Affiliation: | 1. Department of Forestry, Natural Resource Faculty, University of Guilan, Somehsara, P. O. Box 1144, Guilan, Iran 2. Centre d’étude de la forêt (CEF), and Département des sciences du bois et de la forêt, Pavillon Abitibi-Price, 2405 rue de la Terrasse, Université Laval, Québec, QC, G1V 0A6, Canada 3. Department of Forestry, Natural Resources Office, Guilan, Iran
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