نتایج جستجو برای: habitat associations of wild sheep

تعداد نتایج: 21193614  

Journal: :Land 2022

We present a methodology to assess the conservation value of mitigation lands for desert bighorn sheep (Ovis canadensis nelsoni) within landscapes impacted by historic and ongoing industrial uses. The Bighorn Habitat Assessment Tool (BHAT) was developed support adaptive management Cushenbury population located on north slope San Bernardino Mountains in southern California, USA. use novel formul...

2017
Mark L Drew Glen C Weiser

Domestic goats are raised for meat, milk and hair production, in herds for rangeland weed control, and as pack animals. Domestic sheep, goats and wild bighorn sheep are all susceptible to a multifactorial pneumonia. We sampled 43 herd goats from 7 herds and 48 pack goats from 11 herds for viral and bacterial serology, parasitology, and Pasteurellaceae microbiology. The goats in this study were ...

A.R. Yavari B. Shams-Esfandabad H.R. Jafari J. Sarhangzadeh M.R. Hemami

Wild goat (Capra aegagrus) is one of the most prominent mountain mammals dispersed in many habitats in Iran. However, few studies on the relationship between this species and its habitat have been conducted. This species is recognized as one of the main food source for highly endangered species such as cheetah and leopard. In this study which lasted from fall 2009 through summer 2011, seasona...

Habib Khoshvaghti Mosa Tavassoli,

Forty-one wild sheep (Ovis ammon orintalis) from Kabodan Island of National Park of Urmia Lake (North-West of Iran), were examined during a period of six months from October 2002 to March 2003, for helminthes and coccidian infection. The numbers of oocyst and eggs per gram of faeces (OPG & EPG) were determined by the centrifuge flotation technique using saturated sugar solution. The rate of inf...

Journal: :cell journal 0

introduction: cloning an individual by transferring somatic nuclei into enucleated recipient oocytes has already been well established. this technology also offers new opportunities to restore threatened species with interspecies somatic cell nuclear transfer (scnt). however, few mammalian species have been studied for their reproductive biology whereas huge differences have been observed betwe...

Journal: :caspian journal of environmental sciences 2013
j. sarhangzadeh a.r. yavari m.r. hemami h.r. jafari b. shams-esfandabad

wild goat (capra aegagrus) is one of the most prominent mountain mammals dispersed in many habitats in iran. however, few studies on the relationship between this species and its habitat have been conducted. this species is recognized as one of the main food source for highly endangered species such as cheetah and leopard. in this study which lasted from fall 2009 through summer 2011, seasonal ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده ادبیات و زبانهای خارجی 1391

abstract this study investigates the teachers’ correction of students’ spoken errors of linguistic forms in efl classes, aiming at (a) examining the relationship between the learners’ proficiency level and the provision of corrective feedback types, (b) exploring the extent to which teachers’ use of different corrective feedback types is related to the immediate types of context in which err...

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: :veterinary research forum 2012
mosa tavassoli habib khoshvaghti

forty-one wild sheep (ovis ammon orintalis) from kabodan island of national park of urmialake (north-west of iran), were examined during a period of six months from october 2002 tomarch 2003, for helminthes and coccidian infection. the numbers of oocyst and eggs per gram offaeces (opg & epg) were determined by the centrifuge flotation technique using saturated sugarsolution. the rate of inf...

Journal: :محیط زیست طبیعی 0
حمید گشتاسب عضو هیئت علمی دانشگاه محیط زیست، ایران بهمن شمس اسفندآباد عضو هیئت علمی گروه محیط زیست دانشگاه آزاد اسلامی واحد اراک، ایران فرهاد عطایی کارشناس دانشگاه محیط زیست، ایران عبدالحسین مظفری معاون محیط طبیعی اداره کل محیط زیست استان قزوین، ایران

wild boar is distributed throughout iran except highly arid areas. in recent years, however, population size of wild boar has increased primarily because of reduction in population size of natural predators such as leopard. conversely, changes in land-use practices and increase in foraging of livestock in natural habitats has led to reduction of food resources and consequently, has forced the s...

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