نتایج جستجو برای: rocky areas and northern aspects. habitat suitability map of wild sheep in kavir national park

تعداد نتایج: 26045823  

Journal: :محیط زیست طبیعی 0
مجتبی قندلی اداره کل حفاظت محیط زیست استان سمنان افشین علیزاده استادیار دانشکده منابع طبیعی، دانشگاه تهران، ایران محمود کرمی - استاد دانشکده منابع طبیعی، دانشگاه تهران، ایران محمد کابلی استادیار دانشکده منابع طبیعی، دانشگاه تهران، ایران

kavir national park is an example of dry and desert ecosystem that is consisted of vast plains and numerous highlands. wild sheep is one of the iconic bovid in this area. understanding their habitat requirements and similarities is essential for their successful population management. we used ecological niche factor analysis approach to develop habitat suitability models for wild sheep in kavir...

پایان نامه :0 1371

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.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد - دانشکده جغرافیا 1392

the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...

Journal: :محیط زیست طبیعی 0
فرهاد عطایی کارشناس ارشد زیستگاه ها و تنوع زیستی، دانشکده محیط زیست و انرژی، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران، ایران محمود کرمی استاد گروه محیط زیست، دانشکده محیط زیست و انرژی، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران، ایران محمد کابلی استادیار گروه محیط زیست، دانشکده منابع طبیعی، دانشگاه تهران، ایران

brown bear (ursus arctos) is one of the most important carnivores in iran. however, information on its habitat associations is scared. based on ecological niche factor analysis (enfa) method, a summer habitat suitability model was developed for this species in the southern part of alborz protected area. our results showed that, brown bears prefer higher altitudes and northern aspects in their p...

Journal: :محیط زیست طبیعی 0
آزیتا فراشی دانشجوی کارشناسی ارشد محیط زیست، دانشکده منابع طبیعی، دانشگاه تهران، ایران محمد کابلی استادیار گروه شیلات و محیط زیست، دانشکده منابع طبیعی، دانشگاه تهران، ایران ایمان مومنی دانشجوی کارشناسی ارشد محیط زیست، دانشکده منابع طبیعی، دانشگاه تهران، ایران

kolah ghazi national park is one of the most important habitats for wild goat in iran with a population of around 2000 heads. in order to model the habitat for this species, a presence only layer was used as input to enfa method in biomapper software. ecogeographic factors were also used as independent variables including plant community, distribution of predators, geomorphologic features, main...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز 1381

‏‎the community dynamics of aquatic coleoptera(insecta)in one of the spring-stream habitats of bammo national park in fars province called cheshmeh-ye-ghanbari is studied as a pilot project and model for acquaintance with and furthering the biodiversity studies on fauna of iran. sixteen species-populations out of nineteen of this community were already identified for their taxonomy and for thei...

ترکش, مصطفی, رنجبر, ندا, شاهقلیان, جواد, همامی, محمود رضا,

Knowledge of species’ habitat needs is considered as one of the requirements of wildlife management. We studied seasonal habitat suitability and habitat associations of wild goat (Capra aegagrus) in Kolah-Qazi National Park, one of its typical habitats in central Asia, using Maximum Entropy approach. The study area was confined to mountainous areas as the potential habitat of the wild goat. Ele...

Journal: :محیط زیست طبیعی 0
زهره کرمانی القریشی دانش آموخته کارشناسی ارشد دانشکده منابع طبیعی، دانشگاه تربیت مدرس، ایران عباس علیمحمدی سراب عضو هیأت علمی، دانشکده مهندسی ژئودزی و ژئوماتیک، دانشگاه خواجه نصیرالدین طوسی، ایران بهرام حسن زاده کیابی عضو هیأت علمی، دانشکده علوم زیستی، دانشگاه شهید بهشتی، ایران

habitat associations of wild sheep, alborz red sheep (ovis orientalis gemelini x ovis orientalis arkali ), in khojir and sorkheh hesar national parks were studied over three seasons (spring, autumn and winter) in 2000. the position of observed maternal groups (including ewe with lamb) and male groups (including rams, barren ewes and juveniles) were determined on topographical maps during the fi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1392

the issue of curriculum and syllabus evaluation and revision has been in center of attention right from when curriculum came into attention of educational institutions. thus everywhere in the world in educational institutions curricula and syllabi are evaluated and revised based on the goals, the needs, existing content, etc.. in iran any curriculum is designed in a committee of specialists and...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1388

based on the latest records of typhlops vermicularis merrem, 1820 from iran, this species is distributed in the northern and southern regions of the country. in this study, new records of typhlops vermicularis are presented and it is shown that distribution range of this species is extended towards the eastern and western iran, and according to the new distribution map, it can be assumed that t...

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