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1. Widening global variability in grassland biomass since the 1980s

Author

MacDougall, Andrew S., Esch, Ellen, Chen, Qingqing, Carroll, Oliver, Bonner, Colin, Ohlert, Timothy, Siewert, Matthias, Sulik, John, Schweiger, Anna K., Borer, Elizabeth T., Naidu, Dilip, Bagchi, Sumanta, Hautier, Yann, Wilfahrt, Peter, Larson, Keith, Olofsson, Johan, Cleland, Elsa, Muthukrishnan, Ranjan, O’Halloran, Lydia, Alberti, Juan, Anderson, T. Michael, Arnillas, Carlos A., Bakker, Jonathan D., Barrio, Isabel C., Biederman, Lori, Boughton, Elizabeth H., Brudvig, Lars A., Bruschetti, Martin, Buckley, Yvonne, Bugalho, Miguel N., Cadotte, Marc W., Caldeira, Maria C., Catford, Jane A., D’Antonio, Carla, Davies, Kendi, Daleo, Pedro, Dickman, Christopher R., Donohue, Ian, DuPre, Mary Ellyn, Elgersma, Kenneth, Eisenhauer, Nico, Eskelinen, Anu, Estrada, Catalina, Fay, Philip A., Feng, Yanhao, Gruner, Daniel S., Hagenah, Nicole, Haider, Sylvia, Harpole, W. Stanley, Hersch-Green, Erika, Jentsch, Anke, Kirkman, Kevin, Knops, Johannes M. H., Laanisto, Lauri, Lannes, Lucíola S., Laungani, Ramesh, Lkhagva, Ariuntsetseg, Macek, Petr, Martina, Jason P., McCulley, Rebecca L., Melbourne, Brett, Mitchell, Rachel, Moore, Joslin L., Morgan, John W., Muraina, Taofeek O., Niu, Yujie, Pärtel, Meelis, Peri, Pablo L., Power, Sally A., Price, Jodi N., Prober, Suzanne M., Ren, Zhengwei, Risch, Anita C., Smith, Nicholas G., Sonnier, Grégory, Standish, Rachel J., Stevens, Carly J., Tedder, Michelle, Tognetti, Pedro, Veen, G. F. (Ciska), Virtanen, Risto, Wardle, Glenda M., Waring, Elizabeth, Wolf, Amelia A., Yahdjian, Laura, and Seabloom, Eric W.

Published
2024
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2. Author Correction: Widening global variability in grassland biomass since the 1980s

Author

MacDougall, Andrew S., Esch, Ellen, Chen, Qingqing, Carroll, Oliver, Bonner, Colin, Ohlert, Timothy, Siewert, Matthias, Sulik, John, Schweiger, Anna K., Borer, Elizabeth T., Naidu, Dilip, Bagchi, Sumanta, Hautier, Yann, Wilfahrt, Peter, Larson, Keith, Olofsson, Johan, Cleland, Elsa, Muthukrishnan, Ranjan, O’Halloran, Lydia, Alberti, Juan, Anderson, T. Michael, Arnillas, Carlos A., Bakker, Jonathan D., Barrio, Isabel C., Biederman, Lori, Boughton, Elizabeth H., Brudvig, Lars A., Bruschetti, Martin, Buckley, Yvonne, Bugalho, Miguel N., Cadotte, Marc W., Caldeira, Maria C., Catford, Jane A., D’Antonio, Carla, Davies, Kendi, Daleo, Pedro, Dickman, Christopher R., Donohue, Ian, DuPre, Mary Ellyn, Elgersma, Kenneth, Eisenhauer, Nico, Eskelinen, Anu, Estrada, Catalina, Fay, Philip A., Feng, Yanhao, Gruner, Daniel S., Hagenah, Nicole, Haider, Sylvia, Harpole, W. Stanley, Hersch-Green, Erika, Jentsch, Anke, Kirkman, Kevin, Knops, Johannes M. H., Laanisto, Lauri, Lannes, Lucíola S., Laungani, Ramesh, Lkhagva, Ariuntsetseg, Macek, Petr, Martina, Jason P., McCulley, Rebecca L., Melbourne, Brett, Mitchell, Rachel, Moore, Joslin L., Morgan, John W., Muraina, Taofeek O., Niu, Yujie, Pärtel, Meelis, Peri, Pablo L., Power, Sally A., Price, Jodi N., Prober, Suzanne M., Ren, Zhengwei, Risch, Anita C., Smith, Nicholas G., Sonnier, Grégory, Standish, Rachel J., Stevens, Carly J., Tedder, Michelle, Tognetti, Pedro, Veen, G. F. (Ciska), Virtanen, Risto, Wardle, Glenda M., Waring, Elizabeth, Wolf, Amelia A., Yahdjian, Laura, and Seabloom, Eric W.

Published
2024
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3. Drivers of soil microbial and detritivore activity across global grasslands

Author

Siebert, Julia, Sünnemann, Marie, Hautier, Yann, Risch, Anita C., Bakker, Jonathan D., Biederman, Lori, Blumenthal, Dana M., Borer, Elizabeth T., Bugalho, Miguel N., Broadbent, Arthur A. D., Caldeira, Maria C., Cleland, Elsa, Davies, Kendi F., Eskelinen, Anu, Hagenah, Nicole, Knops, Johannes M. H., MacDougall, Andrew S., McCulley, Rebecca L., Moore, Joslin L., Power, Sally A., Price, Jodi N., Seabloom, Eric W., Standish, Rachel, Stevens, Carly J., Zimmermann, Stephan, and Eisenhauer, Nico

Published
2023
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4. The positive effect of plant diversity on soil carbon depends on climate

Author

Spohn, Marie, Bagchi, Sumanta, Biederman, Lori A., Borer, Elizabeth T., Bråthen, Kari Anne, Bugalho, Miguel N., Caldeira, Maria C., Catford, Jane A., Collins, Scott L., Eisenhauer, Nico, Hagenah, Nicole, Haider, Sylvia, Hautier, Yann, Knops, Johannes M. H., Koerner, Sally E., Laanisto, Lauri, Lekberg, Ylva, Martina, Jason P., Martinson, Holly, McCulley, Rebecca L., Peri, Pablo L., Macek, Petr, Power, Sally A., Risch, Anita C., Roscher, Christiane, Seabloom, Eric W., Stevens, Carly, Veen, G. F. (Ciska), Virtanen, Risto, and Yahdjian, Laura

Published
2023
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5. Nutrient availability controls the impact of mammalian herbivores on soil carbon and nitrogen pools in grasslands.

Author

Eisenhauer, Nico, Firn, Jennifer, Gherardi, Laureano, Hagenah, Nicole, Hautier, Yann, Hobbie, Sarah, Knops, Johannes, MacDougall, Andrew, McCulley, Rebecca, Moore, Joslin, Mortensen, Brent, Peri, Pablo, Prober, Suzanne, Riggs, Charlotte, Risch, Anita, Schütz, Martin, Seabloom, Eric, Siebert, Julia, Stevens, Carly, Veen, G, Sitters, Judith, Wubs, E, Bakker, Elisabeth, Crowther, Thomas, Adler, Peter, Bagchi, Sumanta, Bakker, Jonathan, Biederman, Lori, Borer, Elizabeth, and Cleland, Elsa

Subjects
Nutrient Network (NutNet), carbon sequestration, exclosure, fertilization, global change, grazing, herbivory, nutrient dynamics, nutrient enrichment, soil microorganisms
Abstract

Grasslands are subject to considerable alteration due to human activities globally, including widespread changes in populations and composition of large mammalian herbivores and elevated supply of nutrients. Grassland soils remain important reservoirs of carbon (C) and nitrogen (N). Herbivores may affect both C and N pools and these changes likely interact with increases in soil nutrient availability. Given the scale of grassland soil fluxes, such changes can have striking consequences for atmospheric C concentrations and the climate. Here, we use the Nutrient Network experiment to examine the responses of soil C and N pools to mammalian herbivore exclusion across 22 grasslands, under ambient and elevated nutrient availabilities (fertilized with NPK + micronutrients). We show that the impact of herbivore exclusion on soil C and N pools depends on fertilization. Under ambient nutrient conditions, we observed no effect of herbivore exclusion, but under elevated nutrient supply, pools are smaller upon herbivore exclusion. The highest mean soil C and N pools were found in grazed and fertilized plots. The decrease in soil C and N upon herbivore exclusion in combination with fertilization correlated with a decrease in aboveground plant biomass and microbial activity, indicating a reduced storage of organic matter and microbial residues as soil C and N. The response of soil C and N pools to herbivore exclusion was contingent on temperature - herbivores likely cause losses of C and N in colder sites and increases in warmer sites. Additionally, grasslands that contain mammalian herbivores have the potential to sequester more N under increased temperature variability and nutrient enrichment than ungrazed grasslands. Our study highlights the importance of conserving mammalian herbivore populations in grasslands worldwide. We need to incorporate local-scale herbivory, and its interaction with nutrient enrichment and climate, within global-scale models to better predict land-atmosphere interactions under future climate change.

