The 2018 European heatwave led to stem dehydration but not to consistent growth reductions in forests
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Roberto Salomón
- Function : Author
- PersonId : 1197015
- ORCID : 0000-0003-2674-1731
Richard Peters
- Function : Author
Roman Zweifel
- Function : Author
- PersonId : 1197016
- ORCID : 0000-0001-9438-0582
Ute Sass-Klaassen
- Function : Author
- PersonId : 1197017
- ORCID : 0000-0002-8479-3209
Annemiek Stegehuis
- Function : Author
- PersonId : 1197018
- ORCID : 0000-0002-7955-5847
Marko Smiljanic
- Function : Author
- PersonId : 1197019
- ORCID : 0000-0002-2324-0723
Rafael Poyatos
- Function : Author
- PersonId : 769801
- ORCID : 0000-0003-0521-2523
Emil Cienciala
- Function : Author
- PersonId : 769804
- ORCID : 0000-0002-1254-4254
Patrick Fonti
- Function : Author
- PersonId : 1197020
- ORCID : 0000-0002-7070-3292
Bas Lerink
- Function : Author
- PersonId : 1197021
- ORCID : 0000-0003-3032-8042
Marcus Lindner
- Function : Author
- PersonId : 1197022
- ORCID : 0000-0002-0770-003X
Jordi Martinez-Vilalta
- Function : Author
- PersonId : 779345
- ORCID : 0000-0002-2332-7298
- IdRef : 19549590X
Maurizio Mencuccini
- Function : Author
- PersonId : 769841
- ORCID : 0000-0003-0840-1477
Gert-Jan Nabuurs
- Function : Author
- PersonId : 1172696
- ORCID : 0000-0002-9761-074X
Ernst van der Maaten
- Function : Author
- PersonId : 1197023
- ORCID : 0000-0002-5218-6682
Georg von Arx
- Function : Author
- PersonId : 1197024
- ORCID : 0000-0002-8566-4599
Andreas Bär
- Function : Author
- PersonId : 1197025
- ORCID : 0000-0002-0059-3964
Linar Akhmetzyanov
- Function : Author
- PersonId : 1197026
- ORCID : 0000-0002-8130-6137
Michal Bellan
- Function : Author
- PersonId : 1197027
- ORCID : 0000-0001-9602-4629
Jörg Bendix
- Function : Author
Daniel Berveiller
- Function : Author
Miroslav Blaženec
- Function : Author
- PersonId : 1197028
- ORCID : 0000-0001-9743-614X
Vojtěch Čada
- Function : Author
- PersonId : 1197029
- ORCID : 0000-0002-3922-2108
Vinicio Carraro
- Function : Author
Sébastien Cecchini
- Function : Author
Tommy Chan
- Function : Author
- PersonId : 1197030
- ORCID : 0000-0002-5700-7209
Marco Conedera
- Function : Author
- PersonId : 1197031
- ORCID : 0000-0003-3980-2142
Nicolas Delpierre
- Function : Author
- PersonId : 1164935
- ORCID : 0000-0003-0906-9402
- IdRef : 139760377
Sylvain Delzon
- Function : Author
- PersonId : 769816
- ORCID : 0000-0003-3442-1711
- IdRef : 082098360
Ľubica Ditmarová
- Function : Author
- PersonId : 1197032
- ORCID : 0000-0002-5546-1918
Jiri Dolezal
- Function : Author
Eric Dufrêne
- Function : Author
Johannes Edvardsson
- Function : Author
- PersonId : 1197033
- ORCID : 0000-0001-5163-1599
Stefan Ehekircher
- Function : Author
Alicia Forner
- Function : Author
- PersonId : 1197034
- ORCID : 0000-0002-7123-6403
Jan Frouz
- Function : Author
Andrea Ganthaler
- Function : Author
- PersonId : 1197035
- ORCID : 0000-0002-8670-6199
Vladimír Gryc
- Function : Author
- PersonId : 1197036
- ORCID : 0000-0001-9632-9625
Aylin Güney
- Function : Author
- PersonId : 1197037
- ORCID : 0000-0002-8955-2770
Ingo Heinrich
- Function : Author
- PersonId : 1197038
- ORCID : 0000-0001-5800-6999
