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Shrestha, B. |
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Title  |
Prey Abundance and Prey Selection by Snow Leopard (uncia uncia) in the Sagarmatha (Mt. Everest) National Park, Nepal |
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2008 |
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1-35 |
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project; snow; snow leopard; snow-leopard; leopard; network; conservation; program; prey; abundance; selection; uncia; Uncia uncia; Uncia-uncia; Sagarmatha; national; national park; National-park; park; Nepal; resource; predators; predator; ecological; impact; region; community; structure; number; research; population; status; density; densities; wild; prey species; prey-species; species; Himalayan; tahr; musk; musk-deer; deer; game; birds; diet; livestock; livestock depredation; livestock-depredation; depredation; awareness; co-existence; ungulates; ungulate; Human; using; areas; area; monitoring; transect; Hair; identification; scat; attack; patterns; sighting; 1760; populations; birth; Male; Female; young; domestic; domestic livestock; 120; scats; yak; Dog; pika; wildlife; Seasons; winter; horse; study; cover; land; predation; Pressure; development; strategy; threatened; threatened species; threatened-species; conflicts; conflict; people; control; husbandry; compensation; reintroduction; blue; blue sheep; blue-sheep; sheep; free ranging |
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Predators have significant ecological impacts on the region's prey-predator dynamic and community structure through their numbers and prey selection. During April-December 2007, I conducted a research in Sagarmatha (Mt. Everest) National Park (SNP) to: i) explore population status and density of wild prey species; Himalayan tahr, musk deer and game birds, ii) investigate diet of the snow leopard and to estimate prey selection by snow leopard, iii) identify the pattern of livestock depredation by snow leopard, its mitigation, and raise awareness through outreach program, and identify the challenge and opportunities on conservation snow leopard and its co-existence with wild ungulates and the human using the areas of the SNP. Methodology of my research included vantage points and regular monitoring from trails for Himalayan tahr, fixed line transect with belt drive method for musk deer and game birds, and microscopic hair identification in snow leopard's scat to investigate diet of snow leopard and to estimate prey selection. Based on available evidence and witness accounts of snow leopard attack on livestock, the patterns of livestock depredation were assessed. I obtained 201 sighting of Himalayan tahr (1760 individuals) and estimated 293 populations in post-parturient period (April-June), 394 in birth period (July -October) and 195 November- December) in rutting period. In average, ratio of male to females was ranged from 0.34 to 0.79 and ratio of kid to female was 0.21-0.35, and yearling to kid was 0.21- 0.47. The encounter rate for musk deer was 1.06 and density was 17.28/km2. For Himalayan monal, the encounter rate was 2.14 and density was 35.66/km2. I obtained 12 sighting of snow cock comprising 69 individual in Gokyo. The ratio of male to female was 1.18 and young to female was 2.18. Twelve species (8 species of wild and 4 species of domestic livestock) were identified in the 120 snow leopard scats examined. In average, snow leopard predated most frequently on Himalayan tahr and it was detected in 26.5% relative frequency of occurrence while occurred in 36.66% of all scats, then it was followed by musk deer (19.87%), yak (12.65%), cow (12.04%), dog (10.24%), unidentified mammal (3.61%), woolly hare (3.01%), rat sp. (2.4%), unidentified bird sp. (1.8%), pika (1.2%), and shrew (0.6%) (Table 5.8 ). Wild species were present in 58.99% of scats whereas domestic livestock with dog were present in 40.95% of scats. Snow leopard predated most frequently on wildlife species in three seasons; spring (61.62%), autumn (61.11%) and winter (65.51%), and most frequently on domestic species including dog in summer season (54.54%). In term of relative biomass consumed, in average, Himalayan tahr was the most important prey species contributed 26.27% of the biomass consumed. This was followed by yak (22.13%), cow (21.06%), musk deer (11.32%), horse (10.53%), wooly hare (1.09%), rat (0.29%), pika (0.14%) and shrew (0.07%). In average, domestic livestock including dog were contributed more biomass in the diet of snow leopard comprising 60.8% of the biomass consumed whilst the wild life species comprising 39.19%. The annual prey consumption by a snow leopard (based on 2 kg/day) was estimated to be three Himalayan tahr, seven musk deer, five wooly hare, four rat sp., two pika, one shrew and four livestock. In the present study, the highest frequency of attack was found during April to June and lowest to July to November. The day of rainy and cloudy was the more vulnerable to livestock depredation. Snow leopard attacks occurred were the highest at near escape cover such as shrub land and cliff. Both predation pressure on tahr and that on livestock suggest that the development of effective conservation strategies for two threatened species (predator and prey) depends on resolving conflicts between people and predators. Recently, direct control of free – ranging livestock, good husbandry and compensation to shepherds may reduce snow leopard – human conflict. In long term solution, the reintroduction of blue sheep at the higher altitudes could also “buffer” predation on livestock. |
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Project funded by Snow Leopard Network's Snow Leopard Conservation Grant Program. Forum of Natural Resource Managers, Nepal. |
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SLN @ rana @ 1076 |
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887 |
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Ale, S.B., Brown, J.S. |
