نتایج جستجو برای: arasbaran
تعداد نتایج: 98 فیلتر نتایج به سال:
stool examinations undertaken among 961 inhabitants ora few villages ~ ~ in dickleh, azerbaijan, northwest iran, revealed the presence of ascaris among 62 ~j:j of the persons examined. in addition, 17.3 ~~ ;; were found infected respectively with 1'. trichiura, trichostrongylus spp. and h. nana. the eggs of oxyuris and taenia were seen in the stool of 3.4 ii () and 1./5 (j 0 respectively, and 3...
Species composition can vary among different types of habitat and is defined by the dependency species on resources. The positive relationship between forest functions increasing interest to researchers. In this study, we focused structural complexity index (SCI) Caucasian grouse (Lyrurus mlokosiewiczi) habitat, which an indicator in mountain habitats Arasbaran biosphere reserve, Iran. Data wer...
the essential oils of the aerial parts of a. armeniaca and a. incana , collected from arasbaran area (east azarbaijan province, iran) were extracted by hydrodistillation and analyzed by gc-ms. in total, 16 and 40 constituents were identified and quantified in the oils of a. armeniaca and a. incana representing 80.5% and 84.6% of the oils, respectively. the essential oil of a. armeniaca was main...
Natural regeneration is one of the key aspects of forest sustainability and a tool to decide on restoration programs in forest areas. The purpose of this study was to investigate the quantity of natural regeneration of Acer campestre L. as one of the most important tree species in Arasbaran forests and its relationship with elevation changes and structural characteristics in the natural stands....
The Sungun Cu-Mo porphyry deposit forms part of the Ahar–Arasbaran Magmatic Belt (AAMB). Its host Miocene stock is quartz monzonitic in composition and cut by intermediate dykes that post-date mineralization. These contain pyroxene enclaves ambiguous origin. Dykes microdiorite are observed within diorite dykes, whereas later three different kinds (diorite, hornfels) sizes between 1 10 cm. Encla...
Cornalian cherry (Cornus mas L.) is a native woody species in Arasbaran, N.W. Iran. It commonly grows as a wild tree on the forest edges and in forest openings areas. In this study, the influence of physiographic and environmental factors such as aspect, climate (temperature, precipitation) and physical and chemical properties of soil on the tree ring width of Cornalian cherry was examined and ...
An investigation was carried out in some areas of Golestan Province including: Loveh forest, Soosara, Daland forest park, Tooskestan; Gilan Province including Siahkal and Asalem forests; Arasbaran and landscape of urban trees during 1999–2007. In this investigation, based on some morphological, physiological and molecular characteristics and also comparison with standard isolates two species Op...
0
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید