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Oli, M.K.; Taylor, I.R.; Rogers, M.K. |
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Title |
Diet of the snow leopard (Panthera uncia) in the Annapurna Conservation Area, Nepal |
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1993 |
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Journal of Zoology London |
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231 |
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3 |
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365-370 |
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predation; scats; prey; Nepal; blue-sheep; marmot; yaks; pika; livestock; diet; blue; sheep; browse; 770 |
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Abstract |
The diet of the snow leopard (Panthera uncia) was studied from 213 scats collected between April 1990 and February 1991 in the Annapurna Conservation Area, Nepal. Seven species of wild and five species of domestic mammals were taken, as well as an unidentified mammal and birds. Blue sheep (Pseudois nayaur) were the most frequently eaten prey. Himalayan marmots (Marmota himalayana) were also important, except in winter when they were hibernating. During winter, snow leopards ate more Royle's pika (Ochotona roylei) and domestic livestock. Yaks were eaten more frequently than other livestock types. |
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Document Type: English
Call Number: QL1 .J879 |
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SLN @ rana @ 206 |
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744 |
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Author |
Harris, R.B. |
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Title |
Dealing with uncertainty in counts of mountain ungulates |
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1994 |
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105-111 |
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ungulates; blue-sheep; argali; tahr; ibex; prey; predator; status; population; asia; blue; sheep; browse; 3260 |
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Islt |
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Usa |
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J.L.Fox; Jizeng, D. |
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Full Text at URLTitle, Monographic: Seventh International Snow Leopard SymposiumPlace of Meeting: ChinaDate of Copyright: 1994 |
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Call Number |
SLN @ rana @ 224 |
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372 |
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Author |
Ganguli-Lachungpa, U. |
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Title |
Dead snow leopard (Uncia uncia) at Yabuk, Dongkung (5500M) in North Sikkim |
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Miscellaneous |
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1999 |
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Sikkim; Dongkung; Tibet; Dogs; feral-dogs; potected-area; parks; reserves; refuge; sighting; blue-sheep; herders; livestock; blue; sheep; browse; feral dogs; feral; protected area; protected areas; protected; area; areas; 3930 |
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Full Text at URL |
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SLN @ rana @ 363 |
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330 |
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Author |
Ale, S. |
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Title |
Conservation of the snow leopard in Nepal |
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Miscellaneous |
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Nepal; radio-collars; tracking; Annapurna-Conservation-Area; protected-areas; parks; reserves; refuge; conservation; livestock; religion; folklore; blue-sheep; blue; sheep; browse; radio collars; radio; collar; collars; annapurna conservation area; annapurna; area; protected; areas; 4080 |
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Full text available at URL |
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Call Number |
SLN @ rana @ 2 |
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51 |
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Author |
Dhungel, S. |
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Title |
Conservation of the Snow Leopard in Nepal |
Type |
Conference Article |
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Year |
1994 |
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47-50 |
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Nepal; conservation; livestock; herder; herders; poaching; hunting; pelts; fur; coat; skin; distribution; status; behavior; predator; prey; breeding; Himalaya; park; parks; reserve; refuge; protected-area; biology; habitat; scent; spray; tracks; scrapes; home-range; mating; bharal; blue-sheep; goral; tahr; musk-deer; blue; sheep; browse; musk; deer; 3030 |
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Islt |
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Usa |
Editor |
Fox, J.L.; Jezing, D. |
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full text available at URLTitle, Monographic: Seventh International Snow Leopard SymposiumPlace of Meeting: ChinaDate of Copyright: 1994 |
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Call Number |
SLN @ rana @ 306 |
Serial |
241 |
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Author |
Mishra, C.; Van Wieren S.; Ketner, P.; Heitkonig, I.; Prins H. |
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Title |
Competition between domestic livestock and wild bharal Pseudois nayaur in the Indian Trans-Himalaya |
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Journal Article |
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Year |
2004 |
Publication |
Journal of Animal Ecology |
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73 |
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344-354 |
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Keywords |
blue sheep,diet,grazing,rangeland,resource,ungulate,wildlife; 5320 |
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Abstract |
1. The issue of competition between livestock and wild herbivores has remained contentious. We studied the diets and population structures of the mountain ungulate bharal Pseudois nayaur and seven species of livestock to evaluate whether or not they compete for forage. The study was conducted in the high altitude Spiti Valley, Indian Trans-Himalaya.
2. We compared resource (forage) availability and bharal population structures between rangelands differing in livestock density. Forage availability was estimated by clipping the standing graminoid biomass in sample plots. Livestock and bharal population structures were quantified through annual censuses. Seasonal diets of livestock were studied by direct observations, while those of bharal were quantified through feeding
signs on vegetation.
3. We found that livestock grazing causes a significant reduction in the standing crop of forage. Graminoid availability per unit livestock biomass was three times greater in a moderately grazed rangeland compared with an intensively grazed one.
4. There was considerable diet overlap among the herbivore species. In summer, bharal, yak Bos grunniens, horse Equus caballus, cow Bos indicus, and dzomo (yak-cow hybrids) fed predominantly on graminoids, while donkey E. asinus, sheep Ovis aries, and goat Capra hircus, consumed both graminoids and herbs. The summer diet of bharal was a subset of the diets of three livestock species. In winter, depleted graminoid availability caused bharal, yak and horse to consume relatively more herbs, while the remaining livestock species fed predominantly on graminoids. Diet overlap was less in winter but, in both seasons, all important forage species in the bharal diet were consumed
in substantial amounts by one or more species of livestock.
5. Comparison of the population structures of bharal between two rangelands differing in livestock density by
c. 30% yielded evidence of resource competition. In the intensively grazed rangeland, bharal density was 63% lower, and bharal population showed poorer performance (lower young : adult female ratios).
6.Synthesis and applications High diet overlap between livestock and bharal, together with density-dependent forage limitation, results in resource competition and a decline in bharal density. Under the present conditions of high livestock density and supplemental feeding, restricting livestock numbers and creating livestockfree areas are necessary measures for conserving Trans-Himalayan wild herbivores. Mediating competitive effects on bharal through supplemental feeding is not a feasible option. |
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Call Number |
SLN @ rana @ 517 |
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695 |
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Author |
Fox, J.L.; Jackson, R.M. |
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Title |
Blue Sheep and Snow Leopards in Bhutan and Trans-Himalayan Nepal: Recent Status Evaluations and Their Application to Research and Conservation |
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Conference Article |
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2002 |
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blue; sheep; Nepal; snow; leopard; status; Himalaya; Himalayan; Bhutan; population; indices; conservation; monitoring; 4930 |
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Islt |
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abstract onlyTitle, Monographic: Proceedings of the Snow Leopard Survival SummitPlace of Meeting: Seattle,WA |
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SLN @ rana @ 479 |
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311 |
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Author |
Ghoshal, A., Bhatnagar, Y. V., Pandav, B., Sharma, K., Mshra, C. |
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Title |
Assessing changes in distribution of the Endangered snow leopard Panthera uncia and its wild prey over 2 decades in the Indian Himalaya through interviewbased occupancy surveys |
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Journal Article |
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2017 |
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Oryx |
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1-13 |
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Keywords |
Asiatic ibex, blue sheep, carnivore, occupancy, snow leopard, survey, threat, ungulate |
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Abstract |
Understanding species distributions, patterns of
change and threats can form the basis for assessing the conservation
status of elusive species that are difficult to survey.
The snow leopard Panthera uncia is the top predator of the
Central and South Asian mountains. Knowledge of the distribution
and status of this elusive felid and its wild prey is
limited. Using recall-based key-informant interviews we estimated
site use by snow leopards and their primary wild
prey, blue sheep Pseudois nayaur and Asiatic ibex Capra
sibirica, across two time periods (past: �; recent:
�) in the state of Himachal Pradesh, India. We
also conducted a threat assessment for the recent period.
