1. Agricultural University of Iceland - Reykjavik Campus, 223579, Faculty of Environmental and Forest Sciences, Reykjavik, Iceland;
2. UiT The Arctic University of Norway, 8016, Tromso, Troms, Norway;
3. Norwegian Polar Institute, 11303, Tromso, Norway;
4. University of Tartu, 37546, Institute of Ecology and Earth Sciences, Tartu, Tartumaa, Estonia;
5. Université de Bourgogne, 27011, UMR 6249 Chrono-environnement, Besancon, Bourgogne, France;
6. Washington University in Saint Louis, 7548, Saint Louis, Missouri, United States;
7. Norges teknisk-naturvitenskapelige universitet, 8018, Trondheim, Norway;
8. Simon Fraser University Department of Biological Sciences, 98621, Biological Sciences, 8888 University Drive, Burnaby, British Columbia, Canada, V5A 1S6, ;
9. University of Freiburg, 9174, Freiburg im Breisgau, Baden-Württemberg, Germany;
10. Qatar University, 61780, Doha, Ad Dawhah, Qatar;
11. Stockholms Universitet Naturvetenskapliga fakulteten, 98942, Zoology, Stockholm, Sweden, 106 54, ;
12. Université du Québec à Rimouski, 14846, Biologie, Rimouski, Quebec, Canada, ;
13. Université de Bourgogne, 27011, Besancon, Bourgogne, France;
14. The University of British Columbia, 8166, Geography, Vancouver, British Columbia, Canada;
15. Trent University, 6515, Peterborough, Ontario, Canada;
16. Université de Moncton, 5568, Moncton, New Brunswick, Canada;
17. University of South Bohemia in Ceske Budejovice Faculty of Science, 204738, Ceske Budejovice, Jihočeský, Czech Republic;
18. Norges teknisk-naturvitenskapelige universitet, 8018, Centre for Biodiversity Dynamics, Trondheim, Norway;
19. Wageningen Universiteit en Research, 4508, Wageningen, Gelderland, Netherlands;
20. Polar Knowledge Canada, 513970, Cambridge Bay, Nunavut, Canada;
21. Justus Liebig Universitat Giessen, 9175, Giessen, Hessen, Germany;
22. US Fish and Wildlife Service, 1244, Washington, District of Columbia, United States;
23. Universite de Moncton, 5568, Département de biologie, Moncton, New Brunswick, Canada,
24. Universite du Quebec a Rimouski, 14846, Centre de la Science de la Biodiversité du Québec, Rimouski, Quebec, Canada;
25. University of South Bohemia in Ceske Budejovice, 48271, Ceske Budejovice, Jihočeský, Czech Republic;
26. York University, 7991, Department of Multidisciplinary Studies and Graduate Program in Biology, Toronto, Ontario, Canada;
27. The University of Edinburgh, 3124, Edinburgh, Edinburgh, United Kingdom of Great Britain and Northern Ireland;
28. US Geological Survey, 2928, Fort Collins, Colorado, United States;
29. University of Manitoba, 8664, Biological Sciences, Winnipeg, Manitoba, Canada;
30. US Fish and Wildlife Service, 1244, Anchorage, Alaska, United States;
31. Aarhus University, 1006, Department of Bioscience, Aarhus, Denmark;
32. Environment and Climate Change Canada, 6347, Wildlife Research Division, 1125 Colonel By Dr., Ottawa, Ontario, Canada, K1A 0H3, , ;
33. Russian Academy of Sciences, 54744, Institute of Plant and Animal Ecology, Labytnangi, Russian Federation;
34. Russian Academy of Sciences, 54744, Labytnangi, Institute of Plant and Animal Ecology, Russian Federation;
35. Wageningen University and Research Wageningen Marine Research, 90045, IJmuiden, Noord-Holland, Netherlands;
36. University Centre in Svalbard, 5108, Longyearbyen, Norway;
37. Environment and Climate Change Canada, 6347, Yellowknife, Canada;
38. University of Iceland, 63541, Life and Environmental Sciences, Sturlugata 7, Reykjavik, Iceland, 101
39. Canada;