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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 9 Yohan Charbonnier 18 David Anthony Coomes 19 Andrea Coppi 20 Cristina C. Bastias 21 Seid Muhie Dawud Hans de Wandeler 22 Timo Domisch 23 Leena Finér 24 Arthur Gessler 25 André Granier 12 Charlotte Grossiord 26 Virginie Guyot Stephan Hättenschwiler 27 Hervé Jactel 9 Bogdan Jaroszewicz 28 François-Xavier Joly 29, 30 Tommaso Jucker 31 Julia Koricheva 32 Harriet Milligan 32 Sandra Mueller Bart Muys 33 Diem Nguyen Martina Pollastrini 16 Sophia Ratcliffe 34 Karsten Raulund-Rasmussen 35 Federico Selvi 20 Jan Stenlid 36 Fernando Valladares 37 Lars Vesterdal 35 Dawid Zielínski 38 Markus Fischer 39 
26 Earth and Environmental Sciences Division [Los Alamos]
LANL - Los Alamos National Laboratory
33 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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