1 Centre of Excellence PLECO (Plants and Ecosystems), Department of Biology, Universiteit Antwerpen, Wilrijk, Belgium.
2 UCA, INRA, VetAgro-Sup, UREP, Clermont-Ferrand, France.
3 Department of Ecological Science, VU University, Amsterdam, The Netherlands.
4 Department of Ecology, University of Innsbruck, Innsbruck, Austria.
5 Department of Geosciences and Natural Resource Management, University of Copenhagen, Copenhagen, Denmark.
6 Centre for Ecology and Hydrology, Environmental Centre Wales, Bangor, UK.
7 CSIC, Global Ecology Unit CREAF-CSIC-UAB, Bellaterra, Catalonia, Spain.
8 CREAF, Cerdanyola del Vallès, Catalonia, Spain.
9 Robert H. Smith Faculty of Agriculture, Food and Environment, Hebrew University of Jerusalem, Rehovot, Israel.
10 Department of Biological Sciences and Bjerknes Centre for Climate Research, University of Bergen, Bergen, Norway.
11 Global Change Research Institute, Czech Academy of Sciences, Brno, Czech Republic.
12 Disturbance Ecology, University of Bayreuth, Bayreuth, Germany.
13 Experimental Plant Ecology, Institute of Botany and Landscape Ecology, University of Greifswald, Greifswald, Germany.
14 MTA Centre for Ecological Research, Vácrátót, Hungary.
15 Ecotron Européen de Montpellier, UPS 3248, Centre National de la Recherche Scientifique (CNRS), Montferrier-sur-Lez, France.
16 Centre d'Ecologie Fonctionnelle et Evolutive, UMR 5175 (CNRS-Université de Montpellier-Université Paul-Valéry Montpellier-EPHE), Montpellier, France.
17 Agricultural University of Iceland, Hvanneyri, Borgarnes, Iceland.
18 Department of Biology and Graduate Degree Program in Ecology, Colorado State University, Fort Collins, CO, USA.
19 School of Plant Sciences and Food Security, Tel Aviv University, Tel Aviv, Israel.
20 Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland.