1. Département de Biologie, Université Laval, Québec City, QC G1V 0A6, Canada
2. Centre for Northern Studies (CEN), Québec City, QC G1V 0A6, Canada
3. School of Biological and Environmental Sciences, Liverpool John Moores University, Liverpool L3 3AF, UK
4. Sentinel North, Université Laval, Québec City, QC G1V 0A6, Canada
5. Département de Géographie, Université Laval, Québec City, QC G1V 0A6, Canada
6. Center for Forest Research (CEF), Québec City, QC G1V 0A6, Canada