Field experiments underestimate aboveground biomass response to drought

György Kröel-Dulay*, Andrea Mojzes, Katalin Szitár, Michael Bahn, Péter Batáry, Claus Beier, Mark Bilton, Hans J. De Boeck, Jeffrey S. Dukes, Marc Estiarte, Petr Holub, Anke Jentsch, Inger Kappel Schmidt, Juergen Kreyling, Sabine Reinsch, Klaus Steenberg Larsen, Marcelo Sternberg, Katja Tielbörger, Albert Tietema, Sara ViccaJosep Peñuelas

*Corresponding author for this work

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Abstract

Researchers use both experiments and observations to study the impacts of climate change on ecosystems, but results from these contrasting approaches have not been systematically compared for droughts. Using a meta-analysis and accounting for potential confounding factors, we demonstrate that aboveground biomass responded only about half as much to experimentally imposed drought events as to natural droughts. Our findings indicate that experimental results may underestimate climate change impacts and highlight the need to integrate results across approaches.

Original languageEnglish
JournalNature Ecology and Evolution
Number of pages9
ISSN2397-334X
DOIs
Publication statusPublished - 2022

Bibliographical note

Correction: https://doi.org/10.1038/s41559-022-01767-2

Funding Information:
We thank EU CLIMMANI COST Action (ES1308; PI, C.B.) for supporting all co-authors and initiating discussion on the topic. G.K.-D. and A.M. received funding from the National Research, Development and Innovation Fund (NRDI Fund) of Hungary (grant nos 120844 (A.M.), 112576 and 129068 (G.K.-D.)). J.P. was supported by Fundación Ramon Areces grant ELEMENTAL-CLIMATE and the European Research Council grant ERC-SyG-2013-610028. H.J.D.B. was funded through AnaEE-Flanders project no. I001921N. A.J. was funded by the German Federal Ministry of Education and Research FKZ 031B0027C.

Publisher Copyright:
© 2022, The Author(s).

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