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Title |
Prey behavior leads to predator: a case study of the Himalayan tahr and the snow leopard in Sagarmatha (Mt. Everest) National Park, Nepal |
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Journal Article |
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2009 |
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Israel Journal of Ecology & Evolution |
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55 |
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4 |
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315-327 |
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vigilance, fear, behavioral indicator, predator, prey, snow leopard, Himalayan tahr, Mount Everest |
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Rare, elusive predators offer few sightings, hindering research with small sample sizes and lack of experimentation. While predators may be elusive, their prey are more readily observed. Prey respond to the presence of a predator, and these fear responses may have population- and community-level consequences. Anti-predator behaviors, such as vigilance, allow us to sidestep the difficulty of direct field studies of large predators by studying them indirectly. Here we used a behavioral indicator, the vigilance behavior of the Himalayan tahr, the snow leopard’s main local prey, to reveal the distribution and habitat use of snow leopards in the Mt. Everest region of Nepal. We combined techniques of conventional field biology with concepts of foraging theory to study prey behavior in order to obtain insights into the predator’s ecology. The Himalayan tahr’s vigilance behavior correlates with the distribution of snow leopard signs. Tahr actually led us to six sightings of snow leopards. We conclude that behavioral indicators provided by prey offer a valuable tool for studying and monitoring stealthy and rare carnivores. |
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Science from Israel, a division of LPPLtd. |
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Israel |
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SLN @ rana @ |
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1109 |
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Freeman, H.; Jackson, R.; Hillard, R.; Hunter, D.O. |
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Project Snow Leopard: a multinational program spearheaded by the International Snow Leopard Trust |
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1994 |
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241-245 |
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Project-snow-leopard; biodiversity; conservation; protected-areas; parks; park; refuge; reserve; habitat; status; predator; prey; livestock; herders; poaching; hunting; skins; pelts; coats; fur; bones; medicine; management; livestock-depredation; trade; corridors; trans-boundry; project; protected-area; protected; area; areas; livestock depredation; depredation; browse; 2780 |
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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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SLN @ rana @ 221 |
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324 |
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Green, M.J.B. |
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Title |
Protecting the mountains of Central Asia and their snow leopard populations |
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1994 |
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223-239 |
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asia; conservation; distribution; status; habitat; predator; prey; herders; herder; livestock; management; protected- area; parks; park; reserve; refuge; Afghanistan; Bhutan; China; gansu; Qinghai; Sichuan; India; Sikkim; Nepal; Pakistan; Ussr; Russia; Soviet-Union; Kazakhstan; Kirghizia; Tajikistan; Uzbekistan; protected-area; kazakstan; Kirgizia; browse; protected; area; soviet; union; 2060 |
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International Snow Leopard Trust and Chicago Zoological Society |
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J.L.Fox; Du Jizeng |
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Full Text at URLTitle, Monographic: Proceedings of the Seventh International Snow Leopard Symposium. Place of Meeting: Xining, Qinghai, ChinaDate of Copyright: 1994 |
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SLN @ rana @ 218 |
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350 |
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Ahmad, A. |
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Title |
Protection of Snow Leopards through Grazier Communities:Some Examples from WWF-Pakistan's Projects in the Northern Areas |
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1994 |
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265-272 |
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conservation; Pakistan; Wwf; world-wildlife-fund; livestock; herders; herder; status; parks; park; reserve; refuge; protected-area; Dir; chitral; predator; prey; grazier; pelt; fur; coat; skin; poaching; Khunjerab; Marco-Polo-sheep; ibex; markhor; hunting; browse; protected; area; sheep; Marco-Polo; 2040 |
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Snow leopards occur near the snow line in northern Pakistan in the districts of Swat, Dir and Chitral of the Northwest Frontier Province (NWFP), Muzaffarabad district in Azad Kashmir and Gilgit and Baltistan districts in the Northern Areas. Although a number of protected areas are present in the form of national parks, wildlife sanctuaries and game reserves (Table 1) where legal protection is available to all wildlife species, including snow leopards, the status of this endangered species is not improving satisfactorily. The reasons are many and range from direct persecution by livestock owners to the less than strict management of protected areas.
