35 results on '"Arredondo, Tulio"'
Search Results
2. Soil fungal abundance and plant functional traits drive fertile island formation in global drylands
- Author
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Ochoa-Hueso, Raúl, Soliveres, Santiago, Eldridge, David J., Bowker, Matthew A., Delgado-Baquerizo, Manuel, Gross, Nicolas, Le Bagousse-Pinguet, Yoann, Arredondo, Tulio, Quero, José L., García-Gómez, Miguel, Valencia, Enrique, Beinticinco, Laura, Bran, Donaldo, Cea, Alex, Coaguila, Daniel, Gaitán, Juan, Dougill, Andrew J., Espinosa, Carlos I., Guuroh, Reginald T., Guzman, Elizabeth, Gutiérrez, Julio R., Hernández, Rosa M., Huber-Sannwald, Elisabeth, Linstädter, Anja, Jeffries, Thomas, Mau, Rebecca L., Monerris, Jorge, Prina, Aníbal, Pucheta, Eduardo, Stavi, Ilan, Thomas, Andrew D., Singh, Brajesh K., Maestre, Fernando T., and Zaady, Eli
- Published
- 2018
3. Grazing and ecosystem service delivery in global drylands
- Author
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Maestre, Fernando T., Le Bagousse-Pinguet, Yoann, Delgado-Baquerizo, Manuel, Eldridge, David J., Saiz, Hugo, Berdugo, Miguel, Gozalo, Beatriz, Ochoa, Victoria, Guirado, Emilio, García-Gómez, Miguel, Valencia, Enrique, Gaitán, Juan J., Asensio, Sergio, Mendoza, Betty J., Plaza, César, Díaz-Martínez, Paloma, Rey, Ana, Hu, Hang-Wei, He, Ji-Zheng, Wang, Jun-Tao, Lehmann, Anika, Rillig, Matthias C., Cesarz, Simone, Eisenhauer, Nico, Martínez-Valderrama, Jaime, Moreno-Jiménez, Eduardo, Sala, Osvaldo, Abedi, Mehdi, Ahmadian, Negar, Alados, Concepción L., Aramayo, Valeria, Amghar, Fateh, Arredondo, Tulio, Ahumada, Rodrigo J., Bahalkeh, Khadijeh, Ben Salem, Farah, Blaum, Niels, Boldgiv, Bazartseren, Bowker, Matthew A., Bran, Donaldo, Bu, Chongfeng, Canessa, Rafaella, Castillo-Monroy, Andrea P., Castro, Helena, Castro, Ignacio, Castro-Quezada, Patricio, Chibani, Roukaya, Conceição, Abel A., Currier, Courtney M., Darrouzet-Nardi, Anthony, Deák, Balázs, Donoso, David A., Dougill, Andrew J., Durán, Jorge, Erdenetsetseg, Batdelger, Espinosa, Carlos I., Fajardo, Alex, Farzam, Mohammad, Ferrante, Daniela, Frank, Anke S. K., Fraser, Lauchlan H., Gherardi, Laureano A., Greenville, Aaron C., Guerra, Carlos A., Gusmán-Montalvan, Elizabeth, Hernández-Hernández, Rosa M., Hölzel, Norbert, Huber-Sannwald, Elisabeth, Hughes, Frederic M., Jadán-Maza, Oswaldo, Jeltsch, Florian, Jentsch, Anke, Kaseke, Kudzai F., Köbel, Melanie, Koopman, Jessica E., Leder, Cintia V., Linstädter, Anja, le Roux, Peter C., Li, Xinkai, Liancourt, Pierre, Liu, Jushan, Louw, Michelle A., Maggs-Kölling, Gillian, Makhalanyane, Thulani P., Issa, Oumarou Malam, Manzaneda, Antonio J., Marais, Eugene, Mora, Juan P., Moreno, Gerardo, Munson, Seth M., Nunes, Alice, Oliva, Gabriel, Oñatibia, Gastón R., Peter, Guadalupe, Pivari, Marco O. D., Pueyo, Yolanda, Quiroga, R. Emiliano, Rahmanian, Soroor, Reed, Sasha C., Rey, Pedro J., Richard, Benoit, Rodríguez, Alexandra, Rolo, Víctor, Rubalcaba, Juan G., Ruppert, Jan C., Salah, Ayman, Schuchardt, Max A., Spann, Sedona, Stavi, Ilan, Stephens, Colton R. A., Swemmer, Anthony M., Teixido, Alberto L., Thomas, Andrew D., Throop, Heather L., Tielbörger, Katja, Travers, Samantha, Val, James, Valkó, Orsolya, van den Brink, Liesbeth, Ayuso, Sergio Velasco, Velbert, Frederike, Wamiti, Wanyoike, Wang, Deli, Wang, Lixin, Wardle, Glenda M., Yahdjian, Laura, Zaady, Eli, Zhang, Yuanming, Zhou, Xiaobing, Singh, Brajesh K., Gross, Nicolas, Universidad de Alicante, Instituto de Recursos Naturales y Agrobiología de Sevilla (IRNAS), Consejo Superior de Investigaciones Científicas [Madrid] (CSIC), University of New South Wales [Sydney] (UNSW), University of Zaragoza - Universidad de Zaragoza [Zaragoza], Eidgenössische Technische Hochschule - Swiss Federal Institute of Technology [Zürich] (ETH Zürich), Université d'Alicante, Espagne (UA), Universidad Politécnica de Madrid (UPM), Chinese Academy of Agricultural Sciences (CAAS), Université Clermont Auvergne (UCA), Unité Mixte de Recherche sur l'Ecosystème Prairial - UMR (UREP), VetAgro Sup - Institut national d'enseignement supérieur et de recherche en alimentation, santé animale, sciences agronomiques et de l'environnement (VAS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), European Research Council, Generalitat Valenciana, Alexander von Humboldt Foundation, German Centre for Integrative Biodiversity Research, German Research Foundation, European Commission, Asia Foundation, Fundação para a Ciência e a Tecnologia (Portugal), Ministerio de Ciencia e Innovación (España), Comunidad de Madrid, Northern Arizona University, Consejo Nacional de Ciencia y Tecnología (México), Ministério da Ciência, Tecnologia e Inovação (Brasil), National Science Foundation (US), Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (Brasil), National Research Foundation (South Africa), Federal Ministry of Education and Research (Germany), Natural Sciences and Engineering Research Council of Canada, Australian Research Council, Agencia Estatal de Investigación (España), Junta de Andalucía, National Natural Science Foundation of China, Universidad Nacional de Río Negro, Junta de Extremadura, Ferdowsi University of Mashhad, Environmental Investment Fund of Namibia, Taylor Family Foundation, Maestre, Fernando T., Delgado-Baquerizo, Manuel, Eldridge, David J., Sáiz, Hugo, Berdugo, Miguel, Gozalo, Beatriz, Ochoa, Victoria, Guirado, Emilio, García-Gómez, Miguel, Valencia, Enrique, Gaitán, Juan J., Deák, Balázs, Donoso, David, Dougill, Andrew, Erdenetsetseg, Batdegleg, Espinosa, Carlos Iván, Fajardo, Alex, Farzam, Mohammad, Ferrante, Daniela, Frank, Anke S. K., fraser, Lauchlan, Jeltsch, Florian, Gherardi, Laureano, Greenville, Aaron, Guerra, Carlos A., Gusmán Montalván, Elizabeth, Hernández Hernández, Rosa M., Huber-Sannwald, E., Hughes, Frederic M., Jadán-Maza, O., Jentsch, Anke, Kaseke, Kudzai Farai, Köbel, Melanie, Koopman, Jesica E., Leder, Cintia, Linstädter, Anja, Le Roux, Peter C., Liancourt, Pierre, Liu, Jushan, Munson, Seth M., Low, Michelle A., Maggs Kölling, Gillian, Makhalanyane, Thulani P.7, Malam Issa, Oumarou7, Manzaneda, Antonio J., Marais, Eugene, Mora, Juan P., Moreno, Gerardo, Nunes, Alice, Oliva, Gabriel, Oñatibia, Gastón, Peter, Guadalupe, Pivari, Marco O. D., Pueyo, Yolanda, Quiroga, R Emiliano, Reed, Sasha C., Rey, P.J., Teixido, Alberto L., Richard, Benoit, Rodríguez, Alexandra, Rolo, Víctor, Rubalcaba, Juan G., Salah, Ayman, Stavi, Ilan, Stephens, Colton R. A., Swemmer, Anthony, Thomas, Andrew, Throop, Heather L., Travers, Samantha, Val, James, Valkó, Orsolya, van den Brink, Liesbeth, Velasco Ayuso, Sergio, Velbert, Frederike, Wamiti, Wanyoike, Asencio, Sergio, Wang, Deli, Wang, Lixin, Wardle, Glenda M., Yahdjian, Laura, Zaady, Eli, Yuanming, Zhang, Singh, Brajesh K., Gross, Nicolas, Mendoza, Betty J., Plaza de Carlos, César, Rey, Ana, Hu, Hang-Wei, He, Ji-Zheng, Wang, Jun-Tao, Lehmann, Anika, Rillig, Matthias C., Cesarz, Simone, Eisenhauer, Nico, Martínez-Valderrama, Jaime, Moreno-Jiménez, Eduardo, Salas, O., Abedi, Mehdi, Ahmadian , Negar, Alados, Concepción L., Aramayo, Valeria, Amghar, Fateh, Arredondo, Tulio, Ahumada, Rodrigo J., Bahalkeh, Khadijeh, Salem, Farah Ben, Blaum, Niels, Boldgiv, Bazartseren, Browker, Matthew A., Bran, Donaldo, Bu, Chongfeng, Canessa, Rafaella, Castro, Helena, Castro, Ignacio, Castro-Quezada, Patricio, Conceição, Abel A., Currier, Courtney M., Darrouzet-Nardi, Anthony, Universidad de Alicante. Departamento de Ecología, Universidad de Alicante. Instituto Multidisciplinar para el Estudio del Medio 'Ramón Margalef', Laboratorio de Ecología de Zonas Áridas y Cambio Global (DRYLAB), Institut méditerranéen de biodiversité et d'écologie marine et continentale (IMBE), Avignon Université (AU)-Aix Marseille Université (AMU)-Institut de recherche pour le développement [IRD] : UMR237-Centre National de la Recherche Scientifique (CNRS), Universidad Rey Juan Carlos [Madrid] (URJC), 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), and Repositório da Universidade de Lisboa
