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1. Extreme drought impacts have been underestimated in grasslands and shrublands globally

Author

Smith, M.D., Wilkins, K.D., Holdrege, M.C., Wilfahrt, P., Collins, S.L., Knapp, A.K., Sala, O.E., Dukes, J.S., Phillips, R.P., Yahdjian, L., Gherardi, L.A., Ohlert, T., Beier, C., Fraser, L.H., Jentsch, A., Loik, M.E., Maestre, F.T., Power, S.A., Yu, Q., Felton, A.J., Munson, S.M., Luo, Y., Abdoli, H., Abedi, M., Alados, C.L., Alberti, J., Alon, M., An, H., Anacker, B., Anderson, M., Auge, Harald, Bachle, S., Bahalkeh, K., Bahn, M., Batbaatar, A., Bauerle, T., Beard, K.H., Behn, K., Beil, I., Biancari, L., Blindow, I., Bondaruk, V.F., Borer, E.T., Bork, E.W., Bruschetti, C.M., Byrne, K.M., Cahill jr., J.F., Calvo, D.A., Carbognani, M., Cardoni, A., Carlyle, C.N., Castillo-Garcia, M., Chang, S.X., Chieppa, J., Cianciaruso, M.V., Cohen, O., Cordeiro, A.L., Cusack, D.F., Dahlke, S., Daleo, P., D'Antonio, C.M., Dietterich, L.H., Doherty, T.S., Dubbert, M., Ebeling, A., Eisenhauer, N., Fischer, F.M., Forte, T.G.W., Gebauer, T., Gozalo, B., Greenville, A.C., Guidoni-Martins, K.G., Hannusch, H.J., Haugum, S.V., Hautier, Y., Hefting, M., Henry, H.A.L., Hoss, D., Ingrisch, J., Iribarne, O., Isbell, F., Johnson, Y., Jordan, S., Kelly, E.F., Kimmel, K., Kreyling, J., Kröel-Dulay, G., Kröpfl, A., Kübert, A., Kulmatiski, A., Lamb, E.G., Steenberg Larsen, K., Larson, J., Lawson, J., Leder, C.V., Linstädter, A., Liu, J., Liu, S., Lodge, A., Longo, G., Smith, M.D., Wilkins, K.D., Holdrege, M.C., Wilfahrt, P., Collins, S.L., Knapp, A.K., Sala, O.E., Dukes, J.S., Phillips, R.P., Yahdjian, L., Gherardi, L.A., Ohlert, T., Beier, C., Fraser, L.H., Jentsch, A., Loik, M.E., Maestre, F.T., Power, S.A., Yu, Q., Felton, A.J., Munson, S.M., Luo, Y., Abdoli, H., Abedi, M., Alados, C.L., Alberti, J., Alon, M., An, H., Anacker, B., Anderson, M., Auge, Harald, Bachle, S., Bahalkeh, K., Bahn, M., Batbaatar, A., Bauerle, T., Beard, K.H., Behn, K., Beil, I., Biancari, L., Blindow, I., Bondaruk, V.F., Borer, E.T., Bork, E.W., Bruschetti, C.M., Byrne, K.M., Cahill jr., J.F., Calvo, D.A., Carbognani, M., Cardoni, A., Carlyle, C.N., Castillo-Garcia, M., Chang, S.X., Chieppa, J., Cianciaruso, M.V., Cohen, O., Cordeiro, A.L., Cusack, D.F., Dahlke, S., Daleo, P., D'Antonio, C.M., Dietterich, L.H., Doherty, T.S., Dubbert, M., Ebeling, A., Eisenhauer, N., Fischer, F.M., Forte, T.G.W., Gebauer, T., Gozalo, B., Greenville, A.C., Guidoni-Martins, K.G., Hannusch, H.J., Haugum, S.V., Hautier, Y., Hefting, M., Henry, H.A.L., Hoss, D., Ingrisch, J., Iribarne, O., Isbell, F., Johnson, Y., Jordan, S., Kelly, E.F., Kimmel, K., Kreyling, J., Kröel-Dulay, G., Kröpfl, A., Kübert, A., Kulmatiski, A., Lamb, E.G., Steenberg Larsen, K., Larson, J., Lawson, J., Leder, C.V., Linstädter, A., Liu, J., Liu, S., Lodge, A., and Longo, G.

Abstract

Climate change is increasing the frequency and severity of short-term (~1 y) drought events—the most common duration of drought—globally. Yet the impact of this intensification of drought on ecosystem functioning remains poorly resolved. This is due in part to the widely disparate approaches ecologists have employed to study drought, variation in the severity and duration of drought studied, and differences among ecosystems in vegetation, edaphic and climatic attributes that can mediate drought impacts. To overcome these problems and better identify the factors that modulate drought responses, we used a coordinated distributed experiment to quantify the impact of short-term drought on grassland and shrubland ecosystems. With a standardized approach, we imposed ~a single year of drought at 100 sites on six continents. Here we show that loss of a foundational ecosystem function—aboveground net primary production (ANPP)—was 60% greater at sites that experienced statistically extreme drought (1-in-100-y event) vs. those sites where drought was nominal (historically more common) in magnitude (35% vs. 21%, respectively). This reduction in a key carbon cycle process with a single year of extreme drought greatly exceeds previously reported losses for grasslands and shrublands. Our global experiment also revealed high variability in drought response but that relative reductions in ANPP were greater in drier ecosystems and those with fewer plant species. Overall, our results demonstrate with unprecedented rigor that the global impacts of projected increases in drought severity have been significantly underestimated and that drier and less diverse sites are likely to be most vulnerable to extreme drought.

Published
2024

2. Reading tea leaves worldwide: Decoupled drivers of initial litter decomposition mass‐loss rate and stabilization

Author

Sarneel, J., Hefting, M., Sandén, T., van den Hoogen, J., Routh, D., Adhikari, B., Alatalo, J., Aleksanyan, A., Althuizen, I., Alsafran, M., Atkins, J., Augusto, L., Aurela, M., Azarov, A., Barrio, I., Beier, C., Bejarano, M., Benham, S., Berg, B., Bezler, N., Björnsdóttir, K., Bolinder, M., Carbognani, M., Cazzolla Gatti, R., Chelli, S., Chistotin, M., Christiansen, C., Courtois, P., Crowther, T., Dechoum, M., Djukic, I., Duddigan, S., Egerton‐Warburton, L., Fanin, N., Fantappiè, M., Fares, S., Fernandes, G., Filippova, N., Fliessbach, A., Fuentes, D., Godoy, R., Grünwald, T., Guzmán, G., Hawes, J., He, Y., Hero, J.‐M., Hess, L., Hogendoorn, K., Høye, T., Jans, W., Jónsdóttir, I., Keller, S., Kepfer‐Rojas, S., Kuz'menko, N., Larsen, K., Laudon, H., Lembrechts, J., Li, J., Limousin, J.‐M., Lukin, S., Marques, R., Marín, C., McDaniel, M., Meek, Q., Merzlaya, G., Michelsen, A., Montagnani, L., Mueller, P., Murugan, R., Myers‐Smith, I., Nolte, S., Ochoa‐Hueso, R., Okafor, B., Okorkov, V., Onipchenko, V., Orozco, M., Parkhurst, T., Peres, C., Petit Bon, M., Petraglia, A., Pingel, M., Rebmann, C., Scheffers, B., Schmidt, I., Scholes, M., Sheffer, E., Shevtsova, L., Smith, S., Sofo, A., Stevenson, P., Strouhalová, B., Sundsdal, A., Sühs, R., Tamene, G., Thomas, H., Tolunay, D., Tomaselli, M., Tresch, S., Tucker, D., Ulyshen, M., Valdecantos, A., Vandvik, V., Vanguelova, E., Verheyen, K., Wang, X., Yahdjian, L., Yumashev, X., Keuskamp, J., Sarneel, J., Hefting, M., Sandén, T., van den Hoogen, J., Routh, D., Adhikari, B., Alatalo, J., Aleksanyan, A., Althuizen, I., Alsafran, M., Atkins, J., Augusto, L., Aurela, M., Azarov, A., Barrio, I., Beier, C., Bejarano, M., Benham, S., Berg, B., Bezler, N., Björnsdóttir, K., Bolinder, M., Carbognani, M., Cazzolla Gatti, R., Chelli, S., Chistotin, M., Christiansen, C., Courtois, P., Crowther, T., Dechoum, M., Djukic, I., Duddigan, S., Egerton‐Warburton, L., Fanin, N., Fantappiè, M., Fares, S., Fernandes, G., Filippova, N., Fliessbach, A., Fuentes, D., Godoy, R., Grünwald, T., Guzmán, G., Hawes, J., He, Y., Hero, J.‐M., Hess, L., Hogendoorn, K., Høye, T., Jans, W., Jónsdóttir, I., Keller, S., Kepfer‐Rojas, S., Kuz'menko, N., Larsen, K., Laudon, H., Lembrechts, J., Li, J., Limousin, J.‐M., Lukin, S., Marques, R., Marín, C., McDaniel, M., Meek, Q., Merzlaya, G., Michelsen, A., Montagnani, L., Mueller, P., Murugan, R., Myers‐Smith, I., Nolte, S., Ochoa‐Hueso, R., Okafor, B., Okorkov, V., Onipchenko, V., Orozco, M., Parkhurst, T., Peres, C., Petit Bon, M., Petraglia, A., Pingel, M., Rebmann, C., Scheffers, B., Schmidt, I., Scholes, M., Sheffer, E., Shevtsova, L., Smith, S., Sofo, A., Stevenson, P., Strouhalová, B., Sundsdal, A., Sühs, R., Tamene, G., Thomas, H., Tolunay, D., Tomaselli, M., Tresch, S., Tucker, D., Ulyshen, M., Valdecantos, A., Vandvik, V., Vanguelova, E., Verheyen, K., Wang, X., Yahdjian, L., Yumashev, X., and Keuskamp, J.

Abstract

The breakdown of plant material fuels soil functioning and biodiversity. Currently, process understanding of global decomposition patterns and the drivers of such patterns are hampered by the lack of coherent large-scale datasets. We buried 36,000 individual litterbags (tea bags) worldwide and found an overall negative correlation between initial mass-loss rates and stabilization factors of plant-derived carbon, using the Tea Bag Index (TBI). The stabilization factor quantifies the degree to which easy-to-degrade components accumulate during early-stage decomposition (e.g. by environmental limitations). However, agriculture and an interaction between moisture and temperature led to a decoupling between initial mass-loss rates and stabilization, notably in colder locations. Using TBI improved mass-loss estimates of natural litter compared to models that ignored stabilization. Ignoring the transformation of dead plant material to more recalcitrant substances during early-stage decomposition, and the environmental control of this transformation, could overestimate carbon losses during early decomposition in carbon cycle models.

Published
2024
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5. Drivers of the microbial metabolic quotient across global grasslands

Author

Risch, A. C., primary, Zimmermann, S., additional, Schütz, M., additional, Borer, E. T., additional, Broadbent, A. A. D., additional, Caldeira, M. C., additional, Davies, K. F., additional, Eisenhauer, N., additional, Eskelinen, A., additional, Fay, P. A., additional, Hagedorn, F., additional, Knops, J. M. H., additional, Lembrechts, J. J., additional, MacDougall, A. S., additional, McCulley, R. L., additional, Melbourne, B. A., additional, Moore, J. L., additional, Power, S. A., additional, Seabloom, E. W., additional, Silviera, M. L., additional, Virtanen, R., additional, Yahdjian, L., additional, and Ochoa‐Hueso, R., additional

Published
2023
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6. Drivers of the microbial metabolic quotient across global grasslands

Author

Risch, A.C., Zimmermann, S., Schütz, M., Borer, E.T., Broadbent, A.A.D., Caldeira, M.C., Davies, K.F., Eisenhauer, N., Eskelinen, Anu Maria, Fay, P.A., Hagedorn, F., Knops, J.M.H., Lembrechts, J.J., MacDougall, A.S., McCulley, R.L., Melbourne, B.A., Moore, J.L., Power, S.A., Seabloom, E.W., Silviera, M.L., Virtanen, R., Yahdjian, L., Ochoa-Hueso, R., Risch, A.C., Zimmermann, S., Schütz, M., Borer, E.T., Broadbent, A.A.D., Caldeira, M.C., Davies, K.F., Eisenhauer, N., Eskelinen, Anu Maria, Fay, P.A., Hagedorn, F., Knops, J.M.H., Lembrechts, J.J., MacDougall, A.S., McCulley, R.L., Melbourne, B.A., Moore, J.L., Power, S.A., Seabloom, E.W., Silviera, M.L., Virtanen, R., Yahdjian, L., and Ochoa-Hueso, R.

Abstract

Aim The microbial metabolic quotient (MMQ; mg CO2-C/mg MBC/h), defined as the amount of microbial CO2 respired (MR; mg CO2-C/kg soil/h) per unit of microbial biomass C (MBC; mg C/kg soil), is a key parameter for understanding the microbial regulation of the carbon (C) cycle, including soil C sequestration. Here, we experimentally tested hypotheses about the individual and interactive effects of multiple nutrient addition (nitrogen + phosphorus + potassium + micronutrients) and herbivore exclusion on MR, MBC and MMQ across 23 sites (five continents). Our sites encompassed a wide range of edaphoclimatic conditions; thus, we assessed which edaphoclimatic variables affected MMQ the most and how they interacted with our treatments. Location Australia, Asia, Europe, North/South America. Time period 2015–2016. Major taxa Soil microbes. Methods Soils were collected from plots with established experimental treatments. MR was assessed in a 5-week laboratory incubation without glucose addition, MBC via substrate-induced respiration. MMQ was calculated as MR/MBC and corrected for soil temperatures (MMQsoil). Using linear mixed effects models (LMMs) and structural equation models (SEMs), we analysed how edaphoclimatic characteristics and treatments interactively affected MMQsoil. Results MMQsoil was higher in locations with higher mean annual temperature, lower water holding capacity and lower soil organic C concentration, but did not respond to our treatments across sites as neither MR nor MBC changed. We attributed this relative homeostasis to our treatments to the modulating influence of edaphoclimatic variables. For example, herbivore exclusion, regardless of fertilization, led to greater MMQsoil only at sites with lower soil organic C (< 1.7%). Main conclusions Our results pinpoint the main variables related to MMQsoil across grasslands and emphasize the importance of the local edaphoclimatic conditions in controlling the response of the C cycle to anthropogenic stre

Published
2023

7. Drivers of the microbial metabolic quotient across global grasslands

Author

Risch, A. C. (A. C.), Zimmermann, S. (S.), Schütz, M. (M.), Borer, E. T. (E. T.), Broadbent, A. A. (A. A. D.), Caldeira, M. C. (M. C.), Davies, K. F. (K. F.), Eisenhauer, N. (N.), Eskelinen, A. (A.), Fay, P. A. (P. A.), Hagedorn, F. (F.), Knops, J. M. (J. M. H.), Lembrechts, J. J. (J. J.), MacDougall, A. S. (A. S.), McCulley, R. L. (R. L.), Melbourne, B. A. (B. A.), Moore, J. L. (J. L.), Power, S. A. (S. A.), Seabloom, E. W. (E. W.), Silviera, M. L. (M. L.), Virtanen, R. (R.), Yahdjian, L. (L.), Ochoa-Hueso, R. (R.), Risch, A. C. (A. C.), Zimmermann, S. (S.), Schütz, M. (M.), Borer, E. T. (E. T.), Broadbent, A. A. (A. A. D.), Caldeira, M. C. (M. C.), Davies, K. F. (K. F.), Eisenhauer, N. (N.), Eskelinen, A. (A.), Fay, P. A. (P. A.), Hagedorn, F. (F.), Knops, J. M. (J. M. H.), Lembrechts, J. J. (J. J.), MacDougall, A. S. (A. S.), McCulley, R. L. (R. L.), Melbourne, B. A. (B. A.), Moore, J. L. (J. L.), Power, S. A. (S. A.), Seabloom, E. W. (E. W.), Silviera, M. L. (M. L.), Virtanen, R. (R.), Yahdjian, L. (L.), and Ochoa-Hueso, R. (R.)

Abstract

Aim: The microbial metabolic quotient (MMQ; mg CO₂-C/mg MBC/h), defined as the amount of microbial CO₂ respired (MR; mg CO₂-C/kg soil/h) per unit of microbial biomass C (MBC; mg C/kg soil), is a key parameter for understanding the microbial regulation of the carbon (C) cycle, including soil C sequestration. Here, we experimentally tested hypotheses about the individual and interactive effects of multiple nutrient addition (nitrogen + phosphorus + potassium + micronutrients) and herbivore exclusion on MR, MBC and MMQ across 23 sites (five continents). Our sites encompassed a wide range of edaphoclimatic conditions; thus, we assessed which edaphoclimatic variables affected MMQ the most and how they interacted with our treatments. Location: Australia, Asia, Europe, North/South America. Time period: 2015–2016. Major taxa: Soil microbes. Methods: Soils were collected from plots with established experimental treatments. MR was assessed in a 5-week laboratory incubation without glucose addition, MBC via substrate-induced respiration. MMQ was calculated as MR/MBC and corrected for soil temperatures (MMQsoil). Using linear mixed effects models (LMMs) and structural equation models (SEMs), we analysed how edaphoclimatic characteristics and treatments interactively affected MMQsoil. Results: MMQsoil was higher in locations with higher mean annual temperature, lower water holding capacity and lower soil organic C concentration, but did not respond to our treatments across sites as neither MR nor MBC changed. We attributed this relative homeostasis to our treatments to the modulating influence of edaphoclimatic variables. For example, herbivore exclusion, regardless of fertilization, led to greater MMQsoil only at sites with lower soil organic C (< 1.7%). Main conclusions: Our results pinpoint the main variables related to MMQsoil across grasslands and emphasize the importance of the local edaphoclimatic conditions in controlling the response of the C cycle to anthro

Published
2023

8. The positive effect of plant diversity on soil carbon depends on climate

Author

Spohn, M., Bagchi, S., Biederman, L.A., Borer, E.T., Bråthen, K.A., Bugalho, M.N., Caldeira, M.C., Catford, J.A., Collins, S.L., Eisenhauer, N., Hagenah, N., Haider, S., Hautier, Y., Knops, J.M.H., Koerner, S.E., Laanisto, L., Lekberg, Y., Martina, J.P., Martinson, H., McCulley, R.L., Peri, P.L., Macek, P., Power, S.A., Risch, A.C., Roscher, Christiane, Seabloom, E.W., Stevens, C., Veen, G.F.C., Virtanen, R., Yahdjian, L., Spohn, M., Bagchi, S., Biederman, L.A., Borer, E.T., Bråthen, K.A., Bugalho, M.N., Caldeira, M.C., Catford, J.A., Collins, S.L., Eisenhauer, N., Hagenah, N., Haider, S., Hautier, Y., Knops, J.M.H., Koerner, S.E., Laanisto, L., Lekberg, Y., Martina, J.P., Martinson, H., McCulley, R.L., Peri, P.L., Macek, P., Power, S.A., Risch, A.C., Roscher, Christiane, Seabloom, E.W., Stevens, C., Veen, G.F.C., Virtanen, R., and Yahdjian, L.

Abstract

Little is currently known about how climate modulates the relationship between plant diversity and soil organic carbon and the mechanisms involved. Yet, this knowledge is of crucial importance in times of climate change and biodiversity loss. Here, we show that plant diversity is positively correlated with soil carbon content and soil carbon-to-nitrogen ratio across 84 grasslands on six continents that span wide climate gradients. The relationships between plant diversity and soil carbon as well as plant diversity and soil organic matter quality (carbon-to-nitrogen ratio) are particularly strong in warm and arid climates. While plant biomass is positively correlated with soil carbon, plant biomass is not significantly correlated with plant diversity. Our results indicate that plant diversity influences soil carbon storage not via the quantity of organic matter (plant biomass) inputs to soil, but through the quality of organic matter. The study implies that ecosystem management that restores plant diversity likely enhances soil carbon sequestration, particularly in warm and arid climates.

Published
2023

9. Soil net nitrogen mineralisation across global grasslands

Author

Risch, A. C., Zimmermann, S., Ochoa-Hueso, R., Schütz, M., Frey, B., Firn, J. L., Fay, P. A., Hagedorn, F., Borer, E. T., Seabloom, E. W., Harpole, W. S., Knops, J. M. H., McCulley, R. L., Broadbent, A. A. D., Stevens, C. J., Silveira, M. L., Adler, P. B., Báez, S., Biederman, L. A., Blair, J. M., Brown, C. S., Caldeira, M. C., Collins, S. L., Daleo, P., di Virgilio, A., Ebeling, A., Eisenhauer, N., Esch, E., Eskelinen, A., Hagenah, N., Hautier, Y., Kirkman, K. P., MacDougall, A. S., Moore, J. L., Power, S. A., Prober, S. M., Roscher, C., Sankaran, M., Siebert, J., Speziale, K. L., Tognetti, P. M., Virtanen, R., Yahdjian, L., and Moser, B.

Published
2019
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10. Evolutionary history of grazing and resources determine herbivore exclusion effects on plant diversity

Author

Price, J., Sitters, J., Ohlert, Timothy, Tognetti, P.M., Brown, C, Seabloom, Eric W., Borer, Elizabeth, Prober, S., Bakker, L., MacDougall, Andrew S., Yahdjian, L., Gruner, Daniel S., Olde Venterink, Harry, Barrio, Isabel C., Graff, P., Bagchi, Sumanta, Arnillas, C.A., Bakker, J.D., Blumenthal, Dana M., Boughton, Elizabeth H., Brudvig, Lars A., Bugalho, Miguel N., Cadotte, Marc, Caldeira, M.C., Dickman, C. R., Donohue, Ian, Gregory, S., Hautier, Y., Jónsdóttir, Ingibjörg S., Lannes, L.S., Mcculley, Rebecca, Power, S.A., Risch, A., Schütz, Martin, Standish, Rachel J., Stevens, Carly, Veen, G.F., Virtanen, Risto, Wardle, Glenda M., Price, J., Sitters, J., Ohlert, Timothy, Tognetti, P.M., Brown, C, Seabloom, Eric W., Borer, Elizabeth, Prober, S., Bakker, L., MacDougall, Andrew S., Yahdjian, L., Gruner, Daniel S., Olde Venterink, Harry, Barrio, Isabel C., Graff, P., Bagchi, Sumanta, Arnillas, C.A., Bakker, J.D., Blumenthal, Dana M., Boughton, Elizabeth H., Brudvig, Lars A., Bugalho, Miguel N., Cadotte, Marc, Caldeira, M.C., Dickman, C. R., Donohue, Ian, Gregory, S., Hautier, Y., Jónsdóttir, Ingibjörg S., Lannes, L.S., Mcculley, Rebecca, Power, S.A., Risch, A., Schütz, Martin, Standish, Rachel J., Stevens, Carly, Veen, G.F., Virtanen, Risto, and Wardle, Glenda M.

