1. Rubenstein Ecosystem Science Laboratory University of Vermont Burlington Vermont
2. Department of Ecology and Environmental Science Umeå University Umeå Sweden
3. Department of Sustainable Agro‐Ecosystems and Bioresources, Research and Innovation Centre Fondazione Edmund Mach (FEM) San Michele all'Adige Italy
4. Department of Experimental Limnology Leibniz Institute for Freshwater Ecology and Inland Fisheries Stechlin Germany
5. Institute for Biochemistry and Biology, Potsdam University Potsdam Germany
6. Itasca Biological Station and Laboratories University of Minnesota Twin Cities Lake Itasca Minnesota
7. School of Natural Resources, University of Missouri Columbia Missouri
8. Département des Sciences Fondamentales Université du Québec à Chicoutimi Chicoutimi Quebec Canada
9. Centre for Northern Studies (CEN) Université Laval Québec City Quebec Canada
10. Group for Interuniversity Research in Limnology and Aquatic Environment (GRIL) Université de Montréal Montréal Quebec Canada
11. Dorset Environmental Science Centre Ontario Ministry of the Environment and Climate Change Dorset Ontario Canada
12. Department of Biology Queen's University Kingston Ontario Canada
13. Department of Environmental Science and Policy, Tahoe Environmental Research Center University of California Davis Davis California
14. Department of Ecology and Genetics/Limnology Uppsala University Uppsala Sweden
15. Natural Resources Research Institute, University of Minnesota Duluth Duluth Minnesota
16. Department of Biology University of Minnesota Duluth Duluth Minnesota
17. Lammi Biological Station University of Helsinki Helsinki Finland
18. Center for Environmental Research, Education and Outreach Washington State University Pullman Washington