Published
2020

6. Nutrient availability controls the impact of mammalian herbivores on soil carbon and nitrogen pools in grasslands

Author

Sitters, Judith, Wubs, ER Jasper, Bakker, Elisabeth S, Crowther, Thomas W, Adler, Peter B, Bagchi, Sumanta, Bakker, Jonathan D, Biederman, Lori, Borer, Elizabeth T, Cleland, Elsa E, Eisenhauer, Nico, Firn, Jennifer, Gherardi, Laureano, Hagenah, Nicole, Hautier, Yann, Hobbie, Sarah E, Knops, Johannes MH, MacDougall, Andrew S, McCulley, Rebecca L, Moore, Joslin L, Mortensen, Brent, Peri, Pablo L, Prober, Suzanne M, Riggs, Charlotte, Risch, Anita C, Schütz, Martin, Seabloom, Eric W, Siebert, Julia, Stevens, Carly J, and Veen, GF Ciska

Subjects
Climate Action, carbon sequestration, exclosure, fertilization, global change, grazing, herbivory, nutrient dynamics, nutrient enrichment, Nutrient Network, soil microorganisms, Environmental Sciences, Biological Sciences, Ecology
Abstract

Grasslands are subject to considerable alteration due to human activities globally, including widespread changes in populations and composition of large mammalian herbivores and elevated supply of nutrients. Grassland soils remain important reservoirs of carbon (C) and nitrogen (N). Herbivores may affect both C and N pools and these changes likely interact with increases in soil nutrient availability. Given the scale of grassland soil fluxes, such changes can have striking consequences for atmospheric C concentrations and the climate. Here, we use the Nutrient Network experiment to examine the responses of soil C and N pools to mammalian herbivore exclusion across 22 grasslands, under ambient and elevated nutrient availabilities (fertilized with NPK + micronutrients). We show that the impact of herbivore exclusion on soil C and N pools depends on fertilization. Under ambient nutrient conditions, we observed no effect of herbivore exclusion, but under elevated nutrient supply, pools are smaller upon herbivore exclusion. The highest mean soil C and N pools were found in grazed and fertilized plots. The decrease in soil C and N upon herbivore exclusion in combination with fertilization correlated with a decrease in aboveground plant biomass and microbial activity, indicating a reduced storage of organic matter and microbial residues as soil C and N. The response of soil C and N pools to herbivore exclusion was contingent on temperature - herbivores likely cause losses of C and N in colder sites and increases in warmer sites. Additionally, grasslands that contain mammalian herbivores have the potential to sequester more N under increased temperature variability and nutrient enrichment than ungrazed grasslands. Our study highlights the importance of conserving mammalian herbivore populations in grasslands worldwide. We need to incorporate local-scale herbivory, and its interaction with nutrient enrichment and climate, within global-scale models to better predict land-atmosphere interactions under future climate change.

Published
2020

8. Belowground Biomass Response to Nutrient Enrichment Depends on Light Limitation Across Globally Distributed Grasslands

Author

Cleland, Elsa E, Lind, Eric M, DeCrappeo, Nicole M, DeLorenze, Elizabeth, Wilkins, Rachel Abbott, Adler, Peter B, Bakker, Jonathan D, Brown, Cynthia S, Davies, Kendi F, Esch, Ellen, Firn, Jennifer, Gressard, Scott, Gruner, Daniel S, Hagenah, Nicole, Harpole, W Stanley, Hautier, Yann, Hobbie, Sarah E, Hofmockel, Kirsten S, Kirkman, Kevin, Knops, Johannes, Kopp, Christopher W, La Pierre, Kimberly J, MacDougall, Andrew, McCulley, Rebecca L, Melbourne, Brett A, Moore, Joslin L, Prober, Suzanne M, Riggs, Charlotte, Risch, Anita C, Schuetz, Martin, Stevens, Carly, Wragg, Peter D, Wright, Justin, Borer, Elizabeth T, and Seabloom, Eric W

Subjects
belowground biomass, fertilization, nitrogen, Nutrient Network, optimal allocation, phosphorus, roots, Ecology, Environmental Sciences, Biological Sciences
Published
2019

9. Leaf nutrients, not specific leaf area, are consistent indicators of elevated nutrient inputs

Author

Firn, Jennifer, McGree, James M, Harvey, Eric, Flores-Moreno, Habacuc, Schütz, Martin, Buckley, Yvonne M, Borer, Elizabeth T, Seabloom, Eric W, La Pierre, Kimberly J, MacDougall, Andrew M, Prober, Suzanne M, Stevens, Carly J, Sullivan, Lauren L, Porter, Erica, Ladouceur, Emma, Allen, Charlotte, Moromizato, Karine H, Morgan, John W, Harpole, W Stanley, Hautier, Yann, Eisenhauer, Nico, Wright, Justin P, Adler, Peter B, Arnillas, Carlos Alberto, Bakker, Jonathan D, Biederman, Lori, Broadbent, Arthur AD, Brown, Cynthia S, Bugalho, Miguel N, Caldeira, Maria C, Cleland, Elsa E, Ebeling, Anne, Fay, Philip A, Hagenah, Nicole, Kleinhesselink, Andrew R, Mitchell, Rachel, Moore, Joslin L, Nogueira, Carla, Peri, Pablo Luis, Roscher, Christiane, Smith, Melinda D, Wragg, Peter D, and Risch, Anita C

Subjects
Grassland, Magnoliopsida, Nutrients, Plant Leaves, Plant Physiological Phenomena
Abstract

Leaf traits are frequently measured in ecology to provide a 'common currency' for predicting how anthropogenic pressures impact ecosystem function. Here, we test whether leaf traits consistently respond to experimental treatments across 27 globally distributed grassland sites across 4 continents. We find that specific leaf area (leaf area per unit mass)-a commonly measured morphological trait inferring shifts between plant growth strategies-did not respond to up to four years of soil nutrient additions. Leaf nitrogen, phosphorus and potassium concentrations increased in response to the addition of each respective soil nutrient. We found few significant changes in leaf traits when vertebrate herbivores were excluded in the short-term. Leaf nitrogen and potassium concentrations were positively correlated with species turnover, suggesting that interspecific trait variation was a significant predictor of leaf nitrogen and potassium, but not of leaf phosphorus concentration. Climatic conditions and pretreatment soil nutrient levels also accounted for significant amounts of variation in the leaf traits measured. Overall, we find that leaf morphological traits, such as specific leaf area, are not appropriate indicators of plant response to anthropogenic perturbations in grasslands.

Published
2019

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

Author

Tognetti, Pedro M., Prober, Suzanne M., Báez, Selene, Chaneton, Enrique J., Firn, Jennifer, Risch, Anita C., Schuetz, Martin, Simonsen, Anna K., Yahdjian, Laura, Borer, Elizabeth T., Seabloom, Eric W., Arnillas, Carlos Alberto, Bakker, Jonathan D., Brown, Cynthia S., Cadotte, Marc W., Caldeira, Maria C., Daleo, Pedro, Dwyer, John M., Fay, Philip A., Gherardi, Laureano A., Hagenah, Nicole, Hautier, Yann, Komatsu, Kimberly J., McCulley, Rebecca L., Price, Jodi N., Standish, Rachel J., Stevens, Carly J., Wragg, Peter D., and Sankaran, Mahesh

Published
2021

11. Increasing effects of chronic nutrient enrichment on plant diversity loss and ecosystem productivity over time

Author

Seabloom, Eric W., Adler, Peter B., Alberti, Juan, Biederman, Lori, Buckley, Yvonne M., Cadotte, Marc W., Collins, Scott L., Dee, Laura, Fay, Philip A., Firn, Jennifer, Hagenah, Nicole, Harpole, W. Stanley, Hautier, Yann, Hector, Andy, Hobbie, Sarah E., Isbell, Forest, Knops, Johannes M. H., Komatsu, Kimberly J., Laungani, Ramesh, MacDougall, Andrew, McCulley, Rebecca L., L. Moore, Joslin, Morgan, John W., Ohlert, Timothy, Prober, Suzanne M., Risch, Anita C., Schuetz, Martin, Stevens, Carly J., and Borer, Elizabeth T.

