1. School of Natural Resources University of Nebraska–Lincoln Lincoln Nebraska USA
2. Integrated Information Dissemination Division U.S. Geological Survey San Francisco California USA
3. Biology Department Fairfield University Fairfield Connecticut USA
4. Environmental Studies Department Colby College Waterville Maine USA
5. Fisheries Ecosystems Advisory Service Marine Institute Newport, Co. Mayo Ireland
6. Department of Forest Ecology and Management Swedish University of Agricultural Sciences Umeå Sweden
7. Department of Biology Miami University Oxford Ohio USA
8. Dorset Environmental Science Centre, Ontario Ministry of the Environment, Conservation and Parks Dorset Ontario Canada
9. Biology Department Queen's University Kingston Ontario Canada
10. Research Institute for Applied Mechanics Kyushu University Kasuga Fukuoka Prefecture Japan
11. National Scientific and Technical Research Council (CONICET) Santa Fe Argentina
12. Inland Waters Unit, Ontario Ministry of the Environment, Conservation and Parks Dorset Ontario Canada
13. Section for Catchment Biogeochemistry Norwegian Institute for Water Research Oslo Norway
14. Department of Chemistry Centre d'Études Nordiques, Université Laval Quebec Quebec Canada
15. Department of Ecology and Environmental Science Umeå University Umeå Sweden
16. Institute of Agricultural and Environmental Sciences Estonian University of Life Sciences Tartu Estonia