Published
2022

11. Nutrient identity modifies the destabilising effects of eutrophication in grasslands

Author

Carroll, O., Batzer, E., Bharath, S., Borer, E.T., Campana, S., Esch, E., Hautier, Y., Ohlert, T., Seabloom, E.W., Adler, P.B., Bakker, J.D., Biederman, L., Bugalho, M.N., Caldeira, M., Chen, Q., Davies, K.F., Fay, P.A., Knops, J.M.H., Komatsu, K., Martina, J.P., McCann, K.S., Moore, J.L., Morgan, J.W., Muraina, T.O., Osborne, B., Risch, A.C., Stevens, C., Wilfahrt, P.A., Yahdjian, L., MacDougall, A.S., Carroll, O., Batzer, E., Bharath, S., Borer, E.T., Campana, S., Esch, E., Hautier, Y., Ohlert, T., Seabloom, E.W., Adler, P.B., Bakker, J.D., Biederman, L., Bugalho, M.N., Caldeira, M., Chen, Q., Davies, K.F., Fay, P.A., Knops, J.M.H., Komatsu, K., Martina, J.P., McCann, K.S., Moore, J.L., Morgan, J.W., Muraina, T.O., Osborne, B., Risch, A.C., Stevens, C., Wilfahrt, P.A., Yahdjian, L., and MacDougall, A.S.

Abstract

Nutrient enrichment can simultaneously increase and destabilise plant biomass production, with co-limitation by multiple nutrients potentially intensifying these effects. Here, we test how factorial additions of nitrogen (N), phosphorus (P) and potassium with essential nutrients (K+) affect the stability (mean/standard deviation) of aboveground biomass in 34 grasslands over 7 years. Destabilisation with fertilisation was prevalent but was driven by single nutrients, not synergistic nutrient interactions. On average, N-based treatments increased mean biomass production by 21–51% but increased its standard deviation by 40–68% and so consistently reduced stability. Adding P increased interannual variability and reduced stability without altering mean biomass, while K+ had no general effects. Declines in stability were largest in the most nutrient-limited grasslands, or where nutrients reduced species richness or intensified species synchrony. We show that nutrients can differentially impact the stability of biomass production, with N and P in particular disproportionately increasing its interannual variability.

Published
2022

12. Evolutionary history of grazing and resources determine herbivore exclusion effects on plant diversity

Author

Price, J.N., Sitters, J., Ohlert, T., Tognetti, P.M., Brown, C.S., Seabloom, E.W., Borer, E.T., Prober, S.M., Bakker, E.S., MacDougall, A.S., Yahdjian, L., Gruner, D.S., Olde Venterink, H., Barrio, I.C., Graff, P., Bagchi, S., Arnillas, C.A., Bakker, J.D., Blumenthal, D.M., Boughton, E.H., Brudvig, L.A., Bugalho, M.N., Cadotte, M.W., Caldeira, M.C., Dickman, C.R., Donohue, I., Gregory, S., Hautier, Y., Jónsdóttir, I.S., Lannes, L.S., McCulley, R.L., Moore, J.L., Power, S.A., Risch, A.C., Schutz, M., Standish, R., Stevens, C.J., Veen, G.F., Virtanen, R., Wardle, G.M., Price, J.N., Sitters, J., Ohlert, T., Tognetti, P.M., Brown, C.S., Seabloom, E.W., Borer, E.T., Prober, S.M., Bakker, E.S., MacDougall, A.S., Yahdjian, L., Gruner, D.S., Olde Venterink, H., Barrio, I.C., Graff, P., Bagchi, S., Arnillas, C.A., Bakker, J.D., Blumenthal, D.M., Boughton, E.H., Brudvig, L.A., Bugalho, M.N., Cadotte, M.W., Caldeira, M.C., Dickman, C.R., Donohue, I., Gregory, S., Hautier, Y., Jónsdóttir, I.S., Lannes, L.S., McCulley, R.L., Moore, J.L., Power, S.A., Risch, A.C., Schutz, M., Standish, R., Stevens, C.J., Veen, G.F., Virtanen, R., and Wardle, G.M.

Abstract

Ecological models predict that the effects of mammalian herbivore exclusion on plant diversity depend on resource availability and plant exposure to ungulate grazing over evolutionary time. Using an experiment replicated in 57 grasslands on six continents, with contrasting evolutionary history of grazing, we tested how resources (mean annual precipitation and soil nutrients) determine herbivore exclusion effects on plant diversity, richness and evenness. Here we show that at sites with a long history of ungulate grazing, herbivore exclusion reduced plant diversity by reducing both richness and evenness and the responses of richness and diversity to herbivore exclusion decreased with mean annual precipitation. At sites with a short history of grazing, the effects of herbivore exclusion were not related to precipitation but differed for native and exotic plant richness. Thus, plant species’ evolutionary history of grazing continues to shape the response of the world’s grasslands to changing mammalian herbivory.

Published
2022

13. Evolutionary history of grazing and resources determine herbivore exclusion effects on plant diversity

Author

Price, J. N. (Jodi N.), Sitters, J. (Judith), Ohlert, T. (Timothy), Tognetti, P. M. (Pedro M.), Brown, C. S. (Cynthia S.), Seabloom, E. W. (Eric W.), Borer, E. T. (Elizabeth T.), Prober, S. M. (Suzanne M.), Bakker, E. S. (Elisabeth S.), MacDougall, A. S. (Andrew S.), Yahdjian, L. (Laura), Gruner, D. S. (Daniel S.), Olde Venterink, H. (Harry), Barrio, I. C. (Isabel C.), Graff, P. (Pamela), Bagchi, S. (Sumanta), Arnillas, C. A. (Carlos Alberto), Bakker, J. D. (Jonathan D.), Blumenthal, D. M. (Dana M.), Boughton, E. H. (Elizabeth H.), Brudvig, L. A. (Lars A.), Bugalho, M. N. (Miguel N.), Cadotte, M. W. (Marc W.), Caldeira, M. C. (Maria C.), Dickman, C. R. (Chris R.), Donohue, I. (Ian), Grégory, S. (Sonnier), Hautier, Y. (Yann), Jónsdóttir, I. S. (Ingibjörg S.), Lannes, L. S. (Luciola S.), McCulley, R. L. (Rebecca L.), Moore, J. L. (Joslin L.), Power, S. A. (Sally A.), Risch, A. C. (Anita C.), Schütz, M. (Martin), Standish, R. (Rachel), Stevens, C. J. (Carly J.), Veen, G. F. (G. F.), Virtanen, R. (Risto), Wardle, G. M. (Glenda M.), Price, J. N. (Jodi N.), Sitters, J. (Judith), Ohlert, T. (Timothy), Tognetti, P. M. (Pedro M.), Brown, C. S. (Cynthia S.), Seabloom, E. W. (Eric W.), Borer, E. T. (Elizabeth T.), Prober, S. M. (Suzanne M.), Bakker, E. S. (Elisabeth S.), MacDougall, A. S. (Andrew S.), Yahdjian, L. (Laura), Gruner, D. S. (Daniel S.), Olde Venterink, H. (Harry), Barrio, I. C. (Isabel C.), Graff, P. (Pamela), Bagchi, S. (Sumanta), Arnillas, C. A. (Carlos Alberto), Bakker, J. D. (Jonathan D.), Blumenthal, D. M. (Dana M.), Boughton, E. H. (Elizabeth H.), Brudvig, L. A. (Lars A.), Bugalho, M. N. (Miguel N.), Cadotte, M. W. (Marc W.), Caldeira, M. C. (Maria C.), Dickman, C. R. (Chris R.), Donohue, I. (Ian), Grégory, S. (Sonnier), Hautier, Y. (Yann), Jónsdóttir, I. S. (Ingibjörg S.), Lannes, L. S. (Luciola S.), McCulley, R. L. (Rebecca L.), Moore, J. L. (Joslin L.), Power, S. A. (Sally A.), Risch, A. C. (Anita C.), Schütz, M. (Martin), Standish, R. (Rachel), Stevens, C. J. (Carly J.), Veen, G. F. (G. F.), Virtanen, R. (Risto), and Wardle, G. M. (Glenda M.)

Abstract

Ecological models predict that the effects of mammalian herbivore exclusion on plant diversity depend on resource availability and plant exposure to ungulate grazing over evolutionary time. Using an experiment replicated in 57 grasslands on six continents, with contrasting evolutionary history of grazing, we tested how resources (mean annual precipitation and soil nutrients) determine herbivore exclusion effects on plant diversity, richness and evenness. Here we show that at sites with a long history of ungulate grazing, herbivore exclusion reduced plant diversity by reducing both richness and evenness and the responses of richness and diversity to herbivore exclusion decreased with mean annual precipitation. At sites with a short history of grazing, the effects of herbivore exclusion were not related to precipitation but differed for native and exotic plant richness. Thus, plant species’ evolutionary history of grazing continues to shape the response of the world’s grasslands to changing mammalian herbivory.

Published
2022

14. Long-term N-addition alters the community structure of functionally important N-cycling soil microorganisms across global grasslands

Author

Frey, B. (Beat), Moser, B. (Barbara), Tytgat, B. (Bjorn), Zimmermann, S. (Stephan), Alberti, J. (Juan), Biederman, L. A. (Lori A.), Borer, E. T. (Elizabeth T.), Broadbent, A. A. (Arthur A. D.), Caldeira, M. C. (Maria C.), Davies, K. F. (Kendi F.), Eisenhauer, N. (Nico), Eskelinen, A. (Anu), Fay, P. A. (Philip A.), Hagedorn, F. (Frank), Hautier, Y. (Yann), MacDougall, A. S. (Andrew S.), McCulley, R. L. (Rebecca L.), Moore, J. L. (Joslin L.), Nepel, M. (Maximilian), Power, S. A. (Sally A.), Seabloom, E. W. (Eric W.), Vázquez, E. (Eduardo), Virtanen, R. (Risto), Yahdjian, L. (Laura), Risch, A. C. (Anita C.), Frey, B. (Beat), Moser, B. (Barbara), Tytgat, B. (Bjorn), Zimmermann, S. (Stephan), Alberti, J. (Juan), Biederman, L. A. (Lori A.), Borer, E. T. (Elizabeth T.), Broadbent, A. A. (Arthur A. D.), Caldeira, M. C. (Maria C.), Davies, K. F. (Kendi F.), Eisenhauer, N. (Nico), Eskelinen, A. (Anu), Fay, P. A. (Philip A.), Hagedorn, F. (Frank), Hautier, Y. (Yann), MacDougall, A. S. (Andrew S.), McCulley, R. L. (Rebecca L.), Moore, J. L. (Joslin L.), Nepel, M. (Maximilian), Power, S. A. (Sally A.), Seabloom, E. W. (Eric W.), Vázquez, E. (Eduardo), Virtanen, R. (Risto), Yahdjian, L. (Laura), and Risch, A. C. (Anita C.)

Abstract

Anthropogenic nitrogen (N) input is known to alter the soil microbiome, but how N enrichment influences the abundance, alpha-diversity and community structure of N-cycling functional microbial communities in grasslands remains poorly understood. Here, we collected soils from plant communities subjected to up to 9 years of annual N-addition (10 g N m⁻² per year using urea as a N-source) and from unfertilized plots (control) in 30 grasslands worldwide spanning a large range of climatic and soil conditions. We focused on three key microbial groups responsible for two essential processes of the global N cycle: N₂ fixation (soil diazotrophs) and nitrification (AOA: ammonia-oxidizing archaea and AOB: ammonia-oxidizing bacteria). We targeted soil diazotrophs, AOA and AOB using Illumina MiSeq sequencing and measured the abundance (gene copy numbers) using quantitative PCR. N-addition shifted the structure of the diazotrophic communities, although their alpha-diversity and abundance were not affected. AOA and AOB responded differently to N-addition. The abundance and alpha-diversity of AOB increased, and their community structure shifted with N-addition. In contrast, AOA were not affected by N-addition. AOA abundance outnumbered AOB in control plots under conditions of low N availability, whereas N-addition favoured copiotrophic AOB. Overall, N-addition showed a low impact on soil diazotrophs and AOA while effects for AOB communities were considerable. These results reveal that long-term N-addition has important ecological implications for key microbial groups involved in two critical soil N-cycling processes. Increased AOB abundance and community shifts following N-addition may change soil N-cycling, as larger population sizes may promote higher rates of ammonia oxidation and subsequently increase N loss via gaseous and soil N-leaching. These findings bring us a step closer to predicting the responses and feedbacks of microbial-mediated N-cycling processes to long

Published
2022

15. Long-term N-addition alters the community structure of functionally important N-cycling soil microorganisms across global grasslands

Author

Frey, B., Moser, B., Tytgat, B., Zimmermann, S., Alberti, J., Biederman, L.A., Borer, E.T., Broadbent, A.A.D., Caldeira, M.C., Davies, K.F., Eisenhauer, N., Eskelinen, Anu Maria, Fay, P.A., Hagedorn, F., Hautier, Y., MacDougall, A.S., McCulley, R.L., Moore, J.L., Nepel, M., Power, S.A., Seabloom, E.W., Vázquez, E., Virtanen, R., Yahdjian, L., Risch, A.C., Frey, B., Moser, B., Tytgat, B., Zimmermann, S., Alberti, J., Biederman, L.A., Borer, E.T., Broadbent, A.A.D., Caldeira, M.C., Davies, K.F., Eisenhauer, N., Eskelinen, Anu Maria, Fay, P.A., Hagedorn, F., Hautier, Y., MacDougall, A.S., McCulley, R.L., Moore, J.L., Nepel, M., Power, S.A., Seabloom, E.W., Vázquez, E., Virtanen, R., Yahdjian, L., and Risch, A.C.

Abstract

Anthropogenic nitrogen (N) input is known to alter the soil microbiome, but how N enrichment influences the abundance, alpha-diversity and community structure of N-cycling functional microbial communities in grasslands remains poorly understood. Here, we collected soils from plant communities subjected to up to 9 years of annual N-addition (10 g N m−2 per year using urea as a N-source) and from unfertilized plots (control) in 30 grasslands worldwide spanning a large range of climatic and soil conditions. We focused on three key microbial groups responsible for two essential processes of the global N cycle: N2 fixation (soil diazotrophs) and nitrification (AOA: ammonia-oxidizing archaea and AOB: ammonia-oxidizing bacteria). We targeted soil diazotrophs, AOA and AOB using Illumina MiSeq sequencing and measured the abundance (gene copy numbers) using quantitative PCR. N-addition shifted the structure of the diazotrophic communities, although their alpha-diversity and abundance were not affected. AOA and AOB responded differently to N-addition. The abundance and alpha-diversity of AOB increased, and their community structure shifted with N-addition. In contrast, AOA were not affected by N-addition. AOA abundance outnumbered AOB in control plots under conditions of low N availability, whereas N-addition favoured copiotrophic AOB. Overall, N-addition showed a low impact on soil diazotrophs and AOA while effects for AOB communities were considerable. These results reveal that long-term N-addition has important ecological implications for key microbial groups involved in two critical soil N-cycling processes. Increased AOB abundance and community shifts following N-addition may change soil N-cycling, as larger population sizes may promote higher rates of ammonia oxidation and subsequently increase N loss via gaseous and soil N-leaching. These findings bring us a step closer to predicting the responses and feedbacks of microbial-mediated N-cycling processes

Published
2022

17. Negative effects of nitrogen override positive effects of phosphorus on grassland legumes worldwide

Author

Tognetti, P.M., Prober, S.M., Báez, S., Chaneton, E.J., Firn, J., Risch, A.C., Schuetz, M., Simonsen, A.K., Yahdjian, L., Borer, E.T., Seabloom, E.W., Arnillas, C.A., Bakker, J.D., Brown, C.S., Cadotte, M.W., Caldeira, M.C., Daleo, P., Dwyer, J.M., Fay, P.A., Gherardi, L.A., Hagenah, N., Hautier, Y., Komatsu, K.J., McCulley, R.L., Price, J.N., Standish, R.J., Stevens, C.J., Wragg, P.D., Sankaran, M., Tognetti, P.M., Prober, S.M., Báez, S., Chaneton, E.J., Firn, J., Risch, A.C., Schuetz, M., Simonsen, A.K., Yahdjian, L., Borer, E.T., Seabloom, E.W., Arnillas, C.A., Bakker, J.D., Brown, C.S., Cadotte, M.W., Caldeira, M.C., Daleo, P., Dwyer, J.M., Fay, P.A., Gherardi, L.A., Hagenah, N., Hautier, Y., Komatsu, K.J., McCulley, R.L., Price, J.N., Standish, R.J., Stevens, C.J., Wragg, P.D., and Sankaran, M.

Abstract

Anthropogenic nutrient enrichment is driving global biodiversity decline and modifying ecosystem functions. Theory suggests that plant functional types that fix atmospheric nitrogen have a competitive advantage in nitrogen-poor soils, but lose this advantage with increasing nitrogen supply. By contrast, the addition of phosphorus, potassium, and other nutrients may benefit such species in low-nutrient environments by enhancing their nitrogen-fixing capacity. We present a global-scale experiment confirming these predictions for nitrogen-fixing legumes (Fabaceae) across 45 grasslands on six continents. Nitrogen addition reduced legume cover, richness, and biomass, particularly in nitrogen-poor soils, while cover of non–nitrogen-fixing plants increased. The addition of phosphorous, potassium, and other nutrients enhanced legume abundance, but did not mitigate the negative effects of nitrogen addition. Increasing nitrogen supply thus has the potential to decrease the diversity and abundance of grassland legumes worldwide regardless of the availability of other nutrients, with consequences for biodiversity, food webs, ecosystem resilience, and genetic improvement of protein-rich agricultural plant species.