Published
2021

12. Spatial heterogeneity in species composition constrains plant community responses to herbivory and fertilisation.

Author

Hodapp, Dorothee, Borer, Elizabeth T, Harpole, W Stanley, Lind, Eric M, Seabloom, Eric W, Adler, Peter B, Alberti, Juan, Arnillas, Carlos A, Bakker, Jonathan D, Biederman, Lori, Cadotte, Marc, Cleland, Elsa E, Collins, Scott, Fay, Philip A, Firn, Jennifer, Hagenah, Nicole, Hautier, Yann, Iribarne, Oscar, Knops, Johannes MH, McCulley, Rebecca L, MacDougall, Andrew, Moore, Joslin L, Morgan, John W, Mortensen, Brent, La Pierre, Kimberly J, Risch, Anita C, Schütz, Martin, Peri, Pablo, Stevens, Carly J, Wright, Justin, and Hillebrand, Helmut

Subjects
Plants, Biodiversity, Herbivory, Beta diversity, Nutrient Network, diversity, fertilisation, grassland, nitrogen, spatial heterogeneity, species composition, temporal turnover, Ecological Applications, Ecology, Evolutionary Biology
Abstract

Environmental change can result in substantial shifts in community composition. The associated immigration and extinction events are likely constrained by the spatial distribution of species. Still, studies on environmental change typically quantify biotic responses at single spatial (time series within a single plot) or temporal (spatial beta diversity at single time points) scales, ignoring their potential interdependence. Here, we use data from a global network of grassland experiments to determine how turnover responses to two major forms of environmental change - fertilisation and herbivore loss - are affected by species pool size and spatial compositional heterogeneity. Fertilisation led to higher rates of local extinction, whereas turnover in herbivore exclusion plots was driven by species replacement. Overall, sites with more spatially heterogeneous composition showed significantly higher rates of annual turnover, independent of species pool size and treatment. Taking into account spatial biodiversity aspects will therefore improve our understanding of consequences of global and anthropogenic change on community dynamics.

Published
2018

13. Nutrient addition in grasslands worldwide reveals proportional plant diversity decline across spatial scales but little change in beta diversity

Author

Chen, Qingqing, primary, Blowes, Shane, additional, Ladouceur, Emma, additional, Harpole, Stan, additional, Seabloom, Eric W., additional, Tognetti, Pedro Maximiliano, additional, MacDougall, Andrew, additional, Daleo, Pedro, additional, Hautier, Yann, additional, Stevens, Carly, additional, Morgan, John, additional, Veen, Ciska, additional, Risch, Anita C., additional, Roscher, Christiane, additional, Bakker, Jonathan D., additional, Adler, Peter, additional, Borer, Elizabeth, additional, Niu, Yujie, additional, Peri, Pablo L., additional, Martina, Jason, additional, Eisenhauer, Nico, additional, Virtanen, Risto, additional, Power, Sally, additional, Catford, Jane, additional, Tedder, Michelle, additional, Bagchi, Sumanta, additional, Wheeler, George, additional, Haider, Sylvia, additional, Maria, Caldeira, additional, Bugalho, Miguel, additional, Knops, Johannes, additional, Dickman, Chris, additional, Hagenah, Nicole, additional, Jentsch, Anke, additional, Wardle, Glenda, additional, Estrada, Catalina, additional, Donohue, Ian, additional, Gruner, Daniel, additional, Olde Venterink, Harry, additional, Lannes, Luciola, additional, Hersch-Green, Erika, additional, and Chase, Jonathan, additional

Published
2024
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14. Addition of multiple limiting resources reduces grassland diversity.

Author

Harpole, W Stanley, Sullivan, Lauren L, Lind, Eric M, Firn, Jennifer, Adler, Peter B, Borer, Elizabeth T, Chase, Jonathan, Fay, Philip A, Hautier, Yann, Hillebrand, Helmut, MacDougall, Andrew S, Seabloom, Eric W, Williams, Ryan, Bakker, Jonathan D, Cadotte, Marc W, Chaneton, Enrique J, Chu, Chengjin, Cleland, Elsa E, D'Antonio, Carla, Davies, Kendi F, Gruner, Daniel S, Hagenah, Nicole, Kirkman, Kevin, Knops, Johannes MH, La Pierre, Kimberly J, McCulley, Rebecca L, Moore, Joslin L, Morgan, John W, Prober, Suzanne M, Risch, Anita C, Schuetz, Martin, Stevens, Carly J, and Wragg, Peter D

Subjects
Plants, Poaceae, Fertilizers, Biodiversity, Biomass, Light, Food, Grassland, MD Multidisciplinary, General Science & Technology
Abstract

Niche dimensionality provides a general theoretical explanation for biodiversity-more niches, defined by more limiting factors, allow for more ways that species can coexist. Because plant species compete for the same set of limiting resources, theory predicts that addition of a limiting resource eliminates potential trade-offs, reducing the number of species that can coexist. Multiple nutrient limitation of plant production is common and therefore fertilization may reduce diversity by reducing the number or dimensionality of belowground limiting factors. At the same time, nutrient addition, by increasing biomass, should ultimately shift competition from belowground nutrients towards a one-dimensional competitive trade-off for light. Here we show that plant species diversity decreased when a greater number of limiting nutrients were added across 45 grassland sites from a multi-continent experimental network. The number of added nutrients predicted diversity loss, even after controlling for effects of plant biomass, and even where biomass production was not nutrient-limited. We found that elevated resource supply reduced niche dimensionality and diversity and increased both productivity and compositional turnover. Our results point to the importance of understanding dimensionality in ecological systems that are undergoing diversity loss in response to multiple global change factors.

Published
2016

15. Author Correction: Leaf nutrients, not specific leaf area, are consistent indicators of elevated nutrient inputs

Author

Firn, Jennifer, McGree, James M., Harvey, Eric, Flores-Moreno, Habacuc, Schütz, Martin, Buckley, Yvonne M., Borer, Elizabeth T., Seabloom, Eric W., La Pierre, Kimberly J., MacDougall, Andrew M., Prober, Suzanne M., Stevens, Carly J., Sullivan, Lauren L., Porter, Erica, Ladouceur, Emma, Allen, Charlotte, Moromizato, Karine H., Morgan, John W., Harpole, W. Stanley, Hautier, Yann, Eisenhauer, Nico, Wright, Justin P., Adler, Peter B., Arnillas, Carlos Alberto, Bakker, Jonathan D., Biederman, Lori, Broadbent, Arthur A. D., Brown, Cynthia S., Bugalho, Miguel N., Caldeira, Maria C., Cleland, Elsa E., Ebeling, Anne, Fay, Philip A., Hagenah, Nicole, Kleinhesselink, Andrew R., Mitchell, Rachel, Moore, Joslin L., Nogueira, Carla, Peri, Pablo Luis, Roscher, Christiane, Smith, Melinda D., Wragg, Peter D., and Risch, Anita C.

Published
2020
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16. Plant species' origin predicts dominance and response to nutrient enrichment and herbivores in global grasslands.

Author

Seabloom, Eric W, Borer, Elizabeth T, Buckley, Yvonne M, Cleland, Elsa E, Davies, Kendi F, Firn, Jennifer, Harpole, W Stanley, Hautier, Yann, Lind, Eric M, MacDougall, Andrew S, Orrock, John L, Prober, Suzanne M, Adler, Peter B, Anderson, T Michael, Bakker, Jonathan D, Biederman, Lori A, Blumenthal, Dana M, Brown, Cynthia S, Brudvig, Lars A, Cadotte, Marc, Chu, Chengjin, Cottingham, Kathryn L, Crawley, Michael J, Damschen, Ellen I, Dantonio, Carla M, DeCrappeo, Nicole M, Du, Guozhen, Fay, Philip A, Frater, Paul, Gruner, Daniel S, Hagenah, Nicole, Hector, Andy, Hillebrand, Helmut, Hofmockel, Kirsten S, Humphries, Hope C, Jin, Virginia L, Kay, Adam, Kirkman, Kevin P, Klein, Julia A, Knops, Johannes MH, La Pierre, Kimberly J, Ladwig, Laura, Lambrinos, John G, Li, Qi, Li, Wei, Marushia, Robin, McCulley, Rebecca L, Melbourne, Brett A, Mitchell, Charles E, Moore, Joslin L, Morgan, John, Mortensen, Brent, O'Halloran, Lydia R, Pyke, David A, Risch, Anita C, Sankaran, Mahesh, Schuetz, Martin, Simonsen, Anna, Smith, Melinda D, Stevens, Carly J, Sullivan, Lauren, Wolkovich, Elizabeth, Wragg, Peter D, Wright, Justin, and Yang, Louie

Subjects
Animals, Vertebrates, Plants, Nitrogen, Phosphorus, Soil, Ecosystem, Biodiversity, Eutrophication, Food, Introduced Species, Herbivory, Grassland, MD Multidisciplinary
Abstract

Exotic species dominate many communities; however the functional significance of species' biogeographic origin remains highly contentious. This debate is fuelled in part by the lack of globally replicated, systematic data assessing the relationship between species provenance, function and response to perturbations. We examined the abundance of native and exotic plant species at 64 grasslands in 13 countries, and at a subset of the sites we experimentally tested native and exotic species responses to two fundamental drivers of invasion, mineral nutrient supplies and vertebrate herbivory. Exotic species are six times more likely to dominate communities than native species. Furthermore, while experimental nutrient addition increases the cover and richness of exotic species, nutrients decrease native diversity and cover. Native and exotic species also differ in their response to vertebrate consumer exclusion. These results suggest that species origin has functional significance, and that eutrophication will lead to increased exotic dominance in grasslands.

