1. UMR 6249 Chrono‐environnement, Univ. de Bourgogne Franche‐Comté 16 route de Gray FR‐25000 Besançon France
2. Groupe de Recherche en Ecologie Arctique Francheville France
3. Univ. Claude Bernard Lyon 1, CNRS, ENTPE, UMR 5023 LEHNA Villeurbanne France
4. Biogéosciences, Équipe Ecologie‐Evolution, Univ. de Bourgogne Franche‐Comté Dijon France
5. Dept of Zoology, Stockholm Univ. Stockholm Sweden
6. Dépt de Biologie, Chimie et Géographie and Centre d'Etudes Nordiques, Univ. du Québec à Rimouski Rimouski QC Canada
7. UiT – The Arctic Univ. of Norway Tromsø Norway
8. K.‐C.‐Irving Research Chair in Environmental Sciences and Sustainable Development, Dépt de Chimie et de Biochimie, Univ. de Moncton Moncton NB Canada
9. Arctic Research Centre and Dept of Bioscience, Aarhus Univ. Roskilde Denmark
10. Division of Migratory Bird Management, U.S. Fish and Wildlife Service Anchorage AK USA
11. Working Group for Wildlife Research at the Clinic for Birds, Reptiles, Amphibians and Fish, Justus Liebig Univ. Giessen Giessen Germany
12. Canada Research Chair in Polar and Boreal Ecology, Univ. de Moncton Moncton NB Canada
13. Dept of Multidisciplinary Studies, York Univ. Glendon Campus Toronto ON Canada
14. Groningen Inst. for Evolutionary Life Sciences (GELIFES), Univ. of Groningen Groningen the Netherlands
15. NIOZ Royal Netherlands Inst. for Sea Research, Dept of Coastal Systems and Utrecht Univ., Den Burg Texel the Netherlands
16. Chair for Nature Conservation and Landscape Ecology, Univ. of Freiburg Freiburg Germany
17. Environment and Climate Change Canada Ottawa ON Canada
18. Arctic Research Station of Inst. of Plant and Animal Ecology, Ural Branch, Russian Academy of Sciences Labytnangi Russia
19. Inst. of Plant and Animal Ecology of Ural Branch of Russian Academy of Sciences Ekaterinburg Russia
20. Wageningen Marine Research IJmuiden the Netherlands
21. Bureau Waardenburg Culemborg the Netherlands