- Subjects
Livestock ,Multidisciplinary ,Climate Change ,Drylands ,Systems ,Wild ,Biodiversity ,580 Plants (Botany) ,Soil ,Grazing ,[SDE]Environmental Sciences ,Ecosystem services ,Herbivory ,Rangeland - Abstract
7 páginas.- 4 figuras.- 32 referencias.- Supplementary materials: science.org/doi/10.1126/science.abq4062 Materials and Methods Figs. S1 to S19 Tables S1 to S28 References (33–269) MDAR Reproducibility Checklist Movie S1.- 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 speciespoor 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. Copyright © 2022 the authors, 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. Copyright © 2022 the authors, Funding: This research was funded by the European Research Council [ERC grant agreement 647038 (BIODESERT)] and Generalitat Valenciana (CIDEGENT/2018/ 041). F.T.M. acknowledges support from a Rei Jaume I Award, the Alexander von Humboldt Foundation, and the Synthesis Center (sDiv) of the German Centre for Integrative Biodiversity Research Halle–Jena–Leipzig (iDiv). C.A.G., S.C., and N.E. acknowledge support from iDiv and the Deutsche Forschungsgemeinschaft (DFG– FZT 118, 202548816; Flexpool proposal 34600850). Y.L.B.-P. was supported by a Marie Sklodowska-Curie Actions Individual Fellowship (MSCA-IF) within the European Program Horizon 2020 (DRYFUN Project 656035). N.G. was supported by CAP 20-25 (16-IDEX-0001) and the AgreenSkills+ fellowship program, which has received funding from the EU’s Seventh Framework Programme under grant agreement N° FP7-609398 (AgreenSkills+ contract). B.B. and B.E. were supported by the Taylor Family–Asia Foundation Endowed Chair in Ecology and Conservation Biology. J.D., A.Ro., and H.C. acknowledge support from the Fundação para a Ciência e a Tecnologia (IF/00950/ 2014 and 2020.03670.CEECIND, SFRH/BDP/108913/2015, and in the scope of the framework contract foreseen in the numbers 4-6 of the article 23, of the Decree-Law 57/2016, August 29, changed by Law 57/2017, July 19, respectively), as well as from the MCTES, FSE, UE, and the CFE (UIDB/04004/2020) research unit financed by Fundação para a Ciência e a Tecnologia/MCTES through national funds (PIDDAC). C.P. acknowledges support from the Spanish Ministry of Science and Innovation (ref. AGL201675762-R, AEI/FEDER, UE, and PID2020-116578RB-I00, MCIN/AEI/10.13039/501100011033) and the European Union’s Horizon 2020 Research and Innovation Programme under grant agreement no. 101000224. E.V. was funded by the 2017 program for attracting and retaining talent of Comunidad de Madrid (no. 2017‐T2/ AMB‐5406). M.A.B. acknowledges support from the School of Forestry and College of the Environment, Forestry and Natural Sciences of Northern Arizona University. E.H.-S. acknowledges support from the Consejo Nacional de Ciencia y Tecnología (SEP-CB-2015-01-251388, PN 2017-5036 and PRONAII 319059). F.M.H. acknowledges support from the National Council for Scientific and Technological Development (CNPq - PCI/INMA) of the Brazilian Ministry of Science, Technology and Innovation (MCTI, processes number 302381/2020-1). H.L.T. acknowledges support from the US National Science Foundation (NSF) (DEB 0953864). A.N. and M.K. acknowledge support from the Fundação para a Ciência e a Tecnologia (SFRH/BD/130274/2017, CEECIND/02453/2018/CP1534/CT0001, PTDC/ASP-SIL/7743/2020 and UIDB/00329/2020). A.A.C. acknowledges support from the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - Brasil (CAPES) - Finance Code 001. J.E.K. and T.P.M. acknowledge the National Research Foundation of South Africa (grant no. 114412). F.J. and N.B. acknowledge support from the German Federal Ministry of Education and Research (BMBF) in the framework of the SPACES projects OPTIMASS (FKZ: 01LL1302A) and ORYCS (FKZ:01LL1804A). A.Li. and A.S.K.F. acknowledge support from the German Federal Ministry of Education and Research (BMBF) in the framework of the SPACES projects Limpopo Living Landscapes (FKZ: 01LL1304D) and SALLnet (FKZ: 01LL1802C). L.W. acknowledges support from the US NSF (EAR 1554894). L.H.F. acknowledges support from the Natural Sciences and Engineering Research Council of Canada Industrial Research Chair Program in Ecosystem Reclamation. S.C.R. acknowledges support from the US Geological Survey Ecosystems Mission Area and the US Bureau of Land Management. G.M.W. acknowledges support from the Australian Research Council. L.v.d.B. and K.T. acknowledge support from the German Research Foundation (DFG) priority research program SPP-1803 “EarthShape: Earth Surface Shaping by Biota” (TI 338/14-1). M.D.-B. acknowledges support from the Spanish Ministry of Science and Innovation for the I+D+i project PID2020-115813RA-I00 funded by MCIN/AEI/10.13039/501100011033. M.D.-B. is also supported by a project of the Fondo Europeo de Desarrollo Regional (FEDER) and the Consejería de Transformación Económica, Industria, Conocimiento y Universidades of the Junta de Andalucía (FEDER Andalucía 2014-2020 Objetivo temático “01 - Refuerzo de la investigación, el desarrollo tecnológico y la innovación”) associated with the research project P20_00879 (ANDABIOMA). P.J.R. and A.J.M. acknowledge support from Fondo Europeo de Desarrollo Regional through the FEDER Andalucía operative program, FEDER-UJA 1261180 project. A.F. thanks ANID PIA/BASAL FB210006 and Millennium Science Initiative Program NCN2021-050. A.J. acknowledges support from the Bavarian Research Alliance Germany (BayIntAn_UBT_2017_61). C.B. acknowledges the National Natural Science Foundation of China (grant no. 41971131). Biodiversity and ecosystem function research in the B.K.S. laboratory is funded by the Australian Research Council (DP210102081). Any use of trade, product, or firm names in this paper is for descriptive purposes only and does not imply endorsement by the US government. H.S. is supported by a María Zambrano fellowship funded by the Ministry of Universities and European Union-Next Generation plan. G.P. and C.V.L. acknowledge support from Universidad Nacional de Río Negro (PI 40-C-873 and 654). V.R. acknowledges support from the Regional Government of Extremadura (Spain) through a “Talento” fellowship (TA18022). M.F. acknowledges support from the Department of Range and Watershed Management, Ferdowsi University of Mashhad, Mashhad, Iran. Participation of recent graduates in collecting field data at four sites in Namibia was supported by a capacity building grant to Gobabeb–Namib Research Institute by the Environmental Investment Fund in Namibia.
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- 2022
4. EFECTOS DE LA TEMPERATURA EN EL METABOLISMO DE PROTEINAS Y CARBOHIDRATOS Y EL INDICE DE VEGETACION EN TRIGO (Triticum durum L.)/Temperature effects on protein and carbohydrates metabolism and the vegetation index in wheat (Triticum durum L.)
