1. School for Resource and Environmental Studies, Dalhousie University, Kenneth C. Rowe Management Building, 6100 University Ave, PO BOX 15000, Halifax, NS B3H 4R2, Canada.
2. Nova Scotia Department of Lands and Forestry, 15 Arlington Place, Truro, NS B2N 0G9, Canada.
3. School of Environment and Sustainability, University of Saskatchewan, 323 Kirk Hall, 117 Science Place, Saskatoon, SK S7N 5C8, Canada.
4. Department of Biology, Western University, 1151 Richmond Street, London, ON N6A 5B7, Canada.
5. Department of Geography, McGill University, 805 Sherbrooke Street West, Montreal, QC H3A 2K6, Canada.