Current condition of populations and spatial-environmental features of habitats of russet ground squirrel Spermophilus major
نویسندگان
چکیده
The russet ground squirrel (Spermophilus major ) is known in the literature as a numerous widespread species. In recent decades, decline its abundance was found some parts of range. We have assessed condition this species most distribution area based on our observations and interviews with local people. Spatial, landscape vegetation cover parameters S. settlements been studied. research results showed number, disappearance decrease suitable habitats for Small medium-sized relatively low density burrows, associated grass meadow communities typical pastures cattle grazing, prevail among settlements. One main factors number is, apparently, pasture grazing intensity. continuing trend degradation ecosystems may pose threat to existence
منابع مشابه
faculty of psychology and social sciences group of anthropology master thesis in major of anthropology
چکیده پایان نامه (شامل خلاصه، اهداف، روش های اجرا و نتایج به دست آمده): کار جمع آوری گو یش های محلی در سال های اخیر شتاب امیدوار کننده ای به خود گرفته است. شاید از بارزترین اهداف جمع آوری گویش های مختلف، ثبت و ضبط آن، جلوگیری از نابودی و مهمتر از همه حل مشکلات دستوری زبان رسمی باشد. دقت در فرآیند های زبانی گویش های محلی نوع ارتباط مردم نواحی مختلف با پیرامون نشان را به ما نشان خواهد داد. از س...
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چکیده ندارد.
15 صفحه اولRenal function in the hibernating ground squirrel Spermophilus columbianus.
MOY, hZHARD h/I. Renal junction in the hibernating ground squirrel Spermophilus columbianus. Am. J. Physiol. 220(3) : 747-753. 1971. -A tissue-slice analysis showed no solute gradient of urea and sodium from the corticomedullary boundary through the papilla of torpid Columbian ground squirrels. Ground squirrels arousing normally from torpor and sacrificed 15 or 40 min after urine began to flow ...
متن کاملGeneric Revision in the Holarctic Ground Squirrel Genus Spermophilus
The substantial body of research on Holarctic ground squirrels amassed over the past century documents considerable variability in morphological, cytogenetic, ecological, and behavioral attributes in the genus Spermophilus F. Cuvier, 1825. Recent molecular phylogenetic studies suggest that the traditionally recognized genera Marmota Blumenbach, 1779 (marmots), Cynomys Rafinesque, 1817 (prairie ...
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ژورنال
عنوان ژورنال: Vestnik Rossijskogo universiteta družby narodov
سال: 2021
ISSN: ['2312-8151', '2312-8143']
DOI: https://doi.org/10.22363/2313-2310-2021-29-1-7-22