- Author
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Martínez, Leandris Argentel, Garatuza-Payán, Jaime, Yépez, Enrico A., Huerta, Francisco J. Salazar, and Arredondo, Tulio
- Published
- 2018
5. Grazing and ecosystem service delivery in global drylands
- Author
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European Research Council, Generalitat Valenciana, Alexander von Humboldt Foundation, German Centre for Integrative Biodiversity Research, German Research Foundation, European Commission, Asia Foundation, Fundação para a Ciência e a Tecnologia (Portugal), Ministerio de Ciencia e Innovación (España), Comunidad de Madrid, Northern Arizona University, Consejo Nacional de Ciencia y Tecnología (México), Ministério da Ciência, Tecnologia e Inovação (Brasil), National Science Foundation (US), Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (Brasil), National Research Foundation (South Africa), Federal Ministry of Education and Research (Germany), Natural Sciences and Engineering Research Council of Canada, Australian Research Council, Agencia Estatal de Investigación (España), Junta de Andalucía, National Natural Science Foundation of China, Universidad Nacional de Río Negro, Junta de Extremadura, Ferdowsi University of Mashhad, Environmental Investment Fund of Namibia, Taylor Family Foundation, Maestre, Fernando T. [0000-0002-7434-4856], Delgado-Baquerizo, Manuel [0000-0002-6499-576X], Eldridge, David J. [0000-0002-2191-486X], Berdugo, Miguel [0000-0003-1053-8907], Gozalo, Beatriz [0000-0003-3082-4695], Ochoa, Victoria [0000-0002-2055-2094], Guirado, Emilio [0000-0001-5348-7391], García-Gómez, Miguel [0000-0003-3148-1495], Valencia, Enrique [0000-0003-3359-0759], Gaitán, Juan J. [0000-0003-2889-1418], Deák, Balázs [0000-0001-6938-1997], Donoso, David [0000-0002-3408-1457], Erdenetsetseg, Batdegleg [0000-0002-4508-8929], Espinosa, Carlos Iván [0000-0002-5330-4505], Fajardo, Alex [0000-0002-2202-6207], Farzam, Mohammad [0000-0003-1947-0187], Ferrante, Daniela [0000-0002-6056-3839], Frank, Anke S. K. [0000-0002-0177-4898], Fraser, L. H. [0000-0003-3998-5540], Jeltsch, Florian [0000-0002-4670-6469], Gherardi, Laureano [0000-0001-5743-1096], Greenville, Aaron [0000-0002-0113-4778], Guerra, Carlos A. [0000-0003-4917-2105], Gusmán Montalván, Elizabeth [0000-0002-3103-0419], Hernández Hernández, Rosa M. [0000-0003-0689-8862], Huber-Sannwald, E. [0000-0002-8321-1270], Hughes, Frederic M. [0000-0002-5835-953X], Jadán, Oswaldo. [0000-0002-7865-2418], Jentsch, Anke [0000-0002-2345-8300], Kaseke, Kudzai Farai [0000-0002-3856-0711], Köbel, Melanie [0000-0001-8272-7999], Koopman, Jesica E. [0000-0002-7944-7969], Leder, Cintia [0000-0003-4829-4477], Linstädter, Anja [0000-0003-0038-9557], Le Roux, Peter C. [0000-0002-7941-7444], Liancourt, Pierre [0000-0002-3109-8755], Liu, Jushan [0000-0001-7768-914X], Munson, Seth M. [0000-0002-2736-6374], Low, Michelle A. [0000-0002-2148-9752], Maggs Kölling, Gillian [0000-0003-3296-8553], Makhalanyane, Thulani P. [0000-0002-8173-1678], Malam Issa, Oumarou [0000-0001-8357-914X], Manzaneda, Antonio J. [0000-0001-9384-7910], Marais, Eugene [0000-0001-7155-9942], Mora, Juan P. [0000-0002-6335-0150], Moreno, Gerardo [0000-0001-8053-2696], Nunes, Alice [0000-0002-6900-3838], Oliva, Gabriel [0000-0002-7839-8851], Oñatibia, Gastón [0000-0003-2329-6601], Peter, Guadalupe [0000-0002-7792-7045], Pivari, Marco O. D. [0000-0003-1764-4577], Pueyo, Yolanda [0000-0001-6970-7790], Quiroga, R Emiliano [0000-0001-9785-451X], Reed, Sasha C. [0000-0002-8597-8619], Rey, P.J. [0000-0001-5550-0393], Teixido, Alberto L. [0000-0001-8009-1237], Richard, Benoit [0000-0003-4522-027X], Rodríguez, Alexandra [0000-0001-5849-8778], Rolo, Víctor [0000-0001-5854-9512], Rubalcaba, Juan G. [0000-0003-4646-070X], Salah, Ayman [0000-0003-0596-1292], Stavi, Ilan [0000-0001-9725-0003], Stephens, Colton R. A. [0000-0002-8744-6405], Swemmer, Anthony [0000-0003-1378-7394], Thomas, Andrew [0000-0002-1360-1687], Throop, Heather L. [0000-0002-7963-4342], Travers, Samantha [0000-0002-6252-1667], Val, James [0000-0003-4519-4008], Valkó, Orsolya [0000-0001-7919-6293], van den Brink, Liesbeth [0000-0003-0313-8147], Velasco Ayuso, Sergio [0000-0002-5924-8786], Velbert, Frederike [0000-0003-0499-3807], Wamiti, Wanyoike [0000-0001-7300-2101], Asencio, Sergio [0000-0003-4376-2964], Wang, Deli [0000-0001-6576-9193], Wang, Lixin [0000-0003-0968-1247], Wardle, Glenda M. [0000-0003-0189-1899], Yahdjian, Laura [0000-0002-9635-1221], Zaady, Eli [0000-0002-3304-534X], Yuanming, Zhang [0000-0003-1370-4181], Singh, Brajesh K. [0000-0003-4413-4185], Gross, Nicolas [0000-0001-9730-3240], Mendoza, Betty [0000-0003-1149-7801], Plaza de Carlos, César [0000-0001-8616-7001], Rey, Ana [0000-0003-0394-101X], Hu, Hang-Wei [0000-0002-3294-102X], He, Ji-Zheng [0000-0002-9169-8058], Wang, Jun-Tao [0000-0002-1822-2176], Lehmann, Anika [0000-0002-9101-9297], Rillig, Matthias C. [0000-0003-3541-7853], Cesarz, Simone [0000-0003-2334-5119], Eisenhauer, Nico [0000-0002-0371-6720], Martínez-Valderrama, Jaime [0000-0001-5859-5674], Moreno-Jiménez, Eduardo [0000-0002-2125-1197], Salas, O. [0000-0003-0142-9450], Abedi, Mehdi [0000-0002-1499-0119], Ahmadian , Negar [0000-0003-1191-3019], Alados, Concepción L. [0000-0002-6227-861X], Aramayo, Valeria [0000-0003-4827-6914], Amghar, Fateh [0000-0003-0379-7273], Arredondo, Tulio [0000-0003-1969-9942], Ahumada, Rodrigo J. [0000-0002-7246-4459], Bahalkeh, Khadijeh [0000-0003-1485-0316], Salem, Farah Ben [0000-0001-6100-9496], Blaum, Niels [0000-0001-6807-5162], Boldgiv, Bazartseren [0000-0003-0015-8142], Browker, Matthew A. [0000-0002-5891-0264], Bran, Donaldo [0000-0001-7749-2726], Bu, Chongfeng [0000-0002-5839-7229], Canessa, Rafaella [0000-0002-6979-9880], Castro, Helena [0000-0003-1818-1535], Castro, Ignacio [0000-0002-7594-6824], Castro-Quezada, Patricio [0000-0002-2366-2256], Conceição, Abel A. 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[0000-0002-7617-239X], Darrouzet-Nardi, Anthony [0000-0002-2825-7962], Dougill, Andrew [0000-0002-3422-8228], Maestre, Fernando T., Le Bagousse-Pinguet, Yoann, Delgado-Baquerizo, Manuel, Eldridge, David J., Sáiz, Hugo, Berdugo, Miguel, Gozalo, Beatriz, Ochoa, Victoria, Guirado, Emilio, García-Gómez, Miguel, Valencia, Enrique, Zhou, Xiaobing, Singh, Brajesh K., Gross, Nicolas, Mendoza, Betty, Plaza de Carlos, César, Díaz-Martínez, Paloma, Rey, Ana, Hu, Hang-Wei, He, Ji-Zheng, Wang, Jun-Tao, Bu, Chongfeng, Lehmann, Anika, Rillig, Matthias C., Cesarz, Simone, Eisenhauer, Nico, Martínez-Valderrama, Jaime, Moreno-Jiménez, Eduardo, Salas, O., Abedi, Mehdi, Ahmadian , Negar, Alados, Concepcion L., Canessa, Rafaella, Aramayo, Valeria, Amghar, Fateh, Arredondo, Tulio, Ahumada, Rodrigo J., Bahalkeh, Khadijeh, Salem, Farah Ben, Blaum, Niels, Boldgiv, Bazartseren, Browker, Matthew A., Bran, Donaldo, Castillo-Monroy, Andrea P., Castro, Helena, Castro, Ignacio, Castro-Quezada, Patricio, Chibani, Roukaya, Conceição, Abel A., Currier, Courtney M., Darrouzet-Nardi, Anthony, Jeltsch, Florian, Deák, Balázs, Donoso, David, Dougill, Andrew, Durán, Jorge, Erdenetsetseg, Batdegleg, Espinosa, Carlos Iván, Fajardo, Alex, Farzam, Mohammad, Ferrante, Daniela, Frank, Anke S. 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A., Swemmer, Anthony, Gaitán, Juan J., Teixido, Alberto L., Thomas, Andrew, Throop, Heather L., Tielbörger, Katja, Travers, Samantha, Val, James, Valkó, Orsolya, van den Brink, Liesbeth, Velasco Ayuso, Sergio, Velbert, Frederike, Asencio, Sergio, Wamiti, Wanyoike, Wang, Deli, Wang, Lixin, Wardle, Glenda M., Yahdjian, Laura, Zaady, Eli, and Yuanming, Zhang
- 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. Copyright © 2022 the authors
- Published
- 2022
6. Drought manipulation and its direct and legacy effects on productivity of a monodominant and mixed-species semi-arid grassland
- Author
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Arredondo, Tulio, Garcìa-Moya, Edmundo, Huber-Sannwald, Elisabeth, Loescher, Henry W., Delgado-Balbuena, Josue, and Luna-Luna, Miguel
- Published
- 2016
- Full Text
- View/download PDF
7. Human impacts and aridity differentially alter soil N availability in drylands worldwide
- Author
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Delgado-Baquerizo, Manuel, Maestre, Fernando T., Gallardo, Antonio, Eldridge, David J., Soliveres, Santiago, Bowker, Matthew A., Prado-Comesaña, Ana, Gaitán, Juan, Quero, José L., Ochoa, Victoria, Gozalo, Beatriz, García-Gómez, Miguel, García-Palacios, Pablo, Berdugo, Miguel, Valencia, Enrique, Escolar, Cristina, Arredondo, Tulio, Barraza-Zepeda, Claudia, Boeken, Bertrand R., Bran, Donaldo, Cabrera, Omar, Carreira, José A., Chaieb, Mohamed, Conceição, Abel A., Derak, Mchich, Ernst, Ricardo, Espinosa, Carlos I., Florentino, Adriana, Gatica, Gabriel, Ghiloufi, Wahida, Gómez-González, Susana, Gutiérrez, Julio R., Hernández, Rosa M., Huber-Sannwald, Elisabeth, Jankju, Mohammad, Mau, Rebecca L., Miriti, Maria, Monerris, Jorge, Morici, Ernesto, Muchane, Muchai, Naseri, Kamal, Pucheta, Eduardo, Ramírez, Elizabeth, Ramírez-Collantes, David A., Romão, Roberto L., Tighe, Matthew, Torres, Duilio, Torres-Díaz, Cristian, Val, James, Veiga, José P., Wang, Deli, Yuan, Xia, and Zaady, Eli
- Published
- 2016
8. Increasing aridity reduces soil microbial diversity and abundance in global drylands
- Author
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Maestre, Fernando T., Delgado-Baquerizo, Manuel, Jeffries, Thomas C., Eldridge, David J., Ochoa, Victoria, Gozalo, Beatriz, Quero, José Luis, García-Gómez, Miguel, Gallardo, Antonio, Ulrich, Werner, Bowker, Matthew A., Arredondo, Tulio, Barraza-Zepeda, Claudia, Bran, Donaldo, Florentino, Adriana, Gaitán, Juan, Gutiérrez, Julio R., Huber-Sannwald, Elisabeth, Jankju, Mohammad, Mau, Rebecca L., Miriti, Maria, Naseri, Kamal, Ospina, Abelardo, Stavi, Ilan, Wang, Deli, Woods, Natasha N., Yuan, Xia, Zaady, Eli, and Singh, Brajesh K.
