Natural Resources Canada, Canadian Forest Service - Atlantic Forestry Centre, PO Box 4000, Fredericton, New Brunswick E3B 5P7, Canada;
Population Ecology Group, Faculty of Forestry and Environmental Management, University of New Brunswick, Fredericton, New Brunswick E3B 6C2, Canada;
Natural Resources Canada, Canadian Forest Service - Atlantic Forestry Centre, PO Box 4000, Fredericton, New Brunswick E3B 5P7, Canada;
Population Ecology Group, Faculty of Forestry and Environmental Management, University of New Brunswick, Fredericton, New Brunswick E3B 6C2, Canada;
Sylvar Technologies Inc., P.O. Box 636, Stn. A, Fredericton, New Brunswick E3B 5A6, Canada;