نتایج جستجو برای: zagros forest

تعداد نتایج: 107317  

Azizollah Jafari Kokhdan Dorna Rezaei Mohamad Hossein Irannezhad Parizi Roghaye Zolfaghari

Dena Biosphere Reserve located in Iran and is a 550 Biosphere Reserve in the worlds. This research was investigated in the two protected and non-protected areas, in a Dena Biosphere Reserve, Kohkeloye va Boyrahmad province, and central zagros forest, southwest of Iran. Inventory methods designed by systemetic-randomaiz method by use the rectangular plots that were 15×30 meters in the 100×100 m ...

حسین خادمی, , جهانگرد محمدی, , محسن نائل, ,

In order to achieve a sustainable management of land resources and to improve land quality, quantitative assessment of effective factors and soil quality indicators are required. The aim of this study was to evaluate variability of selected soil quality attributes in central Zagros affected by such factors as region, land use and management practices. Twelve sites were selected in three provinc...

Journal: :Zootaxa 2013
Morteza Kahrarian Reza Vafaei-Shoushtar Dariusz Skarżyński Marta Konikiewicz Ebrahim Soleymannezhadyan Masoumeh Shayan Mehr Bahman Shams

Hypogastrura persica sp. nov. is described from the Zagros Mountains (Kermanshah Province, Iran). The new species can be distinguished from two nearest congeners, namely H. exigua Gisin, 1958 (Alps) and H. magistri Babenko, 1994 (Siberia), by the body size, the number of sensilla on antennal segment IV, the number of setae on dens and ventral tube as well as chaetotaxy of abdominal terga IV and...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تحصیلات تکمیلی صنعتی کرمان - دانشکده برق و کامپیوتر 1390

عملکردهای زیستی پروتئین ها به واکنش های شیمیایی آنها با محیط پیرامون و سایر پروتئین ها بستگی دارد. به عبارت دیگر، ساختار سه بعدی و نحوه تاخوردن اجزای پروتئین ها در فضا، چگونگی این تعاملات را تعیین می کند. تشخیص صحیح الگوی تاخوردگی پروتئین با استفاده از اطلاعات استخراج شده از توالی آن، یکی از مسائل پیچیده و بحث برانگیز در زمینه بیوانفورماتیک می باشد. در این پایان نامه، سه روش نوین مبتنی بر الگور...

Journal: :journal of agricultural science and technology 2016
h. ramezani a. grafstrom h. naghavi a. fallah sh. shataee

three k-tree distance and fixed-sized plot designs were used for estimating tree density in sparse oak forests. these forests cover the main part of the zagros mountain area in western iran. they are non-timber-oriented forest but important for protection purposes. the main objective was to investigate the statistical performance of k-tree distance and fixed-sized plot designs in the estimation...

Journal: :محیط زیست طبیعی 0
مهدی قربانی دانشگاه تهران فاطمه سالاری دانشگاه تهران علی حمیدیان دانشگاه تهران مائده نصری دانشگاه تهران

the importance of zagros forests and interdependence of local communities to forest resources have led to complexity of its management. the role of local communities and investigating their relations toward implementation of natural resources co-management are undeniable. social network analysis (sna) approach is a new method which illustrates relations among local beneficiaries and has importa...

2011
J. P. Evans A. Alsamawi

This study quantifies the significance of southerly water vapour fluxes, associated with the Zagros Mountains barrier jet, on precipitation occurring in the Eastern Fertile Crescent region and its change due to global warming. Precipitation events are simulated using a Regional Climate Model (MM5-Noah) driven by boundary conditions from a CCSM global climate model simulation with the SRES A2 em...

Journal: : 2022

The Relationship between wildfire areas and physiographic features in the Zagros vegetation area, Kermanshah province

Abas Jamshidi Bakhtar, Khosro Sagheb-Talebi Maziar Haidari, Mohamad Reza Marvi Mohajer

Fire, as a natural ecological disturbance factor in forest, this study located in the Marivan region, Northern Zagros forest, and western Iranian state of Kurdistan. In each burned and unburned area 30 circle sample plot (1000 m2) were collected by randomized–systematic method in the 100×200 m net (in total 60 plots). In every sample plot the kind of species, number of tree, the heig...

Abas Jamshidi Bakhtar, Khosro Sagheb-Talebi Maziar Haidari, Mohamad Reza Marvi Mohajer

Fire, as a natural ecological disturbance factor in forest, this study located in the Marivan region, Northern Zagros forest, and western Iranian state of Kurdistan. In each burned and unburned area 30 circle sample plot (1000 m2) were collected by randomized–systematic method in the 100×200 m net (in total 60 plots). In every sample plot the kind of species, number of tree, the heig...

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