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Oli, M.K.; Rogers, E.M. |
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Title |
Seasonal pattern in group size and population composition of blue sheep in Manang, Nepal |
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1996 |
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Journal of Wildlife Management |
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60 |
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4 |
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797-801 |
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prey; snow leopard; panthera uncia; Nepal; annapurna conservation area; predator; blue; sheep; browse; Panthera-uncia; panthera; uncia; Annapurna-Conservation-Area; annapurna; conservation; area; 650 |
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Blue sheep (Pseudois nayaur) are the principal prey of the endangered snow leopard (Panthera uncia) in the Himalayas and adjacent ranges. We studied group size and population composition of blue sheep in Manang District, Annapurna Conservation Area, Nepal. Overall mean group size was 15.6 (SE = 1.3), but it varied seasonally (P lt 0.001), with significantly smaller groups in winter than in other seasons. Mixed groups were most numerous in all seasons, and there was no evidence of sexual segregation. Yearling sex ratio (93.7 M:100 F) did not vary seasonally, nor did the ratio deviate from parity. Adult sex ratio showed a seasonal pattern favoring males post-parturition but female-biased during the rut and pre-parturition. Seasonal variation in sex-specific mortality is offered as a plausible explanation for the observed pattern in adult sex ratio. |
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Document Type: English
Call Number: 639.105 JO |
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SLN @ rana @ 288 |
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750 |
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Oli, M.K. |
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Title |
Seasonal patterns in habitat use of blue sheep Pseudois nayaur (Artiodactyla, Bovidae) in Nepal |
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1996 |
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Mammalia |
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60 |
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2 |
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187-193 |
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blue-sheep; snow-leopard; Panthera-uncia; Nepal; conservation; prey; predator; snow leopard; blue; sheep; browse; panthera; uncia; 670 |
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Blue sheep (Pseudois nayaur) are the main prey of the endangered snow leopard (Panthera uncia) as well as an important game species in Nepal. A knowledge of how blue sheep utilize their habitat is essential for the scientific management of the sheep and for the conservation of the snow leopard, but we only have a limited understanding of this aspect of blue sheep ecology. I studied the habitat use pattern of blue sheep by direct observation in the Anna-purna Conservation Area, Nepal where they occur sympatrically with the snow leopard. The sheep used grassland habitats more frequently during pre-parturition (spring) and post-parturition (autumn) than other habitat types, but scrub and grassland habitats were used equally frequently during the rut (winter). The sheep used smooth undulating slopes of medium steepness (<40 degrees) on southerly aspects within the elevation range of 4,200-4,600 m most frequently in all seasons, and there was no evidence of seasonal migration along the elevation gradient. When not in broken landforms (e.g., cliff, landslides), the sheep maintained proximity (less than or equal to 150 m) to such features suggesting their importance as escape cover (i.e., from predators). The use of habitat components by blue sheep appeared to be related to the distribution of foraging areas and escape cover. |
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UNIV EDINBURGH,INST CELL ANIM & POPULAT BIOL,EDINBURGH EH9 3JT,MIDLOTHIAN,SCOTLANDANNAPURNA CONSERVAT AREA PROJECT,KATMANDU,NEPAL /Publisher:MUSEUM NAT HIST NATURELLE, PARIS Document Type: English |
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SLN @ rana @ 289 |
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751 |
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Oli, M.K.; Taylor, K.R.; Rogers, M.E. |
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Title |
Snow leopard Panthera uncia predation of livestock: An assessment of local perceptions in the Annapurna Conservation Area, Nepal |
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Miscellaneous |
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1994 |
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Biological Conservation |
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68 |
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63-68 |
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snow leopard,blue sheep,livestock predation,public attitudes,Annapurna Conservation Area,Nepal. |
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Public attitudes towards snow leopard Panthera uncia predation of domestic livestock were investigated by a questionnaire survey of four villages in snow leopard habitat within the Annapurna Conservation Area, Nepal Most local inhabitants were subsistence farmers, many dependent upon yaks, oxen, horses and goats, with an average livestock holding of 26.6 animals per household. Reported losses to snow leopards averaged 0.6 and O. 7 animals per household in two years of study, constituting 2.6% of total stockholding but representing in monetary terms almost a quarter of the average annual Nepali national per capita income. Local people hem strongly negative attitudes towards snow leopards and most suggested that total extermination of leopards was the only acceptable solution to the predation problem. Snow leopards were reported to be killed by herdsmen in defence of their livestock. The long-term success of snow leopard conservation programmes may depend upon the satisfactory resolution of the predation conflict. Some possible ways of reducing predation losses are also discussed. |
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SLN @ rana @ 893 |
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753 |
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Prasad, S.N.; Chundawat, R.S.; Hunter, D.O.; Panwar, H.S.; Rawat, G.S. |
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Title |
Remote sensing snow leopard habitat in the trans-Himalaya of India using spatial models and satellite imagery preliminary results |
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1991 |
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519-523 |
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snow-leopard; Gis; cartographic-modelling; India; Ladakh; Zanskar; predation; habitat; prey; predator; blue-sheep; snow leopard; blue; sheep; browse; cartographic modelling; cartographic; modelling; 810 |
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The snow leopard (Panthera uncia) is a flagship species for conservation in the high mountain regions of central Asia. Data on snow leopard predation, habitat conditions and range of main prey species were gathered along with thematic maps of the study area for elevation, snow cover, sighting data, kill data, blue sheep use areas, and vegetation data. These data were entered into a GIS and used to help delineate surface features from a satellite image. Preliminary results show that general physiographic features of snow leopard habitat can be detected using satellite imagery and that GIS cartographic modeling techniques can improve this delineation. -from Authors |
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Buhyoff, G.J. |
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Title, Monographic: Resource Technology 90. Proc. second international symposium on advanced technology in natural resources management
Place of Meeting: Washington, DC |
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SLN @ rana @ 176 |
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792 |
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