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The climatic debt is growing in the understorey of temperate forests: Stand characteristics matter

hal.structure.identifierEcologie et Dynamique des Systèmes Anthropisés - UMR CNRS 7058 [EDYSAN]
hal.structure.identifierÉtude et compréhension de la biodiversité [ECODIV]
dc.contributor.authorRICHARD, Benoit
hal.structure.identifierSILVA [SILVA]
dc.contributor.authorDUPOUEY, Jean‐luc
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorCORCKET, Emmanuel
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorALARD, Didier
hal.structure.identifierEcosystèmes forestiers [UR EFNO]
dc.contributor.authorARCHAUX, Frédéric
hal.structure.identifierÉtude et compréhension de la biodiversité [ECODIV]
dc.contributor.authorAUBERT, Michaël
hal.structure.identifierOffice national des forêts [ONF]
dc.contributor.authorBOULANGER, Vincent
hal.structure.identifierLaboratoire Chrono-environnement (UMR 6249) [LCE]
dc.contributor.authorGILLET, François
hal.structure.identifierÉtude et compréhension de la biodiversité [ECODIV]
dc.contributor.authorLANGLOIS, Estelle
hal.structure.identifierOffice national des forêts [ONF]
dc.contributor.authorMACÉ, Sébastien
hal.structure.identifierSILVA [SILVA]
dc.contributor.authorMONTPIED, Pierre
hal.structure.identifierLaboratoire Chrono-environnement (UMR 6249) [LCE]
dc.contributor.authorBEAUFILS, Thérèse
hal.structure.identifierLaboratoire Chrono-environnement (UMR 6249) [LCE]
dc.contributor.authorBEGEOT, Carole
hal.structure.identifierSILVA [SILVA]
dc.contributor.authorBEHR, Patrick
hal.structure.identifierEcosylve
dc.contributor.authorBOISSIER, Jean‐michel
hal.structure.identifierUFR Lettres Langues et Sciences Humaines, Chambéry [LLSH]
hal.structure.identifierUniversité Savoie Mont Blanc [USMB [Université de Savoie] [Université de Chambéry]]
dc.contributor.authorCAMARET, Sylvaine
hal.structure.identifierEcosystèmes forestiers [UR EFNO]
dc.contributor.authorCHEVALIER, Richard
hal.structure.identifierEcologie et Dynamique des Systèmes Anthropisés - UMR CNRS 7058 [EDYSAN]
dc.contributor.authorDECOCQ, Guillaume
hal.structure.identifierEcosystèmes forestiers [UR EFNO]
dc.contributor.authorDUMAS, Yann
hal.structure.identifiere-Sciences
dc.contributor.authorEYNARD‐MACHET, Richard
hal.structure.identifierSILVA [SILVA]
dc.contributor.authorGÉGOUT, Jean‐claude
hal.structure.identifierInstitut de Recherche en Horticulture et Semences [IRHS]
dc.contributor.authorHUET, Sandrine
hal.structure.identifierInstitut de Recherche en Horticulture et Semences [IRHS]
dc.contributor.authorMALÉCOT, Valéry
hal.structure.identifierÉtude et compréhension de la biodiversité [ECODIV]
dc.contributor.authorMARGERIE, Pierre
hal.structure.identifierLaboratoire Chrono-environnement (UMR 6249) [LCE]
dc.contributor.authorMOULY, Arnaud
hal.structure.identifierSILVA [SILVA]
dc.contributor.authorPAUL, Thierry
hal.structure.identifierConservatoire Botanique National du Massif Central [CBN]
dc.contributor.authorRENAUX, Benoît
hal.structure.identifierLaboratoire Chrono-environnement (UMR 6249) [LCE]
dc.contributor.authorRUFFALDI, Pascale
hal.structure.identifierEcologie et Dynamique des Systèmes Anthropisés - UMR CNRS 7058 [EDYSAN]
dc.contributor.authorSPICHER, Fabien
hal.structure.identifierSILVA [SILVA]
dc.contributor.authorTHIRION, Erwin
hal.structure.identifierOffice national des forêts [ONF]
dc.contributor.authorULRICH, Erwin
hal.structure.identifierOffice national des forêts [ONF]
dc.contributor.authorNICOLAS, Manuel
hal.structure.identifierEcologie et Dynamique des Systèmes Anthropisés - UMR CNRS 7058 [EDYSAN]
dc.contributor.authorLENOIR, Jonathan
dc.date.issued2021-07
dc.identifier.issn1466-822X
dc.description.abstractEnAim. Climate warming reshuffles biological assemblages towards less cold-adapted but more warm-adapted species, a process coined thermophilization. However, the velocity at which this process is happening generally lags behind the velocity of climate change, generating a climatic debt the temporal dynamics of which remain misunderstood. Relying on high-resolution time series of vegetation data from a long-term monitoring network of permanent forest plots, we aim at quantifying the temporal dynamics – up to a yearly resolution – of the climatic debt in the understorey of temperate forests before identifying the key determinants that modulate it. Location. France. Time period. 1995–2017. Taxa studied. Vascular plants. Methods. We used the community temperature index (CTI) to produce a time series of understorey plant community thermophilization, which we subsequently compared to a time series of mean annual temperature changes over the same period and for the same sites. The direction and magnitude of the difference (i.e., the climatic debt) was finally analysed using linear mixed-effect models to assess the relative contributions of abiotic and biotic determinants, including forest stand characteristics. Results. We found a significant increase in CTI values over time (0.08–0.09 °C/decade), whereas the velocity of mean annual temperature changes was three times higher over the same period (0.22–0.28 °C/decade). Hence, the climatic debt increased over time and was greater in forest stands with higher basal area or older trees as well as under warmer macroclimate. By contrast, a greater frequency of anthropogenic disturbances decreased the climatic debt, while natural disturbances and herbivory had no impact. Conclusions. Although often overlooked in understanding the climatic debt of forest biodiversity, changes in forest stand characteristics may modulate the climatic debt by locally modifying microclimatic conditions. Notably, the buffering effect of the upper canopy layer implies microclimate dynamics that may provide more time for understorey plant communities to locally adapt.
dc.language.isoen
dc.publisherWiley
dc.subject.enanthropogenic disturbances
dc.subject.enbiodiversity
dc.subject.enclimate change
dc.subject.enclimatic debt
dc.subject.enlagging dynamics
dc.subject.enlong‐term monitoring
dc.subject.enplant community
dc.subject.enthermophilization
dc.title.enThe climatic debt is growing in the understorey of temperate forests: Stand characteristics matter
dc.typeArticle de revue
dc.identifier.doi10.1111/geb.13312
dc.subject.halSciences du Vivant [q-bio]/Biodiversité
dc.subject.halSciences du Vivant [q-bio]/Ecologie, Environnement
dc.subject.halSciences de l'environnement/Milieux et Changements globaux
dc.subject.halSciences de l'environnement/Biodiversité et Ecologie
bordeaux.journalGlobal Ecology and Biogeography
bordeaux.page1474-1487
bordeaux.volume30
bordeaux.issue7
bordeaux.peerReviewedoui
hal.identifierhal-03293479
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03293479v1
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