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Tree drought–mortality risk depends more on intrinsic species resistance than on stand species diversity

hal.structure.identifierEcologie des Forêts Méditerranéennes [URFM]
hal.structure.identifierEcologie fonctionnelle et biogéochimie des sols et des agro-écosystèmes [UMR Eco&Sols]
dc.contributor.authorDECARSIN, Renaud
hal.structure.identifierEcologie fonctionnelle et biogéochimie des sols et des agro-écosystèmes [UMR Eco&Sols]
dc.contributor.authorGUILLEMOT, Joannès
hal.structure.identifierEcologie fonctionnelle et biogéochimie des sols et des agro-écosystèmes [UMR Eco&Sols]
dc.contributor.authorLE MAIRE, Guerric
hal.structure.identifierUniversiteit Gent = Ghent University = Université de Gand [UGENT]
dc.contributor.authorBLONDEEL, Haben
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorMEREDIEU, Céline
hal.structure.identifierEcologie des Forêts Méditerranéennes [URFM]
hal.structure.identifierEcologie fonctionnelle et biogéochimie des sols et des agro-écosystèmes [UMR Eco&Sols]
hal.structure.identifierLaboratoire de Physique et Physiologie Intégratives de l’Arbre en environnement Fluctuant [PIAF]
dc.contributor.authorACHARD, Emma
hal.structure.identifierSILVA [SILVA]
dc.contributor.authorBONAL, Damien
hal.structure.identifierLaboratoire de Physique et Physiologie Intégratives de l’Arbre en environnement Fluctuant [PIAF]
dc.contributor.authorCOCHARD, Hervé
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorCORSO, Déborah
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorDELZON, Sylvain
hal.structure.identifierAlbert-Ludwigs-Universität Freiburg = University of Freiburg
dc.contributor.authorDOUCET, Zoé
hal.structure.identifierEcologie des Forêts Méditerranéennes [URFM]
dc.contributor.authorDRUEL, Arsène
hal.structure.identifierSwiss Federal Institute for Forest, Snow and Landscape Research WSL
dc.contributor.authorGROSSIORD, Charlotte
hal.structure.identifierInstituto de Recursos Naturales y Agrobiología de Sevilla [IRNAS]
dc.contributor.authorTORRES-RUIZ, José Manuel
hal.structure.identifierAlbert-Ludwigs-Universität Freiburg = University of Freiburg
dc.contributor.authorBAUHUS, Jürgen
hal.structure.identifierBrno University of Technology [Brno] [BUT]
dc.contributor.authorGODBOLD, Douglas
hal.structure.identifierAlbert-Ludwigs-Universität Freiburg = University of Freiburg
dc.contributor.authorHAJEK, Peter
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorJACTEL, Hervé
hal.structure.identifierSwedish University of Agricultural Sciences = Sveriges lantbruksuniversitet [SLU]
dc.contributor.authorJENSEN, Joel
hal.structure.identifierNational Research Council of Italy | Consiglio Nazionale delle Ricerche [CNR]
dc.contributor.authorMEREU, Simone
hal.structure.identifierEarth and Life Institute [Louvain-La-Neuve] [ELI]
hal.structure.identifierUniversité Catholique de Louvain = Catholic University of Louvain [UCL]
dc.contributor.authorPONETTE, Quentin
hal.structure.identifierBrno University of Technology [Brno] [BUT]
dc.contributor.authorREWALD, Boris
hal.structure.identifierEcologie des Forêts Méditerranéennes [URFM]
dc.contributor.authorRUFFAULT, Julien
hal.structure.identifierUniversität für Bodenkultur Wien = University of Natural Resources and Life Sciences [Vienne, Autriche] [BOKU]
dc.contributor.authorSANDÉN, Hans
hal.structure.identifierAlbert-Ludwigs-Universität Freiburg = University of Freiburg
dc.contributor.authorSCHERER-LORENZEN, Michael
hal.structure.identifierAlbert-Ludwigs-Universität Freiburg = University of Freiburg
dc.contributor.authorSERRANO-LEÓN, Hernán
hal.structure.identifierEcologie des Forêts Méditerranéennes [URFM]
dc.contributor.authorSIMIONI, Guillaume
hal.structure.identifierUniversiteit Gent = Ghent University = Université de Gand [UGENT]
dc.contributor.authorVERHEYEN, Kris
hal.structure.identifierUniversität für Bodenkultur Wien = University of Natural Resources and Life Sciences [Vienne, Autriche] [BOKU]
dc.contributor.authorWERNER, Ramona
hal.structure.identifierEcologie des Forêts Méditerranéennes [URFM]
dc.contributor.authorMARTIN-STPAUL, Nicolas
dc.date.issued2024-09-24
dc.identifier.issn1354-1013
dc.description.abstractEnIncreasing tree diversity is considered a key management option to adapt forests to climate change. However, the effect of species diversity on a forest's ability to cope with extreme drought remains elusive. In this study, we assessed drought tolerance (xylem vulnerability to cavitation) and water stress (water potential), and combined them into a metric of drought–mortality risk (hydraulic safety margin) during extreme 2021 or 2022 summer droughts in five European tree diversity experiments encompassing different biomes. Overall, we found that drought–mortality risk was primarily driven by species identity (56.7% of the total variability), while tree diversity had a much lower effect (8% of the total variability). This result remained valid at the local scale (i.e within experiment) and across the studied European biomes. Tree diversity effect on drought–mortality risk was mediated by changes in water stress intensity, not by changes in xylem vulnerability to cavitation. Significant diversity effects were observed in all experiments, but those effects often varied from positive to negative across mixtures for a given species. Indeed, we found that the composition of the mixtures (i.e., the identities of the species mixed), but not the species richness of the mixture per se, is a driver of tree drought–mortality risk. This calls for a better understanding of the underlying mechanisms before tree diversity can be considered an operational adaption tool to extreme drought. Forest diversification should be considered jointly with management strategies focussed on favouring drought‐tolerant species.
dc.description.sponsorshipMixed Forest plantations for climate Change mitigation and adaptation.
dc.language.isoen
dc.publisherWiley
dc.subject.enforest adaptation
dc.subject.enforest management
dc.subject.enhydraulic traits
dc.subject.enspecies interactions
dc.subject.enspecies richness
dc.subject.entree diversity
dc.subject.enwater stress
dc.subject.enxylem embolism
dc.title.enTree drought–mortality risk depends more on intrinsic species resistance than on stand species diversity
dc.typeArticle de revue
dc.identifier.doi10.1111/gcb.17503
dc.subject.halSciences de l'environnement
bordeaux.journalGlobal Change Biology
bordeaux.pagee17503
bordeaux.volume30
bordeaux.issue9
bordeaux.peerReviewedoui
hal.identifierhal-04729697
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-04729697v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Global%20Change%20Biology&rft.date=2024-09-24&rft.volume=30&rft.issue=9&rft.spage=e17503&rft.epage=e17503&rft.eissn=1354-1013&rft.issn=1354-1013&rft.au=DECARSIN,%20Renaud&GUILLEMOT,%20Joann%C3%A8s&LE%20MAIRE,%20Guerric&BLONDEEL,%20Haben&MEREDIEU,%20C%C3%A9line&rft.genre=article


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