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Title: Low growth resilience to drought is related to future mortality risk in trees
Authors: DeSoto, Lucía 
Cailleret, Maxime
Sterck, Frank
Jansen, Steven
Kramer, Koen
Robert, Elisabeth M R
Aakala, Tuomas
Amoroso, Mariano M
Bigler, Christof
Camarero, J Julio
Čufar, Katarina 
Gea-Izquierdo, Guillermo
Gillner, Sten
Haavik, Laurel J
Hereş, Ana-Maria
Kane, Jeffrey M
Kharuk, Vyacheslav I
Kitzberger, Thomas
Klein, Tamir
Levanič, Tom
Linares, Juan C
Mäkinen, Harri 
Oberhuber, Walter 
Papadopoulos, Andreas
Rohner, Brigitte
Sangüesa-Barreda, Gabriel
Stojanovic, Dejan B
Suárez, Maria Laura
Villalba, Ricardo
Martínez-Vilalta, Jordi
Issue Date: 28-Jan-2020
Publisher: Springer Nature
Serial title, monograph or event: Nature Communications
Volume: 11
Issue: 1
Abstract: Severe droughts have the potential to reduce forest productivity and trigger tree mortality. Most trees face several drought events during their life and therefore resilience to dry conditions may be crucial to long-term survival. We assessed how growth resilience to severe droughts, including its components resistance and recovery, is related to the ability to survive future droughts by using a tree-ring database of surviving and now-dead trees from 118 sites (22 species, >3,500 trees). We found that, across the variety of regions and species sampled, trees that died during water shortages were less resilient to previous non-lethal droughts, relative to coexisting surviving trees of the same species. In angiosperms, drought-related mortality risk is associated with lower resistance (low capacity to reduce impact of the initial drought), while it is related to reduced recovery (low capacity to attain pre-drought growth rates) in gymnosperms. The different resilience strategies in these two taxonomic groups open new avenues to improve our understanding and prediction of drought-induced mortality.
ISSN: 2041-1723
DOI: 10.1038/s41467-020-14300-5
Rights: openAccess
Appears in Collections:I&D CFE - Artigos em Revistas Internacionais

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