Published
2015

17. Plant diversity predicts beta but not alpha diversity of soil microbes across grasslands worldwide.

Author

Prober, Suzanne M, Leff, Jonathan W, Bates, Scott T, Borer, Elizabeth T, Firn, Jennifer, Harpole, W Stanley, Lind, Eric M, Seabloom, Eric W, Adler, Peter B, Bakker, Jonathan D, Cleland, Elsa E, DeCrappeo, Nicole M, DeLorenze, Elizabeth, Hagenah, Nicole, Hautier, Yann, Hofmockel, Kirsten S, Kirkman, Kevin P, Knops, Johannes MH, La Pierre, Kimberly J, MacDougall, Andrew S, McCulley, Rebecca L, Mitchell, Charles E, Risch, Anita C, Schuetz, Martin, Stevens, Carly J, Williams, Ryan J, and Fierer, Noah

Subjects
Bacteria, Fungi, Plants, Archaea, Linear Models, Soil Microbiology, Biodiversity, Biota, Grassland, Aboveground-belowground interactions, archaea, bacteria, fungi, grasslands, microbial biogeography, soil biodiversity, Ecological Applications, Ecology, Evolutionary Biology
Abstract

Aboveground-belowground interactions exert critical controls on the composition and function of terrestrial ecosystems, yet the fundamental relationships between plant diversity and soil microbial diversity remain elusive. Theory predicts predominantly positive associations but tests within single sites have shown variable relationships, and associations between plant and microbial diversity across broad spatial scales remain largely unexplored. We compared the diversity of plant, bacterial, archaeal and fungal communities in one hundred and forty-five 1 m(2) plots across 25 temperate grassland sites from four continents. Across sites, the plant alpha diversity patterns were poorly related to those observed for any soil microbial group. However, plant beta diversity (compositional dissimilarity between sites) was significantly correlated with the beta diversity of bacterial and fungal communities, even after controlling for environmental factors. Thus, across a global range of temperate grasslands, plant diversity can predict patterns in the composition of soil microbial communities, but not patterns in alpha diversity.

Published
2015

18. Grassland productivity limited by multiple nutrients.

Author

Fay, Philip A, Prober, Suzanne M, Harpole, W Stanley, Knops, Johannes MH, Bakker, Jonathan D, Borer, Elizabeth T, Lind, Eric M, MacDougall, Andrew S, Seabloom, Eric W, Wragg, Peter D, Adler, Peter B, Blumenthal, Dana M, Buckley, Yvonne M, Chu, Chengjin, Cleland, Elsa E, Collins, Scott L, Davies, Kendi F, Du, Guozhen, Feng, Xiaohui, Firn, Jennifer, Gruner, Daniel S, Hagenah, Nicole, Hautier, Yann, Heckman, Robert W, Jin, Virginia L, Kirkman, Kevin P, Klein, Julia, Ladwig, Laura M, Li, Qi, McCulley, Rebecca L, Melbourne, Brett A, Mitchell, Charles E, Moore, Joslin L, Morgan, John W, Risch, Anita C, Schütz, Martin, Stevens, Carly J, Wedin, David A, and Yang, Louie H

Subjects
Prevention, Nutrition
Abstract

Terrestrial ecosystem productivity is widely accepted to be nutrient limited(1). Although nitrogen (N) is deemed a key determinant of aboveground net primary production (ANPP)(2,3), the prevalence of co-limitation by N and phosphorus (P) is increasingly recognized(4-8). However, the extent to which terrestrial productivity is co-limited by nutrients other than N and P has remained unclear. Here, we report results from a standardized factorial nutrient addition experiment, in which we added N, P and potassium (K) combined with a selection of micronutrients (K+μ), alone or in concert, to 42 grassland sites spanning five continents, and monitored ANPP. Nutrient availability limited productivity at 31 of the 42 grassland sites. And pairwise combinations of N, P, and K+μ co-limited ANPP at 29 of the sites. Nitrogen limitation peaked in cool, high latitude sites. Our findings highlight the importance of less studied nutrients, such as K and micronutrients, for grassland productivity, and point to significant variations in the type and degree of nutrient limitation. We suggest that multiple-nutrient constraints must be considered when assessing the ecosystem-scale consequences of nutrient enrichment.

Published
2015

19. The dissection of a despotic society: exploration, dominance and hormonal traits.

Author

Majelantle, Tshepiso Lesedi, Ganswindt, Andre, Hart, Daniel William, Hagenah, Nicole, Ganswindt, Stefanie Birgit, and Bennett, Nigel Charles

Subjects
NAKED mole rat, COLONIES (Biology), QUEENS (Insects), BIOMARKERS, PROGESTATIONAL hormones
Abstract

Naked mole-rats (Heterocephalus glaber) live in large colonies with one breeding female (queen), one to three breeding males (BMs) and the remainder are non-reproductive subordinates. The animals have a linear dominance rank with the breeders at the top of the hierarchy. We investigated how dominance rank in naked mole-rats differs with exploration (the propensity to explore a novel environment) and related endocrine markers. Exploration behaviour, faecal progestagen metabolite (fPM), faecal glucocorticoid metabolite (fGCM), faecal androgen metabolite (fAM) and plasma prolactin concentrations were quantified in breeding, high-, middle- and low-ranked females and males from five naked mole-rat colonies. There were no significant differences between the dominance rank and exploration behaviour. Interestingly, the queens and high-ranking females had higher fGCM and fAM concentrations compared with middle- and low-ranked females. The queens had significantly higher fPM concentrations than all other ranked females, since they are responsible for procreation. In the males, the BMs had higher fGCM concentrations compared with high- and low-ranked males. In addition, BMs and middle-ranking males had overall higher prolactin levels than all other ranked males, which could be linked to cooperative care. Overall, the results suggest that physiological reproductive suppression is linked to high dominance rank. [ABSTRACT FROM AUTHOR]

Published
2024
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21. Herbivory and eutrophication mediate grassland plant nutrient responses across a global climatic gradient

Author

Anderson, T. Michael, Griffith, Daniel M., Grace, James B., Lind, Eric M., Adler, Peter B., Biederman, Lori A., Blumenthal, Dana M., Daleo, Pedro, Firn, Jennifer, Hagenah, Nicole, Harpole, W. Stanley, MacDougall, Andrew S., McCulley, Rebecca L., Prober, Suzanne M., Risch, Anita C., Sankaran, Mahesh, Schütz, Martin, Seabloom, Eric W., Stevens, Carly J., Sullivan, Lauren L., Wragg, Peter D., and Borer, Elizabeth T.

Published
2018

23. Predicting invasion in grassland ecosystems: is exotic dominance the real embarrassment of richness?

Author

Seabloom, Eric W, Borer, Elizabeth T, Buckley, Yvonne, Cleland, Elsa E, Davies, Kendi, Firn, Jennifer, Harpole, W Stanley, Hautier, Yann, Lind, Eric, MacDougall, Andrew, Orrock, John L, Prober, Suzanne M, Adler, Peter, Alberti, Juan, Anderson, T Michael, Bakker, Jonathan D, Biederman, Lori A, Blumenthal, Dana, Brown, Cynthia S, Brudvig, Lars A, Caldeira, Maria, Chu, Chengjin, Crawley, Michael J, Daleo, Pedro, Damschen, Ellen I, D'Antonio, Carla M, DeCrappeo, Nicole M, Dickman, Chris R, Du, Guozhen, Fay, Philip A, Frater, Paul, Gruner, Daniel S, Hagenah, Nicole, Hector, Andrew, Helm, Aveliina, Hillebrand, Helmut, Hofmockel, Kirsten S, Humphries, Hope C, Iribarne, Oscar, Jin, Virginia L, Kay, Adam, Kirkman, Kevin P, Klein, Julia A, Knops, Johannes MH, La Pierre, Kimberly J, Ladwig, Laura M, Lambrinos, John G, Leakey, Andrew DB, Li, Qi, Li, Wei, McCulley, Rebecca, Melbourne, Brett, Mitchell, Charles E, Moore, Joslin L, Morgan, John, Mortensen, Brent, O'Halloran, Lydia R, Pärtel, Meelis, Pascual, Jesús, Pyke, David A, Risch, Anita C, Salguero-Gómez, Roberto, Sankaran, Mahesh, Schuetz, Martin, Simonsen, Anna, Smith, Melinda, Stevens, Carly, Sullivan, Lauren, Wardle, Glenda M, Wolkovich, Elizabeth M, Wragg, Peter D, Wright, Justin, and Yang, Louie

Subjects
Poaceae, Ecosystem, Biodiversity, Introduced Species, Plant Dispersal, Biological Sciences, Environmental Sciences, Ecology
Abstract

Invasions have increased the size of regional species pools, but are typically assumed to reduce native diversity. However, global-scale tests of this assumption have been elusive because of the focus on exotic species richness, rather than relative abundance. This is problematic because low invader richness can indicate invasion resistance by the native community or, alternatively, dominance by a single exotic species. Here, we used a globally replicated study to quantify relationships between exotic richness and abundance in grass-dominated ecosystems in 13 countries on six continents, ranging from salt marshes to alpine tundra. We tested effects of human land use, native community diversity, herbivore pressure, and nutrient limitation on exotic plant dominance. Despite its widespread use, exotic richness was a poor proxy for exotic dominance at low exotic richness, because sites that contained few exotic species ranged from relatively pristine (low exotic richness and cover) to almost completely exotic-dominated ones (low exotic richness but high exotic cover). Both exotic cover and richness were predicted by native plant diversity (native grass richness) and land use (distance to cultivation). Although climate was important for predicting both exotic cover and richness, climatic factors predicting cover (precipitation variability) differed from those predicting richness (maximum temperature and mean temperature in the wettest quarter). Herbivory and nutrient limitation did not predict exotic richness or cover. Exotic dominance was greatest in areas with low native grass richness at the site- or regional-scale. Although this could reflect native grass displacement, a lack of biotic resistance is a more likely explanation, given that grasses comprise the most aggressive invaders. These findings underscore the need to move beyond richness as a surrogate for the extent of invasion, because this metric confounds monodominance with invasion resistance. Monitoring species' relative abundance will more rapidly advance our understanding of invasions.

