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Climatically controlled reproduction drives interannual growth variability in a temperate tree species

Andrew Hacket-Pain 1 Davide Ascoli 2 Giorgio Vacchiano 3 Franco Biondi 4 Liam Cavin 5 Marco Conedera 6 Igor Drobyshev 7 Isabel Dorado Liñán 8 Andrew Friend 9 Michael Grabner 10 Claudia Hartl 11 Juergen Kreyling 12, 13 François Lebourgeois 14 Tom Levanič 15 Annette Menzel 16 Ernst van der Maaten 17 Marieke van der Maaten-Theunissen 17 Lena Muffler 13 Renzo Motta 18 Catalin-Constantin Roibu 19 Ionel Popa 20 Tobias Scharnweber 13 Robert Weigel 13 Martin Wilmking 13 Christian Zang 21
1 University of Liverpool
2 University of Naples Federico II
3 Università degli studi di Milano [Milano]
4 University of Nevada [Reno]
5 University of Stirling
6 Swiss Federal Institute for Forest, Snow and Landscape Research WSL
7 SLU - Swedish University of Agricultural Sciences
8 INIA-CIFOR
9 Department of Geography, University of Cambridge
10 BOKU - University of Natural Resources and Applied Life Sciences
11 JGU - Johannes Gutenberg - Universität Mainz
12 Institute of Botany and Landscape Ecology
13 Universität Greifswald - University of Greifswald
14 SILVA - SILVA
15 Slovenian Forestry Institute
16 TUM School of Life Sciences Weihenstephan
17 Institute for Forest Growth
18 Dept Agr Forest & Food Sci DISAFA
19 USU - University Stefan cel Mare of Suceava
20 National Institute for Research and Development in Forestry
21 TUM - Technical University of Munich
Abstract : Climatically controlled allocation to reproduction is a key mechanism by which climate influences tree growth and may explain lagged correlations between climate and growth. We used continent‐wide datasets of tree‐ring chronologies and annual reproductive effort in Fagus sylvatica from 1901 to 2015 to characterise relationships between climate, reproduction and growth. Results highlight that variable allocation to reproduction is a key factor for growth in this species, and that high reproductive effort (‘mast years’) is associated with stem growth reduction. Additionally, high reproductive effort is associated with previous summer temperature, creating lagged climate effects on growth. Consequently, understanding growth variability in forest ecosystems requires the incorporation of reproduction, which can be highly variable. Our results suggest that future response of growth dynamics to climate change in this species will be strongly influenced by the response of reproduction.
Keywords : Fagus sylvatica SEM European beech drought forest growth masting path analysis structural equationmodelling trade-off
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https://hal-agroparistech.archives-ouvertes.fr/hal-02384114
Contributor : François Lebourgeois <>
Submitted on : Thursday, November 28, 2019 - 11:08:50 AM
Last modification on : Tuesday, September 8, 2020 - 4:34:35 PM

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AGROPARISTECH | SILVA | INRA | UNIV-LORRAINE | INRAE

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Andrew Hacket-Pain, Davide Ascoli, Giorgio Vacchiano, Franco Biondi, Liam Cavin, et al.. Climatically controlled reproduction drives interannual growth variability in a temperate tree species. Ecology Letters, Wiley, 2018, 21 (12), pp.1833-1844. ⟨10.1111/ele.13158⟩. ⟨hal-02384114⟩

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