Rainer Hentschel
- Function : Author
- PersonId : 1197039
- ORCID : 0000-0002-1257-885X
Pavel Janda
- Function : Author
Marek Ježík
- Function : Author
- PersonId : 1197040
- ORCID : 0000-0003-0047-2123
Hans-Peter Kahle
- Function : Author
- PersonId : 1197041
- ORCID : 0000-0001-9677-5094
Simon Knüsel
- Function : Author
- PersonId : 1197042
- ORCID : 0000-0001-9985-7650
Jan Krejza
- Function : Author
- PersonId : 1197043
- ORCID : 0000-0003-2475-2111
Łukasz Kuberski
- Function : Author
- PersonId : 1197044
- ORCID : 0000-0001-9815-9746
Jiří Kučera
- Function : Author
François F. Lebourgeois
- Function : Author
- PersonId : 20457
- IdHAL : frlebourgeois
- ORCID : 0000-0002-2040-6150
Martin Mikoláš
- Function : Author
Radim Matula
- Function : Author
- PersonId : 1197045
- ORCID : 0000-0002-7460-0100
Stefan Mayr
- Function : Author
- PersonId : 1197046
- ORCID : 0000-0002-3319-4396
Walter Oberhuber
- Function : Author
- PersonId : 1197047
- ORCID : 0000-0002-5197-7044
Nikolaus Obojes
- Function : Author
- PersonId : 1197048
- ORCID : 0000-0002-6718-2756
Bruce Osborne
- Function : Author
- PersonId : 1197049
- ORCID : 0000-0003-2208-7285
Teemu Paljakka
- Function : Author
- PersonId : 1197050
- ORCID : 0000-0002-3674-4904
Roman Plichta
- Function : Author
- PersonId : 1197051
- ORCID : 0000-0003-2442-8522
Inken Rabbel
- Function : Author
- PersonId : 1197052
- ORCID : 0000-0003-2555-2496
Cyrille Rathgeber
- Function : Author
- PersonId : 181839
- IdHAL : cyrille-rathgeber
- ORCID : 0000-0001-7359-8320
- IdRef : 07160118X
Yann Salmon
- Function : Author
- PersonId : 1197053
- ORCID : 0000-0003-4433-4021
Matthew Saunders
- Function : Author
- PersonId : 1197054
- ORCID : 0000-0002-1965-8932
Tobias Scharnweber
- Function : Author
- PersonId : 1197055
- ORCID : 0000-0002-4933-5296
Zuzana Sitková
- Function : Author
- PersonId : 1197056
- ORCID : 0000-0001-6354-6105
Dominik Florian Stangler
- Function : Author
- PersonId : 1197057
- ORCID : 0000-0002-3255-6834
Krzysztof Stereńczak
- Function : Author
- PersonId : 1197058
- ORCID : 0000-0002-9556-0144
Marko Stojanović
- Function : Author
- PersonId : 1197059
- ORCID : 0000-0003-4918-8668
Katarína Střelcová
- Function : Author
- PersonId : 1197060
- ORCID : 0000-0001-7284-8244
Jan Světlík
- Function : Author
Miroslav Svoboda
- Function : Author
Brian Tobin
- Function : Author
- PersonId : 1197061
- ORCID : 0000-0001-6697-3858
Volodymyr Trotsiuk
- Function : Author
Josef Urban
- Function : Author
- PersonId : 765813
- ORCID : 0000-0003-1730-947X
Fernando Valladares
- Function : Author
Hanuš Vavrčík
- Function : Author
- PersonId : 1197062
- ORCID : 0000-0001-9386-9554
Monika Vejpustková
- Function : Author
- PersonId : 1197063
- ORCID : 0000-0002-6645-7674
Lorenz Walthert
- Function : Author
- PersonId : 1197064
- ORCID : 0000-0002-1790-8563
Martin Wilmking
- Function : Author
- PersonId : 1197065
- ORCID : 0000-0003-4964-2402
Ewa Zin
- Function : Author
Junliang Zou
- Function : Author
- PersonId : 1197066
- ORCID : 0000-0001-9635-0686
Kathy Steppe
- Function : Author
- PersonId : 1197067
- ORCID : 0000-0001-6252-0704
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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