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Lu, Q., Xiao, L., Cheng, C., Lu, Z., Zhao, J., Yao, M. |
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Title |
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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Volume ![sorted by Volume (numeric) field, descending order (down)](img/sort_desc.gif) |
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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SLN @ rakhee @ |
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1675 |
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Author |
Ale, S.; Brown, J. |
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Title |
The contingencies of group size and vigilance |
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Miscellaneous |
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2007 |
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Evolutionary Ecology Research, |
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Volume ![sorted by Volume (numeric) field, descending order (down)](img/sort_desc.gif) |
9 |
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1263-1276 |
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attraction effect,contingency,dilution effect,fitness,group-size effect,many-eyes effect,predation risk,vigilance behaviour; predation; decline; potential; predators; predator; feeding; Animals; Animal; use; food; effects; Relationship; behaviour; methods; game; Interactions; interaction; factor; value; Energy |
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Background: Predation risk declines non-linearly with one's own vigilance and the vigilance of others in the group (the 'many-eyes' effect). Furthermore, as group size increases, the individual's risk of predation may decline through dilution with more potential victims, but may increase if larger groups attract more predators. These are known, respectively, as the dilution effect and the attraction effect.
Assumptions: Feeding animals use vigilance to trade-off food and safety. Net feeding rate declines linearly with vigilance.
Question: How do the many-eyes, dilution, and attraction effects interact to influence the relationship between group size and vigilance behaviour?
Mathematical methods: We use game theory and the fitness-generating function to determine the ESS level of vigilance of an individual within a group.
Predictions: Vigilance decreases with group size as a consequence of the many-eyes and dilution effects but increases with group size as a consequence of the attraction effect, when they act independent of each other. Their synergetic effects on vigilance depend upon the relative strengths of each and their interactions. Regardless, the influence of other factors on vigilance – such as encounter rate with predators, predator lethality, marginal value of energy, and value of vigilance – decline with group size. |
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English |
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SLN @ rana @ 886 |
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53 |
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Author |
Anandakrishnan, M.B. |
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The snow leopard: Elusive and endangered |
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1998 |
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The Environmental Magazine |
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9 |
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5 |
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18-19 |
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Himalayan; poaching; tourism; development; Nepal; asia; snow-leopard; snow leopard; browse; 1070 |
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The snow leopard has never been common, but there may be fewer than 4,000 left in its Himalayan habitat, and poaching and tourism-related development in the region could drive its numbers down further. |
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Copyright Earth Action Network, Inc. Sep/Oct 1998
Document Type: English |
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SLN @ rana @ 352 |
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71 |
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Author |
Blomqvist, L. |
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Title |
The status of the snow leopard in the EEP – program in 2007 |
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2008 |
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International Pedigree Book of Snow Leopards |
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Volume ![sorted by Volume (numeric) field, descending order (down)](img/sort_desc.gif) |
9 |
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4 |
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20-24 |
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status; snow; snow leopard; snow-leopard; leopard; program; International; pedigree; snow leopards; snow-leopards; leopards |
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Helsinki Zoo |
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Helsinki |
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Blomqvist, L. |
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SLN @ rana @ 1007 |
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174 |
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Fox, J.L. |
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Indo-US Snow Leopard Project, Progress Report on Field Work as of December 30, 1985 |
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1986 |
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India; reserach; field-surveys; surveys; Kargil; Hemis; browse; 4820 |
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Islt |
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Seattle |
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Full Text at URLJournal Title: Snow Line |
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SLN @ rana @ 469 |
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290 |
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Author |
Izold, J. |
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Title |
Snow Leopard Enterprise: a conservation project that saves an endangered species and supports needy families |
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2008 |
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Anim.Keepers' Forum |
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9 |
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5 |
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359-364 |
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snow; snow leopard; snow-leopard; leopard; conservation; project; endangered; endangered species; endangered-species; species; Support; union; uncia; Uncia uncia; Uncia-uncia; snow leopards; snow-leopards; leopards; wild; Iucn; Animals; Animal; tiger; extinction; former; zoo; Freeman; trust; work; cat; community-based; projects; Sle; impact; poverty; community; Mongolia; Kyrgyz; Kyrgyz-Republic; republic; Pakistan; 300; economic; incentives; prey; sustainable; herding; number; territory; income; training; products; wool; local; local people; people; zoos; Woodland-Park-Zoo; park; zoological; ecosystem |
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The World Conservation Union listed the snow leopard (Uncia uncia) as endangered in 1974. With as few as 3,500 snow leopards left in the wild, scientists placed the snow leopard on the IUCN Red List of critically endangered species shared by animals such as the giant panda and tiger. In an effort to save the snow leopard from extinction, former zoo employee Helen Freeman founded the Snow Leopard Trust in 1981. The Snow Leopard Trust works to save this elusive cat by incorporating community-based conservation projects. One of these project Leopard Enterprise (SLE), impacts poverty stricken communities in Mongolia, Kyrgyz Republic, and Pakistan. It assists over 300 families in its conservation efforts. The economic incentives provided via SLE have led participating communities not to harm the snow leopard or its prey, and to practice sustainable herding. Since the project began in 1997, the number of snow leopards harmed around the communities' territories has dropped to near zero. Additionally, the annual income of families that utilize the benefits of SLE has increased by 25% to 40%. SLE creates this economic benefit by providing the training and equipment necessary to make desirable products from the wool of herd animals. Snow Leopard Trust then purchases these handicraft items from the local people and them globally. Zoos can expand their conservation efforts by simply offering these items in their gift shops. Woodland Park Zoo (WPZ) was the first zoological institution to sell the products, and WPZ continues to generate revenue from them. SLE is a golden opportunity for zoos to increase revenue, assist poor families, and save an endangered species and fragile ecosystem. |