- Published
- 2015
9. Dynamics of short-term ecosystem carbon fluxes induced by precipitation events in a semiarid grassland
- Author
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Delgado-Balbuena, Josué, primary, Loescher, Henry W., additional, Aguirre-Gutiérrez, Carlos A., additional, Alfaro-Reyna, Teresa, additional, Pineda-Martínez, Luis F., additional, Vargas, Rodrigo, additional, and Arredondo, Tulio, additional
- Published
- 2022
- Full Text
- View/download PDF
10. Climate and soil attributes determine plant species turnover in global drylands
- Author
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Ulrich, Werner, Soliveres, Santiago, Maestre, Fernando T., Gotelli, Nicholas J., Quero, José L., Delgado-Baquerizo, Manuel, Bowker, Matthew A., Eldridge, David J., Ochoa, Victoria, Gozalo, Beatriz, Valencia, Enrique, Berdugo, Miguel, Escolar, Cristina, Garcia-Gómez, Miguel, Escudero, Adrián, Prina, Aníbal, Alfonso, Gracilea, Arredondo, Tulio, Bran, Donaldo, Cabrera, Omar, Cea, Alex P., Chaieb, Mohamed, Contreras, Jorge, Derak, Mchich, Espinosa, Carlos I., Florentino, Adriana, Gaitán, Juan, Muro, Victoria García, Ghiloufi, Wahida, Gómez-González, Susana, Gutiérrez, Julio R., Hernández, Rosa M., Huber-Sannwald, Elisabeth, Jankju, Mohammad, Mau, Rebecca L., Hughes, Frederic Mendes, Miriti, Maria, Monerris, Jorge, Muchane, Muchai, Naseri, Kamal, Pucheta, Eduardo, Ramírez-Collantes, David A., Raveh, Eran, Romão, Roberto L., Torres-Díaz, Cristian, Val, James, Veiga, José Pablo, Wang, Deli, Yuan, Xia, and Zaady, Eli
- Published
- 2014
11. Dynamics of short-term ecosystem carbon fluxes induced by precipitation events in a semiarid grassland.
- Author
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Delgado-Balbuena, Josué, Loescher, Henry W., Aguirre-Gutiérrez, Carlos A., Alfaro-Reyna, Teresa, Pineda-Martínez, Luis F., Vargas, Rodrigo, and Arredondo, Tulio
- Subjects
ECOSYSTEM dynamics ,ECOLOGICAL disturbances ,GRASSLAND soils ,GRASSLANDS ,SOIL microbiology ,ECOSYSTEMS ,PLANT-soil relationships - Abstract
Infrequent and small precipitation (PPT) events characterize PPT patterns in semiarid grasslands; however, plants and soil microorganisms are adapted to use the unpredictable small pulses of water. Several studies have shown short-term responses of carbon and nitrogen mineralization rates (called the "priming effect" or the Birch effect) stimulated by wet–dry cycles; however, dynamics, drivers, and the contribution of the priming effect to the annual C balance are poorly understood. Thus, we analyzed 6 years of continuous net ecosystem exchange measurements to evaluate the effect of the PPT periodicity and magnitude of individual PPT events on the daily/annual net ecosystem C exchange (NEE) in a semiarid grassland. We included the period between PPT events, previous daytime NEE rate, and previous soil moisture content as the main drivers of the priming effect. Ecosystem respiration (ER) responded within a few hours following a PPT event, whereas it took 5–9 d for gross ecosystem exchange (GEE; where - NEE = GEE + ER) to respond. Precipitation events as low as 0.25 mm increased ER, but cumulative PPT > 40 mm infiltrating deep into the soil profile stimulated GEE. Overall, ER fluxes following PPT events were related to the change in soil water content at shallow depth and previous soil conditions (e.g., previous NEE rate, previous soil water content) and the size of the stimulus (e.g., PPT event size). Carbon effluxes from the priming effect accounted for less than 5 % of ecosystem respiration but were significantly high with respect to the carbon balance. In the long term, changes in PPT regimes to more intense and less frequent PPT events, as expected due to the effects of climate change, could convert the semiarid grassland from a small C sink to a C source. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
12. Grazing and ecosystem service delivery in global drylands
- Author
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Universidad de Alicante. Departamento de Ecología, Universidad de Alicante. Instituto Multidisciplinar para el Estudio del Medio "Ramón Margalef", Maestre, Fernando T., Le Bagousse-Pinguet, Yoann, Delgado-Baquerizo, Manuel, Eldridge, David J., Saiz, Hugo, Berdugo, Miguel, Gozalo, Beatriz, Ochoa, Victoria, Guirado, Emilio, García-Gómez, Miguel, Valencia, Enrique, Bowker, Matthew A., Bran, Donaldo, Bu, Chongfeng, Canessa, Rafaella, Castillo-Monroy, Andrea P., Castro, Helena, Castro, Ignacio, Castro-Quezada, Patricio, Chibani, Roukaya, Conceição, Abel A., Jadán-Maza, Oswaldo, Currier, Courtney M., Darrouzet-Nardi, Anthony, Deák, Balázs, Donoso, David A., Dougill, Andrew J., Durán, Jorge, Erdenetsetseg, Batdelger, Espinosa, Carlos I., Fajardo, Alex, Farzam, Mohammad, Jeltsch, Florian, Ferrante, Daniela, Frank, Anke S.K., Fraser, Lauchlan H., Gherardi, Laureano A., Greenville, Aaron C., Guerra, Carlos A., Gusmán-Montalvan, Elizabeth, Hernández-Hernández, Rosa M., Hölzel, Norbert, Huber-Sannwald, Elisabeth, Jentsch, Anke, Hughes, Frederic M., Kaseke, Kudzai F., Köbel, Melanie, Koopman, Jessica E., Leder, Cintia V., Linstädter, Anja, le Roux, Peter C., Li, Xinkai, Richard, Benoit, Liancourt, Pierre, Liu, Jushan, Louw, Michelle A., Maggs-Kölling, Gillian, Makhalanyane, Thulani P., Malam Issa, Oumarou, Manzaneda, Antonio J., Marais, Eugene, Mora, Juan P., Moreno, Gerardo, Rodríguez, Alexandra, Munson, Seth M., Nunes, Alice, Oliva, Gabriel, Oñatibia, Gastón R., Peter, Guadalupe, Pivari, Marco O.D., Pueyo, Yolanda, Quiroga, R. Emiliano, Rahmanian, Soroor, Reed, Sasha C., Rolo, Víctor, Rey, Pedro J., Rubalcaba, Juan G., Ruppert, Jan C., Salah, Ayman, Schuchardt, Max A., Spann, Sedona, Stavi, Ilan, Stephens, Colton R.A., Gaitán, Juan J., Swemmer, Anthony M., Teixido, Alberto L., Thomas, Andrew D., Throop, Heather L., Tielbörger, Katja, Travers, Samantha, Val, James, Valkó, Orsolya, van den Brink, Liesbeth, Velasco Ayuso, Sergio, Asensio, Sergio, Velbert, Frederike, Wamiti, Wanyoike, Wang, Deli, Wang, Lixin, Wardle, Glenda M., Yahdjian, Laura, Zaady, Eli, Zhang, Yuanming, Zhou, Xiaobing, Singh, Brajesh K., Mendoza, Betty J., Gross, Nicolas, Plaza, César, Díaz-Martínez, Paloma, Rey, Ana, Hu, Hang-Wei, He, Ji-Zheng, Wang, Jun‐Tao, Lehmann, Anika, Rillig, Matthias C., Cesarz, Simone, Eisenhauer, Nico, Martínez-Valderrama, Jaime, Moreno Jiménez, Eduardo, Sala, Osvaldo, Abedi, Mehdi, Ahmadian, Negar, Alados, Concepción L., Aramayo, Valeria, Amghar, Fateh, Arredondo, Tulio, Ahumada, Rodrigo J., Bahalkeh, Khadijeh, Ben Salem, Farah, Blaum, Niels, Boldgiv, Bazartseren, Universidad de Alicante. Departamento de Ecología, Universidad de Alicante. Instituto Multidisciplinar para el Estudio del Medio "Ramón Margalef", Maestre, Fernando T., Le Bagousse-Pinguet, Yoann, Delgado-Baquerizo, Manuel, Eldridge, David J., Saiz, Hugo, Berdugo, Miguel, Gozalo, Beatriz, Ochoa, Victoria, Guirado, Emilio, García-Gómez, Miguel, Valencia, Enrique, Bowker, Matthew A., Bran, Donaldo, Bu, Chongfeng, Canessa, Rafaella, Castillo-Monroy, Andrea P., Castro, Helena, Castro, Ignacio, Castro-Quezada, Patricio, Chibani, Roukaya, Conceição, Abel A., Jadán-Maza, Oswaldo, Currier, Courtney M., Darrouzet-Nardi, Anthony, Deák, Balázs, Donoso, David A., Dougill, Andrew J., Durán, Jorge, Erdenetsetseg, Batdelger, Espinosa, Carlos I., Fajardo, Alex, Farzam, Mohammad, Jeltsch, Florian, Ferrante, Daniela, Frank, Anke S.K., Fraser, Lauchlan H., Gherardi, Laureano A., Greenville, Aaron C., Guerra, Carlos A., Gusmán-Montalvan, Elizabeth, Hernández-Hernández, Rosa M., Hölzel, Norbert, Huber-Sannwald, Elisabeth, Jentsch, Anke, Hughes, Frederic M., Kaseke, Kudzai F., Köbel, Melanie, Koopman, Jessica E., Leder, Cintia V., Linstädter, Anja, le Roux, Peter C., Li, Xinkai, Richard, Benoit, Liancourt, Pierre, Liu, Jushan, Louw, Michelle A., Maggs-Kölling, Gillian, Makhalanyane, Thulani P., Malam Issa, Oumarou, Manzaneda, Antonio J., Marais, Eugene, Mora, Juan P., Moreno, Gerardo, Rodríguez, Alexandra, Munson, Seth M., Nunes, Alice, Oliva, Gabriel, Oñatibia, Gastón R., Peter, Guadalupe, Pivari, Marco O.D., Pueyo, Yolanda, Quiroga, R. Emiliano, Rahmanian, Soroor, Reed, Sasha C., Rolo, Víctor, Rey, Pedro J., Rubalcaba, Juan G., Ruppert, Jan C., Salah, Ayman, Schuchardt, Max A., Spann, Sedona, Stavi, Ilan, Stephens, Colton R.A., Gaitán, Juan J., Swemmer, Anthony M., Teixido, Alberto L., Thomas, Andrew D., Throop, Heather L., Tielbörger, Katja, Travers, Samantha, Val, James, Valkó, Orsolya, van den Brink, Liesbeth, Velasco Ayuso, Sergio, Asensio, Sergio, Velbert, Frederike, Wamiti, Wanyoike, Wang, Deli, Wang, Lixin, Wardle, Glenda M., Yahdjian, Laura, Zaady, Eli, Zhang, Yuanming, Zhou, Xiaobing, Singh, Brajesh K., Mendoza, Betty J., Gross, Nicolas, Plaza, César, Díaz-Martínez, Paloma, Rey, Ana, Hu, Hang-Wei, He, Ji-Zheng, Wang, Jun‐Tao, Lehmann, Anika, Rillig, Matthias C., Cesarz, Simone, Eisenhauer, Nico, Martínez-Valderrama, Jaime, Moreno Jiménez, Eduardo, Sala, Osvaldo, Abedi, Mehdi, Ahmadian, Negar, Alados, Concepción L., Aramayo, Valeria, Amghar, Fateh, Arredondo, Tulio, Ahumada, Rodrigo J., Bahalkeh, Khadijeh, Ben Salem, Farah, Blaum, Niels, and Boldgiv, Bazartseren