Probability of site use was similar across the two time periods
for snow leopards, blue sheep and ibex, whereas for wild
prey (blue sheep and ibex combined) overall there was an
% contraction. Although our surveys were conducted in
areas within the presumed distribution range of the snow
leopard, we found snow leopards were using only % of
the area (, km). Blue sheep and ibex had distinct distribution
ranges. Snow leopards and their wild prey were not
restricted to protected areas, which encompassed only %
of their distribution within the study area. Migratory livestock
grazing was pervasive across ibex distribution range
and was the most widespread and serious conservation
threat. Depredation by free-ranging dogs, and illegal hunting
and wildlife trade were the other severe threats. Our
results underscore the importance of community-based, landscape-
scale conservation approaches and caution against reliance
on geophysical and opinion-based distribution maps that have been used to estimate national and global snow leopard ranges. |
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SLN @ rakhee @ |
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1463 |
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Thapa, K., Jackson, R., Gurung, L, Acharya, H. B., Gurung, R. K., |
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Title |
Applying the double observer methodology for assessing blue sheep population size in Nar Phu valley, Annapurna Conservation Area, Nepal |
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2021 |
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Wildlife Biology |
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1-11 |
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blue sheep, density estimation, double observer counts, Nepal, Panthera uncia, prey abundance, Pseudois nayaur, snow leopard, viewshed mapping |
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This study was undertaken in spring, 2019 to assess the applicability of the double-observer survey method for estimating blue sheep Pseudois nayaur abundance in Nar-Phu valley of Manang District located in Annapurna Conservation Area of northern Nepal. Since counting large mammals in rugged mountain habitat poses a special challenge, we tested the efficacy of the double observer method for generating robust population estimates for this important protected area. The overall detection probability for observers (O1 and O2) was 0.94 and 0.91 for a total of 106 groups comprised of 2059 individual blue sheep. We estimated the area’s blue sheep population at 2070 (SE ± 168.77; 95% CI 2059–2405) for the 246.2 km2 of sampled habitat. We determined blue sheep to be widely distributed within the study area with a mean density of 8.4 individuals per km2 based on a total study area of 246.2 km2. We discuss demographic population structure and identify limitations when applying the double observer approach, along with recommending viewshed mapping for ensuring more robust density estimates of mountain-dwelling ungulates like blue sheep or ibex that inhabit extremely heterogeneous terrain which strongly influences sighting distances and overall animal detection rates. |
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1666 |
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Author |
Thapa, K., Rayamajhi, S. |
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Title |
Anti-predator strategies of blue sheep (naur) under varied predator compositions: a comparison of snow leopard-inhabited valleys with and without wolves in Nepal |
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2023 |
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Wildlife Research |
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1-9 |
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Annapurna conservation area, antipredator behavior, blue sheep (Naur), predation, prey predator traits, snow leopard, trade-off, wolf. |
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In Nepal, naur are usually the staple wild prey for the snow leopard, a solitary stalker hunter, and in some cases, for the wolf who hunts in a pack. We assumed that naur would adapt their anti-predatory responses to the presence of chasing and ambushing predators in the Manang Valley, where there are snow leopards and wolves, and in the Nar Phu valley, an area where there is only the snow leopard.
Aims. The aim of this study was to determine if there were differences in anti-predator strategies (vigilance, habitat selection and escape terrain) of naur in two valleys over two seasons, spring and autumn.
Methods. In spring 2019, we conducted a reconnaissance survey on the status of the naur and its habitat in the Manang and Nar Phu valleys of the Annapurna Conservation Area, Nepal. In spring and autumn 2020 and 2021, we observed 360 focal naur individuals (180 individuals in each valley), using the vigilance behaviour methodology to examine the behaviour of the naur.
Key results. There was little difference in the size of the naur groups between the Manang and Nar Phu valleys. The naur were twice as vigilant in Manang (15%), where there are snow leopards and wolves, as they were in Nar Phu (9%), with only snow leopards. The distance from the naur to escape cover was significantly shorter in Manang than in Nar Phu valley. Naur used significantly more rolling terrain in Nar Phu than in Manang. Conclusions. The return of wolves to the Manang valley may have resulted in an increase in the level of naur vigilance. Most likely, the wolves in Manang have already had an effect on the female-to-young-ratio, and this effect will possibly have important consequences for the naur population, as well as at the ecosystem level in the future. Other key determining factors, such as the climate crisis and changes in local resources, could have a significant impact on the naur population, indicating the need for more research. Implications. The findings of this study would provide valuable baseline information for the design of a science-based conservation strategy for conservation managers and scientists on naur, snow leopards and wolves. |
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1732 |
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