1. Forest & Nature Lab Department of Environment Faculty of Bioscience Engineering Ghent University Gontrode‐Melle Belgium
2. Swiss Federal Institute for Forest Snow & Landscape Research WSL Birmensdorf Switzerland
3. Southern Sweden Research Centre Swedish University of Agricultural Sciences Alnarp Sweden
4. Biogeography and Geomatics Department of Physical Geography Stockholm University Stockholm Sweden
5. Vegetation Ecology and Conservation Biology Institute of Ecology, FB2 University of Bremen Bremen Germany
6. Department of Biology Norwegian University of Science and Technology Trondheim Norway
7. General Botany Institute of Biochemistry and Biology University of Potsdam Germany
8. Department of Agriculture, Food, Environment and Forestry University of Florence Florence Italy
9. Unité de Recherche «Ecologie et Dynamique des Systémes Anthropisés» (EDYSAN, UMR 7058 CNRS‐UPJV) Université de Picardie Jules Verne Amiens France
10. Faculty of Biology and Environmental Protection University of Silesia Katowice Poland
11. School of Biological Sciences The University of Western Australia Crawley Australia
12. Earth and Life Institute Université catholique de Louvain Louvain‐la‐Neuve Belgium
13. Stream Biofilm and Ecosystem Research Laboratory School of Architecture Civil and Environmental Engineering École Polytechnique Féderale de Lausanne Lausanne Switzerland
14. Laboratory for Chemical Analysis (LCA) Department of Green Chemistry and Technology Faculty of Bioscience Engineering Ghent University Gent Belgium
15. Forest Ecology and Conservation Group Department of Plant Sciences University of Cambridge Cambridge UK