1. School of Resource and Environmental Management, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A 1S6, Canada.
2. Department of Biology and Ecology of Fishes, Leibniz-Institute of Freshwater Ecology and Inland Fisheries, Müggelseedamm 310, 12587 Berlin, Germany.
3. Center for Limnology, University of Wisconsin-Madison, 680 N Park Street, Madison WI 53706, USA.
4. Ontario Ministry of Natural Resources, Center for Northern Forest Ecosystem Research, 955 Oliver Road, Thunder Bay, ON P7B 5E1, Canada.
5. State Research Institute for Agriculture and Fisheries Mecklenburg-Vorpommern, Fischerweg 408, 18069 Rostock, Germany.
6. Division of Integrative Fisheries Management, Department for Crop and Animal Sciences, Faculty of Life Science and Integrative Research Institute for the Transformation of Human–Environment Systems, Humboldt-Universität zu Berlin, Philippstrasse 13, Haus 7, 10115 Berlin, Germany.