- 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.
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- 2022
13. Opportunities for advancing carbon cycle science in Mexico: toward a continental scale understanding
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Vargas, Rodrigo, Loescher, Henry W., Arredondo, Tulio, Huber-Sannwald, Elisabeth, Lara-Lara, Rubén, and Yépez, Enrico A.
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- 2012
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14. Plant Species Richness and Ecosystem Multifunctionality in Global Drylands
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Maestre, Fernando T., Quero, José L., Gotelli, Nicholas J., Escudero, Adrián, Ochoa, Victoria, Delgado-Baquerizo, Manuel, García-Gómez, Miguel, Bowker, Matthew A., Soliveres, Santiago, Escolar, Cristina, García-Palacios, Pablo, Berdugo, Miguel, Valencia, Enrique, Gozalo, Beatriz, Gallardo, Antonio, Aguilera, Lorgio, Arredondo, Tulio, Blones, Julio, Boeken, Bertrand, Bran, Donaldo, Conceição, Abel A., Cabrera, Omar, Chaieb, Mohamed, Derak, Mchich, Eldridge, David J., Espinosa, Carlos I., Florentino, Adriana, Gaitán, Juan, Gatica, M. Gabriel, Ghiloufi, Wahida, Gómez-González, Susana, Gutiérrez, Julio R., Hernández, Rosa M., Huang, Xuewen, Huber-Sannwald, Elisabeth, Jankju, Mohammad, Miriti, Maria, Monerris, Jorge, Mau, Rebecca L., Morici, Ernesto, Naseri, Kamal, Ospina, Abelardo, Polo, Vicente, Prina, Aníbal, Pucheta, Eduardo, Ramírez-Collantes, David A., Romão, Roberto, Tighe, Matthew, Torres-Díaz, Cristian, Val, James, Veiga, José P., Wang, Deli, and Zaady, Eli
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- 2012
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15. Fine-Scale Spatial Genetic Structure in Perennial Grasses in Three Environments
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Smith, Steven E., Arredondo, Tulio, Aguiar, Martín, Huber-Sannwald, Elisabeth, Alpuche, Angel, Aguado, Armando, Grageda, Oscar A., Halbrook, Kandres, and Bottini, Cecilia
- Published
- 2009
16. The role of the geologic substrate on Tillandsia recurvata infestation and the development of forest decaying on a semiarid oak forest
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Rodríguez-Robles, Ulises, primary and Arredondo, Tulio, additional
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- 2022
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17. Correlation among vegetative and reproductive variables in wheat under a climate change simulation
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Argentel-Martínez, Leandris, primary, Peñuelas-Rubio, Ofelda, additional, Ponce, José Aurelio Leyva, additional, Arredondo, Tulio, additional, Garatuza-Payan, Jaime, additional, and Yepez, Enrico A., additional
- Published
- 2021
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18. Decoupling of soil nutrient cycles as a function of aridity in global drylands
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Delgado-Baquerizo, Manuel, Maestre, Fernando T., Gallardo, Antonio, Bowker, Matthew A., Wallenstein, Matthew D., Quero, Jose Luis, Ochoa, Victoria, Gozalo, Beatriz, García-Gómez, Miguel, Soliveres, Santiago, García-Palacios, Pablo, Berdugo, Miguel, Valencia, Enrique, Escolar, Cristina, Arredondo, Tulio, Barraza-Zepeda, Claudia, Bran, Donaldo, Carreira, José Antonio, Chaieb, Mohamed, Conceição, Abel A., Derak, Mchich, Eldridge, David J., Escudero, Adrián, Espinosa, Carlos I., Gaitán, Juan, Gatica, Gabriel M., Gómez-González, Susana, Guzman, Elizabeth, Gutiérrez, Julio R., Florentino, Adriana, Hepper, Estela, Hernández, Rosa M., Huber-Sannwald, Elisabeth, Jankju, Mohammad, Liu, Jushan, Mau, Rebecca L., Miriti, Maria, Monerris, Jorge, Naseri, Kamal, Noumi, Zouhaier, Polo, Vicente, Prina, Aníbal, Pucheta, Eduardo, Ramírez, Elizabeth, Ramírez-Collantes, David A., Romão, Roberto, Tighe, Matthew, Torres, Duilio, Torres-Díaz, Cristian, Ungar, Eugene D., Val, James, Wamiti, Wanyoike, Wang, Deli, and Zaady, Eli
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- 2013
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19. Data base for Seasonal Precipitation Legacy Effects Determine the Carbon Balance of a Semiarid Grassland
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Delgado-Balbuena, Josue and Arredondo, Tulio
- Abstract
Data of carbon flux over a semiarid grassland
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- 2018
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20. Water regime and osmotic adjustment under warming conditions on wheat in the Yaqui Valley, Mexico
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Argentel-Martínez, Leandris, primary, Garatuza-Payan, Jaime, additional, Yepez, Enrico A., additional, Arredondo, Tulio, additional, and de los Santos-Villalobos, Sergio, additional
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- 2019
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21. Initial response of phenology and yield components of wheat (Triticum durumL., CIRNO C2008) under experimental warming field conditions in the Yaqui Valley
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Garatuza-Payan, Jaime, primary, Argentel-Martinez, Leandris, additional, Yepez, Enrico A., additional, and Arredondo, Tulio, additional
- Published
- 2018
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22. Technical note: Application of geophysical tools for tree root studies in forest ecosystems in complex soils
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Rodríguez-Robles, Ulises, primary, Arredondo, Tulio, additional, Huber-Sannwald, Elisabeth, additional, Ramos-Leal, José Alfredo, additional, and Yépez, Enrico A., additional
- Published
- 2017
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23. Soil fungal abundance and plant functional traits drive fertile island formation in global drylands
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Ochoa‐Hueso, Raúl, primary, Eldridge, David J., additional, Delgado‐Baquerizo, Manuel, additional, Soliveres, Santiago, additional, Bowker, Matthew A., additional, Gross, Nicolas, additional, Le Bagousse‐Pinguet, Yoann, additional, Quero, José L., additional, García‐Gómez, Miguel, additional, Valencia, Enrique, additional, Arredondo, Tulio, additional, Beinticinco, Laura, additional, Bran, Donaldo, additional, Cea, Alex, additional, Coaguila, Daniel, additional, Dougill, Andrew J., additional, Espinosa, Carlos I., additional, Gaitán, Juan, additional, Guuroh, Reginald T., additional, Guzman, Elizabeth, additional, Gutiérrez, Julio R., additional, Hernández, Rosa M., additional, Huber‐Sannwald, Elisabeth, additional, Jeffries, Thomas, additional, Linstädter, Anja, additional, Mau, Rebecca L., additional, Monerris, Jorge, additional, Prina, Aníbal, additional, Pucheta, Eduardo, additional, Stavi, Ilan, additional, Thomas, Andrew D., additional, Zaady, Eli, additional, Singh, Brajesh K., additional, and Maestre, Fernando T., additional
- Published
- 2017
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24. Supplementary material to "Application of geophysical tools for tree root studies in forest ecosystems in complex soils"
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Rodríguez-Robles, Ulises, primary, Arredondo, Tulio, additional, Huber-Sannwald, Elisabeth, additional, Ramos-Leal, José Alfredo, additional, and Yépez, Enrico A., additional
- Published
- 2017
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25. Application of geophysical tools for tree root studies in forest ecosystems in complex soils
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Rodríguez-Robles, Ulises, primary, Arredondo, Tulio, additional, Huber-Sannwald, Elisabeth, additional, Ramos-Leal, José Alfredo, additional, and Yépez, Enrico A., additional
- Published
- 2017
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26. Human impacts and aridity differentially alter soil N availability in drylands worldwide
