نتایج جستجو برای: yeylagh e gharechi arasbaran

تعداد نتایج: 1017002  

درویشی, آصف, سفیانیان, علیرضا , فاخران, سیما , قربانی, مهدی ,

Large scale land use/cover changes and habitat fragmentation have been associated with the decline of many wildlife populations in ecological sensitive regions. The main goal of this study was to quantify the spatial pattern changes in Caucasian Black Grouse habitat in Arasbaran Biosphere Reserve, Northwest of Iran in a period of 24 years (1987–2011). Caucasian black grouse (Tetrao mlokosiewicz...

Journal: رستنیها 2009

This is the third in a series of publications on floristic studies of macrofungi of Arasbaran forests (NW. Iran). In the first paper, new species of the genus Cortinarius, subgenus Myxacium collected from Arasbaran forests, were reported for the first time in Iran. In this paper, species of the genus Cortinarius, subgenus Phlegmacium are presented. Six species viz. C. fluryi, C. paracephalixus,...

Journal: :نامه انجمن حشره شناسی ایران 0
n. eivazian kary g. niknam m. nikdel

during conduction a survey of entomopathogenic nematodes throughout arasbaran forests and rangelands, north west of iran in 2007-2008, an entomopathogenic nematode was isolated using galleria baiting method from soil samples collected from rangelands, near chichakloo, varzeghan, east azarbaijan. it was identified as steinernema kraussei (steiner, 1923) travassos, 1927 based on morphology and mo...

Journal: :محیط زیست طبیعی 0
آصف درویشی دانشجوی کارشناسی ارشد محیط زیست دانشکدۀ منابع طبیعی دانشگاه صنعتی اصفهان سیما فاخران استادیار گروه محیط زیست دانشکدۀ منابع طبیعی دانشگاه صنعتی اصفهان علیرضا سفیانیان استادیار گروه محیط زیست دانشکدۀ منابع طبیعی دانشگاه صنعتی اصفهان مهدی قربانی استادیار گروه مرتع و آبخیزداری دانشکدۀ منابع طبیعی دانشگاه تهران

large scale land use/cover changes and habitat fragmentation is a major factor in the distribution and functioning of ecosystems. for analysis the relationship between land use changes and their impacts on biodiversity, land cover and land use information is needed at different scales. the main goal of this study was to quantify the land use/ cover changes in arasbaran biosphere reserve, northw...

Journal: :iranian journal of veterinary medicine 2012
fereydoon rezazadeh javad ghahari mir mohsen hosseini gomi javad ashrafihelan neda hosseinzadeh

in may 2007, a suborder shoka deer calf about one month of age was found in a preserved area of arasbaran in the east azerbaijan province. from an ecological view point, the arasbaran area is uniquely labelled as a reserve biosphere. he calf had diarrhea that recovered after treatment. during rearing, the calf received pasteurized- homogenized milk from market as well as milk of a goat. after 3...

Journal: :جنگل و فرآورده های چوب 0
بیت الله محمودی استادیار گروه جنگلداری دانشکدة منابع طبیعی و علوم زمین دانشگاه شهرکرد، شهرکرد، ایران احمد بازگیر دانشجوی دکتری جنگلداری دانشکدة کشاورزی دانشگاه لرستان، خرم آباد، ایران جهانگیر فقهی دانشیار گروه جنگلداری و اقتصاد جنگل دانشکدة منابع طبیعی دانشگاه تهران، کرج، ایران فاطمه جعفری کارشناس ارشد مدیریت کشاورزی دانشکدة منابع طبیعی دانشگاه تهران، کرج، ایران

one of the indicators of management and sustainability control of forest resources is the definition deforestation and degradation types. these factors hazard quantitative and qualitative of the iranian forests. in this study with integrated approach, different forms of forest degradation identified in the forest areas with a reviews of library resources and then investigation the degree of sta...

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