Vulnerability of mineral-associated soil organic carbon to climate across global drylands

Paloma Díaz-Martínez, Fernando T. Maestre (), Eduardo Moreno-Jiménez (), Manuel Delgado-Baquerizo, David J. Eldridge, Hugo Saiz, Nicolas Gross, Yoann Bagousse-Pinguet, Beatriz Gozalo, Victoria Ochoa, Emilio Guirado, Miguel García-Gómez, Enrique Valencia, Sergio Asensio, Miguel Berdugo, Jaime Martínez-Valderrama, Betty J. Mendoza, Juan C. García-Gil, Claudio Zaccone, Marco Panettieri, Pablo García-Palacios, Wei Fan, Iria Benavente-Ferraces, Ana Rey, Nico Eisenhauer, Simone Cesarz, Mehdi Abedi, Rodrigo J. Ahumada, Julio M. Alcántara, Fateh Amghar, Valeria Aramayo, Antonio I. Arroyo, Khadijeh Bahalkeh, Farah Salem, Niels Blaum, Bazartseren Boldgiv, Matthew A. Bowker, Donaldo Bran, Cristina Branquinho, Chongfeng Bu, Yonatan Cáceres, Rafaella Canessa, Andrea P. Castillo-Monroy, Ignacio Castro, Patricio Castro-Quezada, Roukaya Chibani, Abel A. Conceição, Courtney M. Currier, Anthony Darrouzet-Nardi, Balázs Deák, Christopher R. Dickman, David A. Donoso, Andrew J. Dougill, Jorge Durán, Hamid Ejtehadi, Carlos Espinosa, Alex Fajardo, Mohammad Farzam, Daniela Ferrante, Lauchlan H. Fraser, Juan J. Gaitán, Elizabeth Gusman Montalván, Rosa M. Hernández-Hernández, Andreas Hessberg, Norbert Hölzel, Elisabeth Huber-Sannwald, Frederic M. Hughes, Oswaldo Jadán-Maza, Katja Geissler, Anke Jentsch, Mengchen Ju, Kudzai F. Kaseke, Liana Kindermann, Jessica E. Koopman, Peter C. Roux, Pierre Liancourt, Anja Linstädter, Jushan Liu, Michelle A. Louw, Gillian Maggs-Kölling, Thulani P. Makhalanyane, Oumarou Malam Issa, Eugene Marais, Pierre Margerie, Antonio J. Mazaneda, Mitchel P. McClaran, João Vitor S. Messeder, Juan P. Mora, Gerardo Moreno, Seth M. Munson, Alice Nunes, Gabriel Oliva, Gastón R. Oñatibia, Brooke Osborne, Guadalupe Peter, Yolanda Pueyo, R. Emiliano Quiroga, Sasha C. Reed, Victor M. Reyes, Alexandra Rodríguez, Jan C. Ruppert, Osvaldo Sala, Ayman Salah, Julius Sebei, Michael Sloan, Shijirbaatar Solongo, Ilan Stavi, Colton R. A. Stephens, Alberto L. Teixido, Andrew D. Thomas, Heather L. Throop, Katja Tielbörger, Samantha Travers, James Val, Orsolya Valko, Liesbeth Brink, Frederike Velbert, Wanyoike Wamiti, Deli Wang, Lixin Wang, Glenda M. Wardle, Laura Yahdjian, Eli Zaady, Juan M. Zeberio, Yuanming Zhang, Xiaobing Zhou and César Plaza ()
Additional contact information
Paloma Díaz-Martínez: CSIC
Fernando T. Maestre: King Abdullah University of Science and Technology
Eduardo Moreno-Jiménez: Universidad Autónoma de Madrid
Manuel Delgado-Baquerizo: CSIC
David J. Eldridge: University of New South Wales
Hugo Saiz: Universidad de Zaragoza
Nicolas Gross: Unité Mixte de Recherche Ecosystème Prairial
Yoann Bagousse-Pinguet: Aix Marseille Univ, CNRS, Avignon Université, IRD, IMBE
Beatriz Gozalo: Universidad de Alicante
Victoria Ochoa: CSIC
Emilio Guirado: Universidad de Alicante
Miguel García-Gómez: Universidad Politécnica de Madrid
Enrique Valencia: Universidad Complutense de Madrid
Sergio Asensio: Universidad de Alicante
Miguel Berdugo: Universidad Complutense de Madrid
Jaime Martínez-Valderrama: Universidad de Alicante
Betty J. Mendoza: Universidad Rey Juan Carlos
Juan C. García-Gil: CSIC
Claudio Zaccone: University of Verona
