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hal.structure.identifierÉcotron Européen de Montpellier
dc.contributor.authorROY, Jacques
hal.structure.identifierUnité de recherche sur l'Ecosystème Prairial [UREP]
dc.contributor.authorPICON-COCHARD, Catherine
hal.structure.identifierUnité de recherche sur l'Ecosystème Prairial [UREP]
dc.contributor.authorAUGUSTI, Angela
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorBENOT, Marie-Lise
dc.contributor.authorTHIERY, Lionel
hal.structure.identifierUnité de recherche sur l'Ecosystème Prairial [UREP]
dc.contributor.authorDARSONVILLE, Olivier
hal.structure.identifierÉcotron Européen de Montpellier
dc.contributor.authorLANDAIS, Damien
hal.structure.identifierÉcotron Européen de Montpellier
dc.contributor.authorPIEL, Clément
dc.contributor.authorDEFOSSEZ, Marc
hal.structure.identifierÉcotron Européen de Montpellier
dc.contributor.authorDEVIDAL, Sebastien
hal.structure.identifierÉcotron Européen de Montpellier
dc.contributor.authorESCAPE, Christophe
hal.structure.identifierÉcotron Européen de Montpellier
dc.contributor.authorRAVEL, Olivier
hal.structure.identifierCentre d’Ecologie Fonctionnelle et Evolutive [CEFE]
dc.contributor.authorFROMIN, Nathalie
hal.structure.identifierCentre d’Ecologie Fonctionnelle et Evolutive [CEFE]
dc.contributor.authorVOLAIRE, Florence
hal.structure.identifierÉcotron Européen de Montpellier
hal.structure.identifierCentre d’Ecologie Fonctionnelle et Evolutive [CEFE]
dc.contributor.authorMILCU, Alexandru
hal.structure.identifierUniversität Innsbruck [Innsbruck]
dc.contributor.authorBAHN, Michael
hal.structure.identifierCollège de Direction [CODIR]
dc.contributor.authorSOUSSANA, Jean-François
dc.date.issued2016-05-31
dc.identifier.issn0027-8424
dc.description.abstractEnExtreme climatic events (ECEs) such as droughts and heat waves are predicted to increase in intensity and frequency and impact the terrestrial carbon balance. However, we lack direct experimental evidence of how the net carbon uptake of ecosystems is affected by ECEs under future elevated atmospheric CO2 concentrations (eCO2). Taking advantage of an advanced controlled environment facility for ecosystem research (Ecotron), we simulated eCO2 and extreme cooccurring heat and drought events as projected for the 2050s and analyzed their effects on the ecosystem-level carbon and water fluxes in a C3 grassland. Our results indicate that eCO2 not only slows down the decline of ecosystem carbon uptake during the ECE but also enhances its recovery after the ECE, as mediated by increases of root growth and plant nitrogen uptake induced by the ECE. These findings indicate that, in the predicted near future climate, eCO2 could mitigate the effects of extreme droughts and heat waves on ecosystem net carbon uptake.
dc.description.sponsorshipVulnérabilité des prairies et des élevages au changement climatique et aux événements extrêmes.
dc.description.sponsorshipANAEE-Services - ANR-11-INBS-0001
dc.language.isoen
dc.publisherNational Academy of Sciences
dc.rights.urihttp://creativecommons.org/licenses/by-nc/
dc.title.enElevated CO2 maintains grassland net carbon uptake under a future heat and drought extreme
dc.typeArticle de revue
dc.identifier.doi10.1073/pnas.1524527113
dc.subject.halSciences de l'environnement/Biodiversité et Ecologie
dc.subject.halSciences de l'environnement/Milieux et Changements globaux
dc.subject.halSciences du Vivant [q-bio]/Ecologie, Environnement/Interactions entre organismes
dc.subject.halSciences du Vivant [q-bio]/Ecologie, Environnement/Ecosystèmes
dc.description.sponsorshipEuropeAN Integration of Mitigation and Adaptation options for sustainable Livestock production under climate CHANGE
dc.description.sponsorshipEuropeDistributed Infrastructure for EXPErimentation in Ecosystem Research
bordeaux.journalProceedings of the National Academy of Sciences of the United States of America
bordeaux.page6224-6229
bordeaux.volume113
bordeaux.issue22
bordeaux.peerReviewedoui
hal.identifierhal-02127043
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02127043v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Proceedings%20of%20the%20National%20Academy%20of%20Sciences%20of%20the%20United%20States%20of%20America&rft.date=2016-05-31&rft.volume=113&rft.issue=22&rft.spage=6224-6229&rft.epage=6224-6229&rft.eissn=0027-8424&rft.issn=0027-8424&rft.au=ROY,%20Jacques&PICON-COCHARD,%20Catherine&AUGUSTI,%20Angela&BENOT,%20Marie-Lise&THIERY,%20Lionel&rft.genre=article


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