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European Commission, European Research Council, Ministerio de Ciencia e Innovación (España), Comisión Nacional de Investigación Científica y Tecnológica (Chile), Delgado-Baquerizo, Manuel, Maestre, F. T., Gallardo, A., Eldridge, David J., Soliveres, Santiago, Bowker, Matthew A., Prado-Comesaña, Ana, Gaitán, Juan, Quero, José L., Ochoa, Victoria, Gozalo, Beatriz, García-Gómez, Miguel, García-Palacios, P., Berdugo, Miguel, Valencia, Enrique, Escolar, Cristina, Arredondo, Tulio, Barraza-Zepeda, Claudia, Boeken, Bertrand R., Bran, Donaldo, Cabrera, Omar, Carreira, José A., Chaïeb, Mohamed, Conceição, Abel A., Derak, Mchich, Ernst, Ricardo, Espinosa, Carlos Iván, Florentino, Adriana, Gatica, Gabriel, Ghiloufi, Wahida, Gómez-González, Susana, Gutiérrez, Julio R., Hernández, Rosa M., Huber-Sannwald, Elisabeth, Jankju, Mohammad, Mau, Rebecca L., Miriti, Maria, Monerris, Jorge, Morici, Ernesto, Muchane, Muchai, Naseri, Kamal, Pucheta, Eduardo, Ramírez, Elizabeth, Ramírez-Collantes, David A., Romão, Roberto L., Tighe, Matthew, Torres, Duilio, Torres-Díaz, Cristian, Val, James, Veiga, José Pablo, Wang, Deli, Yuan, Xia, Zaady, Eli, European Commission, European Research Council, Ministerio de Ciencia e Innovación (España), Comisión Nacional de Investigación Científica y Tecnológica (Chile), Delgado-Baquerizo, Manuel, Maestre, F. T., Gallardo, A., Eldridge, David J., Soliveres, Santiago, Bowker, Matthew A., Prado-Comesaña, Ana, Gaitán, Juan, Quero, José L., Ochoa, Victoria, Gozalo, Beatriz, García-Gómez, Miguel, García-Palacios, P., Berdugo, Miguel, Valencia, Enrique, Escolar, Cristina, Arredondo, Tulio, Barraza-Zepeda, Claudia, Boeken, Bertrand R., Bran, Donaldo, Cabrera, Omar, Carreira, José A., Chaïeb, Mohamed, Conceição, Abel A., Derak, Mchich, Ernst, Ricardo, Espinosa, Carlos Iván, Florentino, Adriana, Gatica, Gabriel, Ghiloufi, Wahida, Gómez-González, Susana, Gutiérrez, Julio R., Hernández, Rosa M., Huber-Sannwald, Elisabeth, Jankju, Mohammad, Mau, Rebecca L., Miriti, Maria, Monerris, Jorge, Morici, Ernesto, Muchane, Muchai, Naseri, Kamal, Pucheta, Eduardo, Ramírez, Elizabeth, Ramírez-Collantes, David A., Romão, Roberto L., Tighe, Matthew, Torres, Duilio, Torres-Díaz, Cristian, Val, James, Veiga, José Pablo, Wang, Deli, Yuan, Xia, and Zaady, Eli
- Abstract
[Aims]: Climate and human impacts are changing the nitrogen (N) inputs and losses in terrestrial ecosystems. However, it is largely unknown how these two major drivers of global change will simultaneously influence the N cycle in drylands, the largest terrestrial biome on the planet. We conducted a global observational study to evaluate how aridity and human impacts, together with biotic and abiotic factors, affect key soil variables of the N cycle., [Location]: Two hundred and twenty-four dryland sites from all continents except Antarctica widely differing in their environmental conditions and human influence., [Methods]: Using a standardized field survey, we measured aridity, human impacts (i.e. proxies of land uses and air pollution), key biophysical variables (i.e. soil pH and texture and total plant cover) and six important variables related to N cycling in soils: total N, organic N, ammonium, nitrate, dissolved organic:inorganic N and N mineralization rates. We used structural equation modelling to assess the direct and indirect effects of aridity, human impacts and key biophysical variables on the N cycle., [Results]: Human impacts increased the concentration of total N, while aridity reduced it. The effects of aridity and human impacts on the N cycle were spatially disconnected, which may favour scarcity of N in the most arid areas and promote its accumulation in the least arid areas., [Main conclusions]: We found that increasing aridity and anthropogenic pressure are spatially disconnected in drylands. This implies that while places with low aridity and high human impact accumulate N, most arid sites with the lowest human impacts lose N. Our analyses also provide evidence that both increasing aridity and human impacts may enhance the relative dominance of inorganic N in dryland soils, having a negative impact on key functions and services provided by these ecosystems.
- Published
- 2016
27. Initial response of phenology and yield components of wheat (Triticum durum L., CIRNO C2008) under experimental warming field conditions in the Yaqui Valley.
- Author
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Garatuza-Payan, Jaime, Argentel-Martinez, Leandris, Yepez, Enrico A., and Arredondo, Tulio
- Subjects
DURUM wheat ,GRAIN yields ,WHEAT yields ,TEMPERATURE control ,BIOLOGICAL rhythms ,CROP canopies - Abstract
This work evaluates the experimental warming effects on phenology and grain yield components of wheat in the Yaqui Valley, Sonora, México, using CIRNO C2008 variety from Triticum durum L., as a model during the cropping cycle of 2016-2017 (December to April). Infrared radiators were deployed to induce experimental warming by 2 °C above ambient crop canopy temperature, in a temperature free-air controlled enhancement system. Temperature was controlled by infrared temperature sensors placed in eight plots which covered a circle of r = 1.5 m starting five days after germination until harvest. The warming treatment caused a reduction of phenophases occurrence starting at the stem extension phenophase. Such phenological responses generated a significant biological cycle reduction of 14 days. Despite this delay, CIRNO C2008 completed its biological cycle adequately. However, plant height under the warming treatment was reduced significantly and differences were particularly observed at the final phenophases of the vegetative cycle. Plant height correlated negatively with spikes length, spikes mass, and number of filled grains. Warming also reduced grain yield in 33%. The warming treatment caused a stress intensity (SI = 1-yield warming/yield control) of 39.4% and 33.2% in biomass and grain yield, respectively. The differences in stress intensities between biomass and grain yield were based on plant height reduction. Grain mass was not affected, demonstrating the crop capability for remobilization and adequate distribution of elaborated substances for the spikes under warming conditions. [ABSTRACT FROM AUTHOR]
- Published
- 2018
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28. Human impacts and aridity differentially alter soil N availability in drylands worldwide
- Author
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Delgado‐Baquerizo, Manuel, primary, Maestre, Fernando T., additional, Gallardo, Antonio, additional, Eldridge, David J., additional, Soliveres, Santiago, additional, Bowker, Matthew A., additional, Prado‐Comesaña, Ana, additional, Gaitán, Juan, additional, Quero, José L., additional, Ochoa, Victoria, additional, Gozalo, Beatriz, additional, García‐Gómez, Miguel, additional, García‐Palacios, Pablo, additional, Berdugo, Miguel, additional, Valencia, Enrique, additional, Escolar, Cristina, additional, Arredondo, Tulio, additional, Barraza‐Zepeda, Claudia, additional, Boeken, Bertrand R., additional, Bran, Donaldo, additional, Cabrera, Omar, additional, Carreira, José A., additional, Chaieb, Mohamed, additional, Conceição, Abel A., additional, Derak, Mchich, additional, Ernst, Ricardo, additional, Espinosa, Carlos I., additional, Florentino, Adriana, additional, Gatica, Gabriel, additional, Ghiloufi, Wahida, additional, Gómez‐González, Susana, additional, Gutiérrez, Julio R., additional, Hernández, Rosa M., additional, Huber‐Sannwald, Elisabeth, additional, Jankju, Mohammad, additional, Mau, Rebecca L., additional, Miriti, Maria, additional, Monerris, Jorge, additional, Morici, Ernesto, additional, Muchane, Muchai, additional, Naseri, Kamal, additional, Pucheta, Eduardo, additional, Ramírez, Elizabeth, additional, Ramírez‐Collantes, David A., additional, Romão, Roberto L., additional, Tighe, Matthew, additional, Torres, Duilio, additional, Torres‐Díaz, Cristian, additional, Val, James, additional, Veiga, José P., additional, Wang, Deli, additional, Yuan, Xia, additional, and Zaady, Eli, additional
- Published
- 2015
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29. Application of geophysical tools for tree root studies in forest ecosystems in complex soils.
- Author
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Rodríguez-Robles, Ulises, Arredondo, Tulio, Huber-Sannwald, Elisabeth, Ramos-Leal, José Alfredo, and Yépez, Enrico A.