Because of remote and inaccessible locations and lack of proper communication with local communities, government officials and nongovernmental organizations (NGOs) concerned with conservation find it difficult to obtain statistics on mortality of snow leopards. However, the killing of snow leopards is not uncommon. Because of the close and long-term association between local villagers and snow leopards, it is only through the support and cooperation of these peoples that protection of this endangered species can be assured against most of the existing threats. The effects of such cooperation has been clearly shown through some of the conservation projects of World Wildlife Fund (WWF) – Pakistan. Details of such projects and certain lessons that can be learned from these and similar projects are discussed in this paper. |
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International Snow Leopard Trust |
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Usa |
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J.L.Fox; D.Jizeng |
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Full text available at URLTitle, Monographic: Proceedings of the Seventh International Snow Leopard SymposiumPlace of Meeting: ChinaDate of Copyright: 1994 |
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SLN @ rana @ 209 |
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40 |
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Bhatnagar, Y.V. |
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Ranging and Habitat Use by Himalayan Ibex (Capra ibex sibirica) in Pin Valley National Park |
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1997 |
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ibex; India; predator; prey; potected-area; parks; reserves; Pin-valley; browse; protected; area; 1850 |
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Ph.D. thesis |
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Saurashtra University |
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Place of Publication: Rajkot, India |
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SLN @ rana @ 301 |
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135 |
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Ale, S.; Whelan, C. |
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Reappraisal of the role of big, fierce predators |
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Miscellaneous |
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2008 |
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Biodiversity Conservation |
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685-690 |
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Biodiversity ú Conservation ú Costs of predation ú Indirect effects ú Non-lethal effects ú Predators ú Top-down control; big; predators; predator |
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The suggestion in the early 20th century that top predators were a necessary component of ecosystems because they hold herbivore populations in check and promote biodiversity was at Wrst accepted and then largely rejected. With the advent of Evolutionary Ecology and a more full appreciation of direct and indirect effects of top predators, this role of top predators is again gaining acceptance. The previous views were predicated upon lethal effects of predators but largely overlooked their non-lethal effects. We suggest that
conceptual advances coupled with an increased use of experiments have convincingly demonstrated that prey experience costs that transcend the obvious cost of death. Prey species use adaptive behaviours to avoid predators, and these behaviours are not cost-free. With predation risk, prey species greatly restrict their use of available habitats and consumption of available food resources. Effects of top predators consequently cascade down to the trophic levels below them. Top predators, the biggies, are thus both the targets of and the means for conservation at the landscape scale. |
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SLN @ rana @ 885 |
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52 |
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Ferretti, F., Lovari, S., Minder, I., Pellizzi, B. |
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Recovery of the snow leopard in Sagarmatha (Mt.Everest) National Park: effects on main prey |
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2014 |
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European Journal of Wildlife Research |
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60 |
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559-562 |
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Predator–prey relationships . Small populations . Snow leopard . Himalayan tahr |
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Consequences of predation may be particularly
heavy on small populations of herbivores, especially if they
are threatened with extinction. Over the 2006–2010 period, we
documented the effects of the spontaneous return of the endangered
snow leopard on the population of the vulnerable
Himalayan tahr. The study area was an area of central
Himalaya where this cat disappeared c. 40 years before, because
of persecution by man. Snow leopards occurred mainly
in areas close to the core area of tahr distribution. Tahr was the
staple (56.3 %) of snow leopards. After the arrival of this cat,
tahr decreased by more than 2/3 from 2003 to 2010 (mainly
through predation on kids). Subsequently, the density of snow
leopards decreased by 60%from2007 to 2010. The main prey
of snow leopards in Asia (bharal, marmots) were absent in our
study area, forcing snow leopards to specialize on tahr. The
restoration of a complete prey spectrum should be favoured
through reintroductions, to conserve large carnivores and to
reduce exploitation of small populations of herbivores, especially
if threatened. |
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SLN @ rakhee @ |
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1408 |
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Jackson, R.M.; Ahlborn, G.; Gurung, M.; Ale, S. |
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Reducing livestock depredation losses in the Nepalese Himalaya |
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1996 |
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Proc.Vertebr.Pest Conf |
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17 |
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241-247 |
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damage; damage-by-wildlife; endangered; threatened species; livestock; mammals; management; predator-control; public-relations; wildlife; livestock-relationships; Nepal; asia; herders; conservation; Manang; Khangshar; depredation; conflict; predator; prey; browse; public; threatened; species; control; Relations; 700 |
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The authors investigated livestock depredation patterns of snow leopards on the northern slopes of the Himalayans near the villages of Manang and Khangshar, Nepal. Information is discussed on the relationships among livestock loss, endangered species management, public relations/conservation issues, and cooperative efforts among institutions involved in the decision making process. A plan is devised for alleviating livestock loss and protecting endangered species in the area. pcp |
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Full Text at URL: ADDRESS: Mountain Inst., Main & Dogwood St., Franklin, WV 26807//“Proceedings Seventeenth Vertebrate Pest Conference-March 5-7, 1996, Rohnert Park, California”; Timm, Robert M.; Crabb, A. Charles, editorsDocument Type: English |
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SLN @ rana @ 271 |
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480 |
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Fedosenko A.K. |
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Relationship between the predators and wild ungulates in North Tien Shan and Jungar Alatau |
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1979 |
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72-74 |
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Kazakhstan; predators-preys relationship; snow leopard; preys.; 6670; Russian |
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Ibex is a main prey for snow leopards. The role of marmots and snow cocks in snow leopard's consumption is negligent. It can prey on morals in the fir-wood. A case of snow leopard's attacking a dog is also known. |
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Full text available in RussianJournal Title: Ecologic fundamentals of protection and sustainable use of predatory mammals. |
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SLN @ rana @ 645 |
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270 |
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