Research Center in Forest Biology, Department of Wood and Forest Science, Laval University, Sainte-Foy (QC), Canada G1K-7P4. ltarca@rsvs.ulaval.ca|Research Center in Forest Biology, Department of Wood and Forest Science, Laval University, Sainte-Foy (QC), Canada G1K-7P4. ltarca@rsvs.ulaval.ca|Research Center in Forest Biology, Department of Wood and Forest Science, Laval University, Sainte-Foy (QC), Canada G1K-7P4. ltarca@rsvs.ulaval.ca