Published
2013

24. Out of the shadows : multiple nutrient limitations drive relationships among biomass, light and plant diversity

Author

Harpole, W. Stanley, Sullivan, Lauren L., Lind, Eric M., Firn, Jennifer, Adler, Peter B., Borer, Elizabeth T., Chase, Jonathan, Fay, Philip A., Hautier, Yann, Hillebrand, Helmut, MacDougall, Andrew S., Seabloom, Eric W., Bakker, Jonathan D., Cadotte, Marc W., Chaneton, Enrique J., Chu, Chengjin, Hagenah, Nicole, Kirkman, Kevin, La Pierre, Kimberly J., Moore, Joslin L., Morgan, John W., Prober, Suzanne M., Risch, Anita C., Schuetz, Martin, and Stevens, Carly J.

Published
2017

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

Author

Hautier, Yann, Isbell, Forest, Borer, Elizabeth T., Seabloom, Eric W., Harpole, W. Stanley, Lind, Eric M., MacDougall, Andrew S., Stevens, Carly J., Adler, Peter B., Alberti, Juan, Bakker, Jonathan D., Brudvig, Lars A., Buckley, Yvonne M., Cadotte, Marc, Caldeira, Maria C., Chaneton, Enrique J., Chu, Chengjin, Daleo, Pedro, Dickman, Christopher R., Dwyer, John M., Eskelinen, Anu, Fay, Philip A., Firn, Jennifer, Hagenah, Nicole, Hillebrand, Helmut, Iribarne, Oscar, Kirkman, Kevin P., Knops, Johannes M. H., La Pierre, Kimberly J., McCulley, Rebecca L., Morgan, John W., Pärtel, Meelis, Pascual, Jesus, Price, Jodi N., Prober, Suzanne M., Risch, Anita C., Sankaran, Mahesh, Schuetz, Martin, Standish, Rachel J., Virtanen, Risto, Wardle, Glenda M., Yahdjian, Laura, and Hector, Andy

Published
2018
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27. Nutrient addition drives declines in grassland species richness primarily via enhanced species loss

Author

Muehleisen, Andrew J., Watkins, Carmen R.E., Altmire, Gabriella R., Shaw, E. Ashley, Case, Madelon F., Aoyama, Lina, Brambila, Alejandro, Reed, Paul B., LaForgia, Marina, Borer, Elizabeth T., Seabloom, Eric W., Bakker, Jonathan D., Amillas, Carlos Alberto, Biederman, Lori, Chen, Qingqing, Cleland, Elsa E., Fay, Philip A., Hagenah, Nicole, Harpole, Stan, Hautier, Yann, Henning, Jeremiah A., Knops, Johannes M.H., Komatsu, Kimberly J., Ladouceur, Emma, MacDougall, Andrew, McCulley, Rebecca L., Moore, Joslin L., Ohlert, Tim, Power, Sally A., Stevens, Carly J., Wilfahrt, Peter, Hallett, Lauren M., Muehleisen, Andrew J., Watkins, Carmen R.E., Altmire, Gabriella R., Shaw, E. Ashley, Case, Madelon F., Aoyama, Lina, Brambila, Alejandro, Reed, Paul B., LaForgia, Marina, Borer, Elizabeth T., Seabloom, Eric W., Bakker, Jonathan D., Amillas, Carlos Alberto, Biederman, Lori, Chen, Qingqing, Cleland, Elsa E., Fay, Philip A., Hagenah, Nicole, Harpole, Stan, Hautier, Yann, Henning, Jeremiah A., Knops, Johannes M.H., Komatsu, Kimberly J., Ladouceur, Emma, MacDougall, Andrew, McCulley, Rebecca L., Moore, Joslin L., Ohlert, Tim, Power, Sally A., Stevens, Carly J., Wilfahrt, Peter, and Hallett, Lauren M.

Abstract

Declines in grassland diversity in response to nutrient addition are a general consequence of global change. This decline in species richness may be driven by multiple underlying processes operating at different time-scales. Nutrient addition can reduce diversity by enhancing the rate of local extinction via competitive exclusion, or by reducing the rate of colonization by constraining the pool of species able to colonize under new conditions. Partitioning net change into extinction and colonization rates will better delineate the long-term effect of global change in grasslands. We synthesized changes in richness in response to experimental fertilization with nitrogen, phosphorus and potassium with micronutrients across 30 grasslands. We quantified changes in local richness, colonization, and extinction over 8–10 years of nutrient addition, and compared these rates against control conditions to isolate the effect of nutrient addition from background dynamics. Total richness at steady state in the control plots was the sum of equal, relatively high rates of local colonization and extinction. On aggregate, 30%–35% of initial species were lost and the same proportion of new species were gained at least once over a decade. Absolute turnover increased with site-level richness but was proportionately greater at lower-richness sites relative to starting richness. Loss of total richness with nutrient addition, especially N in combination with P or K, was driven by enhanced rates of extinction with a smaller contribution from reduced colonization. Enhanced extinction and reduced colonization were disproportionately among native species, perennials, and forbs. Reduced colonization plateaued after the first few (<5) years after nutrient addition, while enhanced extinction continued throughout the first decade. Synthesis. Our results indicate a high rate of colonizations and extinctions underlying the richness of ambient communities and that nutrient enhancement drives ov

Published
2023

28. Nutrient addition drives declines in grassland species richness primarily via enhanced species loss

Author

Sub Ecology and Biodiversity, Ecology and Biodiversity, Muehleisen, Andrew J., Watkins, Carmen R.E., Altmire, Gabriella R., Shaw, E. Ashley, Case, Madelon F., Aoyama, Lina, Brambila, Alejandro, Reed, Paul B., LaForgia, Marina, Borer, Elizabeth T., Seabloom, Eric W., Bakker, Jonathan D., Amillas, Carlos Alberto, Biederman, Lori, Chen, Qingqing, Cleland, Elsa E., Fay, Philip A., Hagenah, Nicole, Harpole, Stan, Hautier, Yann, Henning, Jeremiah A., Knops, Johannes M.H., Komatsu, Kimberly J., Ladouceur, Emma, MacDougall, Andrew, McCulley, Rebecca L., Moore, Joslin L., Ohlert, Tim, Power, Sally A., Stevens, Carly J., Wilfahrt, Peter, Hallett, Lauren M., Sub Ecology and Biodiversity, Ecology and Biodiversity, Muehleisen, Andrew J., Watkins, Carmen R.E., Altmire, Gabriella R., Shaw, E. Ashley, Case, Madelon F., Aoyama, Lina, Brambila, Alejandro, Reed, Paul B., LaForgia, Marina, Borer, Elizabeth T., Seabloom, Eric W., Bakker, Jonathan D., Amillas, Carlos Alberto, Biederman, Lori, Chen, Qingqing, Cleland, Elsa E., Fay, Philip A., Hagenah, Nicole, Harpole, Stan, Hautier, Yann, Henning, Jeremiah A., Knops, Johannes M.H., Komatsu, Kimberly J., Ladouceur, Emma, MacDougall, Andrew, McCulley, Rebecca L., Moore, Joslin L., Ohlert, Tim, Power, Sally A., Stevens, Carly J., Wilfahrt, Peter, and Hallett, Lauren M.

