1. Environmental and Life Sciences Graduate Program, Trent University, Peterborough, ON K9J 7B8, Canada.
2. Department of Environmental Conservation, University of Massachusetts, Amherst, MA 01003, USA.
3. Department of Fish and Wildlife Sciences, University of Idaho, College of Natural Resources, Moscow, ID 83844, USA.
4. Conservation Visions Inc., P.O. Box 5489, Station C, 354 Water St., St. John’s, NL A1C 5W4, Canada.