- Subjects
GEOPHYSICAL instruments ,PLANT roots ,FOREST ecology ,FOREST soils ,HABITATS ,GROUND penetrating radar ,ELECTRICAL resistivity - Abstract
While semiarid forests frequently colonize rocky substrates, knowledge is scarce on how roots garner resources in these extreme habitats. The Sierra San Miguelito Volcanic Complex in Central Mexico exhibits shallow soils and impermeable rhyolitic-rock outcrops, which impede water movement and root placement beyond the soil matrix. However, rock fractures, exfoliations, and soil pockets potentially permit downward percolation and root growth. With ground penetrating radar (GPR) and electrical resistivity tomography (ERT), two geophysical methods advocated by Jayawickreme et al. (2014) to advance root ecology, we studied root and water distribution in shallow-rocky-soils and rock fractures in a semiarid forest. We calibrated geophysical images with in-situ root measurements, and then extrapolated root distribution over larger areas. With GPR, we identified fine and coarse pine and oak roots with 6 to 75 mm diameters at differential depths in soil and fractures; besides, trees anchored their trunks with coarse roots underneath rock outcroppings. With ETR, we tracked monthly changes in humidity at the soil/bedrock interface, which clearly explained spatial root distribution of both tree species. Geophysical methods have enormous potential in elucidating root ecology. More interdisciplinary research could advance our understanding in belowground ecological niche functions and their role in forest ecohydrology and productivity. [ABSTRACT FROM AUTHOR]
- Published
- 2017
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30. Decoupling of soil nutrient cycles as a function of aridity in global drylands
- Author
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Delgado Baquerizo, Manuel, Maestre, Fernando T., Gallardo, Antonio, Bowker, Mathew A., Wallenstein, Matthew D., Quero, Jose L, Ochoa, Victoria, Gozalo, Beatriz, García Gómez, Miguel, Soliveres, Santiago, García Palacios, Pablo, Berdugo, Miguel, Valencia, Enrique, Escolar, Cristina, Arredondo, Tulio, Barraza Zepeda, Claudia, Bran, Donaldo, Carreira, José Antonio, Chaieb, Mohamed, Conceiçao, Abel A., Derak, Mchich, Eldridge, David J., Escudero, Adrián, Espinosa, Carlos Ivan, Gaitán, Juan, Gatica, M. Gabriel, Gómez González, Susana, Guzman, Elizabeth, Gutiérrez, Julio R., Florentino, Adriana, Hepper, Estela, Hernández, Rosa M., Huber Sannwald, Elisabeth, Jankju, Mohammad, Liu, Jushan, Mau, Rebecca L., Miriti, Maria, Monerris, Jorge, Naseri, Kamal, Noumi, Zouhaier, Polo, Vicente, Prina, Aníbal, Pucheta, Eduardo, Ramírez, Elizabeth, Ramírez Collantes, David A., Romao, Roberto L., Tighe, Matthew, Torres, Duilio, Torres Díaz, Cristian, Ungar, Eugene D., Val, James, Wamiti, Wanyoike, Wang, Deli, Zaady, Eli, Delgado Baquerizo, Manuel, Maestre, Fernando T., Gallardo, Antonio, Bowker, Mathew A., Wallenstein, Matthew D., Quero, Jose L, Ochoa, Victoria, Gozalo, Beatriz, García Gómez, Miguel, Soliveres, Santiago, García Palacios, Pablo, Berdugo, Miguel, Valencia, Enrique, Escolar, Cristina, Arredondo, Tulio, Barraza Zepeda, Claudia, Bran, Donaldo, Carreira, José Antonio, Chaieb, Mohamed, Conceiçao, Abel A., Derak, Mchich, Eldridge, David J., Escudero, Adrián, Espinosa, Carlos Ivan, Gaitán, Juan, Gatica, M. Gabriel, Gómez González, Susana, Guzman, Elizabeth, Gutiérrez, Julio R., Florentino, Adriana, Hepper, Estela, Hernández, Rosa M., Huber Sannwald, Elisabeth, Jankju, Mohammad, Liu, Jushan, Mau, Rebecca L., Miriti, Maria, Monerris, Jorge, Naseri, Kamal, Noumi, Zouhaier, Polo, Vicente, Prina, Aníbal, Pucheta, Eduardo, Ramírez, Elizabeth, Ramírez Collantes, David A., Romao, Roberto L., Tighe, Matthew, Torres, Duilio, Torres Díaz, Cristian, Ungar, Eugene D., Val, James, Wamiti, Wanyoike, Wang, Deli, and Zaady, Eli
- Abstract
The biogeochemical cycles of carbon (C), nitrogen (N) and phosphorus (P) are interlinked by primary production, respiration and decomposition in terrestrial ecosystems. It has been suggested that the C, N and P cycles could become uncoupled under rapid climate change because of the different degrees of control exerted on the supply of these elements by biological and geochemical processes. Climatic controls on biogeochemical cycles are particularly relevant in arid, semi-arid and dry sub-humid ecosystems (drylands) because their biological activity is mainly driven by water availability. The increase in aridity predicted for the twenty-first century in many drylands worldwide may therefore threaten the balance between these cycles, differentially affecting the availability of essential nutrients. Here we evaluate how aridity affects the balance between C, N and P in soils collected from 224 dryland sites from all continents except Antarctica. We find a negative effect of aridity on the concentration of soil organic C and total N, but a positive effect on the concentration of inorganic P. Aridity is negatively related to plant cover, which may favour the dominance of physical processes such as rock weathering, a major source of P to ecosystems, over biological processes that provide more C and N, such as litter decomposition. Our findings suggest that any predicted increase in aridity with climate change will probably reduce the concentrations of N and C in global drylands, but increase that of P. These changes would uncouple the C, N and P cycles in drylands and could negatively affect the provision of key services provided by these ecosystems.
- Published
- 2013
31. Decoupling of soil nutrient cycles as a function of aridity in global drylands
- Author
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European Commission, Ministerio de Ciencia e Innovación (España), Universidad Pablo de Olavide, Delgado-Baquerizo, Manuel [0000-0002-6499-576X], Maestre, Fernando T. [0000-0002-7434-4856], Gallardo, Antonio [0000-0002-2674-4265], Bowker, Matthew A. [0000-0002-5891-0264], Quero Pérez, José Luis [0000-0001-5553-506X], Ochoa, Victoria [0000-0002-2055-2094], Gozalo, Beatriz [0000-0003-3082-4695], García-Palacios, Pablo [0000-0002-6367-4761], Berdugo, Miguel [0000-0003-1053-8907], Eldridge, David J. [0000-0002-2191-486X], Gaitán, Juan J. [0000-0003-2889-1418], Liu, Jushan [0000-0001-7768-914X], Delgado-Baquerizo, Manuel, Maestre, Fernando T., Gallardo, Antonio, Bowker, Matthew A., Wallenstein, Matthew D., Quero Pérez, José Luis, Ochoa, Victoria, García-Gómez, Miguel, Soliveres, Santiago, García-Palacios, Pablo, Berdugo, Miguel, Valencia, Enrique, Escolar, Cristina, Arredondo, Tulio, Barraza-Zepeda, Claudia, Bran, Donaldo, Carreira, José A., Chaïeb, Mohamed, Conceição, Abel A., Derak, Mchich, Eldridge, David J., Escudero, Adrián, Espinosa, Carlos, Gaitán, Juan J., Gatica, Gabriel, Gómez-González, Susana, Guzmán, Elizabeth, Gutiérrez, Julio R., Florentino, Adriana, Hepper; Estela, Hernández, Rosa M., Huber-Sannwald, Elisabeth, Jankju, Mohammad, Liu, Jushan, Mau, Rebecca L., Miriti, Maria, Monerris, Jorge, Naseri, Kamal, Noumi, Zouhaier, Polo, Vicente, Prina, Aníbal, Pucheta, Eduardo, Ramírez, Elizabeth, Ramírez-Collantes, David A., Romão, Roberto L., Tighe, Matthew, Torres, Duilio, Torres-Díaz, Cristian, Ungar, Eugene D., Val, James, Wamiti, Wanyoike, Wang, Deli, Zaady, Eli, European Commission, Ministerio de Ciencia e Innovación (España), Universidad Pablo de Olavide, Delgado-Baquerizo, Manuel [0000-0002-6499-576X], Maestre, Fernando T. [0000-0002-7434-4856], Gallardo, Antonio [0000-0002-2674-4265], Bowker, Matthew A. [0000-0002-5891-0264], Quero Pérez, José Luis [0000-0001-5553-506X], Ochoa, Victoria [0000-0002-2055-2094], Gozalo, Beatriz [0000-0003-3082-4695], García-Palacios, Pablo [0000-0002-6367-4761], Berdugo, Miguel [0000-0003-1053-8907], Eldridge, David J. [0000-0002-2191-486X], Gaitán, Juan J. [0000-0003-2889-1418], Liu, Jushan [0000-0001-7768-914X], Delgado-Baquerizo, Manuel, Maestre, Fernando T., Gallardo, Antonio, Bowker, Matthew A., Wallenstein, Matthew D., Quero Pérez, José Luis, Ochoa, Victoria, García-Gómez, Miguel, Soliveres, Santiago, García-Palacios, Pablo, Berdugo, Miguel, Valencia, Enrique, Escolar, Cristina, Arredondo, Tulio, Barraza-Zepeda, Claudia, Bran, Donaldo, Carreira, José A., Chaïeb, Mohamed, Conceição, Abel A., Derak, Mchich, Eldridge, David J., Escudero, Adrián, Espinosa, Carlos, Gaitán, Juan J., Gatica, Gabriel, Gómez-González, Susana, Guzmán, Elizabeth, Gutiérrez, Julio R., Florentino, Adriana, Hepper; Estela, Hernández, Rosa M., Huber-Sannwald, Elisabeth, Jankju, Mohammad, Liu, Jushan, Mau, Rebecca L., Miriti, Maria, Monerris, Jorge, Naseri, Kamal, Noumi, Zouhaier, Polo, Vicente, Prina, Aníbal, Pucheta, Eduardo, Ramírez, Elizabeth, Ramírez-Collantes, David A., Romão, Roberto L., Tighe, Matthew, Torres, Duilio, Torres-Díaz, Cristian, Ungar, Eugene D., Val, James, Wamiti, Wanyoike, Wang, Deli, and Zaady, Eli
- Abstract
The biogeochemical cycles of carbon (C), nitrogen (N) and phosphorus (P) are interlinked by primary production, respiration and decomposition in terrestrial ecosystems1. It has been suggested that the C, N and P cycles could become uncoupled under rapid climate change because of the different degrees of control exerted on the supply of these elements by biological and geochemical processes1,2,3,4,5. Climatic controls on biogeochemical cycles are particularly relevant in arid, semi-arid and dry sub-humid ecosystems (drylands) because their biological activity is mainly driven by water availability6,7,8. The increase in aridity predicted for the twenty-first century in many drylands worldwide9,10,11 may therefore threaten the balance between these cycles, differentially affecting the availability of essential nutrients12,13,14. Here we evaluate how aridity affects the balance between C, N and P in soils collected from 224 dryland sites from all continents except Antarctica. We find a negative effect of aridity on the concentration of soil organic C and total N, but a positive effect on the concentration of inorganic P. Aridity is negatively related to plant cover, which may favour the dominance of physical processes such as rock weathering, a major source of P to ecosystems, over biological processes that provide more C and N, such as litter decomposition12,13,14. Our findings suggest that any predicted increase in aridity with climate change will probably reduce the concentrations of N and C in global drylands, but increase that of P. These changes would uncouple the C, N and P cycles in drylands and could negatively affect the provision of key services provided by these ecosystems.
