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Shrestha, R.; Wegge, P.; Koirala, R.A. |
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Title |
Summer diets of wild and domestic ungulates in Nepal Himalaya |
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2005 |
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Journal of Zoology |
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266 |
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111-119 |
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argali; blue sheep; Capra hircus; diet; faecal analysis; fecal analysis; mountain ungulates; Ovis ammon hodgsoni; pseudois nayaur |
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The selection of summer forage by three sympatric ungulates in the Damodar Kunda region of upper Mustang in
north Nepal was studied to assess the extent of food overlap between them. To compare their diets, a microhistological technique of faecal analysis was used, adjusted for inherent biases by comparing it with bite-count data obtained in domestic goats. Tibetan argali Ovis ammon hodgsoni, naur (blue sheep or bharal) Pseudois nayaur and domestic goat Capra hircus consumed mostly forbs, graminoids and browse, respectively. The proportions of food items in their diets were significantly different both at the plant species (P<0.02) and at the forage category level (P<0.001). Except for sharing three common plants (Agrostis sp., Stipa sp. and Potentilla fruticosa), dietary overlap at the species level was quite low. At the forage category level, naur and domestic goat overlapped more than the other ungulate pairs. Although all three species were opportunistic, mixed feeders, argali was a more selective forb specialist grazer than the other two ungulates. Owing to some spatial separation and little dietary overlap, interspecific competition for summer forage was low. If animal densities increase, however, goats are expected to compete more with naur than with argali because of their more similar diets. Owing to differences in forage selection by argali and naur throughout their large geographical ranges, reflecting adaptations to local ecological conditions, inferences regarding forage competition between domestic livestock and these two wild caprins need to be made from local, site-specific studies, rather than from general diet comparisons. |
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The Zoological Society of London |
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London |
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SLN @ rana @ 934 |
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888 |
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Shrestha, A., Thapa, K., Subba, S. A., Dhakal, M., Devkota, B. P., Thapa, G. J., Shrestha, S., Malla, S., Thapa, K. |
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Cats, canines, and coexistence: dietary differentiation between the sympatric Snow Leopard and Grey Wolf in the western landscape of Nepal Himalaya |
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2019 |
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Journal of Threatened Taxa |
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11 |
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7 |
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13815-13821 |
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Canis lupus, dietary pattern, dietary overlap, livestock, Naur, negative interaction, Panthera uncia, scat analysis, sympatry |
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Understanding the dietary habits of sympatric apex carnivores advances our knowledge of ecological processes and aids their conservation. We compared the diets of the sympatric Snow Leopard Panthera uncia and Grey Wolf Canis lupus using standard micro-histological analyses of scats collected from the western complex of Nepal Himalaya. Our study revealed one of the highest recorded contributions of livestock to the diet of top predators (55% for Grey Wolf and 39% for Snow Leopard) and high dietary overlap (0.82) indicating potential exploitative or interference competition. Their diet composition, however, varied significantly based on their consumption of wild and domestic prey. Limitation in data precludes predicting direction and outcome of inter-specific interactions between these predators. Our findings suggest a high rate of negative interaction with humans in the region and plausibly retaliatory killings of these imperilled predators. To ensure the sustained survival of these two apex carnivores, conservation measures should enhance populations of their wild prey species while reducing livestock losses of the local community through preventive and mitigative interventions. |
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SLN @ rakhee @ |
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1485 |
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Shrestha, R.; Wegge, P. |
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Determining the composition of herbivore diets in the Trans-Himalayan rangelands: A comparison of field methods |
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2006 |
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Journal of Rangeland Ecology and Management |
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59 |
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5 |
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512-518 |
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bite count; Bos grunniens; Capra hircus; diet; fecal analysis; feeding site examination; food habits; free ranging; Nepal; Ovis aries; trans-himalayan |
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In late summer, in a semi-arid mountain range in Nepal, we compared 3 field methods for determining the botanical composition of herbivore diets. Data were collected from the same animals belonging to 1 herd of domestic yak (Bos grunniens) and 2 herds of mixed smallstock, consisting of domestic goats (Capra hircus) and sheep (Ovis aries). Bite count, feeding site examination, and microhistological analysis of feces gave different estimates of forage categories and plant species in both animal groups. Because yaks grazed in other vegetation communities when not observed for bite-counts and feeding signs, the results from the latter methods could not be compared directly with that from fecal analysis. In smallstock, feeding site examination gave higher estimates of graminoids and lower estimates of shrubs than the other 2 methods, probably because all feeding signs on shrubs were not detected. Bite-counts and fecal analysis gave comparable results, except that forbs were underestimated by fecal analysis, presumably due to their more complete digestion. Owing to the difficulty in collecting samples that are representative of the entire grazing period and the problem of recording feeding signs correctly, both feeding site examination and bite-counts are unsuitable methods for studying the food habits of free ranging domestic and wild herbivores. Microhistological analysis of feces appears to be the most appropriate method, but correction factors are needed to adjust for differential digestion. The systematic use of photomicrographs improves the speed and accuracy of the fecal analysis. |
