1. Department of Bioscience, Aarhus University, Frederiksborgvej 399, 4000 Roskilde, Denmark
2. Greenland Climate Research Centre, Greenland Institute of Natural Resources, Postboks 570, 3900 Nuuk, Greenland
3. Faculty of Biology and Medicine, Department of Ecology and Evolution, University of Lausanne, Lausanne, Switzerland
4. Ecoinformatics and Biodiversity Group, Department of Bioscience, Aarhus University, Aarhus, Denmark
5. Université de Picardie Jules Verne, Ecologie et Dynamiques des Systèmes Anthropisés, 1 Rue des Louvels, 80000 Amiens, France
6. Department of Bioscience, Aarhus University, Vejlsøvej 25, 8600 Silkeborg, Denmark
7. Biometry and Environmental System Analysis, University of Freiburg, Tennenbacher Str. 4, 79104 Freiburg/Breisgau, Germany
8. Department of Biology, University of Bergen, N‐5020 Bergen, Norway
9. Finnish Environment Institute, Natural Environment Centre, PO Box 140, FIN‐00251 Helsinki, Finland
10. Department of Bioscience, Aarhus University, Grenåvej 14, 8410 Rønde, Denmark
11. Department of Community Ecology, Helmholtz Centre for Environmental Research—UFZ, Theodor‐Lieser‐Str. 4, 06120 Halle, Germany
12. Department of Geosciences and Geography, University of Helsinki, FIN‐00014 Helsinki, Finland
13. Department of Forest Ecology and Management, Swedish University of Agricultural Sciences, Umeå 901 83, Sweden
14. Dynamic Macroecology, Swiss Federal Research Institute WSL, Zürcherstr. 111, CH‐8903 Birmensdorf, Switzerland
15. Swedish University of Agricultural Sciences, Department of Ecology, PO Box 7044, SE‐75007 Uppsala, Sweden
16. Department of Environmental Science, Aarhus University, Frederiksborgvej 399, 4000 Roskilde, Denmark