1. Canadian Wildlife Federation, 350 Michael Cowpland Drive, Ottawa, ON K2M 2W1, Canada
2. Carcross/Tagish First Nation, PO Box 130, Carcross, YT Y0B 1B0, Canada
3. Department of Biology, Carleton University, 1125 Colonel By Drive, Ottawa ON K1S 5B6, Canada
4. NORCE Norwegian Research Centre, LFI – Freshwater Biology, Nygårdsporten 112, 5006 Bergen, Norway