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SLN @ rana @ 935 |
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889 |
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De Groot, H.; Van Swieten, P.; Aalberse, R.C. |
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Evidence for a Fel d I-like molecule in the “big cats” (Felidae species) |
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1990 |
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J Allergy Clin Immunol |
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86 |
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1 |
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107-116 |
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Adolescence; Adult; Allergens; immunology; Animal; Antibodies; Monoclonal; diagnostic; use; Antibody; Specificity; Carnivora; Cats; Comparative; study; Cross; Reactions; Hair; Histamine; Release; Human; IgE; analysis; IgG; Middle; Age; Radioallergosorbent; Test; methods; Support; Non-U.S.Gov't; browse; us; government; gov't; 240 |
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In this study, we investigated the cross-reactivity pattern of IgE and IgG4 antibodies to the major feline allergen, Fel d I. We studied the IgE and IgG4 response of 11 cat-allergic patients against Fel d I-like structures in eight members of the Felidae family: ocelot, puma, serval, siberian tiger, lion, jaguar, snow leopard, and caracal. Hair from these “big cats” was collected, extracted, and used in a RAST system and histamine-release test. By means of a RAST-inhibition assay with affinity-purified Fel d I from cat dander, it was established that, in the Felidae species, a Fel d I equivalent is present that reacts with IgE and IgG4 antibodies. We found that all patients had cross-reacting IgE antibodies to seven of the Felidae tested; no IgE antibodies reactive with the caracal were found. Eight of 10 patients with IgG4 antibodies directed to cat dander also had IgG4 antibodies directed to several Felidae species, including the caracal. However, the correlation between the IgE and the IgG4 antibody specificity was low, indicating that, in the case of Fel d I IgE and IgG4, antibodies do not necessarily have the same specificity. |
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0091-6749 |
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Document Type: eng |
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SLN @ rana @ 157 |
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233 |
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Foose, T.J. |
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A Species Survival PLan (SSP) for snow leopard, Panthera uncia: Genetic and demographic analysis and management |
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1982 |
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International Pedigree Book of Snow Leopards, Vol. 3 |
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3 |
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81-102 |
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analysis; demographic; International; management; Panthera-uncia; pedigree; snow leopard; Species-Survival-Plan; species survival plan; Ssp |
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Helsinki Zoo |
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Helsinki |
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Blomqvist, L. |
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SLN @ rana @ 1028 |
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280 |
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Zhirjakov, V.A. |
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On the ecology of the snow leopard in the Zailisky-Alatau (Northern Tien Shan) |
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1990 |
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Int Ped Book of Snow Leopards |
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6 |
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25-30 |
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Tien-Shan; ecology; China; browse; Kazakhstan; Russia; Soviet-Union; distribution; population; prey; behavior; food-habits; scat-analysis; 3240 |
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Full text available at URL |
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SLN @ rana @ 168 |
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1078 |
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Lu, Q., Xiao, L., Cheng, C., Lu, Z., Zhao, J., Yao, M. |
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Snow Leopard Dietary Preferences and Livestock Predation Revealed by Fecal DNA Metabarcoding: No Evidence for Apparent Competition Between Wild and Domestic Prey |
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2021 |
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Frontiers in Ecology and Evolution |
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9 |
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783546 |
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1 - 14 |
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apparent mutualism, blue sheep, feeding habits, molecular dietary analysis, human-carnivore conflict, prey selection, Sanjiangyuan |