Published
2021

18. Effects of climate and atmospheric nitrogen deposition on early to mid-term stage litter decomposition across biomes

Author

Kwon, T., Shibata, H., Kepfer-Rojas, S., Schmidt, I. K., Larsen, K. S., Beier, C., Berg, B., Verheyen, K., Lamarque, J. F., Hagedorn, F., Eisenhauer, N., Djukic, I., Caliman, A., Paquette, A., Gutiérrez-Girón, A., Petraglia, A., Augustaitis, A., Saillard, A., Ruiz-Fernández, A. C., Sousa, A. I., Lillebø, A. I., Da Rocha Gripp, A., Lamprecht, A., Bohner, A., Francez, A. J., Malyshev, A., Andrić, A., Stanisci, A., Zolles, A., Avila, A., Virkkala, A. M., Probst, A., Ouin, A., Khuroo, A. A., Verstraeten, A., Stefanski, A., Gaxiola, A., Muys, B., Gozalo, B., Ahrends, B., Yang, B., Erschbamer, B., Rodríguez Ortíz, C. E., Christiansen, C. T., Meredieu, C., Mony, C., Nock, C., Wang, C. P., Baum, C., Rixen, C., Delire, C., Piscart, C., Andrews, C., Rebmann, C., Branquinho, C., Jan, D., Wundram, D., Vujanović, D., Adair, E. C., Ordóñez-Regil, E., Crawford, E. R., Tropina, E. F., Hornung, E., Groner, E., Lucot, E., Gacia, E., Lévesque, E., Benedito, E., Davydov, E. A., Bolzan, F. P., Maestre, F. T., Maunoury-Danger, F., Kitz, F., Hofhansl, F., Hofhansl, G., De Almeida Lobo, F., Souza, F. L., Zehetner, F., Koffi, F. K., Wohlfahrt, G., Certini, G., Pinha, G. D., Gonzlez, G., Canut, G., Pauli, H., Bahamonde, H. A., Feldhaar, H., Jger, H., Serrano, H. C., Verheyden, H., Bruelheide, H., Meesenburg, H., Jungkunst, H., Jactel, H., Kurokawa, H., Yesilonis, I., Melece, I., Van Halder, I., Quirós, I. G., Fekete, I., Ostonen, I., Borovsk, J., Roales, J., Shoqeir, J. H., Jean-Christophe Lata, J., Probst, J. L., Vijayanathan, J., Dolezal, J., Sanchez-Cabeza, J. A., Merlet, J., Loehr, J., Von Oppen, J., Löffler, J., Benito Alonso, J. L., Cardoso-Mohedano, J. G., Peñuelas, J., Morina, J. C., Quinde, J. D., Jimnez, J. J., Alatalo, J. M., Seeber, J., Kemppinen, J., Stadler, J., Kriiska, K., Van Den Meersche, K., Fukuzawa, K., Szlavecz, K., Juhos, K., Gerhtov, K., Lajtha, K., Jennings, K., Jennings, J., Ecology, P., Hoshizaki, K., Green, K., Steinbauer, K., Pazianoto, L., Dienstbach, L., Yahdjian, L., Williams, L. J., Brigham, L., Hanna, L., Hanna, H., Rustad, L., Morillas, L., Silva Carneiro, L., Di Martino, L., Villar, L., Fernandes Tavares, L. A., Morley, M., Winkler, M., Lebouvier, M., Tomaselli, M., Schaub, M., Glushkova, M., Torres, M. G. A., De Graaff, M. A., Pons, M. N., Bauters, M., Mazn, M., Frenzel, M., Wagner, M., Didion, M., Hamid, M., Lopes, M., Apple, M., Weih, M., Mojses, M., Gualmini, M., Vadeboncoeur, M., Bierbaumer, M., Danger, M., Scherer-Lorenzen, M., Ruek, M., Isabellon, M., Di Musciano, M., Carbognani, M., Zhiyanski, M., Puca, M., Barna, M., Ataka, M., Luoto, M., H. Alsafaran, M., Barsoum, N., Tokuchi, N., Korboulewsky, N., Lecomte, N., Filippova, N., Hlzel, N., Ferlian, O., Romero, O., Pinto-Jr, O., Peri, P., Dan Turtureanu, P., Haase, P., Macreadie, P., Reich, P. B., Petk, P., Choler, P., Marmonier, P., Ponette, Q., Dettogni Guariento, R., Canessa, R., Kiese, R., Hewitt, R., Weigel, R., Kanka, R., Gatti, R. C., Martins, R. L., Ogaya, R., Georges, R., Gaviln, R. G., Wittlinger, S., Puijalon, S., Suzuki, S., Martin, S., Anja, S., Gogo, S., Schueler, S., Drollinger, S., Mereu, S., Wipf, S., Trevathan-Tackett, S., Stoll, S., Lfgren, S., Trogisch, S., Seitz, S., Glatzel, S., Venn, S., Dousset, S., Mori, T., Sato, T., Hishi, T., Nakaji, T., Jean-Paul, T., Camboulive, T., Spiegelberger, T., Scholten, T., Mozdzer, T. J., Kleinebecker, T., Runk, T., Ramaswiela, T., Hiura, T., Enoki, T., Ursu, T. M., Di Cella, U. M., Hamer, U., Klaus, V., Di Cecco, V., Rego, V., Fontana, V., Piscov, V., Bretagnolle, V., Maire, V., Farjalla, V., Pascal, V., Zhou, W., Luo, W., Parker, W., Parker, P., Kominam, Y., Kotrocz, Z., Utsumi, Y., Kwon, T., Shibata, H., Kepfer-Rojas, S., Schmidt, I. K., Larsen, K. S., Beier, C., Berg, B., Verheyen, K., Lamarque, J. F., Hagedorn, F., Eisenhauer, N., Djukic, I., Caliman, A., Paquette, A., Gutiérrez-Girón, A., Petraglia, A., Augustaitis, A., Saillard, A., Ruiz-Fernández, A. C., Sousa, A. I., Lillebø, A. I., Da Rocha Gripp, A., Lamprecht, A., Bohner, A., Francez, A. J., Malyshev, A., Andrić, A., Stanisci, A., Zolles, A., Avila, A., Virkkala, A. M., Probst, A., Ouin, A., Khuroo, A. A., Verstraeten, A., Stefanski, A., Gaxiola, A., Muys, B., Gozalo, B., Ahrends, B., Yang, B., Erschbamer, B., Rodríguez Ortíz, C. E., Christiansen, C. T., Meredieu, C., Mony, C., Nock, C., Wang, C. P., Baum, C., Rixen, C., Delire, C., Piscart, C., Andrews, C., Rebmann, C., Branquinho, C., Jan, D., Wundram, D., Vujanović, D., Adair, E. C., Ordóñez-Regil, E., Crawford, E. R., Tropina, E. F., Hornung, E., Groner, E., Lucot, E., Gacia, E., Lévesque, E., Benedito, E., Davydov, E. A., Bolzan, F. P., Maestre, F. T., Maunoury-Danger, F., Kitz, F., Hofhansl, F., Hofhansl, G., De Almeida Lobo, F., Souza, F. L., Zehetner, F., Koffi, F. K., Wohlfahrt, G., Certini, G., Pinha, G. D., Gonzlez, G., Canut, G., Pauli, H., Bahamonde, H. A., Feldhaar, H., Jger, H., Serrano, H. C., Verheyden, H., Bruelheide, H., Meesenburg, H., Jungkunst, H., Jactel, H., Kurokawa, H., Yesilonis, I., Melece, I., Van Halder, I., Quirós, I. G., Fekete, I., Ostonen, I., Borovsk, J., Roales, J., Shoqeir, J. H., Jean-Christophe Lata, J., Probst, J. L., Vijayanathan, J., Dolezal, J., Sanchez-Cabeza, J. A., Merlet, J., Loehr, J., Von Oppen, J., Löffler, J., Benito Alonso, J. L., Cardoso-Mohedano, J. G., Peñuelas, J., Morina, J. C., Quinde, J. D., Jimnez, J. J., Alatalo, J. M., Seeber, J., Kemppinen, J., Stadler, J., Kriiska, K., Van Den Meersche, K., Fukuzawa, K., Szlavecz, K., Juhos, K., Gerhtov, K., Lajtha, K., Jennings, K., Jennings, J., Ecology, P., Hoshizaki, K., Green, K., Steinbauer, K., Pazianoto, L., Dienstbach, L., Yahdjian, L., Williams, L. J., Brigham, L., Hanna, L., Hanna, H., Rustad, L., Morillas, L., Silva Carneiro, L., Di Martino, L., Villar, L., Fernandes Tavares, L. A., Morley, M., Winkler, M., Lebouvier, M., Tomaselli, M., Schaub, M., Glushkova, M., Torres, M. G. A., De Graaff, M. A., Pons, M. N., Bauters, M., Mazn, M., Frenzel, M., Wagner, M., Didion, M., Hamid, M., Lopes, M., Apple, M., Weih, M., Mojses, M., Gualmini, M., Vadeboncoeur, M., Bierbaumer, M., Danger, M., Scherer-Lorenzen, M., Ruek, M., Isabellon, M., Di Musciano, M., Carbognani, M., Zhiyanski, M., Puca, M., Barna, M., Ataka, M., Luoto, M., H. Alsafaran, M., Barsoum, N., Tokuchi, N., Korboulewsky, N., Lecomte, N., Filippova, N., Hlzel, N., Ferlian, O., Romero, O., Pinto-Jr, O., Peri, P., Dan Turtureanu, P., Haase, P., Macreadie, P., Reich, P. B., Petk, P., Choler, P., Marmonier, P., Ponette, Q., Dettogni Guariento, R., Canessa, R., Kiese, R., Hewitt, R., Weigel, R., Kanka, R., Gatti, R. C., Martins, R. L., Ogaya, R., Georges, R., Gaviln, R. G., Wittlinger, S., Puijalon, S., Suzuki, S., Martin, S., Anja, S., Gogo, S., Schueler, S., Drollinger, S., Mereu, S., Wipf, S., Trevathan-Tackett, S., Stoll, S., Lfgren, S., Trogisch, S., Seitz, S., Glatzel, S., Venn, S., Dousset, S., Mori, T., Sato, T., Hishi, T., Nakaji, T., Jean-Paul, T., Camboulive, T., Spiegelberger, T., Scholten, T., Mozdzer, T. J., Kleinebecker, T., Runk, T., Ramaswiela, T., Hiura, T., Enoki, T., Ursu, T. M., Di Cella, U. M., Hamer, U., Klaus, V., Di Cecco, V., Rego, V., Fontana, V., Piscov, V., Bretagnolle, V., Maire, V., Farjalla, V., Pascal, V., Zhou, W., Luo, W., Parker, W., Parker, P., Kominam, Y., Kotrocz, Z., and Utsumi, Y.

Abstract

Litter decomposition is a key process for carbon and nutrient cycling in terrestrial ecosystems and is mainly controlled by environmental conditions, substrate quantity and quality as well as microbial community abundance and composition. In particular, the effects of climate and atmospheric nitrogen (N) deposition on litter decomposition and its temporal dynamics are of significant importance, since their effects might change over the course of the decomposition process. Within the TeaComposition initiative, we incubated Green and Rooibos teas at 524 sites across nine biomes. We assessed how macroclimate and atmospheric inorganic N deposition under current and predicted scenarios (RCP 2.6, RCP 8.5) might affect litter mass loss measured after 3 and 12 months. Our study shows that the early to mid-term mass loss at the global scale was affected predominantly by litter quality (explaining 73% and 62% of the total variance after 3 and 12 months, respectively) followed by climate and N deposition. The effects of climate were not litter-specific and became increasingly significant as decomposition progressed, with MAP explaining 2% and MAT 4% of the variation after 12 months of incubation. The effect of N deposition was litter-specific, and significant only for 12-month decomposition of Rooibos tea at the global scale. However, in the temperate biome where atmospheric N deposition rates are relatively high, the 12-month mass loss of Green and Rooibos teas decreased significantly with increasing N deposition, explaining 9.5% and 1.1% of the variance, respectively. The expected changes in macroclimate and N deposition at the global scale by the end of this century are estimated to increase the 12-month mass loss of easily decomposable litter by 1.1-3.5% and of the more stable substrates by 3.8-10.6%, relative to current mass loss. In contrast, expected changes in atmospheric N deposition will decrease the mid-term mass loss of high-quality litter by 1.4-2.2% and that of l

Published
2021

20. Microbial processing of plant remains is co‐limited by multiple nutrients in global grasslands

Author

Ochoa-Hueso, R. (Raul), Borer, E. T. (Elizabeth T.), Seabloom, E. W. (Eric W.), Hobbie, S. E. (Sarah E.), Risch, A. C. (Anita C.), Collins, S. L. (Scott L.), Alberti, J. (Juan), Bahamonde, H. A. (Hector A.), Brown, C. S. (Cynthia S.), Caldeira, M. C. (Maria C.), Daleo, P. (Pedro), Dickman, C. R. (Chris R.), Ebeling, A. (Anne), Eisenhauer, N. (Nico), Esch, E. H. (Ellen H.), Eskelinen, A. (Anu), Fernandez, V. (Victoria), Gusewell, S. (Sabine), Gutierrez-Larruga, B. (Blanca), Hofmockel, K. (Kirsten), Laungani, R. (Ramesh), Lind, E. (Eric), Lopez, A. (Andrea), McCulley, R. L. (Rebecca L.), Moore, J. L. (Joslin L.), Peri, P. L. (Pablo L.), Power, S. A. (Sally A.), Price, J. N. (Jodi N.), Prober, S. M. (Suzanne M.), Roscher, C. (Christiane), Sarneel, J. M. (Judith M.), Schutz, M. (Martin), Siebert, J. (Julia), Standish, R. J. (Rachel J.), Ayuso, S. V. (Sergio Velasco), Virtanen, R. (Risto), Wardle, G. M. (Glenda M.), Wiehl, G. (Georg), Yahdjian, L. (Laura), and Zamin, T. (Tara)

Subjects
decomposition, eutrophication, fertilization, carbon cycling and sequestration, food and beverages, nutrient (co‐)limitation, microbial activity, NutNet
Abstract

Microbial processing of aggregate‐unprotected organic matter inputs is key for soil fertility, long‐term ecosystem carbon and nutrient sequestration and sustainable agriculture. We investigated the effects of adding multiple nutrients (nitrogen, phosphorus and potassium plus nine essential macro‐ and micro‐nutrients) on decomposition and biochemical transformation of standard plant materials buried in 21 grasslands from four continents. Addition of multiple nutrients weakly but consistently increased decomposition and biochemical transformation of plant remains during the peak‐season, concurrent with changes in microbial exoenzymatic activity. Higher mean annual precipitation and lower mean annual temperature were the main climatic drivers of higher decomposition rates, while biochemical transformation of plant remains was negatively related to temperature of the wettest quarter. Nutrients enhanced decomposition most at cool, high rainfall sites, indicating that in a warmer and drier future fertilized grassland soils will have an even more limited potential for microbial processing of plant remains.

Published
2020

21. Global impacts of fertilization and herbivore removal on soil net nitrogen mineralization are modulated by local climate and soil properties

Author

Risch, Anita C., Zimmermann, S., Moser, B., Schuetz, Martin, Hagedorn, F., Firn, Jennifer, Fay, P.A., Adler, Peter B., Biederman, Lori A., Blair, J.M., Borer, Elizabeth T., Broadbent, Arthur A. D., Brown, C.S., Cadotte, Marc W., Caldeira, Maria, Davies, K.F., di Virgilio, A., Eisenhauer, N., Eskelinen, A., Knops, Johannes M. H., MacDougall, Andrew S., McCulley, Rebecca L., Melbourne, Brett, Moore, J.L., Power, S.A., Prober, Suzanne M., Seabloom, Eric W., Siebert, J., Silveira, Maria, Speziale, K.L., Stevens, Carly, Tognetti, P.M., Virtanen, Risto, Yahdjian, L., Ochoa, H., Risch, Anita C., Zimmermann, S., Moser, B., Schuetz, Martin, Hagedorn, F., Firn, Jennifer, Fay, P.A., Adler, Peter B., Biederman, Lori A., Blair, J.M., Borer, Elizabeth T., Broadbent, Arthur A. D., Brown, C.S., Cadotte, Marc W., Caldeira, Maria, Davies, K.F., di Virgilio, A., Eisenhauer, N., Eskelinen, A., Knops, Johannes M. H., MacDougall, Andrew S., McCulley, Rebecca L., Melbourne, Brett, Moore, J.L., Power, S.A., Prober, Suzanne M., Seabloom, Eric W., Siebert, J., Silveira, Maria, Speziale, K.L., Stevens, Carly, Tognetti, P.M., Virtanen, Risto, Yahdjian, L., and Ochoa, H.

Abstract

Soil nitrogen (N) availability is critical for grassland functioning. However, human activities have increased the supply of biologically limiting nutrients, and changed the density and identity of mammalian herbivores. These anthropogenic changes may alter net soil N mineralization (soil net Nmin), that is, the net balance between N mineralization and immobilization, which could severely impact grassland structure and functioning. Yet, to date, little is known about how fertilization and herbivore removal individually, or jointly, affect soil net Nmin across a wide range of grasslands that vary in soil and climatic properties. Here we collected data from 22 grasslands on five continents, all part of a globally replicated experiment, to assess how fertilization and herbivore removal affected potential (laboratory‐based) and realized (field‐based) soil net Nmin. Herbivore removal in the absence of fertilization did not alter potential and realized soil net Nmin. However, fertilization alone and in combination with herbivore removal consistently increased potential soil net Nmin. Realized soil net Nmin, in contrast, significantly decreased in fertilized plots where herbivores were removed. Treatment effects on potential and realized soil net Nmin were contingent on site‐specific soil and climatic properties. Fertilization effects on potential soil net Nmin were larger at sites with higher mean annual precipitation (MAP) and temperature of the wettest quarter (T.q.wet). Reciprocally, realized soil net Nmin declined most strongly with fertilization and herbivore removal at sites with lower MAP and higher T.q.wet. In summary, our findings show that anthropogenic nutrient enrichment, herbivore exclusion and alterations in future climatic conditions can negatively impact soil net Nmin across global grasslands under realistic field conditions. This is an important context‐dependent knowledge for grassland management worldwide.

Published
2020

22. Microbial processing of plant remains is co‐limited by multiple nutrients in global grasslands

Author

Ochoa‐Hueso, R., Borer, E.T., Seabloom, E.W., Hobbie, S.E., Risch, A.C., Collins, S.L., Alberti, J., Bahamonde, H.A., Brown, C.S., Caldeira, M.C., Daleo, P., Dickman, C.R., Ebeling, A., Eisenhauer, N., Esch, E.H., Eskelinen, A., Fernández, V., Güsewell, S., Gutierrez‐Larruga, B., Hofmockel, K., Laungani, R., Lind, E., López, A., McCulley, R.L., Moore, J.L., Peri, P.L., Power, S.A., Price, J.N., Prober, S.M., Roscher, C., Sarneel, J.M., Schutz, M., Siebert, J., Standish, R.J., Velasco Ayuso, S., Virtanen, R., Wardle, G.M., Wiehl, G., Yahdjian, L., Zamin, T., Ochoa‐Hueso, R., Borer, E.T., Seabloom, E.W., Hobbie, S.E., Risch, A.C., Collins, S.L., Alberti, J., Bahamonde, H.A., Brown, C.S., Caldeira, M.C., Daleo, P., Dickman, C.R., Ebeling, A., Eisenhauer, N., Esch, E.H., Eskelinen, A., Fernández, V., Güsewell, S., Gutierrez‐Larruga, B., Hofmockel, K., Laungani, R., Lind, E., López, A., McCulley, R.L., Moore, J.L., Peri, P.L., Power, S.A., Price, J.N., Prober, S.M., Roscher, C., Sarneel, J.M., Schutz, M., Siebert, J., Standish, R.J., Velasco Ayuso, S., Virtanen, R., Wardle, G.M., Wiehl, G., Yahdjian, L., and Zamin, T.

Abstract

Microbial processing of aggregate‐unprotected organic matter inputs is key for soil fertility, long‐term ecosystem carbon and nutrient sequestration and sustainable agriculture. We investigated the effects of adding multiple nutrients (nitrogen, phosphorus and potassium plus nine essential macro‐ and micro‐nutrients) on decomposition and biochemical transformation of standard plant materials buried in 21 grasslands from four continents. Addition of multiple nutrients weakly but consistently increased decomposition and biochemical transformation of plant remains during the peak‐season, concurrent with changes in microbial exoenzymatic activity. Higher mean annual precipitation and lower mean annual temperature were the main climatic drivers of higher decomposition rates, while biochemical transformation of plant remains was negatively related to temperature of the wettest quarter. Nutrients enhanced decomposition most at cool, high rainfall sites, indicating that in a warmer and drier future fertilized grassland soils will have an even more limited potential for microbial processing of plant remains.

Published
2020

23. Global impacts of fertilization and herbivore removal on soil net nitrogen mineralization are modulated by local climate and soil properties

Author

Risch, A. C. (Anita C.), Zimmermann, S. (Stefan), Moser, B. (Barbara), Schuetz, M. (Martin), Hagedorn, F. (Frank), Firn, J. (Jennifer), Fay, P. A. (Philip A.), Adler, P. B. (Peter B.), Biederman, L. A. (Lori A.), Blair, J. M. (John M.), Borer, E. T. (Elizabeth T.), Broadbent, A. A. (Arthur A. D.), Brown, C. S. (Cynthia S.), Cadotte, M. W. (Marc W.), Caldeira, M. C. (Maria C.), Davies, K. F. (Kendi F.), di Virgilio, A. (Augustina), Eisenhauer, N. (Nico), Eskelinen, A. (Anu), Knops, J. M. (Johannes M. H.), MacDougall, A. S. (Andrew S.), McCulley, R. L. (Rebecca L.), Melbourne, B. A. (Brett A.), Moore, J. L. (Joslin L.), Power, S. A. (Sally A.), Prober, S. M. (Suzanne M.), Seabloom, E. W. (Eric W.), Siebert, J. (Julia), Silveira, M. L. (Maria L.), Speziale, K. L. (Karina L.), Stevens, C. J. (Carly J.), Tognetti, P. M. (Pedro M.), Virtanen, R. (Risto), Yahdjian, L. (Laura), Ochoa-Hueso, R. (Raul), Risch, A. C. (Anita C.), Zimmermann, S. (Stefan), Moser, B. (Barbara), Schuetz, M. (Martin), Hagedorn, F. (Frank), Firn, J. (Jennifer), Fay, P. A. (Philip A.), Adler, P. B. (Peter B.), Biederman, L. A. (Lori A.), Blair, J. M. (John M.), Borer, E. T. (Elizabeth T.), Broadbent, A. A. (Arthur A. D.), Brown, C. S. (Cynthia S.), Cadotte, M. W. (Marc W.), Caldeira, M. C. (Maria C.), Davies, K. F. (Kendi F.), di Virgilio, A. (Augustina), Eisenhauer, N. (Nico), Eskelinen, A. (Anu), Knops, J. M. (Johannes M. H.), MacDougall, A. S. (Andrew S.), McCulley, R. L. (Rebecca L.), Melbourne, B. A. (Brett A.), Moore, J. L. (Joslin L.), Power, S. A. (Sally A.), Prober, S. M. (Suzanne M.), Seabloom, E. W. (Eric W.), Siebert, J. (Julia), Silveira, M. L. (Maria L.), Speziale, K. L. (Karina L.), Stevens, C. J. (Carly J.), Tognetti, P. M. (Pedro M.), Virtanen, R. (Risto), Yahdjian, L. (Laura), and Ochoa-Hueso, R. (Raul)

Abstract

Soil nitrogen (N) availability is critical for grassland functioning. However, human activities have increased the supply of biologically limiting nutrients, and changed the density and identity of mammalian herbivores. These anthropogenic changes may alter net soil N mineralization (soil net Nmin), that is, the net balance between N mineralization and immobilization, which could severely impact grassland structure and functioning. Yet, to date, little is known about how fertilization and herbivore removal individually, or jointly, affect soil net Nmin across a wide range of grasslands that vary in soil and climatic properties. Here we collected data from 22 grasslands on five continents, all part of a globally replicated experiment, to assess how fertilization and herbivore removal affected potential (laboratory‐based) and realized (field‐based) soil net Nmin. Herbivore removal in the absence of fertilization did not alter potential and realized soil net Nmin. However, fertilization alone and in combination with herbivore removal consistently increased potential soil net Nmin. Realized soil net Nmin, in contrast, significantly decreased in fertilized plots where herbivores were removed. Treatment effects on potential and realized soil net Nmin were contingent on site‐specific soil and climatic properties. Fertilization effects on potential soil net Nmin were larger at sites with higher mean annual precipitation (MAP) and temperature of the wettest quarter (T.q.wet). Reciprocally, realized soil net Nmin declined most strongly with fertilization and herbivore removal at sites with lower MAP and higher T.q.wet. In summary, our findings show that anthropogenic nutrient enrichment, herbivore exclusion and alterations in future climatic conditions can negatively impact soil net Nmin across global grasslands under realistic field conditions. This is an important context‐dependent knowledge for grassland management worldwide.

Published
2020

24. Global impacts of fertilization and herbivore removal on soil net nitrogen mineralization are modulated by local climate and soil properties

Author

Risch, A.C., Zimmermann, S., Moser, B., Schütz, M., Hagedorn, F., Firn, J., Fay, P.A., Adler, P.B., Biederman, L.A., Blair, J.M., Borer, E.T., Broadbent, A.A.D., Brown, C.S., Cadotte, M.W., Caldeira, M.C., Davies, K.F., di Virgilio, A., Eisenhauer, N., Eskelinen, Anu Maria, Knops, J.M.H., MacDougall, A.S., McCulley, R.L., Melbourne, B.A., Moore, J.L., Power, S.A., Prober, S.M., Seabloom, E.W., Siebert, J., Silveira, M.L., Speziale, K.L., Stevens, C.J., Tognetti, P.M., Virtanen, R., Yahdjian, L., Ochoa‐Hueso, R., Risch, A.C., Zimmermann, S., Moser, B., Schütz, M., Hagedorn, F., Firn, J., Fay, P.A., Adler, P.B., Biederman, L.A., Blair, J.M., Borer, E.T., Broadbent, A.A.D., Brown, C.S., Cadotte, M.W., Caldeira, M.C., Davies, K.F., di Virgilio, A., Eisenhauer, N., Eskelinen, Anu Maria, Knops, J.M.H., MacDougall, A.S., McCulley, R.L., Melbourne, B.A., Moore, J.L., Power, S.A., Prober, S.M., Seabloom, E.W., Siebert, J., Silveira, M.L., Speziale, K.L., Stevens, C.J., Tognetti, P.M., Virtanen, R., Yahdjian, L., and Ochoa‐Hueso, R.

Abstract

Soil nitrogen (N) availability is critical for grassland functioning. However, human activities have increased the supply of biologically‐limiting nutrients, and changed the density and identity of mammalian herbivores. These anthropogenic changes may alter net soil N mineralization (soil net Nmin), i.e., the net balance between N mineralization and immobilization, which could severely impact grassland structure and functioning. Yet, to date, little is known about how fertilization and herbivore removal individually, or jointly, affect soil net Nmin across a wide range of grasslands that vary in soil and climatic properties. Here, we collected data from 22 grasslands on five continents, all part of a globally replicated experiment, to assess how fertilization and herbivore removal affected potential (laboratory‐based) and realized (field‐based) soil net Nmin. Herbivore removal in the absence of fertilization did not alter potential and realized soil net Nmin. However, fertilization alone and in combination with herbivore removal consistently increased potential soil net Nmin. Realized soil net Nmin, in contrast, significantly decreased in fertilized plots where herbivores were removed. Treatment effects on potential and realized soil net Nmin were contingent on site‐specific soil and climatic properties. Fertilization effects on potential soil net Nmin were larger at sites with higher mean annual precipitation (MAP) and temperature of the wettest quarter (T.q.wet). Reciprocally, realized soil net Nmin declined most strongly with fertilization and herbivore removal at sites with lower MAP and higher T.q.wet. In summary, our findings show that anthropogenic nutrient enrichment, herbivore exclusion, and alterations in future climatic conditions can negatively impact soil net Nmin across global grasslands under realistic field conditions. This is important context‐dependent knowledge for grassland management worldwide.