- Published
- 2013
32. Human impacts and aridity differentially alter soil N availability in drylands worldwide
- Author
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Val, James, Hernández, Rosa M., Zaady, Eli, Ramírez, Elizabeth, Ernst, Ricardo, Morici, Ernesto, Gozalo, Beatriz, Pucheta, Eduardo, Torres, Duilio, García-Gómez, Miguel, Yuan, Xia, Berdugo, Miguel, Naseri, Kamal, Carreira, José A., Ochoa, Victoria, Wang, Deli, Monerris, Jorge, Jankju, Mohammad, García-Palacios, Pablo, Romão, Roberto L., Ghiloufi, Wahida, Boeken, Bertrand R., Gaitán, Juan, Delgado-Baquerizo, Manuel, Eldridge, David J., Miriti, Maria, Quero, José L., Barraza-Zepeda, Claudia, Espinosa, Carlos I., Gutiérrez, Julio R., Florentino, Adriana, Gallardo, Antonio, Maestre, Fernando T., Torres-Díaz, Cristian, Bran, Donaldo, Derak, Mchich, Mau, Rebecca L., Bowker, Matthew A., Prado-Comesaña, Ana, Chaieb, Mohamed, Escolar, Cristina, Conceição, Abel A., Valencia, Enrique, Gatica, Gabriel, Tighe, Matthew, Ramírez-Collantes, David A., Huber-Sannwald, Elisabeth, Muchane, Muchai, Arredondo, Tulio, Soliveres, Santiago, Veiga, José P., Gómez-González, Susana, and Cabrera, Omar
- Subjects
2. Zero hunger ,13. Climate action ,parasitic diseases ,fungi ,15. Life on land ,580 Plants (Botany) ,geographic locations ,humanities ,6. Clean water - Abstract
Aims Climate and human impacts are changing the nitrogen (N) inputs and losses in terrestrial ecosystems. However, it is largely unknown how these two major drivers of global change will simultaneously influence the N cycle in drylands, the largest terrestrial biome on the planet. We conducted a global observational study to evaluate how aridity and human impacts, together with biotic and abiotic factors, affect key soil variables of the N cycle. Location Two hundred and twenty-four dryland sites from all continents except Antarctica widely differing in their environmental conditions and human influence. Methods Using a standardized field survey, we measured aridity, human impacts (i.e. proxies of land uses and air pollution), key biophysical variables (i.e. soil pH and texture and total plant cover) and six important variables related to N cycling in soils: total N, organic N, ammonium, nitrate, dissolved organic:inorganic N and N mineralization rates. We used structural equation modelling to assess the direct and indirect effects of aridity, human impacts and key biophysical variables on the N cycle. Results Human impacts increased the concentration of total N, while aridity reduced it. The effects of aridity and human impacts on the N cycle were spatially disconnected, which may favour scarcity of N in the most arid areas and promote its accumulation in the least arid areas. Main conclusions We found that increasing aridity and anthropogenic pressure are spatially disconnected in drylands. This implies that while places with low aridity and high human impact accumulate N, most arid sites with the lowest human impacts lose N. Our analyses also provide evidence that both increasing aridity and human impacts may enhance the relative dominance of inorganic N in dryland soils, having a negative impact on key functions and services provided by these ecosystems.
33. Soil fungal abundance and plant functional traits drive fertile island formation in global drylands
- Author
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Ochoa-Hueso, Raúl, Eldridge, David J., Delgado-Baquerizo, Manuel, Soliveres, Santiago, Bowker, Matthew A., Gross, Nicolas, Le Bagousse-Pinguet, Yoann, Quero, José L., García-Gómez, Miguel, Valencia, Enrique, Arredondo, Tulio, Beinticinco, Laura, Bran, Donaldo, Cea, Alex, Coaguila, Daniel, Dougill, Andrew J., Espinosa, Carlos I., Gaitán, Juan, Guuroh, Reginald T., Guzman, Elizabeth, Gutiérrez, Julio R., Hernández, Rosa M., Huber-Sannwald, Elisabeth, Jeffries, Thomas, Linstädter, Anja, Mau, Rebecca L., Monerris, Jorge, Prina, Aníbal, Pucheta, Eduardo, Stavi, Ilan, Thomas, Andrew D., Zaady, Eli, Singh, Brajesh K., and Maestre, Fernando T.
- Subjects
2. Zero hunger ,13. Climate action ,15. Life on land ,580 Plants (Botany) - Abstract
Dryland vegetation is characterized by discrete plant patches that accumulate and capture soil resources under their canopies. These “fertile islands” are major drivers of dryland ecosystem structure and functioning, yet we lack an integrated understanding of the factors controlling their magnitude and variability at the global scale. We conducted a standardized field survey across 236 drylands from five continents. At each site, we measured the composition, diversity and cover of perennial plants. Fertile island effects were estimated at each site by comparing composite soil samples obtained under the canopy of the dominant plants and in open areas devoid of perennial vegetation. For each sample, we measured 15 soil variables (functions) associated with carbon, nitrogen and phosphorus cycling and used the relative interaction index to quantify the magnitude of the fertile island effect for each function. In 80 sites, we also measured fungal and bacterial abundance (quantitative PCR) and diversity (Illumina MiSeq). The most fertile islands, i.e. those where a higher number of functions were simultaneously enhanced, were found at lower elevation sites with greater soil pH values and sand content under semiarid climates, particularly at locations where the presence of tall woody species with a low-specific leaf area increased fungal abundance beneath plant canopies, the main direct biotic controller of the fertile island effect in the drylands studied. Positive effects of fungal abundance were particularly associated with greater nutrient contents and microbial activity (soil extracellular enzymes) under plant canopies. Synthesis. Our results show that the formation of fertile islands in global drylands largely depends on: (1) local climatic, topographic and edaphic characteristics, (2) the structure and traits of local plant communities and (3) soil microbial communities. Our study also has broad implications for the management and restoration of dryland ecosystems worldwide, where woody plants are commonly used as nurse plants to enhance the establishment and survival of beneficiary species. Finally, our results suggest that forecasted increases in aridity may enhance the formation of fertile islands in drylands worldwide.
34. EFECTOS DE LA TEMPERATURA EN EL METABOLISMO DE PROTEÍNAS Y CARBOHIDRATOS Y EL ÍNDICE DE VEGETACIÓN EN TRIGO (Triticum durum L.).
- Author
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Argentel Martínez, Leandris, Garatuza-Payán, Jaime, Yépez, Enrico A., Salazar Huerta, Francisco J., and Arredondo, Tulio
- Abstract
Se estableció un experimento en condiciones de campo en el Valle del Yaqui, Sonora, México, que consistió en elevar la temperatura del trigo en 2 °C por encima de la temperatura ambiente del dosel durante la fenología del cultivo y determinar su efecto en los contenidos de proteínas (PST) y carbohidratos solubles totales (CTS) en tallos y en grano, la tasa de movilización de los carbohidratos (TMC) del tallo, y el índice de vegetación de diferencia normalizada (NDVI). Se utilizó como modelo experimental la variedad de trigo cristalino CIRNO C2008. El contenido de PST, por efecto del calor disminuyó significativamente en la fenofase de espigamiento respecto al tratamiento de Control, lo que denota una senescencia temprana. El contenido CST en el tallo fue mayor en el tratamiento de Calor cuando se determinó 10 días después de la floración. En la maduración no existieron diferencias significativas. El calor impuesto no afectó la TMC. En el grano, el calor no afectó el contenido de PST, pero sí se incrementó el contenido de CST. El NDVI, debido al calor, disminuyó a partir de la fenofase de elongación del tallo hasta la maduración. El máximo valor de NDVI ocurrió, en los tratamientos en la floración, demostrando tolerancia de la variedad al calor para la ocurrencia de esta fenofase. Tales resultados sugieren la factibilidad del uso de CIRNO C2008, como posible progenitor para programas de mejora genética ante el estrés térmico. [ABSTRACT FROM AUTHOR]
- Published
- 2018
35. Grazing and ecosystem service delivery in global drylands.
- Author
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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
- Full Text
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