1. Station d’Ecologie Théorique et Expérimentale CNRS 2 route du CNRS Moulis 09200 France
2. Centre d’Ecologie Fonctionnelle et Evolutive Université de Montpellier, CNRS, EPHE, IRD, Univ Paul Valéry Montpellier 3Montpellier 34293 France
3. USDA‐ARS Water Management and Systems Research Unit 2150 Centre Avenue, Bldg D, Suite 320 Fort Collins CO 80526 USA
4. The James Hutton Institute Invergowrie Dundee DD2 5DA UK
5. School of Science and Engineering University of Dundee Dundee DD1 4HN UK
6. Department of Forest and Soil Sciences University of Natural Resources and Life Sciences Vienna 1190 Austria
7. Department of Earth and Environmental Sciences The University of Manchester Manchester M13 9PT UK
8. Soil Biology Group Wageningen University Wageningen 6700 AA the Netherlands
9. Department of Functional Ecology Institute of Botany CAS Dukelska 135 Trebon 37901 Czech Republic
10. School of Agriculture, Policy and Development University of Reading Reading RG6 6EU UK
11. Faculty of Forestry and Wood Sciences Czech University of Life Sciences Prague Prague 165 00 Czech Republic
12. Center for Tree Science Morton Arboretum, 4100 Illinois Rt. 53 Lisle IL 60532 USA
13. Plant Ecology University of Goettingen Untere Karspüle 2 Göttingen 37073 Germany
14. Functional Forest Ecology University of Hamburg Haidkrugsweg 1 Barsbüttel 22885 Germany
15. UR 1115 PSH Centre PACA site Agroparc INRAE Avignon Cedex 9 84914 France
16. Plant Sciences (IBG‐2) Forschungszentrum Jülich GmbH Jülich D‐52425 Germany
17. Department of Biological Sciences Macquarie University North Ryde NSW 2109 Australia
18. Departamento de Conservación de Suelos y Agua Centro de Edafología y Biología Aplicada del Segura – Consejo Superior de Investigaciones Científicas (CEBAS‐CSIC) Murcia 30100 Spain
19. Odum School of Ecology University of Georgia 140 E. Green Street Athens GA 30602 USA
20. Institute of Dendrology Polish Academy of Sciences Parkowa 5 Kórnik 62‐035 Poland
21. Department of General Botany Institute of Experimental Biology Faculty of Biology Adam Mickiewicz University Uniwersytetu Poznańskiego 6 Poznań 61‐614 Poland
22. Noble Research Institute, LLC 2510 Sam Noble Parkway Ardmore OK 73401 USA
23. Forest Soils and Biogeochemistry Swiss Federal Research Institute WSL Zürcherstr. 111 Birmensdorf 8903 Switzerland
24. Forest Dynamics Swiss Federal Research Institute WSL Zürcherstr. 111 Birmensdorf 8903 Switzerland
25. Institute of Terrestrial Ecosystems ETH Zurich Zurich 8092 Switzerland
26. Department of Ecology, Evolution and Behavior University of Minnesota St Paul MN 55108 USA
27. Environmental Sciences Division and Climate Change Science Institute Oak Ridge National Laboratory Oak Ridge TN 37831 USA
28. Plant Ecology and Nature Conservation Group Department of Environmental Sciences Wageningen University and Research PO box 47 Wageningen 6700 AA the Netherlands
29. Université Clermont Auvergne INRAE UREP Clermont‐Ferrand 63000 France
30. Laurentian University 935 Ramsey Lake Road Sudbury ON P3E 2C6 Canada
31. Geobotany Faculty of Biology University of Freiburg Schänzlestr. 1 Freiburg 79104 Germany
32. Environmental Biology Department Institute of Environmental Sciences CML, Leiden University Leiden 2333 CC the Netherlands
33. Institute of Applied Ecology Chinese Academy of Sciences Shenyang 110016 China
34. Institute of Environment Department of Biological Sciences Florida International University Miami FL 33199 USA
35. Systematic Botany and Functional Biodiversity Institute of Biology Leipzig University Johannisallee 21‐23 Leipzig 04103 Germany
36. INRA, AMAP, CIRAD, IRD, CNRS, University of Montpellier Montpellier 34000 France