Published
2020

25. Drivers of N2O Emissions from Natural Forests and Grasslands Differ in Space and Time

Author

Araujo, P. I., primary, Piñeiro-Guerra, J. M., additional, Yahdjian, L., additional, Acreche, M. M., additional, Alvarez, C., additional, Alvarez, C. R., additional, Costantini, A., additional, Chalco Vera, J., additional, De Tellería, J., additional, Della Chiesa, T., additional, Lewczuk, N. A., additional, Petrasek, M., additional, Piccinetti, C., additional, Picone, L., additional, Portela, S. I., additional, Posse, G., additional, Seijo, M., additional, Videla, C., additional, and Piñeiro, G., additional

Published
2020
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26. Soil net nitrogen mineralisation across global grasslands

Author

Risch, A C, Zimmermann, S, Ochoa-Hueso, R, Schütz, M, Frey, B, Firn, J L, Fay, P A, Hagedorn, F, Borer, E T, Seabloom, E W, Harpole, W S, Knops, J M H, McCulley, R L, Broadbent, A A D, Stevens, C J, Silveira, M L, Adler, P B, Báez, S, Biederman, L A, Blair, J M, Brown, C S, Caldeira, M C, Collins, S L, Daleo, P, di Virgilio, A, Ebeling, A, Eisenhauer, N, Esch, E, Eskelinen, A, Hagenah, N, Hautier, Y, Kirkman, K P, MacDougall, A S, Moore, J L, Power, S A, Prober, S M, Roscher, C, Sankaran, M, Siebert, J, Speziale, K L, Tognetti, P M, Virtanen, R, Yahdjian, L, Moser, B, Risch, A C, Zimmermann, S, Ochoa-Hueso, R, Schütz, M, Frey, B, Firn, J L, Fay, P A, Hagedorn, F, Borer, E T, Seabloom, E W, Harpole, W S, Knops, J M H, McCulley, R L, Broadbent, A A D, Stevens, C J, Silveira, M L, Adler, P B, Báez, S, Biederman, L A, Blair, J M, Brown, C S, Caldeira, M C, Collins, S L, Daleo, P, di Virgilio, A, Ebeling, A, Eisenhauer, N, Esch, E, Eskelinen, A, Hagenah, N, Hautier, Y, Kirkman, K P, MacDougall, A S, Moore, J L, Power, S A, Prober, S M, Roscher, C, Sankaran, M, Siebert, J, Speziale, K L, Tognetti, P M, Virtanen, R, Yahdjian, L, and Moser, B

Abstract

Soil nitrogen mineralisation (Nmin), the conversion of organic into inorganic N, is important for productivity and nutrient cycling. The balance between mineralisation and immobilisation (net Nmin) varies with soil properties and climate. However, because most global-scale assessments of net Nmin are laboratory-based, its regulation under field-conditions and implications for real-world soil functioning remain uncertain. Here, we explore the drivers of realised (field) and potential (laboratory) soil net Nmin across 30 grasslands worldwide. We find that realised Nmin is largely explained by temperature of the wettest quarter, microbial biomass, clay content and bulk density. Potential Nmin only weakly correlates with realised Nmin, but contributes to explain realised net Nmin when combined with soil and climatic variables. We provide novel insights of global realised soil net Nmin and show that potential soil net Nmin data available in the literature could be parameterised with soil and climate data to better predict realised Nmin.

Published
2019

27. Soil net nitrogen mineralisation across global grasslands

Author

Risch, A.C., Zimmermann, S., Ochoa-Hueso, R., Schütz, M., Frey, B., Firn, J.L., Fay, P.A., Hagedorn, F., Borer, E.T., Seabloom, E.W., Harpole, W.S., Knops, J.M.H., McCulley, R.L., Broadbent, A.A.D., Stevens, C.J., Silveira, M.L., Adler, P.B., Báez, S., Biederman, L.A., Blair, J.M., Brown, C.S., Caldeira, M.C., Collins, S.L., Daleo, P., di Virgilio, A., Ebeling, A., Eisenhauer, N., Esch, E., Eskelinen, A., Hagenah, N., Hautier, Y., Kirkman, K.P., MacDougall, A.S., Moore, J.L., Power, S.A., Prober, S.M., Roscher, C., Sankaran, M., Siebert, J., Speziale, K.L., Tognetti, P.M., Virtanen, R., Yahdjian, L., Moser, B., Risch, A.C., Zimmermann, S., Ochoa-Hueso, R., Schütz, M., Frey, B., Firn, J.L., Fay, P.A., Hagedorn, F., Borer, E.T., Seabloom, E.W., Harpole, W.S., Knops, J.M.H., McCulley, R.L., Broadbent, A.A.D., Stevens, C.J., Silveira, M.L., Adler, P.B., Báez, S., Biederman, L.A., Blair, J.M., Brown, C.S., Caldeira, M.C., Collins, S.L., Daleo, P., di Virgilio, A., Ebeling, A., Eisenhauer, N., Esch, E., Eskelinen, A., Hagenah, N., Hautier, Y., Kirkman, K.P., MacDougall, A.S., Moore, J.L., Power, S.A., Prober, S.M., Roscher, C., Sankaran, M., Siebert, J., Speziale, K.L., Tognetti, P.M., Virtanen, R., Yahdjian, L., and Moser, B.

Abstract

Soil nitrogen mineralisation (Nmin), the conversion of organic into inorganic N, is important for productivity and nutrient cycling. The balance between mineralisation and immobilisation (net Nmin) varies with soil properties and climate. However, because most global-scale assessments of net Nmin are laboratory-based, its regulation under field-conditions and implications for real-world soil functioning remain uncertain. Here, we explore the drivers of realised (field) and potential (laboratory) soil net Nmin across 30 grasslands worldwide. We find that realised Nmin is largely explained by temperature of the wettest quarter, microbial biomass, clay content and bulk density. Potential Nmin only weakly correlates with realised Nmin, but contributes to explain realised net Nmin when combined with soil and climatic variables. We provide novel insights of global realised soil net Nmin and show that potential soil net Nmin data available in the literature could be parameterised with soil and climate data to better predict realised Nmin.

Published
2019

28. Soil net nitrogen mineralisation across global grasslands

Author

Sub Ecology and Biodiversity, Ecology and Biodiversity, Risch, A C, Zimmermann, S, Ochoa-Hueso, R, Schütz, M, Frey, B, Firn, J L, Fay, P A, Hagedorn, F, Borer, E T, Seabloom, E W, Harpole, W S, Knops, J M H, McCulley, R L, Broadbent, A A D, Stevens, C J, Silveira, M L, Adler, P B, Báez, S, Biederman, L A, Blair, J M, Brown, C S, Caldeira, M C, Collins, S L, Daleo, P, di Virgilio, A, Ebeling, A, Eisenhauer, N, Esch, E, Eskelinen, A, Hagenah, N, Hautier, Y, Kirkman, K P, MacDougall, A S, Moore, J L, Power, S A, Prober, S M, Roscher, C, Sankaran, M, Siebert, J, Speziale, K L, Tognetti, P M, Virtanen, R, Yahdjian, L, Moser, B, Sub Ecology and Biodiversity, Ecology and Biodiversity, Risch, A C, Zimmermann, S, Ochoa-Hueso, R, Schütz, M, Frey, B, Firn, J L, Fay, P A, Hagedorn, F, Borer, E T, Seabloom, E W, Harpole, W S, Knops, J M H, McCulley, R L, Broadbent, A A D, Stevens, C J, Silveira, M L, Adler, P B, Báez, S, Biederman, L A, Blair, J M, Brown, C S, Caldeira, M C, Collins, S L, Daleo, P, di Virgilio, A, Ebeling, A, Eisenhauer, N, Esch, E, Eskelinen, A, Hagenah, N, Hautier, Y, Kirkman, K P, MacDougall, A S, Moore, J L, Power, S A, Prober, S M, Roscher, C, Sankaran, M, Siebert, J, Speziale, K L, Tognetti, P M, Virtanen, R, Yahdjian, L, and Moser, B

Published
2019

29. Soil net nitrogen mineralisation across global grasslands

Author

Risch, A. C. (A. C.), Zimmermann, S. (S.), Ochoa-Hueso, R. (R.), Schutz, M. (M.), Frey, B. (B.), Firn, J. L. (J. L.), Fay, P. A. (P. A.), Hagedorn, F. (F.), Borer, E. T. (E. T.), Seabloom, E. W. (E. W.), Harpole, W. S. (W. S.), Knops, J. M. (J. M. H.), McCulley, R. L. (R. L.), Broadbent, A. A. (A. A. D.), Stevens, C. J. (C. J.), Silveira, M. L. (M. L.), Adler, P. B. (P. B.), Baez, S. (S.), Biederman, L. A. (L. A.), Blair, J. M. (J. M.), Brown, C. S. (C. S.), Caldeira, M. C. (M. C.), Collins, S. L. (S. L.), Daleo, P. (P.), di Virgilio, A. (A.), Ebeling, A. (A.), Eisenhauer, N. (N.), Esch, E. (E.), Eskelinen, A. (A.), Hagenah, N. (N.), Hautier, Y. (Y.), Kirkman, K. P. (K. P.), MacDougall, A. S. (A. S.), Moore, J. L. (J. L.), Power, S. A. (S. A.), Prober, S. M. (S. M.), Roscher, C. (C.), Sankaran, M. (M.), Siebert, J. (J.), Speziale, K. L. (K. L.), Tognetti, P. M. (P. M.), Virtanen, R. (R.), Yahdjian, L. (L.), Moser, B. (B.), Risch, A. C. (A. C.), Zimmermann, S. (S.), Ochoa-Hueso, R. (R.), Schutz, M. (M.), Frey, B. (B.), Firn, J. L. (J. L.), Fay, P. A. (P. A.), Hagedorn, F. (F.), Borer, E. T. (E. T.), Seabloom, E. W. (E. W.), Harpole, W. S. (W. S.), Knops, J. M. (J. M. H.), McCulley, R. L. (R. L.), Broadbent, A. A. (A. A. D.), Stevens, C. J. (C. J.), Silveira, M. L. (M. L.), Adler, P. B. (P. B.), Baez, S. (S.), Biederman, L. A. (L. A.), Blair, J. M. (J. M.), Brown, C. S. (C. S.), Caldeira, M. C. (M. C.), Collins, S. L. (S. L.), Daleo, P. (P.), di Virgilio, A. (A.), Ebeling, A. (A.), Eisenhauer, N. (N.), Esch, E. (E.), Eskelinen, A. (A.), Hagenah, N. (N.), Hautier, Y. (Y.), Kirkman, K. P. (K. P.), MacDougall, A. S. (A. S.), Moore, J. L. (J. L.), Power, S. A. (S. A.), Prober, S. M. (S. M.), Roscher, C. (C.), Sankaran, M. (M.), Siebert, J. (J.), Speziale, K. L. (K. L.), Tognetti, P. M. (P. M.), Virtanen, R. (R.), Yahdjian, L. (L.), and Moser, B. (B.)

Abstract

Soil nitrogen mineralisation (Nmin), the conversion of organic into inorganic N, is important for productivity and nutrient cycling. The balance between mineralisation and immobilisation (net Nmin) varies with soil properties and climate. However, because most global-scale assessments of net Nmin are laboratory-based, its regulation under field-conditions and implications for real-world soil functioning remain uncertain. Here, we explore the drivers of realised (field) and potential (laboratory) soil net Nmin across 30 grasslands worldwide. We find that realised Nmin is largely explained by temperature of the wettest quarter, microbial biomass, clay content and bulk density. Potential Nmin only weakly correlates with realised Nmin, but contributes to explain realised net Nmin when combined with soil and climatic variables. We provide novel insights of global realised soil net Nmin and show that potential soil net Nmin data available in the literature could be parameterised with soil and climate data to better predict realised Nmin.

Published
2019

30. Global change effects on plant communities are magnified by time and the number of global change factors imposed

Author

Komatsu, K.J., Avolio, M.L., Lemoine, N.P., Isbell, F., Grman, E., Houseman, G.R., Koerner, S.E., Johnson, D.S., Wilcox, K.R., Alatalo, J.M., Anderson, J.P., Aerts, R., Baer, S.G., Baldwin, A.H., Bates, J., Beierkuhnlein, C., Belote, R.T., Blair, J., Bloor, J.M.G., Bohlen, P.J., Bork, E.W., Boughton, E.H., Bowman, W.D., Britton, A.J., Cahill jr., J.F., Chaneton, E., Chiariello, N.R., Cheng, J., Collins, S.L., Cornelissen, J.H.C., Du, G., Eskelinen, Anu Maria, Firn, J., Foster, B., Gough, L., Gross, K., Hallett, L.M., Han, X., Harmens, H., Hovenden, M.J., Jagerbrand, A., Jentsch, A., Kern, C., Klanderud, K., Knapp, A.K., Kreyling, J., Li, W., Luo, Y., McCulley, R.L., McLaren, J.R., Megonigal, J.P., Morgan, J.W., Onipchenko, V., Pennings, S.C., Prevéy, J.S., Price, J.N., Reich, P.B., Robinson, C.H., Russell, F.L., Sala, O.E., Seabloom, E.W., Smith, M.D., Soudzilovskaia, N.A., Souza, L., Suding, K., Suttle, K.B., Svejcar, T., Tilman, D., Tognetti, P., Turkington, R., White, S., Xu, Z., Yahdjian, L., Yu, Q., Zhang, P., Zhang, Y., Komatsu, K.J., Avolio, M.L., Lemoine, N.P., Isbell, F., Grman, E., Houseman, G.R., Koerner, S.E., Johnson, D.S., Wilcox, K.R., Alatalo, J.M., Anderson, J.P., Aerts, R., Baer, S.G., Baldwin, A.H., Bates, J., Beierkuhnlein, C., Belote, R.T., Blair, J., Bloor, J.M.G., Bohlen, P.J., Bork, E.W., Boughton, E.H., Bowman, W.D., Britton, A.J., Cahill jr., J.F., Chaneton, E., Chiariello, N.R., Cheng, J., Collins, S.L., Cornelissen, J.H.C., Du, G., Eskelinen, Anu Maria, Firn, J., Foster, B., Gough, L., Gross, K., Hallett, L.M., Han, X., Harmens, H., Hovenden, M.J., Jagerbrand, A., Jentsch, A., Kern, C., Klanderud, K., Knapp, A.K., Kreyling, J., Li, W., Luo, Y., McCulley, R.L., McLaren, J.R., Megonigal, J.P., Morgan, J.W., Onipchenko, V., Pennings, S.C., Prevéy, J.S., Price, J.N., Reich, P.B., Robinson, C.H., Russell, F.L., Sala, O.E., Seabloom, E.W., Smith, M.D., Soudzilovskaia, N.A., Souza, L., Suding, K., Suttle, K.B., Svejcar, T., Tilman, D., Tognetti, P., Turkington, R., White, S., Xu, Z., Yahdjian, L., Yu, Q., Zhang, P., and Zhang, Y.

Abstract

Global change drivers (GCDs) are expected to alter community structure and consequently, the services that ecosystems provide. Yet, few experimental investigations have examined effects of GCDs on plant community structure across multiple ecosystem types, and those that do exist present conflicting patterns. In an unprecedented global synthesis of over 100 experiments that manipulated factors linked to GCDs, we show that herbaceous plant community responses depend on experimental manipulation length and number of factors manipulated. We found that plant communities are fairly resistant to experimentally manipulated GCDs in the short term (<10 y). In contrast, long-term (≥10 y) experiments show increasing community divergence of treatments from control conditions. Surprisingly, these community responses occurred with similar frequency across the GCD types manipulated in our database. However, community responses were more common when 3 or more GCDs were simultaneously manipulated, suggesting the emergence of additive or synergistic effects of multiple drivers, particularly over long time periods. In half of the cases, GCD manipulations caused a difference in community composition without a corresponding species richness difference, indicating that species reordering or replacement is an important mechanism of community responses to GCDs and should be given greater consideration when examining consequences of GCDs for the biodiversity–ecosystem function relationship. Human activities are currently driving unparalleled global changes worldwide. Our analyses provide the most comprehensive evidence to date that these human activities may have widespread impacts on plant community composition globally, which will increase in frequency over time and be greater in areas where communities face multiple GCDs simultaneously.

Published
2019

31. Local loss and spatial homogenization of plant diversity reduce ecosystem multifunctionality

Author

Hautier, Y., Isbell, F., Borer, E.T., Seabloom, E.W., Harpole, W.S., Lind, E.M., MacDougall, A.S., Stevens, C.J., Adler, P.B., Alberti, J., Bakker, J.D., Brudvig, L.A., Buckley, Y.M., Cadotte, M., Caldeira, M.C., Chaneton, E.J., Chu, C., Daleo, P., Dickman, C.R., Dwyer, J.M., Eskelinen, A., Fay, P.A., Firn, J., Hagenah, N., Hillebrand, H., Iribarne, O., Kirkman, K.P., Knops, J.M.H., La Pierre, K.J., McCulley, R.L., Morgan, J.W., Pärtel, M., Pascual, J., Price, J.N., Prober, S.M., Risch, A.C., Sankaran, M., Schuetz, M., Standish, R.J., Virtanen, R., Wardle, G.M., Yahdjian, L., Hector, A., Hautier, Y., Isbell, F., Borer, E.T., Seabloom, E.W., Harpole, W.S., Lind, E.M., MacDougall, A.S., Stevens, C.J., Adler, P.B., Alberti, J., Bakker, J.D., Brudvig, L.A., Buckley, Y.M., Cadotte, M., Caldeira, M.C., Chaneton, E.J., Chu, C., Daleo, P., Dickman, C.R., Dwyer, J.M., Eskelinen, A., Fay, P.A., Firn, J., Hagenah, N., Hillebrand, H., Iribarne, O., Kirkman, K.P., Knops, J.M.H., La Pierre, K.J., McCulley, R.L., Morgan, J.W., Pärtel, M., Pascual, J., Price, J.N., Prober, S.M., Risch, A.C., Sankaran, M., Schuetz, M., Standish, R.J., Virtanen, R., Wardle, G.M., Yahdjian, L., and Hector, A.

Abstract

Biodiversity is declining in many local communities while also becoming increasingly homogenized across space. Experiments show that local plant species loss reduces ecosystem functioning and services, but the role of spatial homogenization of community composition and the potential interaction between diversity at different scales in maintaining ecosystem functioning remains unclear, especially when many functions are considered (ecosystem multifunctionality). We present an analysis of eight ecosystem functions measured in 65 grasslands worldwide. We find that more diverse grasslands—those with both species-rich local communities (α-diversity) and large compositional differences among localities (β-diversity)—had higher levels of multifunctionality. Moreover, α- and β-diversity synergistically affected multifunctionality, with higher levels of diversity at one scale amplifying the contribution to ecological functions at the other scale. The identity of species influencing ecosystem functioning differed among functions and across local communities, explaining why more diverse grasslands maintained greater functionality when more functions and localities were considered. These results were robust to variation in environmental drivers. Our findings reveal that plant diversity, at both local and landscape scales, contributes to the maintenance of multiple ecosystem services provided by grasslands. Preserving ecosystem functioning therefore requires conservation of biodiversity both within and among ecological communities.

Published
2018

32. Asynchrony among local communities stabilises ecosystem function of metacommunities

Author

Wilcox, K. R. (Kevin R.), Tredennick, A. T. (Andrew T.), Koerner, S. E. (Sally E.), Grman, E. (Emily), Hallett, L. M. (Lauren M.), Avolio, M. L. (Meghan L.), La Pierre, K. J. (Kimberly J.), Houseman, G. R. (Gregory R.), Isbell, F. (Forest), Johnson, D. S. (David Samuel), Alatalo, J. M. (Juha M.), Baldwin, A. H. (Andrew H.), Bork, E. W. (Edward W.), Boughton, E. H. (Elizabeth H.), Bowman, W. D. (William D.), Britton, A. J. (Andrea J.), Cahill, J. F. (James F., Jr.), Collins, S. L. (Scott L.), Du, G. (Guozhen), Eskelinen, A. (Anu), Gough, L. (Laura), Jentsch, A. (Anke), Kern, C. (Christel), Klanderud, K. (Kari), Knapp, A. K. (Alan K.), Kreyling, J. (Juergen), Luo, Y. (Yiqi), McLaren, J. R. (Jennie R.), Megonigal, P. (Patrick), Onipchenko, V. (Vladimir), Prevey, J. (Janet), Price, J. N. (Jodi N.), Robinson, C. H. (Clare H.), Sala, O. E. (Osvaldo E.), Smith, M. D. (Melinda D.), Soudzilovskaia, N. A. (Nadejda A.), Souza, L. (Lara), Tilman, D. (David), White, S. R. (Shannon R.), Xu, Z. (Zhuwen), Yahdjian, L. (Laura), Yu, Q. (Qiang), Zhang, P. (Pengfei), Zhang, Y. (Yunhai), Wilcox, K. R. (Kevin R.), Tredennick, A. T. (Andrew T.), Koerner, S. E. (Sally E.), Grman, E. (Emily), Hallett, L. M. (Lauren M.), Avolio, M. L. (Meghan L.), La Pierre, K. J. (Kimberly J.), Houseman, G. R. (Gregory R.), Isbell, F. (Forest), Johnson, D. S. (David Samuel), Alatalo, J. M. (Juha M.), Baldwin, A. H. (Andrew H.), Bork, E. W. (Edward W.), Boughton, E. H. (Elizabeth H.), Bowman, W. D. (William D.), Britton, A. J. (Andrea J.), Cahill, J. F. (James F., Jr.), Collins, S. L. (Scott L.), Du, G. (Guozhen), Eskelinen, A. (Anu), Gough, L. (Laura), Jentsch, A. (Anke), Kern, C. (Christel), Klanderud, K. (Kari), Knapp, A. K. (Alan K.), Kreyling, J. (Juergen), Luo, Y. (Yiqi), McLaren, J. R. (Jennie R.), Megonigal, P. (Patrick), Onipchenko, V. (Vladimir), Prevey, J. (Janet), Price, J. N. (Jodi N.), Robinson, C. H. (Clare H.), Sala, O. E. (Osvaldo E.), Smith, M. D. (Melinda D.), Soudzilovskaia, N. A. (Nadejda A.), Souza, L. (Lara), Tilman, D. (David), White, S. R. (Shannon R.), Xu, Z. (Zhuwen), Yahdjian, L. (Laura), Yu, Q. (Qiang), Zhang, P. (Pengfei), and Zhang, Y. (Yunhai)

Abstract

Temporal stability of ecosystem functioning increases the predictability and reliability of ecosystem services, and understanding the drivers of stability across spatial scales is important for land management and policy decisions. We used species-level abundance data from 62 plant communities across five continents to assess mechanisms of temporal stability across spatial scales. We assessed how asynchrony (i.e. different units responding dissimilarly through time) of species and local communities stabilised metacommunity ecosystem function. Asynchrony of species increased stability of local communities, and asynchrony among local communities enhanced metacommunity stability by a wide range of magnitudes (1–315%); this range was positively correlated with the size of the metacommunity. Additionally, asynchronous responses among local communities were linked with species’ populations fluctuating asynchronously across space, perhaps stemming from physical and/or competitive differences among local communities. Accordingly, we suggest spatial heterogeneity should be a major focus for maintaining the stability of ecosystem services at larger spatial scales.

Published
2017

33. Asynchrony among local communities stabilises ecosystem function of metacommunities

Author

Wilcox, K.R., Tredennick, A.T., Koerner, S.E., Grman, E., Hallett, L.M., Avolio, M.L., La Pierre, K.J., Houseman, G.R., Isbell, F., Johnson, D.S., Alatalo, J.M., Baldwin, A.H., Bork, E.W., Boughton, E.H., Bowman, W.D., Britton, A.J., Cahill jr., J.F., Collins, S.L., Du, G., Eskelinen, Anu Maria, Gough, L., Jentsch, A., Kern, C., Klanderud, K., Knapp, A.K., Kreyling, J., Luo, Y., McLaren, J.R., Megonigal, P., Onipchenko, V., Prevéy, J., Price, J.N., Robinson, C.H., Sala, O.E., Smith, M.D., Soudzilovskaia, N.A., Souza, L., Tilman, D., White, S.R., Xu, Z., Yahdjian, L., Yu, Q., Zhang, P., Zhang, Y., Wilcox, K.R., Tredennick, A.T., Koerner, S.E., Grman, E., Hallett, L.M., Avolio, M.L., La Pierre, K.J., Houseman, G.R., Isbell, F., Johnson, D.S., Alatalo, J.M., Baldwin, A.H., Bork, E.W., Boughton, E.H., Bowman, W.D., Britton, A.J., Cahill jr., J.F., Collins, S.L., Du, G., Eskelinen, Anu Maria, Gough, L., Jentsch, A., Kern, C., Klanderud, K., Knapp, A.K., Kreyling, J., Luo, Y., McLaren, J.R., Megonigal, P., Onipchenko, V., Prevéy, J., Price, J.N., Robinson, C.H., Sala, O.E., Smith, M.D., Soudzilovskaia, N.A., Souza, L., Tilman, D., White, S.R., Xu, Z., Yahdjian, L., Yu, Q., Zhang, P., and Zhang, Y.

Abstract

Temporal stability of ecosystem functioning increases the predictability and reliability of ecosystem services, and understanding the drivers of stability across spatial scales is important for land management and policy decisions. We used species-level abundance data from 62 plant communities across five continents to assess mechanisms of temporal stability across spatial scales. We assessed how asynchrony (i.e. different units responding dissimilarly through time) of species and local communities stabilised metacommunity ecosystem function. Asynchrony of species increased stability of local communities, and asynchrony among local communities enhanced metacommunity stability by a wide range of magnitudes (1–315%); this range was positively correlated with the size of the metacommunity. Additionally, asynchronous responses among local communities were linked with species’ populations fluctuating asynchronously across space, perhaps stemming from physical and/or competitive differences among local communities. Accordingly, we suggest spatial heterogeneity should be a major focus for maintaining the stability of ecosystem services at larger spatial scales.

Published
2017

34. Climate modifies response of non-native and native species richness to nutrient enrichment

Author

Flores-Moreno, H., Reich, P.B., Lind, E.M., Sullivan, L.L., Seabloom, E.W., Yahdjian, L., MacDougall, A.S., Reichmann, L.G., Alberti, J., Báez, S., Bakker, J.D., Cadotte, M.W., Caldeira, M.C., Chaneton, E.J., D'Antonio, C.M., Fay, P.A., Firn, J., Hagenah, N., Harpole, William Stanley, Iribarne, O., Kirkman, K.P., Knops, J.M.H., La Pierre, K.J., Laungani, R., Leakey, A.D.B., McCulley, R.L., Moore, J.L., Pascual, J., Borer, E.T., Flores-Moreno, H., Reich, P.B., Lind, E.M., Sullivan, L.L., Seabloom, E.W., Yahdjian, L., MacDougall, A.S., Reichmann, L.G., Alberti, J., Báez, S., Bakker, J.D., Cadotte, M.W., Caldeira, M.C., Chaneton, E.J., D'Antonio, C.M., Fay, P.A., Firn, J., Hagenah, N., Harpole, William Stanley, Iribarne, O., Kirkman, K.P., Knops, J.M.H., La Pierre, K.J., Laungani, R., Leakey, A.D.B., McCulley, R.L., Moore, J.L., Pascual, J., and Borer, E.T.

Abstract

Ecosystem eutrophication often increases domination by non-natives and causes displacement of native taxa. However, variation in environmental conditions may affect the outcome of interactions between native and non-native taxa in environments where nutrient supply is elevated. We examined the interactive effects of eutrophication, climate variability and climate average conditions on the success of native and non-native plant species using experimental nutrient manipulations replicated at 32 grassland sites on four continents. We hypothesized that effects of nutrient addition would be greatest where climate was stable and benign, owing to reduced niche partitioning. We found that the abundance of non-native species increased with nutrient addition independent of climate; however, nutrient addition increased non-native species richness and decreased native species richness, with these effects dampened in warmer or wetter sites. Eutrophication also altered the time scale in which grassland invasion responded to climate, decreasing the importance of long-term climate and increasing that of annual climate. Thus, climatic conditions mediate the responses of native and non-native flora to nutrient enrichment. Our results suggest that the negative effect of nutrient addition on native abundance is decoupled from its effect on richness, and reduces the time scale of the links between climate and compositional change.

Published
2016

35. MAGGnet: An international network to foster mitigation of agricultural greenhouse gases

Author

Liebig, M.A., primary, Franzluebbers, A.J., additional, Alvarez, C., additional, Chiesa, T.D., additional, Lewczuk, N., additional, Piñeiro, G., additional, Posse, G., additional, Yahdjian, L., additional, Grace, P., additional, Cabral, O. Machado Rodrigues, additional, Martin-Neto, L., additional, de Aragão Ribeiro Rodrigues, R., additional, Amiro, B., additional, Angers, D., additional, Hao, X., additional, Oelbermann, M., additional, Tenuta, M., additional, Munkholm, L.J., additional, Regina, K., additional, Cellier, P., additional, Ehrhardt, F., additional, Richard, G., additional, Dechow, R., additional, Agus, F., additional, Widiarta, N., additional, Spink, J., additional, Berti, A., additional, Grignani, C., additional, Mazzoncini, M., additional, Orsini, R., additional, Roggero, P.P., additional, Seddaiu, G., additional, Tei, F., additional, Ventrella, D., additional, Vitali, G., additional, Kishimoto-Mo, A., additional, Shirato, Y., additional, Sudo, S., additional, Shin, J., additional, Schipper, L., additional, Savé, R., additional, Leifeld, J., additional, Spadavecchia, L., additional, Yeluripati, J., additional, Grosso, S. Del, additional, Rice, C., additional, and Sawchik, J., additional

Published
2016
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36. El futuro de los pastizales sudamericanos

Author

Yahdjian, L. and Sala, O. E.

Subjects
PRODUCTIVIDAD PRIMARIA, PASTIZALES, SUDAMERICA, GANADERIA, CAMBIO CLIMATICO
Abstract

153-158 Los pastizales de Sudamérica mantienen actividades de pastoreo de subsistencia y comerciales, y son un factor clave en la economía de muchos países. Esta actividad depende en forma directa del clima, principalmente las lluvias. La cantidad y distribución anual de precipitaciones determina la productividad primaria, es decir la energía fijada por las plantas, la que a su vez determina la cantidad de animales que se pueden producir. La actual tendencia de cambio climático producirá un aumento en la temperatura, cambios en las precipitaciones y mayor frecuencia de eventos extremos (sequías, inundaciones) que pueden afectar negativamente la productividad de estos pastizales. En la medida en que se puedan conocer las relaciones entre la producción y el clima, y que los pronósticos climáticos se hagan más precisos y confiables, se pueden implementar sistemas de alarma temprana que permitan mitigar las consecuencias negativas del cambio climático. Por ejemplo, a través de Sistemas de Alarma Ganadero se puede alertar a los productores sobre las sequías inminentes y sus consecuencias sobre la disponibilidad de forraje, a fin de mitigar las pérdidas económicas a corto plazo y el deterioro de los ecosistemas en el largo plazo. El cambio climático es inminente y ya se está experimentando. La alternativa ante este cambio inevitable es la adaptación al mismo, usando el conocimiento del funcionamiento de los sistemas biológicos e implementando herramientas que deben estar al servicio de los productores.

Published
2011

37. Effects of Climate and Atmospheric Nitrogen Deposition on Early to Mid-Term Stage Litter Decomposition Across Biomes

Author

TaeOh Kwon, Hideaki Shibata, Sebastian Kepfer-Rojas, Inger K. Schmidt, Klaus S. Larsen, Claus Beier, Björn Berg, Kris Verheyen, Jean-Francois Lamarque, Frank Hagedorn, Nico Eisenhauer, Ika Djukic, TeaComposition Network, Inger Kappel Schmidt, Klaus Steenberg Larsen, Jean Francois Lamarque, Adriano Caliman, Alain Paquette, Alba Gutiérrez-Girón, Alessandro Petraglia, Algirdas Augustaitis, Amélie Saillard, Ana Carolina Ruiz-Fernández, Ana I. Sousa, Ana I. Lillebø, Anderson da Rocha Gripp, Andrea Lamprecht, Andreas Bohner, André-Jean Francez, Andrey Malyshev, Andrijana Andrić, Angela Stanisci, Anita Zolles, Anna Avila, Anna-Maria Virkkala, Anne Probst, Annie Ouin, Anzar A. Khuroo, Arne Verstraeten, Artur Stefanski, Aurora Gaxiola, Bart Muys, Beatriz Gozalo, Bernd Ahrends, Bo Yang, Brigitta Erschbamer, Carmen Eugenia Rodríguez Ortíz, Casper T. Christiansen, Céline Meredieu, Cendrine Mony, Charles Nock, Chiao-Ping Wang, Christel Baum, Christian Rixen, Christine Delire, Christophe Piscart, Christopher Andrews, Corinna Rebmann, Cristina Branquinho, Dick Jan, Dirk Wundram, Dušanka Vujanović, E. Carol Adair, Eduardo Ordóñez-Regil, Edward R. Crawford, Elena F. Tropina, Elisabeth Hornung, Elli Groner, Eric Lucot, Esperança Gacia, Esther Lévesque, Evanilde Benedito, Evgeny A. Davydov, Fábio Padilha Bolzan, Fernando T. Maestre, Florence Maunoury-Danger, Florian Kitz, Florian Hofhansl, Flurin Sutter, Francisco de Almeida Lobo, Franco Leadro Souza, Franz Zehetner, Fulgence Kouamé Koffi, Georg Wohlfahrt, Giacomo Certini, Gisele Daiane Pinha, Grizelle González, Guylaine Canut, Harald Pauli, Héctor A. Bahamonde, Heike Feldhaar, Heinke Jäger, Helena Cristina Serrano, Hélène Verheyden, Helge Bruelheide, Henning Meesenburg, Hermann Jungkunst, Hervé Jactel, Hiroko Kurokawa, Ian Yesilonis, Inara Melece, Inge van Halder, Inmaculada García Quirós, István Fekete, Ivika Ostonen, Jana Borovská, Javier Roales, Jawad Hasan Shoqeir, Jean-Christophe Lata, Jean-Luc Probst, Jeyanny Vijayanathan, Jiri Dolezal, Joan-Albert Sanchez-Cabeza, Joël Merlet, John Loehr, Jonathan von Oppen, Jörg Löffler, José Luis Benito Alonso, José-Gilberto Cardoso-Mohedano, Josep Peñuelas, Joseph C. Morina, Juan Darío Quinde, Juan J. Jiménez, Juha M. Alatalo, Julia Seeber, Julia Kemppinen, Jutta Stadler, Kaie Kriiska, Karel Van den Meersche, Karibu Fukuzawa, Katalin Szlavecz, Katalin Juhos, Katarína Gerhátová, Kate Lajtha, Katie Jennings, Katja Tielbörger, Kazuhiko Hoshizaki, Ken Green, Klaus Steinbauer, Laryssa Pazianoto, Laura Dienstbach, Laura Yahdjian, Laura J. Williams, Laurel Brigham, Lee Hanna, Liesbeth van den Brink, Lindsey Rustad, Lourdes Morillas, Luciana Silva Carneiro, Luciano Di Martino, Luis Villar, Luísa Alícida Fernandes Tavares, Madison Morley, Manuela Winkler, Marc Lebouvier, Marcello Tomaselli, Marcus Schaub, Maria Glushkova, Maria Guadalupe Almazan Torres, Marie-Anne de Graaff, Marie-Noëlle Pons, Marijn Bauters, Marina Mazón, Mark Frenzel, Markus Wagner, Markus Didion, Maroof Hamid, Marta Lopes, Martha Apple, Martin Weih, Matej Mojses, Matteo Gualmini, Matthew Vadeboncoeur, Michael Bierbaumer, Michael Danger, Michael Scherer-Lorenzen, Michal Růžek, Michel Isabellon, Michele Di Musciano, Michele Carbognani, Miglena Zhiyanski, Mihai Puşcaş, Milan Barna, Mioko Ataka, Miska Luoto, Mohammed H. Alsafaran, Nadia Barsoum, Naoko Tokuchi, Nathalie Korboulewsky, Nicolas Lecomte, Nina Filippova, Norbert Hölzel, Olga Ferlian, Oscar Romero, Osvaldo Pinto-Jr, Pablo Peri, Pavel Dan Turtureanu, Peter Haase, Peter Macreadie, Peter B. Reich, Petr Petřík, Philippe Choler, Pierre Marmonier, Quentin Ponette, Rafael Dettogni Guariento, Rafaella Canessa, Ralf Kiese, Rebecca Hewitt, Robert Weigel, Róbert Kanka, Roberto Cazzolla Gatti, Rodrigo Lemes Martins, Romà Ogaya, Romain Georges, Rosario G. Gavilán, Sally Wittlinger, Sara Puijalon, Satoshi Suzuki, Schädler Martin, Schmidt Anja, Sébastien Gogo, Silvio Schueler, Simon Drollinger, Simone Mereu, Sonja Wipf, Stacey Trevathan-Tackett, Stefan Stoll, Stefan Löfgren, Stefan Trogisch, Steffen Seitz, Stephan Glatzel, Susanna Venn, Sylvie Dousset, Taiki Mori, Takanori Sato, Takuo Hishi, Tatsuro Nakaji, Theurillat Jean-Paul, Thierry Camboulive, Thomas Spiegelberger, Thomas Scholten, Thomas J. Mozdzer, Till Kleinebecker, Tomáš Rusňák, Tshililo Ramaswiela, Tsutom Hiura, Tsutomu Enoki, Tudor-Mihai Ursu, Umberto Morra di Cella, Ute Hamer, Valentin Klaus, Valter Di Cecco, Vanessa Rego, Veronika Fontana, Veronika Piscová, Vincent Bretagnolle, Vincent Maire, Vinicius Farjalla, Vittoz Pascal, Wenjun Zhou, Wentao Luo, William Parker, Yasuhiro Utsumi, Yuji Kominami, Zsolt Kotroczó, Zsolt Tóth, Field Science Center for Northern Biosphere, Hokkaido University [Sapporo, Japan], Department of Geosciences and Natural Resource Management [Copenhagen] (IGN), Faculty of Science [Copenhagen], University of Copenhagen = Københavns Universitet (KU)-University of Copenhagen = Københavns Universitet (KU), Department of Forest Sciences [Helsinki], Faculty of Agriculture and Forestry [Helsinki], University of Helsinki-University of Helsinki, Department of Forest and Water Management, Forest & Nature Lab, Universiteit Gent = Ghent University [Belgium] (UGENT), National Center for Atmospheric Research [Boulder] (NCAR), Swiss Federal Institute for Forest, Snow and Landscape Research WSL, German Centre for Integrative Biodiversity Research (iDiv), Institute of Biology, Leipzig University, Ecosystèmes, biodiversité, évolution [Rennes] (ECOBIO), Centre National de la Recherche Scientifique (CNRS)-Observatoire des Sciences de l'Univers de Rennes (OSUR)-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES), Zone Atelier du Bassin de la Moselle [LTSER France] (ZAM), Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Ecologie Fonctionnelle et Environnement (ECOLAB), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS), Ecosystèmes forestiers (UR EFNO), Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Équipe 3 - Écologie, Évolution, Écosystemes Souterrains (E3S), Institut Universitaire de France (IUF), Ministère de l'Education nationale, de l’Enseignement supérieur et de la Recherche (M.E.N.E.S.R.)-Ministère de l'Education nationale, de l’Enseignement supérieur et de la Recherche (M.E.N.E.S.R.)-Laboratoire d'Ecologie des Hydrosystèmes Naturels et Anthropisés (LEHNA), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-École Nationale des Travaux Publics de l'État (ENTPE)-Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-École Nationale des Travaux Publics de l'État (ENTPE)-Centre National de la Recherche Scientifique (CNRS), ZABR UMR 5023 VILLEURBANNE CEDEX, Partenaires IRSTEA, Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA), Équipe 2 - Écologie Végétale et Zones Humides (EVZH), Laboratoire d'Ecologie des Hydrosystèmes Naturels et Anthropisés (LEHNA), Repositório da Universidade de Lisboa, Centre National de la Recherche Scientifique - CNRS (FRANCE), University of Helsinki (FINLAND), Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE), Université Toulouse III - Paul Sabatier - UT3 (FRANCE), Hokkaido University (JAPAN), German Centre for Integrative Biodiversity Research - iDiv (GERMANY), Universität Leipzig (GERMANY), National Center for Atmospheric Research - NCAR (UNITED STATES), Forschungsanstalt für Wald, Schnee und Landschaft - WSL (SWITZERLAND), Tea composition (SWITZERLAND), Universiteit Gent - UGENT (BELGIUM), University of Copenhagen - UCPH (DENMARK), Laboratoire Ecologie fonctionnelle et Environnement - EcoLab (Toulouse, France), University of Copenhagen = Københavns Universitet (UCPH)-University of Copenhagen = Københavns Universitet (UCPH), Helsingin yliopisto = Helsingfors universitet = University of Helsinki-Helsingin yliopisto = Helsingfors universitet = University of Helsinki, Universiteit Gent = Ghent University (UGENT), Leipzig University, Université de Rennes (UR)-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Observatoire des Sciences de l'Univers de Rennes (OSUR), Université de Rennes (UR)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Rennes 2 (UR2)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Rennes 2 (UR2)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Ecologie Fonctionnelle et Environnement (LEFE), Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT), Unité de recherche Comportement et Ecologie de la Faune Sauvage (CEFS), Muys, Bart, Department of Forest Sciences, Lammi Biological Station, Biological stations, Department of Geosciences and Geography, Helsinki Institute of Sustainability Science (HELSUS), BioGeoClimate Modelling Lab, Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées, Kwon T., Shibata H., Kepfer-Rojas S., Schmidt I.K., Larsen K.S., Beier C., Berg B., Verheyen K., Lamarque J.-F., Hagedorn F., Eisenhauer N., Djukic I., Caliman A., Paquette A., Gutierrez-Giron A., Petraglia A., Augustaitis A., Saillard A., Ruiz-Fernandez A.C., Sousa A.I., Lillebo A.I., Da Rocha Gripp A., Lamprecht A., Bohner A., Francez A.-J., Malyshev A., Andric A., Stanisci A., Zolles A., Avila A., Virkkala A.-M., Probst A., Ouin A., Khuroo A.A., Verstraeten A., Stefanski A., Gaxiola A., Muys B., Gozalo B., Ahrends B., Yang B., Erschbamer B., Rodriguez Ortiz C.E., Christiansen C.T., Meredieu C., Mony C., Nock C., Wang C.-P., Baum C., Rixen C., Delire C., Piscart C., Andrews C., Rebmann C., Branquinho C., Jan D., Wundram D., Vujanovic D., Adair E.C., Ordonez-Regil E., Crawford E.R., Tropina E.F., Hornung E., Groner E., Lucot E., Gacia E., Levesque E., Benedito E., Davydov E.A., Bolzan F.P., Maestre F.T., Maunoury-Danger F., Kitz F., Hofhansl F., Hofhansl G., De Almeida Lobo F., Souza F.L., Zehetner F., Koffi F.K., Wohlfahrt G., Certini G., Pinha G.D., Gonzlez G., Canut G., Pauli H., Bahamonde H.A., Feldhaar H., Jger H., Serrano H.C., Verheyden H., Bruelheide H., Meesenburg H., Jungkunst H., Jactel H., Kurokawa H., Yesilonis I., Melece I., Van Halder I., Quiros I.G., Fekete I., Ostonen I., Borovsk J., Roales J., Shoqeir J.H., Jean-Christophe Lata J., Probst J.-L., Vijayanathan J., Dolezal J., Sanchez-Cabeza J.-A., Merlet J., Loehr J., Von Oppen J., Loffler J., Benito Alonso J.L., Cardoso-Mohedano J.-G., Penuelas J., Morina J.C., Quinde J.D., Jimnez J.J., Alatalo J.M., Seeber J., Kemppinen J., Stadler J., Kriiska K., Van Den Meersche K., Fukuzawa K., Szlavecz K., Juhos K., Gerhtov K., Lajtha K., Jennings K., Jennings J., Ecology P., Hoshizaki K., Green K., Steinbauer K., Pazianoto L., Dienstbach L., Yahdjian L., Williams L.J., Brigham L., Hanna L., Hanna H., Rustad L., Morillas L., Silva Carneiro L., Di Martino L., Villar L., Fernandes Tavares L.A., Morley M., Winkler M., Lebouvier M., Tomaselli M., Schaub M., Glushkova M., Torres M.G.A., De Graaff M.-A., Pons M.-N., Bauters M., Mazn M., Frenzel M., Wagner M., Didion M., Hamid M., Lopes M., Apple M., Weih M., Mojses M., Gualmini M., Vadeboncoeur M., Bierbaumer M., Danger M., Scherer-Lorenzen M., Ruek M., Isabellon M., Di Musciano M., Carbognani M., Zhiyanski M., Puca M., Barna M., Ataka M., Luoto M., H. Alsafaran M., Barsoum N., Tokuchi N., Korboulewsky N., Lecomte N., Filippova N., Hlzel N., Ferlian O., Romero O., Pinto-Jr O., Peri P., Dan Turtureanu P., Haase P., Macreadie P., Reich P.B., Petk P., Choler P., Marmonier P., Ponette Q., Dettogni Guariento R., Canessa R., Kiese R., Hewitt R., Weigel R., Kanka R., Cazzolla Gatti R., Martins R.L., Ogaya R., Georges R., Gaviln R.G., Wittlinger S., Puijalon S., Suzuki S., Martin S., Anja S., Gogo S., Schueler S., Drollinger S., Mereu S., Wipf S., Trevathan-Tackett S., Stoll S., Lfgren S., Trogisch S., Seitz S., Glatzel S., Venn S., Dousset S., Mori T., Sato T., Hishi T., Nakaji T., Jean-Paul T., Camboulive T., Spiegelberger T., Scholten T., Mozdzer T.J., Kleinebecker T., Runk T., Ramaswiela T., Hiura T., Enoki T., Ursu T.-M., Di Cella U.M., Hamer U., Klaus V., Di Cecco V., Rego V., Fontana V., Piscov V., Bretagnolle V., Maire V., Farjalla V., Pascal V., Zhou W., Luo W., Parker W., Parker P., Kominam Y., Kotrocz Z., and Utsumi Y.

