1. Global Ecology Unit CREAF‐CSIC‐UAB CSIC Cerdanyola del Vallès Catalonia E‐08193 Spain
2. CREAF Cerdanyola del Vallès Barcelona Catalonia E‐08193 Spain
3. Department of Biology University of Antwerp 2610 Wilrijk Belgium
4. Institute of Ecology University of Innsbruck Sternwarte str. 15, 6020 Innsbruck Austria
5. Department of Geoscience and Natural Resource Management University of Copenhagen Rolighedsvej 23 1958 Frederiksberg C Denmark
6. NIVA Center for Catchments and Urban Water Research Oslo NO‐0349 Norway
7. Center for Ecology and Hydrology Environment Centre Wales Bangor Gwynedd LL57 2UW UK
8. USDA‐ARS 808 E Blackland Rd Temple TX 76502 USA
9. Oak Ridge National Laboratory Climate Change Science Institute Oak Ridge TN 37831‐6301 USA
10. Institute for Plant Sciences and Genetics Robert H. Smith Faculty of Agriculture Food and Environment The Hebrew University of Jerusalem Rehovot 76100 Israel
11. Institute of Ecology and Botany MTA Centre for Ecological Research Vacratot H‐2163 Hungary
12. Centre d'Ecologie Fonctionnelle et Evolutive CEFE UMR5175 CNRS Université de Montpellier Université Paul‐Valéry Montpellier, EPHE 1919 Route de Mende 34293 Montpellier Cedex 5 France
13. School of Life Sciences and School of Sustainability Arizona State University Tempe AZ 85287 USA
14. Department of Molecular Biology & Ecology of Plants Faculty of Life Sciences Tel Aviv University Tel Aviv 69978 Israel
15. Department of Biology Plant Ecology Group University of Tübingen Auf der Morgenstelle 3 72076 Tübingen Germany
16. Institute for Biodiversity and Ecosystem Dynamics University of Amsterdam PO Box 94240 1090 GE Amsterdam The Netherlands