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Accurate assessments of the patterns and drivers of livestock depredation by wild carnivores are vital for designing effective mitigation strategies to reduce human-wildlife conflict. Snow leopard’s (Panthera uncia) range extensively overlaps pastoralist land- use and livestock predation there is widely reported, but the ecological determinants of livestock consumption by snow leopards remain obscure. We investigated snow leopard dietary habits at seven sites across the Sanjiangyuan region of the Qinghai– Tibetan Plateau (QTP), an area central to the species’ global range. Snow leopard abundance, wild prey composition, and livestock density varied among those sites, thus allowing us to test the effects of various factors on snow leopard diet and livestock predation. Using DNA metabarcoding, we obtained highly resolved dietary data from 351 genetically verified snow leopard fecal samples. We then analyzed the prey preferences of snow leopards and examined ecological factors related to their livestock consumption. Across the sites, snow leopard prey was composed mainly of wild ungulates (mean = 81.5% of dietary sequences), particularly bharal (Pseudois nayaur), and supplemented with livestock (7.62%) and smaller mammals (marmots, pikas, mice; 10.7%). Snow leopards showed a strong preference for bharal, relative to livestock, based on their densities. Interestingly, both proportional and total livestock consumption by snow leopards increased linearly with local livestock biomass, but not with livestock density. That, together with a slight negative relationship with bharal density, supports apparent facilitation between wild and domestic prey. We also found a significant positive correlation between population densities of snow leopard and bharal, yet those densities showed slight negative relationships with livestock density. Our results highlight the importance of sufficient wild ungulate abundance to the conservation of viable snow leopard populations. Additionally, livestock protection is critically needed to reduce losses to snow leopard depredation, especially where local livestock abundances are high. |
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1675 |
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Thapa, K., Schmitt, N., Pradhan, N. M. B., Acharya, H. R., Rayamajhi, S. |
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No silver bullet? Snow leopard prey selection in Mt. Kangchenjunga, Nepal |
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2021 |
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Ecology and Evolution |
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1-13 |
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blue sheep, common leopard, fecal, genetic analysis, snow leopard, wolf, yak |
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In this study, we investigated the impact of domestic and wild prey availability on snow leopard prey preference in the Kangchenjunga Conservation Area of eastern Nepal-a region where small domestic livestock are absent and small wild ungulate prey are present. We took a comprehensive approach that combined fecal genetic sampling, macro- and microscopic analyses of snow leopard diets, and direct observation of blue sheep and livestock in the KCA. Out of the collected 88 putative snow leopard scat samples from 140 transects (290km) in 27 (4x4km2) sampling grid cells, 73 (83%) were confirmed to be from snow leopard. The genetic analysis accounted for 19 individual snow leopards (10 males and 9 females), with a mean population size estimate of 24 (95% CI: 19-29) and an average density of 3.9 snow leopards/100km2 within 609km2. The total available prey biomass of blue sheep and yak was estimated at 355,236 kg (505 kg yak/km2 and 78kg blue sheep/km2). From the available prey biomass, we estimated snow leopards consumed 7% annually, which comprised wild prey (49%), domestic livestock (45%). and 6% unidentified items. the estimated 47,736 kg blue sheep biomass gives a snow leopard-to-blue sheep ratio of 1:59 on a weight basis. The high preference of snow leopard to domestic livestock appears to be influenced by a much smaller available biomass of wild prey then in other regions of Nepal (e.g., 78kg/km2 in the KCA compared with a range of 200-300 kg/km2 in other regions of Nepal?. Along with livestock insurance scheme improvement, there needs to be a focus on improved livestock guarding, predator-proof corrals as well as engaging and educating local people to be citizen scientists on the importance of snow leopard conservation, involving them in long-term monitoring programs and promotion of ecotourism. |
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Jackson, R. |
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Linking Snow Leopard Conservation and People-Wildlife Conflict Resolution, Summary of a multi-country project aimed at developing grass-roots measures to protect the endangered snow leopard from herder retribution |
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2000 |
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Cat News |
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33 |
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12-15 |
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livestock-depredation; livestock; pastoralists; herders; Pakistan; Nepal; Tibet; Mongolia; India; protected-areas; parks; reserves; refuge; snow-leopard-incentive-program; economics; tourism; pens; corrals; enclosures; trapping; poisoning; killing; cubs; dens; retribution; behavior; predator; prey; Qomolangma; habitat; feces; fecal-analysis; compensation; Dogs; guard-dogs; religion; conservation; browse; depredation; snow; leopard; incentive; program; fecal; analysis; guard; Dog; 4000 |
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SLN @ rana @ 375 |
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464 |
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Koshkarev, E. |
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Snow leopard along the border of Russia and Mongolia |
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1998 |
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Cat News |
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28 |
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12-14 |
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behavior; census; survey methods; desert-habitat; distribution; ecosystems; endangered; threatened species; home-range; territory; mammals; montane; Russia; Mongolia; scat-analysis; tracks; tracking; status; Hovsogul; Sayan; siberia; Hovsogol; browse; survey; methods; desert; habitat; threatened; species; home; range; scat; analysis; 550 |
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The author discusses the distribution of snow leopards along the border of Russia and Mongolia. The range extension of the leopard indicates their ability to cross desert areas that separate mountain habitats.habitat; range extension; scat analysis; techniques; tracks/tracking | snow leopard |
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Full Text at URL: Inst. Biol., Irkutsk Univ., Russia , data base: Wildlife Review AbstractsDocument Type: English |
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