Subjects
010504 meteorology & atmospheric sciences, tea bag, Green tea, Rooibos tea, litter decomposition, carbon turnover, nitrogen deposition, TeaComposition initiative, Biome, SOIL MICROBIAL COMMUNITIES, tea bag, Green tea, Rooibos tea, litter decomposition, carbon turnover, nitrogen deposition, TeaComposition initiative, Carbon turnover, Nitrogen deposition -TeaComposition initiative, Suelo, Flora Microbiana, 01 natural sciences, [SDU.STU.GC]Sciences of the Universe [physics]/Earth Sciences/Geochemistry, GE1-350, Ecosistemas Terrestres, Global and Planetary Change, Nutrient Cycling, Té Verde, Nitrogen deposition - TeaComposition initiative, [SDE.IE]Environmental Sciences/Environmental Engineering, Forestry, Biomas, [SDE]Environmental Sciences, Terrestrial ecosystem, [SDV.TOX.ECO]Life Sciences [q-bio]/Toxicology/Ecotoxicology, Biologie, Nitrogen, [SDE.MCG]Environmental Sciences/Global Changes, [SDV.SA.SDS]Life Sciences [q-bio]/Agricultural sciences/Soil study, Animal science, LEAF, ORGANIC-CARBON, Carbono, RATES, [SDU.STU.HY]Sciences of the Universe [physics]/Earth Sciences/Hydrology, [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces, environment, climate, Escala Global, Nature and Landscape Conservation, Nutrientes, forests, Ecologie, Environnement, Science & Technology, 15. Life on land, worldwide experiment, [SDE.ES]Environmental Sciences/Environmental and Society, Carbon, Biology and Microbiology, Agriculture and Soil Science, Precipitación Atmosférica, Cambio Climático, Litter, 0401 agriculture, forestry, and fisheries, Tea Composition initiative, N-deposition, Deposition (chemistry), Global Scale, RESPONSES, Terrestrial Ecosystems, [SDV]Life Sciences [q-bio], Precipitation, Biomes, Degradation, Soil, Té Rooibos, FOLIAR LITTER, TEMPERATURE, [SDV.EE]Life Sciences [q-bio]/Ecology, environment, Ecology, Nitrógeno, Temperature, Litter decomposition, 04 agricultural and veterinary sciences, Temperatura, Ciclo de Nutrientes, 1181 Ecology, evolutionary biology, Life Sciences & Biomedicine, Nutrient cycle, Climate Change, Environmental Sciences & Ecology, Environmental Science (miscellaneous), Degradación, Liter Descomposition, [SDV.EE.ECO]Life Sciences [q-bio]/Ecology, environment/Ecosystems, Temperate climate, [SDV.BBM]Life Sciences [q-bio]/Biochemistry, Molecular Biology, 0105 earth and related environmental sciences, Microbial Flora, AVAILABILITY, Chemical process of decomposition, Bolsa de Té, Nutrients, Descomposición de Hojas, SD1-669.5, Decomposition, N DEPOSITION, Environmental sciences, Tea bag, 13. Climate action, Earth and Environmental Sciences, 040103 agronomy & agriculture, PATTERNS, Environmental science, cavelab, Nitrogen deposition, [SDE.BE]Environmental Sciences/Biodiversity and Ecology
Abstract

Este artículo contiene 18 páginas, 5 tablas, 4 figuras., Litter decomposition is a key process for carbon and nutrient cycling in terrestrial ecosystems and is mainly controlled by environmental conditions, substrate quantity and quality as well as microbial community abundance and composition. In particular, the effects of climate and atmospheric nitrogen (N) deposition on litter decomposition and its temporal dynamics are of significant importance, since their effects might change over the course of the decomposition process. Within the TeaComposition initiative, we incubated Green and Rooibos teas at 524 sites across nine biomes. We assessed how macroclimate and atmospheric inorganic N deposition under current and predicted scenarios (RCP 2.6, RCP 8.5) might affect litter mass loss measured after 3 and 12 months. Our study shows that the early to mid-term mass loss at the global scale was affected predominantly by litter quality (explaining 73% and 62% of the total variance after 3 and 12 months, respectively) followed by climate and N deposition. The effects of climate were not litter-specific and became increasingly significant as decomposition progressed, with MAP explaining 2% and MAT 4% of the variation after 12 months of incubation. The effect of N deposition was litter-specific, and significant only for 12-month decomposition of Rooibos tea at the global scale. However, in the temperate biome where atmospheric N deposition rates are relatively high, the 12- month mass loss of Green and Rooibos teas decreased significantly with increasing N deposition, explaining 9.5% and 1.1% of the variance, respectively. The expected changes in macroclimate and N deposition at the global scale by the end of this century are estimated to increase the 12-month mass loss of easily decomposable litter by 1.1– 3.5% and of the more stable substrates by 3.8–10.6%, relative to current mass loss.In contrast, expected changes in atmospheric N deposition will decrease the mid-term mass loss of high-quality litter by 1.4–2.2% and that of low-quality litter by 0.9–1.5% in the temperate biome. Our results suggest that projected increases in N deposition may have the capacity to dampen the climate-driven increases in litter decomposition depending on the biome and decomposition stage of substrate., This work was performed within the TeaComposition initiative, carried out by 190 institutions worldwide. We thank for funding support for the workshop and data analysis from the ILTER. We acknowledge support by the German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, funded by the German Research Foundation (FZT 118), Scientific Grant Agency VEGA (Grant No. 2/0101/18), as well as by the European Research Council under the European Union’s Horizon 2020 Research and Innovation Program (Grant Agreement No. 677232). Thanks are due to FCT/MCTES for the financial support to CESAM (UIDB/50017/2020 + UIDP/50017/2020) and to the project PORBIOTA (POCI-01-0145-FEDER-022127). AI Sousa was funded by national funds through the FCTFoundation for Science and Technology, I.P., under the project CEECIND/00962/2017. HS and CB acknowledge FCT support to cE3c through UID/BIA/00329/2013, UID/BIA/00329/2019, and UIDB/00329/2020, and the project PORBIOTA - POCI-01- 0145-FEDER-022127. We are also thankful to UNILEVER for sponsoring the Lipton tea.

Published
2021

38. Early stage litter decomposition across biomes

Author

Umberto Morra di Cella, Sean P. Charles, Matteo Gualmini, Naoko Tokuchi, Michael Mirtl, Marta Lobão Lopes, Takeshi Ise, Inmaculada García Quirós, Geovana Carreño-Rocabado, Arne Verstraeten, Joan-Albert Sanchez-Cabeza, Thomas Zechmeister, Jill Thompson, Norbert Hölzel, Maroof Hamid, Rodrigo Lemes Martins, Taiki Mori, José Marcelo Domingues Torezan, Dana Polyanskaya, Peter Haase, Björn Berg, Angela Stanisci, Issaka Senou, Inger Kappel Schmidt, Markus Wagner, Adriano Caliman, Laurel M. Brigham, Alejandro Valdecantos, Céline Meredieu, Kalifa Coulibaly, Margarida Santos-Reis, Georg Wohlfahrt, Regin Rønn, Marcello Tomaselli, Martin Weih, Bernd Ahrends, Kaie Kriiska, Anja Schmidt, Luciana S. Carneiro, Ana I. Lillebø, Alessandro Petraglia, Algirdas Augustaitis, Ana I. Sousa, Sonja Wipf, Chi-Ling Chen, Hassan Bismarck Nacro, Sue J. Milton, Ivan Mihal, Ika Djukic, Florence Maunoury-Danger, Peter Fleischer, Tatsuro Nakaji, Cendrine Mony, Sara Puijalon, Rafael D. Guariento, Rosa Isela Meneses, Mihai Pușcaș, Pablo Luis Peri, Flurin Sutter, Kate Lajtha, Peter B. Reich, Lindsey E. Rustad, María Guadalupe Almazán Torres, Laura Williams, George L. Vourlitis, Evanilde Benedito, Arely N. Palabral-Aguilera, Luis Villar, Stefanie Hoeber, Juan J. Jiménez, Esperança Gacia, Alba Gutiérrez-Girón, Kazuhiko Hoshizaki, Takanori Sato, Eric Lucot, Osvaldo Borges Pinto, Artur Stefanski, Andrew R. Smith, Takuo Hishi, Rosario G. Gavilán, Till Kleinebecker, Julia Seeber, Gina Arena, Marcelo Sternberg, Mo Jiangming, Tsutom Hiura, Satoshi N. Suzuki, Jeyanny Vijayanathan, Christine Delire, Francisco Cuesta, Bill Parker, Mark Frenzel, Franz Zehetner, Vincent Maire, Edward Crawford, Heinke Jäger, Nicolas Lecomte, Tanaka Kenta, Yuji Kominami, Joseph C. Morina, Paige E. Weber, Pavel Dan Turtureanu, Marc Lebouvier, Pascal Vittoz, Jónína Sigríður Þorláksdóttir, Anne Probst, David Fuentes Delgado, Laura Yahdjian, Johan Neirynck, Isaac Ahanamungu Makelele, Bernard Bosman, Fábio Padilha Bolzan, Yury Rozhkov, Ute Hamer, Henning Meesenburg, Vinicius F. Farjalla, Steffen Seitz, Marie-Noëlle Pons, Jess K. Zimmerman, Hans Verbeeck, Thomas Scholten, Elena Preda, Thomas Spiegelberger, Romain Georges, Stefan Löfgren, Ferdinand Kristöfel, Pierre Marmonier, Juha M. Alatalo, Katalin Szlavecz, Ana Carolina Ruiz Fernández, Johannes M. H. Knops, Rita Adrian, Vanessa Mendes Rêgo, Jean-Christophe Lata, Rafaella Canessa, Kathrin Käppeler, Andrea Fischer, Michael Bierbaumer, Jiří Doležal, Hideaki Shibata, Marcus Schaub, Zsolt Toth, Diyaa Radeideh, Matthew A. Vadeboncoeur, Robert Kanka, William H. McDowell, Birgit Sattler, Jean-Luc Probst, Mioko Ataka, Katarína Gerhátová, Jawad Shoqeir, Stefan Stoll, Michael Danger, Sébastien Gogo, Katja Tielbörger, Laryssa Helena Ribeiro Pazianoto, Bo Yang, Franco L. Souza, John Loehr, Francisco de Almeida Lobo, Michael J. Liddell, Sylvie Dousset, Dirk Wundram, Ralf Kiese, Yalin Hu, Miglena Zhiyanski, José-Luis Benito-Alonso, Katie A. Jennings, Tsutomu Enoki, Helena Cristina Serrano, Quentin Ponette, Helge Bruelheide, Simon Drollinger, Vincent Bretagnolle, Ivika Ostonen, Lambiénou Yé, Javier Roales, Philippe Choler, Madison Morley, Charles A. Nock, Grizelle González, Tudor-Mihai Ursu, Maaike Y. Bader, Cristina Branquinho, Hugo López Rosas, Nina V. Filippova, Erzsébet Hornung, Anzar A. Khuroo, Lourdes Morillas, Harald Auge, Andreas Bohner, Florian Kitz, Stephan Glatzel, Aurora Gaxiola, Marijn Bauters, Stefan Trogisch, Guylaine Canut, Oscar Romero, Hélène Verheyden, Yulia Zaika, Veronika Piscová, Michael Scherer-Lorenzen, Valentin H. Klaus, Elena Tropina, Michele Di Musciano, Marie-Andrée Giroux, Florian Hofhansl, Wenjun Zhou, Corinna Rebmann, Thomas J. Mozdzer, Zsolt Kotroczó, Evy Ampoorter, Michal Růžek, Jana Borovská, Jianwu Tang, Petr Petřík, Juan Dario Quinde, Simone Mereu, Esther Lévesque, Olga Ferlian, Veronika Fontana, Joël Merlet, Stacey M. Trevathan-Tackett, André-Jean Francez, Wentao Luo, Héctor Alejandro Bahamonde, Roberto Cazzolla Gatti, Brigitta Erschbamer, Christopher Andrews, Marie-Anne de Graaff, Martin Schädler, Luciano Di Martino, Verena Busch, Elli Groner, Victoria Carbonell, Michinari Matsushita, Maria Glushkova, Sarah Freda, Alain Paquette, Annie Ouin, Robert Weigel, Monique Carnol, Bohdan Juráni, Ian D. Yesilonis, Jean-Paul Theurillat, Hugo L. Rojas Villalobos, Alberto Humber, Martha Apple, Nico Eisenhauer, Claus Beier, Hermann F. Jungkunst, Hiroko Kurokawa, Nadia Barsoum, Thierry Camboulive, Klaus Steenberg Larsen, Frank Berninger, Laura Dienstbach, Yasuhiro Utsumi, Inara Melece, Felipe Varela, Sally Wittlinger, Christian Rixen, Valter Di Cecco, Anderson da Rocha Gripp, Marina Mazón, E. Carol Adair, Hanna Lee, István Fekete, Liesbeth van den Brink, José-Gilberto Cardoso-Mohedano, Ken Green, Heike Feldhaar, Jonathan von Oppen, Michele Carbognani, Lu Xiankai, Christophe Piscart, Fernando T. Maestre, Karibu Fukuzawa, Chiao-Ping Wang, Bart Muys, Lipeng Zhang, Harald Pauli, Inge van Halder, Carmen Eugenia Rodríguez Ortíz, Eduardo Ordóñez-Regil, Priscilla Muriel, Heather D. Alexander, Sebastian Kepfer-Rojas, Victoria Ochoa, Casper T. Christiansen, Mohammed Alsafran, Thaisa Sala Michelan, Christel Baum, Amélie Saillard, Hervé Jactel, Markus Didion, Evgeny A. Davydov, Sabyasachi Dasgupta, Anna Avila, Andrijana Andrić, Kris Verheyen, Jörg Löffler, Gisele Daiane Pinha, Anikó Seres, Jutta Stadler, Milan Barna, Andrey V. Malyshev, Rebecca E. Hewitt, Joh R. Henschel, Peter I. Macreadie, Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Norwegian Institute for Water Research (NIVA), Swedish University of Agricultural Sciences (SLU), Dept Forest & Water Management, Lab Forestry, Universiteit Gent = Ghent University [Belgium] (UGENT), Centre for Forest Research (CFR), Université du Québec à Montréal = University of Québec in Montréal (UQAM), Laboratoire d'Ecologie Alpine (LECA ), Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria = National Institute for Agricultural and Food Research and Technology (INIA), Ecosystèmes, biodiversité, évolution [Rennes] (ECOBIO), Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Observatoire des Sciences de l'Univers de Rennes (OSUR), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Rennes 2 (UR2), Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Rennes 2 (UR2), Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Centre National de la Recherche Scientifique (CNRS), Institute for Climate and Atmospheric Science [Leeds] (ICAS), School of Earth and Environment [Leeds] (SEE), University of Leeds-University of Leeds, Laboratoire Ecologie Fonctionnelle et Environnement (ECOLAB), Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées, Dynamiques Forestières dans l'Espace Rural (DYNAFOR), Institut National de la Recherche Agronomique (INRA)-École nationale supérieure agronomique de Toulouse [ENSAT]-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées, European Forest Institute = Institut Européen de la Forêt = Euroopan metsäinstituutti (EFI), Institute of Information Engineering [Beijing] (IIE), Chinese Academy of Sciences [Beijing] (CAS), Biodiversité, Gènes & Communautés (BioGeCo), Institut National de la Recherche Agronomique (INRA)-Université de Bordeaux (UB), University of Rostock, WSL Institute for Snow and Avalanche Research SLF, Institut des Sciences de l'Evolution de Montpellier (UMR ISEM), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Montpellier (UM)-Institut de recherche pour le développement [IRD] : UR226-Centre National de la Recherche Scientifique (CNRS), Department Computational Hydrosystems [UFZ Leipzig], Helmholtz Zentrum für Umweltforschung = Helmholtz Centre for Environmental Research (UFZ), Laboratoire Chrono-environnement - CNRS - UBFC (UMR 6249) (LCE), Centre National de la Recherche Scientifique (CNRS)-Université de Franche-Comté (UFC), Université Bourgogne Franche-Comté [COMUE] (UBFC)-Université Bourgogne Franche-Comté [COMUE] (UBFC), Département de chimie-biologie & Centre d’études nordiques [CANADA], Université du Québec à Trois-Rivières (UQTR), Area de Biodiversidad y Conservaciín, Universidad Rey Juan Carlos [Madrid] (URJC), Laboratoire Interdisciplinaire des Environnements Continentaux (LIEC), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Terre et Environnement de Lorraine (OTELo), Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS), Helsingin yliopisto = Helsingfors universitet = University of Helsinki, Institute of Soil Research, Universität für Bodenkultur Wien = University of Natural Resources and Life [Vienne, Autriche] (BOKU), Institute of Ecology, University of Innsbruck, Centre national de recherches météorologiques (CNRM), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), Computational & Applied Vegetation Ecology (CAVElab), Department Community Ecology [UFZ Leipzig], University of Vienna [Vienna], Institut du Développement rural (IDR), Université Polytechnique Nazi Boni Bobo-Dioulasso (UNB), Unité de recherche Comportement et Ecologie de la Faune Sauvage (CEFS), Institut National de la Recherche Agronomique (INRA), Institute of Biology/Geobotany and Botanical Garden, Martin-Luther-Universität Halle Wittenberg (MLU), Tohoku University [Sendai], Institute of Ecology and Earth Sciences [Tartu], University of Tartu, Institut d'écologie et des sciences de l'environnement de Paris (iEES), Institut National de la Recherche Agronomique (INRA)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12)-Centre National de la Recherche Scientifique (CNRS), Centre alpien de Phytogéographie (CAP), Fondation Jean-Marcel Aubert, Inst Trop Ecosyst Studies, University of Puerto Rico (UPR), Universidad de Valladolid [Valladolid] (UVa), Mountain Agriculture Research Unit, Centre international de recherche-développement sur l'élevage en zone sub-humide (CIRDES), Centre Universitaire Polytechnique de Dédougou (CUP-D), Université Joseph Ki-Zerbo [Ouagadougou] (UJZK), USDA Forest Service, Instituto Pirenaico de Ecologia = Pyrenean Institute of Ecology (IPE), Station Biologique de Paimpont CNRS UMR 6653 (OSUR), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES), Institute of Pharmacology and Toxicology [Zurich], Universität Zürich [Zürich] = University of Zurich (UZH), Centre for Ecology - Evolution and Environmental Changes (cE3c) - Faculdade de Ciências, Universidade de Lisboa = University of Lisbon (ULISBOA), Canada Research in Northern Biodiversity, Université du Québec à Rimouski (UQAR), Laboratoire Réactions et Génie des Procédés (LRGP), Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS), Zone Atelier du Bassin de la Moselle [LTSER France] (ZAM), Department of Crop Production Ecology, University of Freiburg, Forest Research Institute- BAS, Bulgarian Academy of Sciences (BAS), Lab Plant & Microbial Ecol, Inst Bot B22, Université de Liège, Laboratoire Dynamique de la Biodiversité (LADYBIO), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS), Leipzig University, Westfälische Wilhelms-Universität Münster = University of Münster (WWU), Universitat Politècnica de Catalunya [Barcelona] (UPC), Université de Lausanne = University of Lausanne (UNIL), Department of Limnology and Conservation, Senckenberg Research Institutes and Natural History Museums, Department of Forest Resources, University of Minnesota [Twin Cities] (UMN), University of Minnesota System-University of Minnesota System, Laboratoire d'Ecologie des Hydrosystèmes Naturels et Anthropisés (LEHNA), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-École Nationale des Travaux Publics de l'État (ENTPE)-Centre National de la Recherche Scientifique (CNRS), Université Catholique de Louvain = Catholic University of Louvain (UCL), Institut für Meteorologie und Klimaforschung - Atmosphärische Umweltforschung (IMK-IFU), Karlsruher Institut für Technologie (KIT), Institut des Sciences de la Terre d'Orléans - UMR7327 (ISTO), Bureau de Recherches Géologiques et Minières (BRGM) (BRGM)-Observatoire des Sciences de l'Univers en région Centre (OSUC), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS), Biogéosystèmes Continentaux - UMR7327, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Bureau de Recherches Géologiques et Minières (BRGM) (BRGM)-Observatoire des Sciences de l'Univers en région Centre (OSUC), Department of Science for Nature and Natural Resources, Università degli Studi di Sassari = University of Sassari [Sassari] (UNISS), Biogéosciences [UMR 6282] (BGS), Université de Bourgogne (UB)-Centre National de la Recherche Scientifique (CNRS), Ecole Polytechnique Fédérale de Lausanne (EPFL), Tomakomai Research Station, Field Science Center for Northern Biosphere, Hokkaido University [Sapporo, Japan], Bangor University, Technische Universität Dresden = Dresden University of Technology (TU Dresden), Centre d'Études Biologiques de Chizé - UMR 7372 (CEBC), La Rochelle Université (ULR)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), LTSER «Zone Atelier Plaine & Val de Sevre» [France], Institut National de la Recherche Agronomique (INRA)-La Rochelle Université (ULR)-Centre National de la Recherche Scientifique (CNRS)-Institut National de la Recherche Agronomique (INRA)-La Rochelle Université (ULR)-Centre National de la Recherche Scientifique (CNRS), Condensed Matter Theory Laboratory RIKEN (RIKEN), RIKEN - Institute of Physical and Chemical Research [Japon] (RIKEN), 730938, Biological Interactions Doctoral Programme, Secretaría de Educación Superior, Ciencia, Tecnología e Innovación, 2/0101/18, Scientific Grant Agency VEGA, 2190, Fundación Charles Darwin, UID/AMB/50017, Centro de Estudos Ambientais e Marinhos, Universidade de Aveiro, ILTER Initiative Grant, ClimMani Short-Term Scientific Missions Grant, ES1308-231015-068365, Austrian Environment Agency, SFRH/BPD/107823/2015, Portuguese Foundation, DEB-1557009, NSF, UID/BIA/00329/2013, Fundação para a Ciência e Tecnologia, Centre National de la Recherche Scientifique (CNRS)-Observatoire des Sciences de l'Univers de Rennes (OSUR)-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Rennes 1 (UR1), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), University of Helsinki, Universität für Bodenkultur Wien [Vienne, Autriche] (BOKU), Groupe d'étude de l'atmosphère météorologique (CNRM-GAME), Institut national des sciences de l'Univers (INSU - CNRS)-Météo France-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de la Recherche Agronomique (INRA), Centre alpien de Phytogéographie, Fondation J.-M. Aubert, Centre international de recherche-développement sur l'élevage en zone Subhumide (CIRDES), Centre international de recherche-développement sur l'élevage en zone Subhumide, Instituto Pirenaico de Ecologia (IPE), Consejo Superior de Investigaciones Científicas [Madrid] (CSIC), University of Lisbon, Université de Leipzig, Westfälische Wilhelms-Universität Münster (WWU), Université de Lausanne (UNIL), University of Sassari, Biogéosciences [UMR 6282] [Dijon] (BGS), Université de Bourgogne (UB)-AgroSup Dijon - Institut National Supérieur des Sciences Agronomiques, de l'Alimentation et de l'Environnement-Centre National de la Recherche Scientifique (CNRS), Université de La Rochelle (ULR)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Institut National de la Recherche Agronomique (INRA)-Université de La Rochelle (ULR)-Centre National de la Recherche Scientifique (CNRS)-Institut National de la Recherche Agronomique (INRA)-Université de La Rochelle (ULR)-Centre National de la Recherche Scientifique (CNRS), Universiteit Gent = Ghent University (UGENT), Université de Rennes (UR)-Institut Ecologie et Environnement (INEE), Université de Rennes (UR)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Rennes 2 (UR2)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Rennes 2 (UR2)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Ecologie Fonctionnelle et Environnement (LEFE), Université de Toulouse (UT)-Université de Toulouse (UT)-Observatoire Midi-Pyrénées (OMP), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT), Institut National de la Recherche Agronomique (INRA)-École nationale supérieure agronomique de Toulouse (ENSAT), Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Université de Toulouse (UT), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-École Pratique des Hautes Études (EPHE), Laboratoire Chrono-environnement (UMR 6249) (LCE), Leopold Franzens Universität Innsbruck - University of Innsbruck, Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), Instituto Pirenaico de Ecologìa = Pyrenean Institute of Ecology [Zaragoza] (IPE - CSIC), Université de Rennes (UR), Université de Toulouse (UT)-Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS), Institut National de la Recherche Agronomique (INRA)-La Rochelle Université (ULR)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique - CNRS (FRANCE), Institut National Polytechnique de Toulouse - INPT (FRANCE), Institut National de la Recherche Agronomique - INRA (FRANCE), Université Toulouse III - Paul Sabatier - UT3 (FRANCE), Météo France (FRANCE), UCL - SST/ELI/ELIE - Environmental Sciences, Swiss Federal Institute for Forest, Snow and Avalanche Research WSL, Swedish University of Agricultural Sciences - Department of Forest Soils, Ghent University [Belgium] (UGENT), Université du Québec à Montréal (UQAM), Laboratoire d'Ecologie Alpine (LECA), Centre National de la Recherche Scientifique (CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Université Joseph Fourier - Grenoble 1 (UJF)-Université Grenoble Alpes (UGA), Spanish National Institute for Agriculture and Food Research and Technology (INIA), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Observatoire des Sciences de l'Univers de Rennes (OSUR)-Centre National de la Recherche Scientifique (CNRS), Science Politique Relations Internationales Territoire (SPIRIT), Université Montesquieu - Bordeaux 4-Institut d'Études Politiques [IEP] - Bordeaux-Centre National de la Recherche Scientifique (CNRS), Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Institut National de la Recherche Agronomique (INRA)-Ecole Nationale Supérieure Agronomique de Toulouse-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Bordeaux (UB)-Institut National de la Recherche Agronomique (INRA), University of Rostock [Germany], Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-École pratique des hautes études (EPHE)-Université de Montpellier (UM)-Institut de recherche pour le développement [IRD] : UR226-Centre National de la Recherche Scientifique (CNRS), Helmholtz Centre for Environmental Research (UFZ), Universiteit Gent [Ghent], Laboratoire de Comportement et d'Ecologie de la Faune Sauvage, INRA, 31326 Castanet-Tolosan cedex, France, Institut d'écologie et des sciences de l'environnement de Paris (IEES), Universidad de Puerto Rico, Centre Universitaire Polytechnique de Dédougou, Université de Ouagadougou, Instituto Pirenaico de Ecología, IPE-CSIC, University of Zürich [Zürich] (UZH), LTSER Zone Atelier du Bassin de la Moselle, Helmholtz Zentrum für Umweltforschung (UFZ), Institute of Terrestrial Ecosystems, University of Minnesota [Twin Cities], Centre National de la Recherche Scientifique (CNRS)-Institut National de la Recherche Agronomique (INRA)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-École Nationale des Travaux Publics de l'État (ENTPE), Université Catholique de Louvain (UCL), Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université d'Orléans (UO)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université d'Orléans (UO)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Institut national des sciences de l'Univers (INSU - CNRS)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS), PSL Research University (PSL)-PSL Research University (PSL)-Institut national des sciences de l'Univers (INSU - CNRS)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Bureau de Recherches Géologiques et Minières (BRGM) (BRGM)-Observatoire des Sciences de l'Univers en région Centre (OSUC), Centre National de la Recherche Scientifique (CNRS)-Université de Bourgogne (UB)-AgroSup Dijon - Institut National Supérieur des Sciences Agronomiques, de l'Alimentation et de l'Environnement, Hokkaido University, Technische Universität Dresden (TUD), Centre National de la Recherche Scientifique (CNRS)-Institut National de la Recherche Agronomique (INRA)-Université de La Rochelle (ULR), LTSER Zone Atelier Plaine & Val de Sèvre, Djukic I., Kepfer-Rojas S., Schmidt I.K., Larsen K.S., Beier C., Berg B., Verheyen K., Caliman A., Paquette A., Gutierrez-Giron A., Humber A., Valdecantos A., Petraglia A., Alexander H., Augustaitis A., Saillard A., Fernandez A.C.R., Sousa A.I., Lillebo A.I., da Rocha Gripp A., Francez A.-J., Fischer A., Bohner A., Malyshev A., Andric A., Smith A., Stanisci A., Seres A., Schmidt A., Avila A., Probst A., Ouin A., Khuroo A.A., Verstraeten A., Palabral-Aguilera A.N., Stefanski A., Gaxiola A., Muys B., Bosman B., Ahrends B., Parker B., Sattler B., Yang B., Jurani B., Erschbamer B., Ortiz C.E.R., Christiansen C.T., Carol Adair E., Meredieu C., Mony C., Nock C.A., Chen C.-L., Wang C.-P., Baum C., Rixen C., Delire C., Piscart C., Andrews C., Rebmann C., Branquinho C., Polyanskaya D., Delgado D.F., Wundram D., Radeideh D., Ordonez-Regil E., Crawford E., Preda E., Tropina E., Groner E., Lucot E., Hornung E., Gacia E., Levesque E., Benedito E., Davydov E.A., Ampoorter E., Bolzan F.P., Varela F., Kristofel F., Maestre F.T., Maunoury-Danger F., Hofhansl F., Kitz F., Sutter F., Cuesta F., de Almeida Lobo F., de Souza F.L., Berninger F., Zehetner F., Wohlfahrt G., Vourlitis G., Carreno-Rocabado G., Arena G., Pinha G.D., Gonzalez G., Canut G., Lee H., Verbeeck H., Auge H., Pauli H., Nacro H.B., Bahamonde H.A., Feldhaar H., Jager H., Serrano H.C., Verheyden H., Bruelheide H., Meesenburg H., Jungkunst H., Jactel H., Shibata H., Kurokawa H., Rosas H.L., Rojas Villalobos H.L., Yesilonis I., Melece I., Van Halder I., Quiros I.G., Makelele I., Senou I., Fekete I., Mihal I., Ostonen I., Borovska J., Roales J., Shoqeir J., Lata J.-C., Theurillat J.-P., Probst J.-L., Zimmerman J., Vijayanathan J., Tang J., Thompson J., Dolezal J., Sanchez-Cabeza J.-A., Merlet J., Henschel J., Neirynck J., Knops J., Loehr J., von Oppen J., Thorlaksdottir J.S., Loffler J., Cardoso-Mohedano J.-G., Benito-Alonso J.-L., Torezan J.M., Morina J.C., Jimenez J.J., Quinde J.D., Alatalo J., Seeber J., Stadler J., Kriiska K., Coulibaly K., Fukuzawa K., Szlavecz K., Gerhatova K., Lajtha K., Kappeler K., Jennings K.A., Tielborger K., Hoshizaki K., Green K., Ye L., Pazianoto L.H.R., Dienstbach L., Williams L., Yahdjian L., Brigham L.M., van den Brink L., Rustad L., Zhang L., Morillas L., Xiankai L., Carneiro L.S., Di Martino L., Villar L., Bader M.Y., Morley M., Lebouvier M., Tomaselli M., Sternberg M., Schaub M., Santos-Reis M., Glushkova M., Torres M.G.A., Giroux M.-A., de Graaff M.-A., Pons M.-N., Bauters M., Mazon M., Frenzel M., Didion M., Wagner M., Hamid M., Lopes M.L., Apple M., Schadler M., Weih M., Gualmini M., Vadeboncoeur M.A., Bierbaumer M., Danger M., Liddell M., Mirtl M., Scherer-Lorenzen M., Ruzek M., Carbognani M., Di Musciano M., Matsushita M., Zhiyanski M., Puscas M., Barna M., Ataka M., Jiangming M., Alsafran M., Carnol M., Barsoum N., Tokuchi N., Eisenhauer N., Lecomte N., Filippova N., Holzel N., Ferlian O., Romero O., Pinto O.B., Peri P., Weber P., Vittoz P., Turtureanu P.D., Fleischer P., Macreadie P., Haase P., Reich P., Petrik P., Choler P., Marmonier P., Muriel P., Ponette Q., Guariento R.D., Canessa R., Kiese R., Hewitt R., Ronn R., Adrian R., Kanka R., Weigel R., Gatti R.C., Martins R.L., Georges R., Meneses R.I., Gavilan R.G., Dasgupta S., Wittlinger S., Puijalon S., Freda S., Suzuki S., Charles S., Gogo S., Drollinger S., Mereu S., Wipf S., Trevathan-Tackett S., Lofgren S., Stoll S., Trogisch S., Hoeber S., Seitz S., Glatzel S., Milton S.J., Dousset S., Mori T., Sato T., Ise T., Hishi T., Kenta T., Nakaji T., Michelan T.S., Camboulive T., Mozdzer T.J., Scholten T., Spiegelberger T., Zechmeister T., Kleinebecker T., Hiura T., Enoki T., Ursu T.-M., di Cella U.M., Hamer U., Klaus V.H., Rego V.M., Di Cecco V., Busch V., Fontana V., Piscova V., Carbonell V., Ochoa V., Bretagnolle V., Maire V., Farjalla V., Zhou W., Luo W., McDowell W.H., Hu Y., Utsumi Y., Kominami Y., Zaika Y., Rozhkov Y., Kotroczo Z., Toth Z., and Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)