Marco Panettieri: CSIC
Pablo García-Palacios: CSIC
Wei Fan: Jilin Academy of Agricultural Sciences
Iria Benavente-Ferraces: CSIC
Ana Rey: CSIC
Nico Eisenhauer: German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig
Simone Cesarz: German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig
Mehdi Abedi: Tarbiat Modares University
Rodrigo J. Ahumada: Estación Experimental Agropecuaria Catamarca
Julio M. Alcántara: Universidad de Jaén
Fateh Amghar: Université M’hamed Bougara de Boumerdès
Valeria Aramayo: Estación Experimental Agropecuaria Bariloche
Antonio I. Arroyo: CSIC
Khadijeh Bahalkeh: Tarbiat Modares University
Farah Salem: Institut des Régions Arides (IRA)
Niels Blaum: University of Potsdam
Bazartseren Boldgiv: National University of Mongolia
Matthew A. Bowker: Northern Arizona University
Donaldo Bran: Estación Experimental Agropecuaria Bariloche
Cristina Branquinho: Universidade de Lisboa Campo Grande
Chongfeng Bu: Northwest Agriculture and Forestry University
Yonatan Cáceres: Universidad de Extremadura
Rafaella Canessa: German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig
Andrea P. Castillo-Monroy: Universidad de las Américas Campus Udlapark
Ignacio Castro: Universidad Nacional Experimental Simón Rodríguez (UNESR)
Patricio Castro-Quezada: Universidad de Cuenca
Roukaya Chibani: Institut des Régions Arides (IRA)
Abel A. Conceição: Universidade Estadual de Feira de Santana
Courtney M. Currier: University of Cambridge
Anthony Darrouzet-Nardi: University of Texas at El Paso
Balázs Deák: HUN-REN Centre for Ecological Research
Christopher R. Dickman: The University of Sydney
David A. Donoso: Universidad de las Américas Campus Udlapark
Andrew J. Dougill: University of Leeds
Jorge Durán: CSIC
Hamid Ejtehadi: Ferdowsi University of Mashhad
Carlos Espinosa: Universidad Técnica Particular de Loja
Alex Fajardo: Universidad de Talca
Mohammad Farzam: Ferdowsi University of Mashhad
Daniela Ferrante: Universidad Nacional de la Patagonia Austral
Lauchlan H. Fraser: Thompson Rivers University
Juan J. Gaitán: Consejo Nacional de Investigaciones Científicas y Técnicas de Argentina (CONICET)
Elizabeth Gusman Montalván: Universidad Técnica Particular de Loja
Rosa M. Hernández-Hernández: Universidad Nacional Experimental Simón Rodríguez (UNESR)
Andreas Hessberg: University of Bayreuth
Norbert Hölzel: University of Münster
Elisabeth Huber-Sannwald: Instituto Potosino de Investigación Científica y Tecnológica, A.C.
Frederic M. Hughes: Universidade Estadual de Feira de Santana
Oswaldo Jadán-Maza: Universidad de Cuenca
Katja Geissler: University of Potsdam
Anke Jentsch: University of Bayreuth
Mengchen Ju: Northwest Agriculture and Forestry University
Kudzai F. Kaseke: University of California
Liana Kindermann: University of Potsdam
Jessica E. Koopman: University of Pretoria
Peter C. Roux: University of Pretoria
Pierre Liancourt: University of Tübingen
Anja Linstädter: University of Potsdam
Jushan Liu: Northeast Normal University
Michelle A. Louw: University of Pretoria
Gillian Maggs-Kölling: Gobabeb–Namib Research Institute
Thulani P. Makhalanyane: Stellenbosch University
Oumarou Malam Issa: Institut d’Écologie et des Sciences de l’Environnement de Paris (iEES-Paris), Sorbonne Université, IRD, CNRS, INRAE, Université Paris Est Creteil, Université de Paris
