Global ecosystem thresholds driven by aridity

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  • dc.contributor.author Berdugo, Miguel
  • dc.contributor.author Delgado Baquerizo, Manuel
  • dc.contributor.author Soliveres, Santiago
  • dc.contributor.author Hernández Clemente, Rocío
  • dc.contributor.author Zhao, Yanchuang
  • dc.contributor.author Gaitán, Juan J.
  • dc.contributor.author Gross, Nicolas
  • dc.contributor.author Saiz, Hugo
  • dc.contributor.author Maire, Vincent
  • dc.contributor.author Lehmann, Anika
  • dc.contributor.author Rillig, Matthias C.
  • dc.contributor.author Solé Vicente, Ricard, 1962-
  • dc.contributor.author Maestre, Fernando T.
  • dc.date.accessioned 2023-05-02T05:59:21Z
  • dc.date.available 2023-05-02T05:59:21Z
  • dc.date.issued 2020
  • dc.description.abstract Aridity, which is increasing worldwide because of climate change, affects the structure and functioning of dryland ecosystems. Whether aridification leads to gradual (versus abrupt) and systemic (versus specific) ecosystem changes is largely unknown. We investigated how 20 structural and functional ecosystem attributes respond to aridity in global drylands. Aridification led to systemic and abrupt changes in multiple ecosystem attributes. These changes occurred sequentially in three phases characterized by abrupt decays in plant productivity, soil fertility, and plant cover and richness at aridity values of 0.54, 0.7, and 0.8, respectively. More than 20% of the terrestrial surface will cross one or several of these thresholds by 2100, which calls for immediate actions to minimize the negative impacts of aridification on essential ecosystem services for the more than 2 billion people living in drylands.
  • dc.description.sponsorship This research was supported by the European Research Council [ERC grant nos. 242658 (BIOCOM) and 647038 (BIODESERT) awarded to F.T.M.]. M.B. acknowledges support from a Juan de la Cierva Formación grant from the Spanish Ministry of Economy and Competitiveness (FJCI-2018-036520-I). F.T.M. acknowledges support from Generalitat Valenciana (CIDEGENT/2018/041), the Alexander von Humboldt Foundation, and the Synthesis Centre for Biodiversity Sciences (sDiv) of the German Centre for Integrative Biodiversity Research (iDiv). M.D.-B. acknowledges support from the Marie Sklodowska-Curie Actions of the Horizon 2020 Framework Program H2020-MSCA-IF-2016 under REA grant no. 702057. S.S. was supported by the Spanish Government under a Ramón y Cajal contract (RYC-2016- 20604). N.G. was supported by the AgreenSkills+ fellowship program, which has received funding from the EU’s Seventh Framework Programme under grant no. FP7-609398 (AgreenSkills+ contract). V.M. was supported by FRQNT-2017-NC-198009 and NSERC Discovery 2016-05716 grants from the government of Canada. H.S. was supported by a Juan de la Cierva Formación grant from the Spanish Ministry of Economy and Competitiveness (FJCI-2015-26782). A.L. and M.C.R. were supported by an ERC Advanced Grant (Gradual Change grant no. 694368) and by the Deutsche Forschungsgesellschaft (grant no. RI 1815/16-1). Y.Z. was supported by the Strategic Priority Research Program of the Chinese Academy of Sciences (grant no. XDA19030500). R.V.S. was supported the Spanish Ministry of Economy and Competitiveness (grant FIS2015-67616-P) and by the Botin Foundation.
  • dc.format.mimetype application/pdf
  • dc.identifier.citation Berdugo M, Delgado-Baquerizo M, Soliveres S, Hernández-Clemente R, Zhao Y, Gaitán JJ, Gross N, Saiz H, Maire V, Lehmann A, Rillig MC, Solé RV, Maestre FT. Global ecosystem thresholds driven by aridity. Science. 2020;367(6479):787-90. DOI: 10.1126/science.aay5958
  • dc.identifier.doi http://dx.doi.org/10.1126/science.aay5958
  • dc.identifier.issn 0036-8075
  • dc.identifier.uri http://hdl.handle.net/10230/56624
  • dc.language.iso eng
  • dc.publisher American Association for the Advancement of Science (AAAS)
  • dc.relation.ispartof Science. 2020;367(6479):787-90
  • dc.relation.projectID info:eu-repo/grantAgreement/EC/FP7/242658
  • dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/647038
  • dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/702057
  • dc.relation.projectID info:eu-repo/grantAgreement/EC/FP7/609398
  • dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/694368
  • dc.rights This is the author’s version of the work. It is posted here by permission of the AAAS for personal use, not for redistribution. The definitive version was published in Science on 2020;367(6479):787-90, DOI: 10.1126/science.aay5958.
  • dc.rights.accessRights info:eu-repo/semantics/openAccess
  • dc.title Global ecosystem thresholds driven by aridity
  • dc.type info:eu-repo/semantics/article
  • dc.type.version info:eu-repo/semantics/acceptedVersion

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