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 12 Damien Bonal 13 Olivier Bouriaud 14 Helge Bruelheide 15, 16 Filippo Bussotti 17 Monique Carnol 18 Bastien Castagneyrol 19 Yohan Charbonnier 20 David Anthony Coomes 21 Andrea Coppi 22 Cristina C. Bastias 23 Seid Muhie Dawud Hans de Wandeler 24 Timo Domisch 25 Leena Finér 26 Arthur Gessler 27 André Granier 13 Charlotte Grossiord 28 Virginie Guyot Stephan Hättenschwiler 29 Hervé Jactel 9 Bogdan Jaroszewicz 30 François-Xavier Joly 31, 32 Tommaso Jucker 33 Julia Koricheva 34 Harriet Milligan 34 Sandra Mueller Bart Muys 35 Diem Nguyen Martina Pollastrini 17 Sophia Ratcliffe 36 Karsten Raulund-Rasmussen 37 Federico Selvi 22 Jan Stenlid 38 Fernando Valladares 39 Lars Vesterdal 37 Dawid Zielínski 40 Markus Fischer 41
28 Earth and Environmental Sciences Division [Los Alamos]
LANL - Los Alamos National Laboratory
35 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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