Eugene Marais: Gobabeb–Namib Research Institute
Pierre Margerie: Normandie Univ
Antonio J. Mazaneda: Universidad de Jaén
Mitchel P. McClaran: University of Arizona
João Vitor S. Messeder: The Pennsylvania State University
Juan P. Mora: Universidad de Talca
Gerardo Moreno: Universidad de Extremadura
Seth M. Munson: US Geological Survey
Alice Nunes: Universidade de Lisboa Campo Grande
Gabriel Oliva: Universidad Nacional de la Patagonia Austral
Gastón R. Oñatibia: Universidad de Buenos Aires
Brooke Osborne: Utah State University
Guadalupe Peter: Consejo Nacional de Investigaciones Científicas y Técnicas de Argentina (CONICET)
Yolanda Pueyo: CSIC
R. Emiliano Quiroga: Estación Experimental Agropecuaria Catamarca
Sasha C. Reed: US Geological Survey
Victor M. Reyes: Instituto de Ecologia, INECOL
Alexandra Rodríguez: CSIC
Jan C. Ruppert: University of Tübingen
Osvaldo Sala: Arizona State University
Ayman Salah: Al-Quds University
Julius Sebei: Makhado Department of Agriculture
Michael Sloan: Northern Arizona University
Shijirbaatar Solongo: Sustainable Fibre Alliance
Ilan Stavi: The Dead-Sea and Arava Science Center
Colton R. A. Stephens: Thompson Rivers University
Alberto L. Teixido: Universidad Complutense de Madrid
Andrew D. Thomas: Aberystwyth University
Heather L. Throop: Arizona State University
Katja Tielbörger: University of Tübingen
Samantha Travers: University of New South Wales
James Val: New South Wales Government
Orsolya Valko: HUN-REN Centre for Ecological Research
Liesbeth Brink: University of Tübingen
Frederike Velbert: University of Münster
Wanyoike Wamiti: National Museums of Kenya
Deli Wang: Northeast Normal University
Lixin Wang: Indiana University Indianapolis
Glenda M. Wardle: The University of Sydney
Laura Yahdjian: Universidad de Buenos Aires
Eli Zaady: Sdot Negev
Juan M. Zeberio: Universidad Nacional de Río Negro, Sede Atlántica
Yuanming Zhang: Chinese Academy of Sciences
Xiaobing Zhou: Chinese Academy of Sciences
César Plaza: CSIC

Nature Climate Change, 2024, vol. 14, issue 9, 976-982

Abstract: Abstract Mineral-associated organic carbon (MAOC) constitutes a major fraction of global soil carbon and is assumed less sensitive to climate than particulate organic carbon (POC) due to protection by minerals. Despite its importance for long-term carbon storage, the response of MAOC to changing climates in drylands, which cover more than 40% of the global land area, remains unexplored. Here we assess topsoil organic carbon fractions across global drylands using a standardized field survey in 326 plots from 25 countries and 6 continents. We find that soil biogeochemistry explained the majority of variation in both MAOC and POC. Both carbon fractions decreased with increases in mean annual temperature and reductions in precipitation, with MAOC responding similarly to POC. Therefore, our results suggest that ongoing climate warming and aridification may result in unforeseen carbon losses across global drylands, and that the protective role of minerals may not dampen these effects.

Date: 2024
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DOI: 10.1038/s41558-024-02087-y

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