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Leaf isotopes reveal tree diversity effects on the functional responses to the pan‐European 2018 summer drought

hal.structure.identifierDepartment of Earth and Environmental Sciences [Leuven-Heverlee]
hal.structure.identifierLanzhou University
dc.contributor.authorJING, Xin
hal.structure.identifierUniversity of Rostock = Universität Rostock
dc.contributor.authorBAUM, Christel
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorCASTAGNEYROL, Bastien
hal.structure.identifierGerman Centre for Integrative Biodiversity Research [iDiv]
hal.structure.identifierLeipzig University / Universität Leipzig
dc.contributor.authorEISENHAUER, Nico
hal.structure.identifierGerman Centre for Integrative Biodiversity Research [iDiv]
hal.structure.identifierLeipzig University / Universität Leipzig
dc.contributor.authorFERLIAN, Olga
hal.structure.identifierAlbert-Ludwigs-Universität Freiburg = University of Freiburg
dc.contributor.authorGEBAUER, Tobias
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.identifierCatholic University of Leuven = Katholieke Universiteit Leuven [KU Leuven]
dc.contributor.authorMUYS, Bart
hal.structure.identifierUniversity of Alberta
hal.structure.identifierAlbert-Ludwigs-Universität Freiburg = University of Freiburg
dc.contributor.authorNOCK, Charles
hal.structure.identifierEarth and Life Institute [Louvain-La-Neuve] [ELI]
dc.contributor.authorPONETTE, Quentin
hal.structure.identifierAlbert-Ludwigs-Universität Freiburg = University of Freiburg
dc.contributor.authorROSE, Laura
hal.structure.identifierSwiss Federal Institute for Forest, Snow and Landscape Research WSL
dc.contributor.authorSAURER, Matthias
hal.structure.identifierAlbert-Ludwigs-Universität Freiburg = University of Freiburg
dc.contributor.authorSCHERER‐LORENZEN, Michael
hal.structure.identifierUniversiteit Gent = Ghent University = Université de Gand [UGENT]
dc.contributor.authorVERHEYEN, Kris
hal.structure.identifierDepartment of Earth and Environmental Sciences [Leuven-Heverlee]
dc.contributor.authorVAN MEERBEEK, Koenraad
dc.date.issued2024-06-27
dc.identifier.issn0028-646X
dc.description.abstractEnSummary Recent droughts have strongly impacted forest ecosystems and are projected to increase in frequency, intensity, and duration in the future together with continued warming. While evidence suggests that tree diversity can regulate drought impacts in natural forests, few studies examine whether mixed tree plantations are more resistant to the impacts of severe droughts. Using natural variations in leaf carbon (C) and nitrogen (N) isotopic ratios, that is δ 13 C and δ 15 N, as proxies for drought response, we analyzed the effects of tree species richness on the functional responses of tree plantations to the pan‐European 2018 summer drought in seven European tree diversity experiments. We found that leaf δ 13 C decreased with increasing tree species richness, indicating less drought stress. This effect was not related to drought intensity, nor desiccation tolerance of the tree species. Leaf δ 15 N increased with drought intensity, indicating a shift toward more open N cycling as water availability diminishes. Additionally, drought intensity was observed to alter the influence of tree species richness on leaf δ 15 N from weakly negative under low drought intensity to weakly positive under high drought intensity. Overall, our findings suggest that dual leaf isotope analysis helps understand the interaction between drought, nutrients, and species richness.
dc.language.isoen
dc.publisherWiley
dc.rights.urihttp://creativecommons.org/licenses/by/
dc.subject.enbiodiversity
dc.subject.enclimate change
dc.subject.endrought resistance
dc.subject.enecosystem functioning
dc.subject.enspecies richness
dc.subject.enstable isotope
dc.subject.enTreeDivNet
dc.subject.entree plantations
dc.title.enLeaf isotopes reveal tree diversity effects on the functional responses to the pan‐European 2018 summer drought
dc.typeArticle de revue
dc.identifier.doi10.1111/nph.19931
dc.subject.halSciences de l'environnement
bordeaux.journalNew Phytologist
bordeaux.page1-17
bordeaux.peerReviewedoui
hal.identifierhal-04642132
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-04642132v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=New%20Phytologist&rft.date=2024-06-27&rft.spage=1-17&rft.epage=1-17&rft.eissn=0028-646X&rft.issn=0028-646X&rft.au=JING,%20Xin&BAUM,%20Christel&CASTAGNEYROL,%20Bastien&EISENHAUER,%20Nico&FERLIAN,%20Olga&rft.genre=article


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