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American Association of Zoo Keepers |
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Topeka, Kansas |
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Author from Cleveland Metroparks Zoo, Cleveland, OH, USA |
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SLN @ rana @ 976 |
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425 |
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Author |
Jackson, R.; Wangchuk, R. |
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Title |
A Community-Based Approach to Mitigating Livestock Depredation by Snow Leopards |
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2004 |
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Human Dimensions of Wildlife |
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9 |
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307-315 |
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snow leopard,depredation,human-wildlife conflict,participatory planning,India; livestock; livestock depredation; livestock-depredation; depredation; endangered; snow; snow leopard; snow-leopard; leopard; panthera; panthera uncia; Panthera-uncia; uncia; Himalayan; protected; protected areas; protected area; protected-areas; protected-area; areas; area; attack; sheep; goats; goat; local; villagers; community-based; conservation; Hemis; national; national park; National-park; park; India; conflict; pens; income; participatory; strategy; planning; sense; project; snow leopards; snow-leopards; leopards; protection; retaliatory; poaching |
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Livestock depredation by the endangered snow leopard (Panthera uncia) is an increasingly contentious issue in Himalayan villages, especially in or near protected areas. Mass attacks in which as many as 100 sheep and goats are killed in a single incident inevitably result in retaliation by local villagers. This article describes a community-based conservation initiative to address this problem in Hemis National Park, India. Human-wildlife conflict is alleviated by predator-proofing villagers' nighttime livestock pens and by enhancing household incomes in environmentally sensitive and culturally compatible ways. The authors have found that the highly participatory strategy described here (Appreciative Participatory Planning and Action-APPA) leads to a sense of project ownership by local stakeholders, communal empowerment, self-reliance, and willingness to co-exist with
snow leopards. The most significant conservation outcome of this process is the protection from retaliatory poaching of up to five snow leopards for every village's livestock pens that are made predator-proof. |
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SLN @ rana @ 890 |
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471 |
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Nolte-Wilson, B. |
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Soveriegn of menaced realm: the snow leopard |
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1990 |
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Natura WWF-Pakistan Newsletter |
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9 |
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2 |
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3-9 |
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Pakistan; browse; behavior; Chitrol-Gol; baiting; spays; pug; scrapes; habitat; 3130 |
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Full Text at URL |
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SLN @ rana @ 171 |
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723 |
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Roth, T.L.; Armstrong, D.L.; Barrie, M.T.; Wildt, D.E. |
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Seasonal effects on ovarian responsiveness to exogenous gonadotrophins and successful artificial insemination in the snow leopard (Uncia uncia) |
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1997 |
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Reprod Fertil Dev |
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9 |
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3 |
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285-295 |
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Animal; Carnivora; anatomy; histology; Blood; physiology; Estradiol; Female; Gonadotropins; administration; dosage; pharmacology; Chorionic; Equine; Human; Insemination; artificial; methods; veterinary; Laparoscopy; Male; Oocytes; cytology; Ovary; drug; effects; Ovulation; Induction; Pregnancy; Progesterone; Seasons; Support; Non-U.S.Gov't; browse; non; us; gov't; government; 400 |
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Ovaries of the seasonally-breeding snow leopard (Uncia uncia) were examined to determine whether they were responsive to exogenous gonadotrophins throughout the year. The potential of laparoscopic artificial insemination (AI) also was assessed for producing offspring. During the non-breeding, pre-breeding, breeding and post-breeding seasons, females (n = 20) were treated with a standardized, dual- hormone regimen given intramuscularly (600 I.U. of equine chorionic gonadotrophin followed 80-84 h later with 300 I.U. of human chorionic gonadotrophin (hCG)). Laparoscopy was performed 45-50 h after administration of hCG, and all ovarian structures were described. Females with fresh corpora lutea (CL) were inseminated, and anovulatory females were subjected to follicular aspiration to examine oocyte quality. Snow leopards responded to exogenous gonadotrophins throughout the year. Mean number of total ovarian structures (distinct follicles mature in appearance plus CL) did not differ (P > or = 0.05) with season, but the proportion of CL: total ovarian structures was greater (P < 0.01) for the breeding season compared with all other seasons. The proportion of females ovulating was greater (P < 0.05) during the breeding and post-breeding seasons than during the pre-breeding and non- breeding seasons respectively. No Grade-1 quality oocytes were recovered from follicles of anovulatory females. Serum concentrations of oestradiol-17 beta appeared elevated in all females, and neither oestradiol-17 beta concentrations nor progesterone concentrations differed (P > or = 0.05) among seasons. Of 15 females artificially inseminated, the only one that was inseminated in the non-breeding season became pregnant and delivered a single cub. This is the first successful pregnancy resulting from AI in this endangered species. |
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Document Type: eng |
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SLN @ rana @ 325 |
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830 |
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Blomqvist, L. |
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Captive status of the snow leopard in Europe 2001 |
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2003 |
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International Pedigree Book of Snow Leopards |
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Volume ![sorted by Volume (numeric) field, descending order (down)](img/sort_desc.gif) |
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captive; status; snow; snow leopard; snow-leopard; leopard |
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SLN @ rana @ 918 |
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