نتایج جستجو برای: arasbaran region
تعداد نتایج: 538074 فیلتر نتایج به سال:
abstract: in this thesis, we focus to class of convex optimization problem whose objective function is given as a linear function and a convex function of a linear transformation of the decision variables and whose feasible region is a polytope. we show that there exists an optimal solution to this class of problems on a face of the constraint polytope of feasible region. based on this, we dev...
Spatio-temporal analysis of land use/land cover pattern changes in Arasbaran Biosphere Reserve: Iran
The main purpose of this study is to investigate the quantitative and qualitative characteristics of dominant tree species and their regeneration status in the Arasbaran forests. Data were collected by transect sampling and regeneration was assessed by plot with an area 100 m2. In the sample plots, we recorded information on species type, diameter at breast height, height, quality of seedlings ...
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...
Background: One of the most important concerns after disasters is managing their health consequences. This study examines the experiences of primary healthcare workers (PHCWs) who involved in managing the health effects of the Arasbaran twin earthquakes of August 2012. Materials and Methods: This study was conducted using a qualitative approach. Data were collected through semi-structured deep...
The Family Russulaceae comprises of some important agaricoid and gasteroid taxa of Agaricomycetes. Two genera, Lactarius and Russula are distinctive basidiomycetes that possesses heteromerous tissue composed of sphaerocyte cells and amyloid ornamentation on their basidiospores. Some of the important ectomycorrhizal, edible, poisonous and medicinal species have been rested in genera Lactarius an...
Species diversity protection will ensure the protection of natural processes and ecological values. Appropriate information on the condition and location of endanger species will facilitate the management and conservation of forest areas. The present study was conducted in Arasbaran forests for the purpose of evaluating two sampling methods including circular sampling (1000 m2 area) and the nea...
in order to examine the ecological conditions and characteristics of fraxinus excelsior l. in the northern forests of iran 6 main areas as well as some miscellaneous ones , have been selected in the region respectively in : lomir2, shafaroud , park - e-noor , ahlam , alandan and noor.
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