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Article Dans Une Revue Science Année : 2020

Forest microclimate dynamics drive plant responses to warming

Florian Zellweger
Pieter de Frenne
Pieter Vangansbeke
Kris K. Verheyen
  • Fonction : Auteur
Markus Bernhardt‐römermann
Lander Baeten
Radim Hédl
Imre Berki
Jörg Brunet
Hans van Calster
Markéta Chudomelová
Thomas Dirnböck
Tomasz Durak
Thilo Heinken
Bogdan Jaroszewicz
Martin Kopecký
František Máliš
Martin Macek
Marek Malicki
Tobias Naaf
Thomas A. Nagel
  • Fonction : Auteur
Adrienne Ortmann-Ajkai
Petr Petřík
Remigiusz Pielech
Kamila Reczyńska
Wolfgang Schmidt
Tibor Standovár
Krzysztof Świerkosz
Balázs Teleki
Ondřej Vild
Monika Wulf
David Coomes

Résumé

Climate warming is causing a shift in biological communities in favor of warm-affinity species (i.e., thermophilization). Species responses often lag behind climate warming, but the reasons for such lags remain largely unknown. Here, we analyzed multidecadal understory microclimate dynamics in European forests and show that thermophilization and the climatic lag in forest plant communities are primarily controlled by microclimate. Increasing tree canopy cover reduces warming rates inside forests, but loss of canopy cover leads to increased local heat that exacerbates the disequilibrium between community responses and climate change. Reciprocal effects between plants and microclimates are key to understanding the response of forest biodiversity and functioning to climate and land-use changes.
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Dates et versions

hal-02998429 , version 1 (10-11-2020)

Identifiants

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Florian Zellweger, Pieter de Frenne, Jonathan Roger Michel Henri Lenoir, Pieter Vangansbeke, Kris K. Verheyen, et al.. Forest microclimate dynamics drive plant responses to warming. Science, 2020, 368 (6492), pp.772-775. ⟨10.1126/science.aba6880⟩. ⟨hal-02998429⟩
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