1. Department of Biological Sciences University of Alberta Edmonton AB Canada
2. Now at John A. Paulson School of Engineering and Applied Sciences Harvard University Cambridge MA USA
3. Now at Woodwell Climate Research Center Falmouth MA USA
4. Northwest Territories Geological Survey Yellowknife NT Canada
5. United States Geological Survey Boulder CO USA
6. Département de géographie and Centre d’Études Nordiques Université de Montréal Montreal QC Canada
7. Department of Environmental and Biological Sciences University of Eastern Finland Kuopio Finland
8. Cold Regions Research Centre Wilfrid Laurier University Waterloo ON Canada
9. Center for Ecosystem Science and Society and Department of Biological Sciences Northern Arizona University Flagstaff AZ USA
10. Department of Biology San Diego State University San Diego CA USA
11. Department of Animal and Plant Sciences University of Sheffield Sheffield UK
12. School of the Environment Trent University Peterborough ON Canada
13. Environmental Science Division Argonne National Laboratory Lemont IL USA
14. Graduate School of Life and Environmental Sciences Osaka Prefecture University Sakai Japan
15. Department of Biological Systems Engineering University of Nebraska–Lincoln Lincoln NE USA
16. Geography and Environmental Studies Carleton University Ottawa ON Canada