1. Department of Natural Resources and the Environment University of New Hampshire Durham NH USA
2. School of Geographical Sciences University of Bristol Bristol UK
3. Centre d'Estudis Avançats de Blanes (CEAB‐CSIC) Blanes Spain
4. Department of Land Resources and Environmental Sciences Montana State University Bozeman MT USA
5. Department of Natural Resources and the Environment The Center for Environmental Sciences and Engineering University of Connecticut Storrs CT USA
6. School of Natural Resources University of Missouri Columbia MO USA
7. Environmental Studies Program Colorado College Colorado Springs CO USA
8. National Council for Air and Stream Improvement, Inc. Corvallis OR USA
9. Division of Biology Kansas State University Manhattan KS USA
10. Department of Geology University of Maryland College Park MD USA
11. USDA Forest Service, Pacific Northwest Research Station Corvallis OR USA
12. Department of Biology and Wildlife Institute of Arctic Biology University of Alaska Fairbanks Fairbanks AK USA
13. Department of Geology and Earth System Science Interdisciplinary Center University of Maryland College Park MD USA
14. Finnish Environment Institute Helsinki Finland
15. Department of Biological Sciences Virginia Polytechnic Institute and State University Blacksburg VA USA
16. Département des sciences biologiques Université du Québec à Montréal Montréal QC Canada
17. Department of Earth, Ocean and Atmospheric Sciences Florida State University Tallahassee FL USA
18. College of Earth, Ocean, and Atmospheric Science Oregon State University Corvallis OR USA