Published
2023

29. Drivers of soil microbial and detritivore activity across global grasslands

Author

Sub Ecology and Biodiversity, Ecology and Biodiversity, Siebert, Julia, Sünnemann, Marie, Hautier, Yann, Risch, Anita C, Bakker, Jonathan D, Biederman, Lori, Blumenthal, Dana M, Borer, Elizabeth T, Bugalho, Miguel N, Broadbent, Arthur A D, Caldeira, Maria C, Cleland, Elsa, Davies, Kendi F, Eskelinen, Anu, Hagenah, Nicole, Knops, Johannes M H, MacDougall, Andrew S, McCulley, Rebecca L, Moore, Joslin L, Power, Sally A, Price, Jodi N, Seabloom, Eric W, Standish, Rachel, Stevens, Carly J, Zimmermann, Stephan, Eisenhauer, Nico, Sub Ecology and Biodiversity, Ecology and Biodiversity, Siebert, Julia, Sünnemann, Marie, Hautier, Yann, Risch, Anita C, Bakker, Jonathan D, Biederman, Lori, Blumenthal, Dana M, Borer, Elizabeth T, Bugalho, Miguel N, Broadbent, Arthur A D, Caldeira, Maria C, Cleland, Elsa, Davies, Kendi F, Eskelinen, Anu, Hagenah, Nicole, Knops, Johannes M H, MacDougall, Andrew S, McCulley, Rebecca L, Moore, Joslin L, Power, Sally A, Price, Jodi N, Seabloom, Eric W, Standish, Rachel, Stevens, Carly J, Zimmermann, Stephan, and Eisenhauer, Nico

Published
2023

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

Author

Sub Ecology and Biodiversity, Ecology and Biodiversity, Spohn, Marie, Bagchi, Sumanta, Biederman, Lori A, Borer, Elizabeth T, Bråthen, Kari Anne, Bugalho, Miguel N, Caldeira, Maria C, Catford, Jane A, Collins, Scott L, Eisenhauer, Nico, Hagenah, Nicole, Haider, Sylvia, Hautier, Yann, Knops, Johannes M H, Koerner, Sally E, Laanisto, Lauri, Lekberg, Ylva, Martina, Jason P, Martinson, Holly, McCulley, Rebecca L, Peri, Pablo L, Macek, Petr, Power, Sally A, Risch, Anita C, Roscher, Christiane, Seabloom, Eric W, Stevens, Carly, Veen, G F Ciska, Virtanen, Risto, Yahdjian, Laura, Sub Ecology and Biodiversity, Ecology and Biodiversity, Spohn, Marie, Bagchi, Sumanta, Biederman, Lori A, Borer, Elizabeth T, Bråthen, Kari Anne, Bugalho, Miguel N, Caldeira, Maria C, Catford, Jane A, Collins, Scott L, Eisenhauer, Nico, Hagenah, Nicole, Haider, Sylvia, Hautier, Yann, Knops, Johannes M H, Koerner, Sally E, Laanisto, Lauri, Lekberg, Ylva, Martina, Jason P, Martinson, Holly, McCulley, Rebecca L, Peri, Pablo L, Macek, Petr, Power, Sally A, Risch, Anita C, Roscher, Christiane, Seabloom, Eric W, Stevens, Carly, Veen, G F Ciska, Virtanen, Risto, and Yahdjian, Laura

Published
2023

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

Author

Flores-Moreno, Habacuc, Reich, Peter B., Lind, Eric M., Sullivan, Lauren L., Seabloom, Eric W., Yahdjian, Laura, MacDougall, Andrew S., Reichmann, Lara G., Alberti, Juan, Báez, Selene, Bakker, Jonathan D., Cadotte, Marc W., Caldeira, Maria C., Chaneton, Enrique J., D'Antonio, Carla M., Fay, Philip A., Firn, Jennifer, Hagenah, Nicole, Harpole, W. Stanley, Iribarne, Oscar, Kirkman, Kevin P., Knops, Johannes M. H., La Pierre, Kimberly J., Laungani, Ramesh, Leakey, Andrew D. B., McCulley, Rebecca L., Moore, Joslin L., Pascual, Jesus, and Borer, Elizabeth T.

Published
2016

33. The influence of balanced and imbalanced resource supply on biodiversity – functioning relationship across ecosystems

Author

Lewandowska, Aleksandra M., Biermann, Antje, Borer, Elizabeth T., Cebrián-Piqueras, Miguel A., Declerck, Steven A. J., De Meester, Luc, Van Donk, Ellen, Gamfeldt, Lars, Gruner, Daniel S., Hagenah, Nicole, Harpole, W. Stanley, Kirkman, Kevin P., Klausmeier, Christopher A., Kleyer, Michael, Knops, Johannes M. H., Lemmens, Pieter, Lind, Eric M., Litchman, Elena, Mantilla-Contreras, Jasmin, Martens, Koen, Meier, Sandra, Minden, Vanessa, Moore, Joslin L., Venterink, Harry Olde, Seabloom, Eric W., Sommer, Ulrich, Striebel, Maren, Trenkamp, Anastasia, Trinogga, Juliane, Urabe, Jotaro, Vyverman, Wim, Van de Waal, Dedmer B., Widdicombe, Claire E., and Hillebrand, Helmut

Published
2016

34. Nutrient addition drives declines in grassland species richness primarily via enhanced species loss

Author

Muehleisen, Andrew J., primary, Watkins, Carmen R. E., additional, Altmire, Gabriella R., additional, Shaw, E. Ashley, additional, Case, Madelon F., additional, Aoyama, Lina, additional, Brambila, Alejandro, additional, Reed, Paul B., additional, LaForgia, Marina, additional, Borer, Elizabeth T., additional, Seabloom, Eric W., additional, Bakker, Jonathan D., additional, Amillas, Carlos Alberto, additional, Biederman, Lori, additional, Chen, Qingqing, additional, Cleland, Elsa E., additional, Fay, Philip A., additional, Hagenah, Nicole, additional, Harpole, Stan, additional, Hautier, Yann, additional, Henning, Jeremiah A., additional, Knops, Johannes M. H., additional, Komatsu, Kimberly J., additional, Ladouceur, Emma, additional, MacDougall, Andrew, additional, McCulley, Rebecca L., additional, Moore, Joslin L., additional, Ohlert, Tim, additional, Power, Sally A., additional, Stevens, Carly J., additional, Wilfahrt, Peter, additional, and Hallett, Lauren M., additional

Published
2022
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35. Linking changes in species composition and biomass in a globally distributed grassland experiment

Author

Ladouceur, Emma, primary, Blowes, Shane A., additional, Chase, Jonathan M., additional, Clark, Adam T., additional, Garbowski, Magda, additional, Alberti, Juan, additional, Arnillas, Carlos Alberto, additional, Bakker, Jonathan D., additional, Barrio, Isabel C., additional, Bharath, Siddharth, additional, Borer, Elizabeth T., additional, Brudvig, Lars A., additional, Cadotte, Marc W., additional, Chen, Qingqing, additional, Collins, Scott L., additional, Dickman, Christopher R., additional, Donohue, Ian, additional, Du, Guozhen, additional, Ebeling, Anne, additional, Eisenhauer, Nico, additional, Fay, Philip A., additional, Hagenah, Nicole, additional, Hautier, Yann, additional, Jentsch, Anke, additional, Jónsdóttir, Ingibjörg S., additional, Komatsu, Kimberly, additional, MacDougall, Andrew, additional, Martina, Jason P., additional, Moore, Joslin L., additional, Morgan, John W., additional, Peri, Pablo L., additional, Power, Sally A., additional, Ren, Zhengwei, additional, Risch, Anita C., additional, Roscher, Christiane, additional, Schuchardt, Max A., additional, Seabloom, Eric W., additional, Stevens, Carly J., additional, Veen, G.F. (Ciska), additional, Virtanen, Risto, additional, Wardle, Glenda M., additional, Wilfahrt, Peter A., additional, and Harpole, W. Stanley, additional

Published
2022
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40. Linking changes in species composition and biomass in a globally distributed grassland experiment

Author

Ladouceur, Emma, Blowes, Shane A, Chase, Jonathan M, Clark, Adam T, Garbowski, Magda, Alberti, Juan, Arnillas, Carlos Alberto, Bakker, Jonathan D, Barrio, Isabel C, Bharath, Siddharth, Borer, Elizabeth T, Brudvig, Lars A, Cadotte, Marc W, Chen, Qingqing, Collins, Scott L, Dickman, Christopher R, Donohue, Ian, Du, Guozhen, Ebeling, Anne, Eisenhauer, Nico, Fay, Philip A, Hagenah, Nicole, Hautier, Yann, Jentsch, Anke, Jónsdóttir, Ingibjörg S, Komatsu, Kimberly, MacDougall, Andrew, Martina, Jason P, Moore, Joslin L, Morgan, John W, Peri, Pablo L, Power, Sally A, Ren, Zhengwei, Risch, Anita C, Roscher, Christiane, Schuchardt, Max A, Seabloom, Eric W, Stevens, Carly J, Veen, G F Ciska, Virtanen, Risto, Wardle, Glenda M, Wilfahrt, Peter A, Harpole, W Stanley, Ladouceur, Emma, Blowes, Shane A, Chase, Jonathan M, Clark, Adam T, Garbowski, Magda, Alberti, Juan, Arnillas, Carlos Alberto, Bakker, Jonathan D, Barrio, Isabel C, Bharath, Siddharth, Borer, Elizabeth T, Brudvig, Lars A, Cadotte, Marc W, Chen, Qingqing, Collins, Scott L, Dickman, Christopher R, Donohue, Ian, Du, Guozhen, Ebeling, Anne, Eisenhauer, Nico, Fay, Philip A, Hagenah, Nicole, Hautier, Yann, Jentsch, Anke, Jónsdóttir, Ingibjörg S, Komatsu, Kimberly, MacDougall, Andrew, Martina, Jason P, Moore, Joslin L, Morgan, John W, Peri, Pablo L, Power, Sally A, Ren, Zhengwei, Risch, Anita C, Roscher, Christiane, Schuchardt, Max A, Seabloom, Eric W, Stevens, Carly J, Veen, G F Ciska, Virtanen, Risto, Wardle, Glenda M, Wilfahrt, Peter A, and Harpole, W Stanley