Subjects
DYNAMICS, 010504 meteorology & atmospheric sciences, Biome, Biochimie, Biologie Moléculaire, Carbon turnover, 01 natural sciences, CARBON, Waste Management and Disposal, ComputingMilieux_MISCELLANEOUS, CLIMATE-CHANGE, биомы, Tea bag, Green tea, Rooibos tea, Carbon turnover, TeaComposition initiative, 04 agricultural and veterinary sciences, Pollution, Environmental chemistry, [SDE]Environmental Sciences, Terrestrial ecosystem, Life Sciences & Biomedicine, Biologie, TRAITS, Rooibos tea, IMPACTS, Environmental Engineering, почвенные процессы, chemistry.chemical_element, Climate change, Environmental Sciences & Ecology, Ingénierie de l'environnement, Green tea, Tea bag, TeaComposition initiative, Ecology and Environment, Atmosphere, подстилки, Environmental Chemistry, Ecosystem, RATES, 0105 earth and related environmental sciences, оборот углерода, Science & Technology, Tea composition initiative, FEEDBACK, 15. Life on land, Decomposition, влияние климата, TERRESTRIAL ECOSYSTEMS, MODEL, экосистемы, chemistry, 13. Climate action, PATTERNS, 040103 agronomy & agriculture, Litter, 0401 agriculture, forestry, and fisheries, Environmental science, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, 500 Naturwissenschaften und Mathematik::570 Biowissenschaften, Biologie::577 Ökologie, Carbon, Environmental Sciences
Abstract

Through litter decomposition enormous amounts of carbon is emitted to the atmosphere. Numerous large-scale decomposition experiments have been conducted focusing on this fundamental soil process in order to understand the controls on the terrestrial carbon transfer to the atmosphere. However, previous studies were mostly based on site-specific litter and methodologies, adding major uncertainty to syntheses, comparisons and meta-analyses across different experiments and sites. In the TeaComposition initiative, the potential litter decomposition is investigated by using standardized substrates (Rooibos and Green tea) for comparison of litter mass loss at 336 sites (ranging from -9 to +26 °C MAT and from 60 to 3113 mm MAP) across different ecosystems. In this study we tested the effect of climate (temperature and moisture), litter type and land-use on early stage decomposition (3 months) across nine biomes. We show that litter quality was the predominant controlling factor in early stage litter decomposition, which explained about 65% of the variability in litter decomposition at a global scale. The effect of climate, on the other hand, was not litter specific and explained

Published
2018

39. Author Correction: Widening global variability in grassland biomass since the 1980s.

Author

MacDougall AS, Esch E, Chen Q, Carroll O, Bonner C, Ohlert T, Siewert M, Sulik J, Schweiger AK, Borer ET, Naidu D, Bagchi S, Hautier Y, Wilfahrt P, Larson K, Olofsson J, Cleland E, Muthukrishnan R, O'Halloran L, Alberti J, Anderson TM, Arnillas CA, Bakker JD, Barrio IC, Biederman L, Boughton EH, Brudvig LA, Bruschetti M, Buckley Y, Bugalho MN, Cadotte MW, Caldeira MC, Catford JA, D'Antonio C, Davies K, Daleo P, Dickman CR, Donohue I, DuPre ME, Elgersma K, Eisenhauer N, Eskelinen A, Estrada C, Fay PA, Feng Y, Gruner DS, Hagenah N, Haider S, Harpole WS, Hersch-Green E, Jentsch A, Kirkman K, Knops JMH, Laanisto L, Lannes LS, Laungani R, Lkhagva A, Macek P, Martina JP, McCulley RL, Melbourne B, Mitchell R, Moore JL, Morgan JW, Muraina TO, Niu Y, Pärtel M, Peri PL, Power SA, Price JN, Prober SM, Ren Z, Risch AC, Smith NG, Sonnier G, Standish RJ, Stevens CJ, Tedder M, Tognetti P, Veen GFC, Virtanen R, Wardle GM, Waring E, Wolf AA, Yahdjian L, and Seabloom EW

Published
2024
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40. Widening global variability in grassland biomass since the 1980s.

Author

MacDougall AS, Esch E, Chen Q, Carroll O, Bonner C, Ohlert T, Siewert M, Sulik J, Schweiger AK, Borer ET, Naidu D, Bagchi S, Hautier Y, Wilfahrt P, Larson K, Olofsson J, Cleland E, Muthukrishnan R, O'Halloran L, Alberti J, Anderson TM, Arnillas CA, Bakker JD, Barrio IC, Biederman L, Boughton EH, Brudvig LA, Bruschetti M, Buckley Y, Bugalho MN, Cadotte MW, Caldeira MC, Catford JA, D'Antonio C, Davies K, Daleo P, Dickman CR, Donohue I, DuPre ME, Elgersma K, Eisenhauer N, Eskelinen A, Estrada C, Fay PA, Feng Y, Gruner DS, Hagenah N, Haider S, Harpole WS, Hersch-Green E, Jentsch A, Kirkman K, Knops JMH, Laanisto L, Lannes LS, Laungani R, Lkhagva A, Macek P, Martina JP, McCulley RL, Melbourne B, Mitchell R, Moore JL, Morgan JW, Muraina TO, Niu Y, Pärtel M, Peri PL, Power SA, Price JN, Prober SM, Ren Z, Risch AC, Smith NG, Sonnier G, Standish RJ, Stevens CJ, Tedder M, Tognetti P, Veen GFC, Virtanen R, Wardle GM, Waring E, Wolf AA, Yahdjian L, and Seabloom EW

Subjects
Climate Change, Seasons, Biodiversity, Grassland, Biomass
Abstract

Global change is associated with variable shifts in the annual production of aboveground plant biomass, suggesting localized sensitivities with unclear causal origins. Combining remotely sensed normalized difference vegetation index data since the 1980s with contemporary field data from 84 grasslands on 6 continents, we show a widening divergence in site-level biomass ranging from +51% to -34% globally. Biomass generally increased in warmer, wetter and species-rich sites with longer growing seasons and declined in species-poor arid areas. Phenological changes were widespread, revealing substantive transitions in grassland seasonal cycling. Grazing, nitrogen deposition and plant invasion were prevalent in some regions but did not predict overall trends. Grasslands are undergoing sizable changes in production, with implications for food security, biodiversity and carbon storage especially in arid regions where declines are accelerating., (© 2024. The Author(s), under exclusive licence to Springer Nature Limited.)

Published
2024
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41. The spatiotemporal stability of plant diversity is disconnected from biomass stability in response to human activities in a South American temperate grassland.

Author

Campana S, Tognetti PM, Alberti J, Graff P, Molina CD, Silvoso MC, and Yahdjian L

Subjects
Plants, Argentina, Human Activities, Environmental Monitoring, Humans, Grassland, Biomass, Biodiversity
Abstract

Human activities alter biomass, nutrient availability, and species dominance in grasslands, impacting their richness, composition, and biomass production. Stability (invariability in time or space) can inform the predictability of plant communities in response to human activities. However, this measure has been simplistically analyzed for temporal (interannual) changes in live biomass, disregarding their spatial stability and the temporal stability of other plant community attributes. Moreover, the simultaneous analysis of temporal and spatial stabilities of plant communities has been scarcely assessed. Here, we test how biomass removal and nutrient addition simultaneously modify the temporal and spatial stabilities of plant richness (α diversity), composition dissimilarity (β diversity), aboveground live biomass, and the role of plant species dominance in the stability responses. We conducted a factorial experiment of biomass removal (grazing, mowing, or intact -no removal-) and nutrient addition (unfertilized or fertilized with nitrogen, phosphorus, and potassium) in a temperate grassland of Argentina, South America. We replicated the experiment in 6 blocks over 10 years to estimate the temporal and spatial stabilities of the plant community. The spatiotemporal stability of plant richness and composition dissimilarity decreased in the intact grassland, while the temporal stability of live biomass increased, compared to the grazed and mowed grasslands. Nutrient addition reduced the spatiotemporal stability of live biomass and the spatial stability of plant richness. The stabilities of species richness as well as that of composition dissimilarity were negatively associated with plant dominance, while the live biomass stability was not. Our results suggest that simplifying the effect of biomass removal and nutrient addition on grassland stability is not feasible, as plant diversity stability responses are not surrogates for biomass stability. The contrasting spatiotemporal stability responses of plant diversity and biomass represent a step forward in predicting human activities' impact over time and across space in temperate grasslands., Competing Interests: Declaration of competing interest All authors declare that they have no conflict of interest., (Copyright © 2024 Elsevier B.V. All rights reserved.)

Published
2024
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42. Unforeseen plant phenotypic diversity in a dry and grazed world.

Author

Gross N, Maestre FT, Liancourt P, Berdugo M, Martin R, Gozalo B, Ochoa V, Delgado-Baquerizo M, Maire V, Saiz H, Soliveres S, Valencia E, Eldridge DJ, Guirado E, Jabot F, Asensio S, Gaitán JJ, García-Gómez M, Martínez P, Martínez-Valderrama J, Mendoza BJ, Moreno-Jiménez E, Pescador DS, Plaza C, Pijuan IS, Abedi M, Ahumada RJ, Amghar F, Arroyo AI, Bahalkeh K, Bailey L, Ben Salem F, Blaum N, Boldgiv B, Bowker MA, Branquinho C, van den Brink L, Bu C, Canessa R, Castillo-Monroy ADP, Castro H, Castro P, Chibani R, Conceição AA, Darrouzet-Nardi A, Davila YC, Deák B, Donoso DA, Durán J, Espinosa C, Fajardo A, Farzam M, Ferrante D, Franzese J, Fraser L, Gonzalez S, Gusman-Montalvan E, Hernández-Hernández RM, Hölzel N, Huber-Sannwald E, Jadan O, Jeltsch F, Jentsch A, Ju M, Kaseke KF, Kindermann L, le Roux P, Linstädter A, Louw MA, Mabaso M, Maggs-Kölling G, Makhalanyane TP, Issa OM, Manzaneda AJ, Marais E, Margerie P, Hughes FM, Messeder JVS, Mora JP, Moreno G, Munson SM, Nunes A, Oliva G, Oñatibia GR, Peter G, Pueyo Y, Quiroga RE, Ramírez-Iglesias E, Reed SC, Rey PJ, Reyes Gómez VM, Rodríguez A, Rolo V, Rubalcaba JG, Ruppert JC, Sala O, Salah A, Sebei PJ, Stavi I, Stephens C, Teixido AL, Thomas AD, Throop HL, Tielbörger K, Travers S, Undrakhbold S, Val J, Valkó O, Velbert F, Wamiti W, Wang L, Wang D, Wardle GM, Wolff P, Yahdjian L, Yari R, Zaady E, Zeberio JM, Zhang Y, Zhou X, and Le Bagousse-Pinguet Y

Subjects
Animals, Climate Change, Geographic Mapping, Biodiversity, Desert Climate, Herbivory physiology, Livestock physiology, Phenotype, Plants chemistry, Plants classification
Abstract

Earth harbours an extraordinary plant phenotypic diversity 1 that is at risk from ongoing global changes 2,3 . However, it remains unknown how increasing aridity and livestock grazing pressure-two major drivers of global change 4-6 -shape the trait covariation that underlies plant phenotypic diversity 1,7 . Here we assessed how covariation among 20 chemical and morphological traits responds to aridity and grazing pressure within global drylands. Our analysis involved 133,769 trait measurements spanning 1,347 observations of 301 perennial plant species surveyed across 326 plots from 6 continents. Crossing an aridity threshold of approximately 0.7 (close to the transition between semi-arid and arid zones) led to an unexpected 88% increase in trait diversity. This threshold appeared in the presence of grazers, and moved toward lower aridity levels with increasing grazing pressure. Moreover, 57% of observed trait diversity occurred only in the most arid and grazed drylands, highlighting the phenotypic uniqueness of these extreme environments. Our work indicates that drylands act as a global reservoir of plant phenotypic diversity and challenge the pervasive view that harsh environmental conditions reduce plant trait diversity 8-10 . They also highlight that many alternative strategies may enable plants to cope with increases in environmental stress induced by climate change and land-use intensification., (© 2024. The Author(s), under exclusive licence to Springer Nature Limited.)

