List of Articles Open Access Article Abstract Page Full-Text 1 - Effects of altitude on tree species diversity in Hyanan oak forests of Ilam province ahmad hoseini Open Access Article Abstract Page Full-Text 2 - چکیده این تحقیق به منظور بررسی تاثیر اندازه مساحت روشنه حاصل از برشهای تک گزینی بر زندهمانی نهالهای نهالستانی و جنگلی راش شرقی (Fagus orientalis Lipsky) در سه حفره تاج پوشش (با سطوح 50، 200، 600 متر مربعی) یک تودۀ راش در مجاورت نهالستان اوریملک سنگده به همراه یک hamid ghiasoddin abbas jamshidi bakhtar mohammadreza poormajidian masood tabari koochaksarei shohreh aami kambiz espahbodi Open Access Article Abstract Page Full-Text 3 - Assessment of soil erosion and watershed prioritization using empirical models EPM and MPSIAC (Case Study: Aro watershed) reza bayat maryam rostami Open Access Article Abstract Page Full-Text 4 - Investigation and determining environmental factors affecting on distribution of rangeland habitats in Southeast of Sabalan behnam bahrami ardavan ghorbani Open Access Article Abstract Page Full-Text 5 - Evaluation of increasing the production through selection of appropriate species of range and the influence of different planting methods on the amount of their production (case study: Shoorab ranges of Kashan) morteza abtahi Open Access Article Abstract Page Full-Text 6 - Soil Variability Affecting by Trees rooting and Canopy Coverage in Hassan-Abad Sanandaj Afforestation shetav saedi hashem habashi vahid hosseini Open Access Article Abstract Page Full-Text 7 - The effect of Canopy Cover, slope and direction of domain on continuing regeneration in zagross forest (case study: blooran. Koohdasht, lorestan) koorosh nazarpoor fard mehdi zarooni vahid etemad manoochehr namiranian Open Access Article Abstract Page Full-Text 8 - Effect of trees canopy and topography on some chemical properties of forest soil (Case Study: The forest of Ilam province, Dalab) mahnaz karamian vahid hosseini