Name aliazghar darvish sefat Affiliation عضو یک سازمان آموزشی یا پژوهشی داخلی Degree Website Email — JournalPaper Presentation Speech WorkShop Book Innovation GrantAttraction Thesis Festival FinishedProject Sales Art StandardCreation TitleConference 1 Evaluation of potential of SPOT5-HRG for forest density mapping in the north of Iran 2 Estimating Harvesting Machine Productivity (Timberjack 450C) in Two Skidding Directions 3 The study of spatial distribution of forest changes in the northern forests of iran