Published
2024
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43. Reading tea leaves worldwide: Decoupled drivers of initial litter decomposition mass-loss rate and stabilization.

Author

Sarneel JM, Hefting MM, Sandén T, van den Hoogen J, Routh D, Adhikari BS, Alatalo JM, Aleksanyan A, Althuizen IHJ, Alsafran MHSA, Atkins JW, Augusto L, Aurela M, Azarov AV, Barrio IC, Beier C, Bejarano MD, Benham SE, Berg B, Bezler NV, Björnsdóttir K, Bolinder MA, Carbognani M, Cazzolla Gatti R, Chelli S, Chistotin MV, Christiansen CT, Courtois P, Crowther TW, Dechoum MS, Djukic I, Duddigan S, Egerton-Warburton LM, Fanin N, Fantappiè M, Fares S, Fernandes GW, Filippova NV, Fliessbach A, Fuentes D, Godoy R, Grünwald T, Guzmán G, Hawes JE, He Y, Hero JM, Hess LL, Hogendoorn K, Høye TT, Jans WWP, Jónsdóttir IS, Keller S, Kepfer-Rojas S, Kuz'menko NN, Larsen KS, Laudon H, Lembrechts JJ, Li J, Limousin JM, Lukin SM, Marques R, Marín C, McDaniel MD, Meek Q, Merzlaya GE, Michelsen A, Montagnani L, Mueller P, Murugan R, Myers-Smith IH, Nolte S, Ochoa-Hueso R, Okafor BN, Okorkov VV, Onipchenko VG, Orozco MC, Parkhurst T, Peres CA, Petit Bon M, Petraglia A, Pingel M, Rebmann C, Scheffers BR, Schmidt I, Scholes MC, Sheffer E, Shevtsova LK, Smith SW, Sofo A, Stevenson PR, Strouhalová B, Sundsdal A, Sühs RB, Tamene G, Thomas HJD, Tolunay D, Tomaselli M, Tresch S, Tucker DL, Ulyshen MD, Valdecantos A, Vandvik V, Vanguelova EI, Verheyen K, Wang X, Yahdjian L, Yumashev XS, and Keuskamp JA

Subjects
Carbon Cycle, Carbon metabolism, Plant Leaves
Abstract

The breakdown of plant material fuels soil functioning and biodiversity. Currently, process understanding of global decomposition patterns and the drivers of such patterns are hampered by the lack of coherent large-scale datasets. We buried 36,000 individual litterbags (tea bags) worldwide and found an overall negative correlation between initial mass-loss rates and stabilization factors of plant-derived carbon, using the Tea Bag Index (TBI). The stabilization factor quantifies the degree to which easy-to-degrade components accumulate during early-stage decomposition (e.g. by environmental limitations). However, agriculture and an interaction between moisture and temperature led to a decoupling between initial mass-loss rates and stabilization, notably in colder locations. Using TBI improved mass-loss estimates of natural litter compared to models that ignored stabilization. Ignoring the transformation of dead plant material to more recalcitrant substances during early-stage decomposition, and the environmental control of this transformation, could overestimate carbon losses during early decomposition in carbon cycle models., (© 2024 The Authors. Ecology Letters published by John Wiley & Sons Ltd.)

Published
2024
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44. Hotspots of biogeochemical activity linked to aridity and plant traits across global drylands.

Author

Eldridge DJ, Ding J, Dorrough J, Delgado-Baquerizo M, Sala O, Gross N, Le Bagousse-Pinguet Y, Mallen-Cooper M, Saiz H, Asensio S, Ochoa V, Gozalo B, Guirado E, García-Gómez M, Valencia E, Martínez-Valderrama J, Plaza C, Abedi M, Ahmadian N, Ahumada RJ, Alcántara JM, Amghar F, Azevedo L, Ben Salem F, Berdugo M, Blaum N, Boldgiv B, Bowker M, Bran D, Bu C, Canessa R, Castillo-Monroy AP, Castro I, Castro-Quezada P, Cesarz S, Chibani R, Conceição AA, Darrouzet-Nardi A, Davila YC, Deák B, Díaz-Martínez P, Donoso DA, Dougill AD, Durán J, Eisenhauer N, Ejtehadi H, Espinosa CI, Fajardo A, Farzam M, Foronda A, Franzese J, Fraser LH, Gaitán J, Geissler K, Gonzalez SL, Gusman-Montalvan E, Hernández RM, Hölzel N, Hughes FM, Jadan O, Jentsch A, Ju M, Kaseke KF, Köbel M, Lehmann A, Liancourt P, Linstädter A, Louw MA, Ma Q, Mabaso M, Maggs-Kölling G, Makhalanyane TP, Issa OM, Marais E, McClaran M, Mendoza B, Mokoka V, Mora JP, Moreno G, Munson S, Nunes A, Oliva G, Oñatibia GR, Osborne B, Peter G, Pierre M, Pueyo Y, Emiliano Quiroga R, Reed S, Rey A, Rey P, Gómez VMR, Rolo V, Rillig MC, le Roux PC, Ruppert JC, Salah A, Sebei PJ, Sharkhuu A, Stavi I, Stephens C, Teixido AL, Thomas AD, Tielbörger K, Robles ST, Travers S, Valkó O, van den Brink L, Velbert F, von Heßberg A, Wamiti W, Wang D, Wang L, Wardle GM, Yahdjian L, Zaady E, Zhang Y, Zhou X, and Maestre FT

Subjects
Plants, Ecosystem, Desert Climate, Animals, Herbivory, Soil chemistry
Abstract

Perennial plants create productive and biodiverse hotspots, known as fertile islands, beneath their canopies. These hotspots largely determine the structure and functioning of drylands worldwide. Despite their ubiquity, the factors controlling fertile islands under conditions of contrasting grazing by livestock, the most prevalent land use in drylands, remain virtually unknown. Here we evaluated the relative importance of grazing pressure and herbivore type, climate and plant functional traits on 24 soil physical and chemical attributes that represent proxies of key ecosystem services related to decomposition, soil fertility, and soil and water conservation. To do this, we conducted a standardized global survey of 288 plots at 88 sites in 25 countries worldwide. We show that aridity and plant traits are the major factors associated with the magnitude of plant effects on fertile islands in grazed drylands worldwide. Grazing pressure had little influence on the capacity of plants to support fertile islands. Taller and wider shrubs and grasses supported stronger island effects. Stable and functional soils tended to be linked to species-rich sites with taller plants. Together, our findings dispel the notion that grazing pressure or herbivore type are linked to the formation or intensification of fertile islands in drylands. Rather, our study suggests that changes in aridity, and processes that alter island identity and therefore plant traits, will have marked effects on how perennial plants support and maintain the functioning of drylands in a more arid and grazed world., (© 2024. The Author(s), under exclusive licence to Springer Nature Limited.)

Published
2024
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45. Author Correction: Hotspots of biogeochemical activity linked to aridity and plant traits across global drylands.

Author

Eldridge DJ, Ding J, Dorrough J, Delgado-Baquerizo M, Sala O, Gross N, Le Bagousse-Pinguet Y, Mallen-Cooper M, Saiz H, Asensio S, Ochoa V, Gozalo B, Guirado E, García-Gómez M, Valencia E, Martínez-Valderrama J, Plaza C, Abedi M, Ahmadian N, Ahumada RJ, Alcántara JM, Amghar F, Azevedo L, Ben Salem F, Berdugo M, Blaum N, Boldgiv B, Bowker M, Bran D, Bu C, Canessa R, Castillo-Monroy AP, Castro I, Castro-Quezada P, Cesarz S, Chibani R, Conceição AA, Darrouzet-Nardi A, Davila YC, Deák B, Díaz-Martínez P, Donoso DA, Dougill AD, Durán J, Eisenhauer N, Ejtehadi H, Espinosa CI, Fajardo A, Farzam M, Foronda A, Franzese J, Fraser LH, Gaitán J, Geissler K, Gonzalez SL, Gusman-Montalvan E, Hernández RM, Hölzel N, Hughes FM, Jadan O, Jentsch A, Ju M, Kaseke KF, Köbel M, Lehmann A, Liancourt P, Linstädter A, Louw MA, Ma Q, Mabaso M, Maggs-Kölling G, Makhalanyane TP, Issa OM, Marais E, McClaran M, Mendoza B, Mokoka V, Mora JP, Moreno G, Munson S, Nunes A, Oliva G, Oñatibia GR, Osborne B, Peter G, Pierre M, Pueyo Y, Emiliano Quiroga R, Reed S, Rey A, Rey P, Gómez VMR, Rolo V, Rillig MC, le Roux PC, Ruppert JC, Salah A, Sebei PJ, Sharkhuu A, Stavi I, Stephens C, Teixido AL, Thomas AD, Tielbörger K, Robles ST, Travers S, Valkó O, van den Brink L, Velbert F, von Heßberg A, Wamiti W, Wang D, Wang L, Wardle GM, Yahdjian L, Zaady E, Zhang Y, Zhou X, and Maestre FT

Published
2024
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46. Extreme drought impacts have been underestimated in grasslands and shrublands globally.

Author

Smith MD, Wilkins KD, Holdrege MC, Wilfahrt P, Collins SL, Knapp AK, Sala OE, Dukes JS, Phillips RP, Yahdjian L, Gherardi LA, Ohlert T, Beier C, Fraser LH, Jentsch A, Loik ME, Maestre FT, Power SA, Yu Q, Felton AJ, Munson SM, Luo Y, Abdoli H, Abedi M, Alados CL, Alberti J, Alon M, An H, Anacker B, Anderson M, Auge H, Bachle S, Bahalkeh K, Bahn M, Batbaatar A, Bauerle T, Beard KH, Behn K, Beil I, Biancari L, Blindow I, Bondaruk VF, Borer ET, Bork EW, Bruschetti CM, Byrne KM, Cahill JF Jr, Calvo DA, Carbognani M, Cardoni A, Carlyle CN, Castillo-Garcia M, Chang SX, Chieppa J, Cianciaruso MV, Cohen O, Cordeiro AL, Cusack DF, Dahlke S, Daleo P, D'Antonio CM, Dietterich LH, S Doherty T, Dubbert M, Ebeling A, Eisenhauer N, Fischer FM, Forte TGW, Gebauer T, Gozalo B, Greenville AC, Guidoni-Martins KG, Hannusch HJ, Vatsø Haugum S, Hautier Y, Hefting M, Henry HAL, Hoss D, Ingrisch J, Iribarne O, Isbell F, Johnson Y, Jordan S, Kelly EF, Kimmel K, Kreyling J, Kröel-Dulay G, Kröpfl A, Kübert A, Kulmatiski A, Lamb EG, Larsen KS, Larson J, Lawson J, Leder CV, Linstädter A, Liu J, Liu S, Lodge AG, Longo G, Loydi A, Luan J, Curtis Lubbe F, Macfarlane C, Mackie-Haas K, Malyshev AV, Maturano-Ruiz A, Merchant T, Metcalfe DB, Mori AS, Mudongo E, Newman GS, Nielsen UN, Nimmo D, Niu Y, Nobre P, O'Connor RC, Ogaya R, Oñatibia GR, Orbán I, Osborne B, Otfinowski R, Pärtel M, Penuelas J, Peri PL, Peter G, Petraglia A, Picon-Cochard C, Pillar VD, Piñeiro-Guerra JM, Ploughe LW, Plowes RM, Portales-Reyes C, Prober SM, Pueyo Y, Reed SC, Ritchie EG, Rodríguez DA, Rogers WE, Roscher C, Sánchez AM, Santos BA, Cecilia Scarfó M, Seabloom EW, Shi B, Souza L, Stampfli A, Standish RJ, Sternberg M, Sun W, Sünnemann M, Tedder M, Thorvaldsen P, Tian D, Tielbörger K, Valdecantos A, van den Brink L, Vandvik V, Vankoughnett MR, Guri Velle L, Wang C, Wang Y, Wardle GM, Werner C, Wei C, Wiehl G, Williams JL, Wolf AA, Zeiter M, Zhang F, Zhu J, Zong N, and Zuo X

Subjects
Grassland, Carbon Cycle, Climate Change, Receptor Protein-Tyrosine Kinases, Droughts, Ecosystem
Abstract

Climate change is increasing the frequency and severity of short-term (~1 y) drought events-the most common duration of drought-globally. Yet the impact of this intensification of drought on ecosystem functioning remains poorly resolved. This is due in part to the widely disparate approaches ecologists have employed to study drought, variation in the severity and duration of drought studied, and differences among ecosystems in vegetation, edaphic and climatic attributes that can mediate drought impacts. To overcome these problems and better identify the factors that modulate drought responses, we used a coordinated distributed experiment to quantify the impact of short-term drought on grassland and shrubland ecosystems. With a standardized approach, we imposed ~a single year of drought at 100 sites on six continents. Here we show that loss of a foundational ecosystem function-aboveground net primary production (ANPP)-was 60% greater at sites that experienced statistically extreme drought (1-in-100-y event) vs. those sites where drought was nominal (historically more common) in magnitude (35% vs. 21%, respectively). This reduction in a key carbon cycle process with a single year of extreme drought greatly exceeds previously reported losses for grasslands and shrublands. Our global experiment also revealed high variability in drought response but that relative reductions in ANPP were greater in drier ecosystems and those with fewer plant species. Overall, our results demonstrate with unprecedented rigor that the global impacts of projected increases in drought severity have been significantly underestimated and that drier and less diverse sites are likely to be most vulnerable to extreme drought., Competing Interests: Competing interests statement:The authors declare no competing interest.

Published
2024
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47. The positive effect of plant diversity on soil carbon depends on climate.

Author

Spohn M, Bagchi S, Biederman LA, Borer ET, Bråthen KA, Bugalho MN, Caldeira MC, Catford JA, Collins SL, Eisenhauer N, Hagenah N, Haider S, Hautier Y, Knops JMH, Koerner SE, Laanisto L, Lekberg Y, Martina JP, Martinson H, McCulley RL, Peri PL, Macek P, Power SA, Risch AC, Roscher C, Seabloom EW, Stevens C, Veen GFC, Virtanen R, and Yahdjian L

Subjects
Carbon, Biodiversity, Biomass, Plants, Nitrogen, Ecosystem, Soil
Abstract

Little is currently known about how climate modulates the relationship between plant diversity and soil organic carbon and the mechanisms involved. Yet, this knowledge is of crucial importance in times of climate change and biodiversity loss. Here, we show that plant diversity is positively correlated with soil carbon content and soil carbon-to-nitrogen ratio across 84 grasslands on six continents that span wide climate gradients. The relationships between plant diversity and soil carbon as well as plant diversity and soil organic matter quality (carbon-to-nitrogen ratio) are particularly strong in warm and arid climates. While plant biomass is positively correlated with soil carbon, plant biomass is not significantly correlated with plant diversity. Our results indicate that plant diversity influences soil carbon storage not via the quantity of organic matter (plant biomass) inputs to soil, but through the quality of organic matter. The study implies that ecosystem management that restores plant diversity likely enhances soil carbon sequestration, particularly in warm and arid climates., (© 2023. Springer Nature Limited.)

Published
2023
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48. Environmental factors regulate soil microbial attributes and their response to drought in rangeland ecosystems.

Author

Toledo S, Bondaruk VF, Yahdjian L, Oñatibia GR, Loydi A, Alberti J, Bruschetti M, Pascual J, Peter G, Agüero WD, Namur PR, Blanco L, and Peri PL

Subjects
Droughts, Carbon, Soil Microbiology, Biomass, Nitrogen analysis, Ecosystem, Soil chemistry
Abstract

In ecosystems, soil microbial variables characterization are used to determine soil biological health and the response of soils to environmental stress. Although there are strong associations between plants and soil microorganisms, they may respond asynchronously to environmental factors and severe droughts. We aimed to: I) evaluate the special variation of soil microbiome such as microbial biomass carbon (MBC) and nitrogen (MBN), soil basal respiration (SBR) and microbial indexes in eight rangeland sites located across an aridity gradient (distributed from arid to mesic climates); II) analyze the relative importance of main environmental factors (climate, soils, and plants) and their relationships with microbial variables in the rangelands; and III) assess the effect of drought on microbial and plant variables in field-based manipulative experiments. First, we found significant changes of microbial variables along a precipitation and temperature gradient. The responses of MBC and MBN were strongly dependent on soil pH, soil nitrogen (N), soil organic carbon (SOC), C:N ratio and vegetation cover. In contrast, SBR was influenced by the aridity index (AI), the mean annual precipitation (MAP), the soil pH and vegetation cover. MBC, MBN and SBR were negatively related with soil pH compared to the other factors (C, N, C:N, vegetation cover, MAP and AI) that had a positive relationship. Second, we found a stronger soil microbial variables response to drought in arid sites compared to humid rangelands. Third, the responses of MBC, MBN, and SBR to drought showed positive relationships with vegetation cover and aboveground biomass, but with different regression slopes, this suggest that plant and microbial communities responded differently to drought. The results from this study improve our understanding about the microbial response to drought in different rangelands, and may facilitate the development of predictive models on responses of soil microorganisms in carbon cycle under global change scenarios., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2023 Elsevier B.V. All rights reserved.)

Published
2023
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49. Are service crops an alternative for mitigating N 2 O emissions in soybean crops in the Argentinian Pampas?

Author

Petrasek MR, Piñeiro G, Bonvecchi VE, and Yahdjian L

Subjects
Agriculture methods, Crops, Agricultural, Nitrogen analysis, Nitrous Oxide analysis, Soil, Ecosystem, Glycine max
Abstract

Service crops (or cover crops) play an important role in simplified agricultural systems. Service crops reduce agricultural external inputs and increase ecosystem services but their ability to mitigate nitrous oxide (N 2 O) emissions is still uncertain. The main objective of this study was to evaluate N 2 O emissions in soybean-soybean (Glycine max [L.] Merr) rotations that included different service crops. Treatments included continuous soybean with winter fallow and soybean with three service crops: oat (Avena sativa L.), vetch (Vicia villosa Roth.), and a mixture of oat and vetch in a randomized complete block design. Service crops were sown 2 months after soybean harvest and were terminated 2 months before soybean planting. Nitrous oxide emissions were determined during the fourth year of the field experiment. We found that service crops did not significantly affect overall mean N 2 O emission rates, with mean emission rates from the fallow, oat, vetch, and oat-vetch treatments of 1.82 ± 0.35, 1.95 ± 0.34, 2.71 ± 0.43, and 2.42 ± 0.42 kg N 2 O-N ha -1 per year, respectively. Service crops with low C/N ratios (vetch and oat-vetch mixtures) significantly increased N 2 O emissions in spring, after their termination. Overall, soil inorganic N content (NO 3 - or NH 4 + ) was the main driver that explained the N 2 O emissions from different treatments, whereas water-filled pore space controlled the temporal variability of emissions. Our results suggest that service crops with a very short growing season may increase soil N availability for cash crops, but do not reduce N 2 O emissions due to long periods of high N availability without crops., (© 2022 The Authors. Journal of Environmental Quality © 2022 American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.)

Published
2023
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50. Grazing and ecosystem service delivery in global drylands.

Author

Maestre FT, Le Bagousse-Pinguet Y, Delgado-Baquerizo M, Eldridge DJ, Saiz H, Berdugo M, Gozalo B, Ochoa V, Guirado E, García-Gómez M, Valencia E, Gaitán JJ, Asensio S, Mendoza BJ, Plaza C, Díaz-Martínez P, Rey A, Hu HW, He JZ, Wang JT, Lehmann A, Rillig MC, Cesarz S, Eisenhauer N, Martínez-Valderrama J, Moreno-Jiménez E, Sala O, Abedi M, Ahmadian N, Alados CL, Aramayo V, Amghar F, Arredondo T, Ahumada RJ, Bahalkeh K, Ben Salem F, Blaum N, Boldgiv B, Bowker MA, Bran D, Bu C, Canessa R, Castillo-Monroy AP, Castro H, Castro I, Castro-Quezada P, Chibani R, Conceição AA, Currier CM, Darrouzet-Nardi A, Deák B, Donoso DA, Dougill AJ, Durán J, Erdenetsetseg B, Espinosa CI, Fajardo A, Farzam M, Ferrante D, Frank ASK, Fraser LH, Gherardi LA, Greenville AC, Guerra CA, Gusmán-Montalvan E, Hernández-Hernández RM, Hölzel N, Huber-Sannwald E, Hughes FM, Jadán-Maza O, Jeltsch F, Jentsch A, Kaseke KF, Köbel M, Koopman JE, Leder CV, Linstädter A, le Roux PC, Li X, Liancourt P, Liu J, Louw MA, Maggs-Kölling G, Makhalanyane TP, Issa OM, Manzaneda AJ, Marais E, Mora JP, Moreno G, Munson SM, Nunes A, Oliva G, Oñatibia GR, Peter G, Pivari MOD, Pueyo Y, Quiroga RE, Rahmanian S, Reed SC, Rey PJ, Richard B, Rodríguez A, Rolo V, Rubalcaba JG, Ruppert JC, Salah A, Schuchardt MA, Spann S, Stavi I, Stephens CRA, Swemmer AM, Teixido AL, Thomas AD, Throop HL, Tielbörger K, Travers S, Val J, Valkó O, van den Brink L, Ayuso SV, Velbert F, Wamiti W, Wang D, Wang L, Wardle GM, Yahdjian L, Zaady E, Zhang Y, Zhou X, Singh BK, and Gross N

Subjects
Climate Change, Soil, Biodiversity, Herbivory, Livestock
Abstract

Grazing represents the most extensive use of land worldwide. Yet its impacts on ecosystem services remain uncertain because pervasive interactions between grazing pressure, climate, soil properties, and biodiversity may occur but have never been addressed simultaneously. Using a standardized survey at 98 sites across six continents, we show that interactions between grazing pressure, climate, soil, and biodiversity are critical to explain the delivery of fundamental ecosystem services across drylands worldwide. Increasing grazing pressure reduced ecosystem service delivery in warmer and species-poor drylands, whereas positive effects of grazing were observed in colder and species-rich areas. Considering interactions between grazing and local abiotic and biotic factors is key for understanding the fate of dryland ecosystems under climate change and increasing human pressure.

Published
2022
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