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Journal Articles Nature Communications Year : 2022

The 2018 European heatwave led to stem dehydration but not to consistent growth reductions in forests

Roberto Salomón , Richard Peters , Roman Zweifel (1) , Ute Sass-Klaassen (2) , Annemiek Stegehuis , Marko Smiljanic (3) , Rafael Poyatos (4) , Flurin Babst (1) , Emil Cienciala , Patrick Fonti (1) , Bas Lerink , Marcus Lindner (5) , Jordi Martinez-Vilalta (4, 6) , Maurizio Mencuccini (4) , Gert-Jan Nabuurs , Ernst van der Maaten (7) , Georg von Arx (1) , Andreas Bär , Linar Akhmetzyanov , Daniel Balanzategui (8) , Michal Bellan , Jörg Bendix , Daniel Berveiller , Miroslav Blaženec , Vojtěch Čada , Vinicio Carraro , Sébastien Cecchini , Tommy Chan , Marco Conedera , Nicolas Delpierre , Sylvain Delzon , Ľubica Ditmarová , Jiri Dolezal , Eric Dufrêne , Johannes Edvardsson , Stefan Ehekircher , Alicia Forner , Jan Frouz , Andrea Ganthaler , Vladimír Gryc , Aylin Güney , Ingo Heinrich , Rainer Hentschel , Pavel Janda , Marek Ježík , Hans-Peter Kahle , Simon Knüsel , Jan Krejza , Łukasz Kuberski , Jiří Kučera , François F. Lebourgeois (9) , Martin Mikoláš , Radim Matula , Stefan Mayr , Walter Oberhuber , Nikolaus Obojes , Bruce Osborne , Teemu Paljakka , Roman Plichta , Inken Rabbel , Cyrille Rathgeber , Yann Salmon , Matthew Saunders , Tobias Scharnweber , Zuzana Sitková , Dominik Florian Stangler , Krzysztof Stereńczak , Marko Stojanović , Katarína Střelcová , Jan Světlík , Miroslav Svoboda , Brian Tobin , Volodymyr Trotsiuk , Josef Urban , Fernando Valladares , Hanuš Vavrčík , Monika Vejpustková , Lorenz Walthert , Martin Wilmking , Ewa Zin , Junliang Zou , Kathy Steppe
Roberto Salomón
Richard Peters
  • Function : Author
Annemiek Stegehuis
Emil Cienciala
Bas Lerink
Marcus Lindner
Gert-Jan Nabuurs
Ernst van der Maaten
Andreas Bär
Linar Akhmetzyanov
Michal Bellan
Jörg Bendix
  • Function : Author
Daniel Berveiller
Miroslav Blaženec
Vojtěch Čada
Vinicio Carraro
  • Function : Author
Sébastien Cecchini
  • Function : Author
Tommy Chan
Marco Conedera
Nicolas Delpierre
Sylvain Delzon
Ľubica Ditmarová
Jiri Dolezal
  • Function : Author
Eric Dufrêne
  • Function : Author
Johannes Edvardsson
Stefan Ehekircher
  • Function : Author
Alicia Forner
Jan Frouz
  • Function : Author
Andrea Ganthaler
Vladimír Gryc
Aylin Güney
Ingo Heinrich
Rainer Hentschel
Pavel Janda
  • Function : Author
Marek Ježík
Hans-Peter Kahle
Simon Knüsel
Jan Krejza
Łukasz Kuberski
Jiří Kučera
  • Function : Author
François F. Lebourgeois
Martin Mikoláš
  • Function : Author
Radim Matula
Stefan Mayr
Walter Oberhuber
Nikolaus Obojes
Bruce Osborne
Teemu Paljakka
Roman Plichta
Inken Rabbel
Cyrille Rathgeber
Yann Salmon
Matthew Saunders
Tobias Scharnweber
Zuzana Sitková
Dominik Florian Stangler
Krzysztof Stereńczak
Marko Stojanović
Katarína Střelcová
Jan Světlík
  • Function : Author
Miroslav Svoboda
  • Function : Author
Brian Tobin
Volodymyr Trotsiuk
  • Function : Author
Josef Urban
Fernando Valladares
  • Function : Author
Hanuš Vavrčík
Monika Vejpustková
Lorenz Walthert
Martin Wilmking
Ewa Zin
  • Function : Author
Junliang Zou
Kathy Steppe

Abstract

Abstract Heatwaves exert disproportionately strong and sometimes irreversible impacts on forest ecosystems. These impacts remain poorly understood at the tree and species level and across large spatial scales. Here, we investigate the effects of the record-breaking 2018 European heatwave on tree growth and tree water status using a collection of high-temporal resolution dendrometer data from 21 species across 53 sites. Relative to the two preceding years, annual stem growth was not consistently reduced by the 2018 heatwave but stems experienced twice the temporary shrinkage due to depletion of water reserves. Conifer species were less capable of rehydrating overnight than broadleaves across gradients of soil and atmospheric drought, suggesting less resilience toward transient stress. In particular, Norway spruce and Scots pine experienced extensive stem dehydration. Our high-resolution dendrometer network was suitable to disentangle the effects of a severe heatwave on tree growth and desiccation at large-spatial scales in situ, and provided insights on which species may be more vulnerable to climate extremes.
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hal-03880254 , version 1 (01-12-2022)

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Roberto Salomón, Richard Peters, Roman Zweifel, Ute Sass-Klaassen, Annemiek Stegehuis, et al.. The 2018 European heatwave led to stem dehydration but not to consistent growth reductions in forests. Nature Communications, 2022, 13 (1), pp.28. ⟨10.1038/s41467-021-27579-9⟩. ⟨hal-03880254⟩
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