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Biotic homogenization can decrease landscape-scale forest multifunctionality

Fons van der Plas 1, 2 Pete Manning Santiago Soliveres Eric Allan 1 Michael Scherer-Lorenzen 3 Kris Verheyen 4 Christian Wirth Miguel A. Zavala 5 Evy Ampoorter 6 Lander Baeten 7, 8 Luc Barbaro 9 Jürgen Bauhus 10 Raquel Benavides 11 Adam Benneter 11 Damien Bonal 12 Olivier Bouriaud 13 Helge Bruelheide 14, 15 Filippo Bussotti 16 Monique Carnol 17 Bastien Castagneyrol 18 Yohan Charbonnier 19 David Anthony Coomes 20 Andrea Coppi 21 Cristina C. Bastias 22 Seid Muhie Dawud Hans de Wandeler 23 Timo Domisch 24 Leena Finér 25 Arthur Gessler 26 André Granier 12 Charlotte Grossiord 27 Virginie Guyot Stephan Hättenschwiler 28 Hervé Jactel 9 Bogdan Jaroszewicz 29 François-Xavier Joly 30, 31 Tommaso Jucker 32 Julia Koricheva 33 Harriet Milligan 33 Sandra Mueller Bart Muys 34 Diem Nguyen Martina Pollastrini 16 Sophia Ratcliffe 35 Karsten Raulund-Rasmussen 36 Federico Selvi 21 Jan Stenlid 37 Fernando Valladares 38 Lars Vesterdal 36 Dawid Zielínski 39 Markus Fischer 40
27 Earth and Environmental Sciences Division [Los Alamos]
LANL - Los Alamos National Laboratory
34 Division of Forest, Nature and Landscape
EES - Department of Earth and Environmental Sciences [Leuven]
Abstract : Many experiments have shown that local biodiversity loss impairs the ability of ecosystems to maintain multiple ecosystem functions at high levels (multifunctionality). In contrast, the role of biodiversity in driving ecosystem multifunctionality at landscape scales remains unresolved. We used a comprehensive pan-European dataset, including 16 ecosystem functions measured in 209 forest plots across six European countries, and performed simulations to investigate how local plot-scale richness of tree species (alpha-diversity) and their turnover between plots (beta-diversity) are related to landscape-scale multifunctionality. After accounting for variation in environmental conditions, we found that relationships between alpha-diversity and landscape-scale multifunctionality varied from positive to negative depending on the multifunctionality metric used. In contrast, when significant, relationships between beta-diversity and landscape-scale multifunctionality were always positive, because a high spatial turnover in species composition was closely related to a high spatial turnover in functions that were supported at high levels. Our findings have major implications for forest management and indicate that biotic homogenization can have previously unrecognized and negative consequences for large-scale ecosystem multifunctionality.
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Fons van der Plas, Pete Manning, Santiago Soliveres, Eric Allan, Michael Scherer-Lorenzen, et al.. Biotic homogenization can decrease landscape-scale forest multifunctionality. Proceedings of the National Academy of Sciences of the United States of America , National Academy of Sciences, 2016, 113 (13), pp.3557 - 3562. ⟨10.1073/pnas.1517903113⟩. ⟨hal-01557568⟩



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