1. Center for Forest Research; Université du Québec à Montréal; PO Box 8888, Centre-ville Station Montréal QC H3C 3P8 Canada
2. Université de Sherbrooke; 2500 Boulevard de l'Université Sherbrooke QC J1K 2R1 Canada
3. Québec Center for Biodiversity Science; McGill University; 1205 Dr. Penfield Avenue, Montréal; Québec; Canada H3A 1B1
4. Department of Forest Resources; University of Minnesota; St. Paul MN 55108 USA
5. Hawkesbury Institute for the Environment; Western Sydney University; Penrith NSW 2753 Australia
6. Department of Ecology, Evolution and Behavior; University of Minnesota; St. Paul MN 55108 USA
7. Institut des sciences de la forêt tempérée (ISFORT); Université du Québec en Outaouais (UQO); 58 rue Principale Ripon QC J0V 1V0 Canada