Abstract

Global change drivers, such as anthropogenic nutrient inputs, are increasing globally. Nutrient deposition simultaneously alters plant biodiversity, species composition and ecosystem processes like aboveground biomass production. These changes are underpinned by species extinction, colonisation and shifting relative abundance. Here, we use the Price equation to quantify and link the contributions of species that are lost, gained or that persist to change in aboveground biomass in 59 experimental grassland sites. Under ambient (control) conditions, compositional and biomass turnover was high, and losses (i.e. local extinctions) were balanced by gains (i.e. colonisation). Under fertilisation, the decline in species richness resulted from increased species loss and decreases in species gained. Biomass increase under fertilisation resulted mostly from species that persist and to a lesser extent from species gained. Drivers of ecological change can interact relatively independently with diversity, composition and ecosystem processes and functions such as aboveground biomass due to the individual contributions of species lost, gained or persisting.

Published
2022

41. Nutrient enrichment increases invertebrate herbivory and pathogen damage in grasslands

Author

Ebeling, Anne, Strauss, Alex T., Adler, Peter B., Arnillas, Carlos A., Barrio, Isabel C., Biederman, Lori A., Borer, Elizabeth T., Bugalho, Miguel N., Caldeira, Maria C., Cadotte, Marc W., Daleo, Pedro, Eisenhauer, Nico, Eskelinen, Anu, Fay, Philip A., Firn, Jennifer, Graff, Pamela, Hagenah, Nicole, Haider, Sylvia, Komatsu, Kimberly J., McCulley, Rebecca L., Mitchell, Charles E., Moore, Joslin L., Pascual, Jesus, Peri, Pablo L., Power, Sally A., Prober, Suzanne M., Risch, Anita C., Roscher, Christiane, Sankaran, Mahesh, Seabloom, Eric W., Schielzeth, Holger, Schütz, Martin, Speziale, Karina L., Tedder, Michelle, Virtanen, Risto, Blumenthal, Dana M., Ebeling, Anne, Strauss, Alex T., Adler, Peter B., Arnillas, Carlos A., Barrio, Isabel C., Biederman, Lori A., Borer, Elizabeth T., Bugalho, Miguel N., Caldeira, Maria C., Cadotte, Marc W., Daleo, Pedro, Eisenhauer, Nico, Eskelinen, Anu, Fay, Philip A., Firn, Jennifer, Graff, Pamela, Hagenah, Nicole, Haider, Sylvia, Komatsu, Kimberly J., McCulley, Rebecca L., Mitchell, Charles E., Moore, Joslin L., Pascual, Jesus, Peri, Pablo L., Power, Sally A., Prober, Suzanne M., Risch, Anita C., Roscher, Christiane, Sankaran, Mahesh, Seabloom, Eric W., Schielzeth, Holger, Schütz, Martin, Speziale, Karina L., Tedder, Michelle, Virtanen, Risto, and Blumenthal, Dana M.

Abstract

Plant damage by invertebrate herbivores and pathogens influences the dynamics of grassland ecosystems, but anthropogenic changes in nitrogen and phosphorus availability can modify these relationships. Using a globally distributed experiment, we describe leaf damage on 153 plant taxa from 27 grasslands worldwide, under ambient conditions and with experimentally elevated nitrogen and phosphorus. Invertebrate damage significantly increased with nitrogen addition, especially in grasses and non-leguminous forbs. Pathogen damage increased with nitrogen in grasses and legumes but not forbs. Effects of phosphorus were generally weaker. Damage was higher in grasslands with more precipitation, but climatic conditions did not change effects of nutrients on leaf damage. On average, invertebrate damage was relatively higher on legumes and pathogen damage was relatively higher on grasses. Community-weighted mean damage reflected these functional group patterns, with no effects of N on community-weighted pathogen damage (due to opposing responses of grasses and forbs) but stronger effects of N on community-weighted invertebrate damage (due to consistent responses of grasses and forbs). Synthesis. As human-induced inputs of nitrogen and phosphorus continue to increase, understanding their impacts on invertebrate and pathogen damage becomes increasingly important. Our results demonstrate that eutrophication frequently increases plant damage and that damage increases with precipitation across a wide array of grasslands. Invertebrate and pathogen damage in grasslands is likely to increase in the future, with potential consequences for plant, invertebrate and pathogen communities, as well as the transfer of energy and nutrients across trophic levels.

Published
2022

42. Linking changes in species composition and biomass in a globally distributed grassland experiment

Author

Sub Ecology and Biodiversity, Ecology and Biodiversity, Ladouceur, Emma, Blowes, Shane A, Chase, Jonathan M, Clark, Adam T, Garbowski, Magda, Alberti, Juan, Arnillas, Carlos Alberto, Bakker, Jonathan D, Barrio, Isabel C, Bharath, Siddharth, Borer, Elizabeth T, Brudvig, Lars A, Cadotte, Marc W, Chen, Qingqing, Collins, Scott L, Dickman, Christopher R, Donohue, Ian, Du, Guozhen, Ebeling, Anne, Eisenhauer, Nico, Fay, Philip A, Hagenah, Nicole, Hautier, Yann, Jentsch, Anke, Jónsdóttir, Ingibjörg S, Komatsu, Kimberly, MacDougall, Andrew, Martina, Jason P, Moore, Joslin L, Morgan, John W, Peri, Pablo L, Power, Sally A, Ren, Zhengwei, Risch, Anita C, Roscher, Christiane, Schuchardt, Max A, Seabloom, Eric W, Stevens, Carly J, Veen, G F Ciska, Virtanen, Risto, Wardle, Glenda M, Wilfahrt, Peter A, Harpole, W Stanley, Sub Ecology and Biodiversity, Ecology and Biodiversity, Ladouceur, Emma, Blowes, Shane A, Chase, Jonathan M, Clark, Adam T, Garbowski, Magda, Alberti, Juan, Arnillas, Carlos Alberto, Bakker, Jonathan D, Barrio, Isabel C, Bharath, Siddharth, Borer, Elizabeth T, Brudvig, Lars A, Cadotte, Marc W, Chen, Qingqing, Collins, Scott L, Dickman, Christopher R, Donohue, Ian, Du, Guozhen, Ebeling, Anne, Eisenhauer, Nico, Fay, Philip A, Hagenah, Nicole, Hautier, Yann, Jentsch, Anke, Jónsdóttir, Ingibjörg S, Komatsu, Kimberly, MacDougall, Andrew, Martina, Jason P, Moore, Joslin L, Morgan, John W, Peri, Pablo L, Power, Sally A, Ren, Zhengwei, Risch, Anita C, Roscher, Christiane, Schuchardt, Max A, Seabloom, Eric W, Stevens, Carly J, Veen, G F Ciska, Virtanen, Risto, Wardle, Glenda M, Wilfahrt, Peter A, and Harpole, W Stanley

Published
2022

43. Species losses, gains, and changes in persistent species are associated with distinct effects on ecosystem functioning in global grasslands

Author

Ladouceur, Emma, primary, Blowes, Shane, additional, Chase, Jonathan, additional, Clark, Adam, additional, Garbowski, Magda, additional, Alberti, Juan, additional, Arnillas, Carlos, additional, Bakker, Jonathan, additional, Barrio, Isabel C., additional, Bharath, Siddharth, additional, Borer, Elizabeth, additional, Brudvig, Lars, additional, Cadotte, Marc, additional, Chen, Q. Q., additional, Collins, Scott, additional, Dickman, Christopher, additional, Donohue, Ian, additional, Du, Guo-Zhen, additional, Ebeling, Anne, additional, Eisenhauer, Nico, additional, Fay, Philip, additional, Hagenah, Nicole, additional, Hautier, Yann, additional, Jentsch, Anke, additional, Jónsdóttir, Ingibjörg Svala, additional, Komatsu, Kimberly, additional, MacDougall, Andrew, additional, Martina, Jason, additional, Moore, Joslin, additional, Morgan, John, additional, Peri, Pablo, additional, Power, Sally A, additional, Ren, Zhengwei, additional, Risch, Anita, additional, Roscher, Christiane, additional, Schuchardt, Max, additional, Seabloom, Eric, additional, Stevens, Carly, additional, Veen, Ciska, additional, Virtanen, Risto, additional, Wardle, Glenda, additional, Wilfahrt, Peter, additional, and Harpole, Stan, additional

