Increased hydraulic risk in assemblages of woody plant species predicts spatial patterns of drought-induced mortality.
Journal
Nature ecology & evolution
ISSN: 2397-334X
Titre abrégé: Nat Ecol Evol
Pays: England
ID NLM: 101698577
Informations de publication
Date de publication:
10 2023
10 2023
Historique:
received:
07
07
2022
accepted:
26
07
2023
medline:
9
10
2023
pubmed:
29
8
2023
entrez:
28
8
2023
Statut:
ppublish
Résumé
Predicting drought-induced mortality (DIM) of woody plants remains a key research challenge under climate change. Here, we integrate information on the edaphoclimatic niches, phylogeny and hydraulic traits of species to model the hydraulic risk of woody plants globally. We combine these models with species distribution records to estimate the hydraulic risk faced by local woody plant species assemblages. Thus, we produce global maps of hydraulic risk and test for its relationship with observed DIM. Our results show that local assemblages modelled as having higher hydraulic risk present a higher probability of DIM. Metrics characterizing this hydraulic risk improve DIM predictions globally, relative to models accounting only for edaphoclimatic predictors or broad functional groupings. The methodology we present here allows mapping of functional trait distributions and elucidation of global macro-evolutionary and biogeographical patterns, improving our ability to predict potential global change impacts on vegetation.
Identifiants
pubmed: 37640766
doi: 10.1038/s41559-023-02180-z
pii: 10.1038/s41559-023-02180-z
pmc: PMC10555820
doi:
Banques de données
figshare
['10.6084/m9.figshare.23635446']
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
1620-1632Informations de copyright
© 2023. The Author(s).
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