Affiliation: | 1. Department of Forestry, Natural Resources Faculty, University of Guilan, Somehsara, P.O.Box 1144, Guilan, Iran 2. Department of Forestry, Natural Resources Office, Guilan, Iran 3. Centre d'étude de la for(e)t(CEF)et Département des sciences du bois et de la for(e)t, Pavillon Abitibi-Price, 2405 rue de la Terrasse,Université Laval, Québec, QC G1V 0A6, Canada |