Published
2022
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44. Productivity Is a Poor Predictor of Plant Species Richness

Author

Adler, Peter B., Seabloom, Eric W., Borer, Elizabeth T., Hillebrand, Helmut, Hautier, Yann, Hector, Andy, Harpole, W. Stanley, O'Halloran, Lydia R., Grace, James B., Anderson, T. Michael, Bakker, Jonathan D., Biederman, Lori A., Brown, Cynthia S., Buckley, Yvonne M., Calabrese, Laura B., Chu, Cheng-Jin, Cleland, Elsa E., Collins, Scott L., Cottingham, Kathryn L., Crawley, Michael J., Damschen, Ellen I., Davies, Kendi F., DeCrappeo, Nicole M., Fay, Philip A., Firn, Jennifer, Frater, Paul, Gasarch, Eve I., Gruner, Daniel S., Hagenah, Nicole, Lambers, Janneke Hille Ris, Humphries, Hope, Jin, Virginia L., Kay, Adam D., Kirkman, Kevin P., Klein, Julia A., Knops, Johannes M. H., La Pierre, Kimberly J., Lambrinos, John G., Li, Wei, MacDougall, Andrew S., McCulley, Rebecca L., Melbourne, Brett A., Mitchell, Charles E., Moore, Joslin L., Morgan, John W., Mortensen, Brent, Orrock, John L., Prober, Suzanne M., Pyke, David A., Risch, Anita C., Schuetz, Martin, Smith, Melinda D., Stevens, Carly J., Sullivan, Lauren L., Wang, Gang, Wragg, Peter D., Wright, Justin P., and Yang, Louie H.

Published
2011
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47. Opposing community assembly patterns for dominant and nondominant plant species in herbaceous ecosystems globally

Author

Arnillas, Carlos Alberto, primary, Borer, Elizabeth T., additional, Seabloom, Eric W., additional, Alberti, Juan, additional, Baez, Selene, additional, Bakker, Jonathan D., additional, Boughton, Elizabeth H., additional, Buckley, Yvonne M., additional, Bugalho, Miguel Nuno, additional, Donohue, Ian, additional, Dwyer, John, additional, Firn, Jennifer, additional, Gridzak, Riley, additional, Hagenah, Nicole, additional, Hautier, Yann, additional, Helm, Aveliina, additional, Jentsch, Anke, additional, Knops, Johannes M. H., additional, Komatsu, Kimberly J., additional, Laanisto, Lauri, additional, Laungani, Ramesh, additional, McCulley, Rebecca, additional, Moore, Joslin L., additional, Morgan, John W., additional, Peri, Pablo Luis, additional, Power, Sally A., additional, Price, Jodi, additional, Sankaran, Mahesh, additional, Schamp, Brandon, additional, Speziale, Karina, additional, Standish, Rachel, additional, Virtanen, Risto, additional, and Cadotte, Marc W., additional

Published
2021
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48. Nutrient enrichment increases invertebrate herbivory and pathogen damage in grasslands

Author

Ebeling, Anne, primary, Strauss, Alex T., additional, Adler, Peter B., additional, Arnillas, Carlos A., additional, Barrio, Isabel C., additional, Biederman, Lori A., additional, Borer, Elizabeth T., additional, Bugalho, Miguel N., additional, Caldeira, Maria C., additional, Cadotte, Marc W., additional, Daleo, Pedro, additional, Eisenhauer, Nico, additional, Eskelinen, Anu, additional, Fay, Philip A., additional, Firn, Jennifer, additional, Graff, Pamela, additional, Hagenah, Nicole, additional, Haider, Sylvia, additional, Komatsu, Kimberly J., additional, McCulley, Rebecca L., additional, Mitchell, Charles E., additional, Moore, Joslin L., additional, Pascual, Jesus, additional, Peri, Pablo L., additional, Power, Sally A., additional, Prober, Suzanne M., additional, Risch, Anita C., additional, Roscher, Christiane, additional, Sankaran, Mahesh, additional, Seabloom, Eric W., additional, Schielzeth, Holger, additional, Schütz, Martin, additional, Speziale, Karina L., additional, Tedder, Michelle, additional, Virtanen, Risto, additional, and Blumenthal, Dana M., additional

Published
2021
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49. Opposing community assembly patterns for dominant and non-dominant plant species in herbaceous ecosystems globally

Author

Arnillas, Carlos Alberto, primary, Borer, Elizabeth, additional, Seabloom, Eric, additional, Alberti, Juan, additional, Baez, Selene, additional, Bakker, Jonathon, additional, Boughton, Elizabeth, additional, Buckley, Yvonne, additional, Bugalho, Miguel, additional, Donohue, Ian, additional, Dwyer, John, additional, Firn, Jennifer, additional, Gridzak, Riley, additional, Hagenah, Nicole, additional, Hautier, Yann, additional, Helm, Aveliina, additional, Jentsch, Anke, additional, Knops, Johannes (Jean) M H, additional, Komatsu, Kimberly (La Pierre), additional, Laanisto, Lauri, additional, Laungani, Ramesh, additional, McCulley, Rebecca, additional, Moore, Joslin, additional, Morgan, John, additional, Peri, Pablo, additional, Power, Sally, additional, Price, Jodi, additional, Sankaran, Mahesh, additional, Schamp, Brandon, additional, Speziale, Karina, additional, Standish, Rachel, additional, Virtanen, Risto, additional, and Cadotte, Marc, additional

Published
2021
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50. Opposing community assembly patterns for dominant and jonnondominant plant species in herbaceous ecosystems globally

Author

Arnillas, Carlos Alberto, Borer, Elizabeth T., Seabloom, Eric W., Alberti, Juan, Baez, Selene, Bakker, Jonathan D., Boughton, Elizabeth H., Buckley, Yvonne M., Bugalho, Miguel Nuno, Donohue, Ian, Dwyer, John, Eskelinen, Anu, Firn, Jennifer, Gridzak, Riley, Hagenah, Nicole, Hautier, Yann, Helm, Aveliina, Jentsch, Anke, Knops, Johannes M.H., Komatsu, Kimberly J., Laanisto, Lauri, Laungani, Ramesh, McCulley, Rebecca, Moore, Joslin L., Morgan, John W., Peri, Pablo Luis, Power, Sally A., Price, Jodi, Sankaran, Mahesh, Schamp, Brandon, Speziale, Karina, Standish, Rachel, Virtanen, Risto, Cadotte, Marc W., Arnillas, Carlos Alberto, Borer, Elizabeth T., Seabloom, Eric W., Alberti, Juan, Baez, Selene, Bakker, Jonathan D., Boughton, Elizabeth H., Buckley, Yvonne M., Bugalho, Miguel Nuno, Donohue, Ian, Dwyer, John, Eskelinen, Anu, Firn, Jennifer, Gridzak, Riley, Hagenah, Nicole, Hautier, Yann, Helm, Aveliina, Jentsch, Anke, Knops, Johannes M.H., Komatsu, Kimberly J., Laanisto, Lauri, Laungani, Ramesh, McCulley, Rebecca, Moore, Joslin L., Morgan, John W., Peri, Pablo Luis, Power, Sally A., Price, Jodi, Sankaran, Mahesh, Schamp, Brandon, Speziale, Karina, Standish, Rachel, Virtanen, Risto, and Cadotte, Marc W.

Abstract

Biotic and abiotic factors interact with dominant plants—the locally most frequent or with the largest coverage—and nondominant plants differently, partially because dominant plants modify the environment where nondominant plants grow. For instance, if dominant plants compete strongly, they will deplete most resources, forcing nondominant plants into a narrower niche space. Conversely, if dominant plants are constrained by the environment, they might not exhaust available resources but instead may ameliorate environmental stressors that usually limit nondominants. Hence, the nature of interactions among nondominant species could be modified by dominant species. Furthermore, these differences could translate into a disparity in the phylogenetic relatedness among dominants compared to the relatedness among nondominants. By estimating phylogenetic dispersion in 78 grasslands across five continents, we found that dominant species were clustered (e.g., co-dominant grasses), suggesting dominant species are likely organized by environmental filtering, and that nondominant species were either randomly assembled or overdispersed. Traits showed similar trends for those sites (<50%) with sufficient trait data. Furthermore, several lineages scattered in the phylogeny had more nondominant species than expected at random, suggesting that traits common in nondominants are phylogenetically conserved and have evolved multiple times. We also explored environmental drivers of the dominant/nondominant disparity. We found different assembly patterns for dominants and nondominants, consistent with asymmetries in assembly mechanisms. Among the different postulated mechanisms, our results suggest two complementary hypotheses seldom explored: (1) Nondominant species include lineages adapted to thrive in the environment generated by dominant species. (2) Even when dominant species reduce resources to nondominant ones, dominant species could have a stronger positive effect on some nondo

Published
2021

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