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| Author | Ale, S., Shrestha, B., and Jackson, R. | ||||
| Title | On the status of Snow Leopard Panthera Uncia (Schreber 1775) in Annapurna, Nepal | Type | Journal Article | ||
| Year | 2014 | Publication | Journal of Threatened Taxa | Abbreviated Journal | |
| Volume | Issue | 6(3) | Pages  |
5534-5543 | |
| Keywords | Annapurna, Blue Sheep, Buddhism, camera-trapping, Himalayas, Mustang, sign-survey, Snow Leopard. | ||||
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| Notes | Approved | no | |||
| Call Number | SLN @ rakhee @ | Serial | 1407 | ||
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| Author | Ale, S.; Brown, J. | ||||
| Title | The contingencies of group size and vigilance | Type | Miscellaneous | ||
| Year | 2007 | Publication | Evolutionary Ecology Research, | Abbreviated Journal | |
| Volume | 9 | Issue | Pages |
1263-1276 | |
| Keywords | 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 | ||||
| Abstract | 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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| Language | English | Summary Language | Original Title | ||
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| Notes | Approved | no | |||
| Call Number | SLN @ rana @ 886 | Serial | 53 | ||
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| Author | Ale, S.; Whelan, C. | ||||
| Title | Reappraisal of the role of big, fierce predators | Type | Miscellaneous | ||
| Year | 2008 | Publication | Biodiversity Conservation | Abbreviated Journal | |
| Volume | Issue | Pages |
685-690 | ||
| Keywords | Biodiversity ú Conservation ú Costs of predation ú Indirect effects ú Non-lethal effects ú Predators ú Top-down control; big; predators; predator | ||||
| Abstract | 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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| Notes | Approved | no | |||
| Call Number | SLN @ rana @ 885 | Serial | 52 | ||
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| Author | Wolf, M.; Ale, S. | ||||
| Title | Signs at the Top: Habitat Features Influencing Snow Leopard Uncia Uncia Activity in Sagarmatha National Park, Nepal | Type | Journal Article | ||
| Year | 2009 | Publication | Journal of Mammalogy | Abbreviated Journal | |
| Volume | 90 | Issue | 3 | Pages |
604-611 |
| Keywords | activity patterns,human activity,Nepal,predator-prey,sign data,Uncia uncia | ||||
| Abstract | We used logistic regression to examine factors that affected the spatial distribution of sign (scrapes, feces, footprints, spray or scent marks, and rubbing sites) in a newly reestablished population of snow leopards (Uncia uncia) in Sagarmatha (Mount Everest) National Park, Nepal. Our results indicate that terrain and human activity were the most important factors determining the spatial distribution of leopard activity, whereas presence of their major prey species (Himalayan tahr [Hemitragus jemlahicus]) had only a moderate effect. This suggests that localities at which these animals are active represent a trade-off between suitable habitat and avoidance of potential risk from anthropogenic origins. However, the influence of prey presence was likely underestimated because of the methodology used, and likely weighed in the trade-off as well. | ||||
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| Notes | Department of Biological Sciences (M/C 066), University of Illinois at Chicago, 845 West Taylor Street, 3352 SES, Chicago, IL 60607-7060, USA | Approved | no | ||
| Call Number | SLN @ rana @ 1026 | Serial | 1027 | ||
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| Author | Lovari, S., Boesi, R., Minder, I., Mucci, N., Randi, E., Dematteis, A., and Ale, S. B. | ||||
| Title | Restoring a keystone predator may endanger a prey species in a human-altered ecosystem: the return of the snow leopard to Sagarmatha National Park | Type | Journal Article | ||
| Year | 2009 | Publication | Animal Conservation | Abbreviated Journal | |
| Volume | 12 | Issue | Pages |
559-570 | |
| Keywords | conservation, food habits, genetics, Hemitragus jemlahicus, Himalayan tahr, management, microsatellite, predation, presence, scat, scat analysis, snow leopard, Uncia uncia | ||||
| Abstract | Twenty-five years ago, the snow leopard Uncia uncia, an endangered large cat, was eliminated from what is now Sagarmatha National Park (SNP). Heavy hunting pressure depleted that area of most medium-large mammals, before it became a park. After three decades of protection, the cessation of hunting and the recovery of wild ungulate populations, snow leopards have recently returned (four individuals). We have documented the effects of the return of the snow leopard on the population of its main wild prey, the Himalayan tahr Hemitragus jemlahicus, a 'near-threatened' caprin. Signs of snow leopard presence were recorded and scats were collected along a fixed trail (130 km) to assess the presence and food habits of the snow leopard in the Park, from 2004 to 2006. Himalayan tahr, the staple of the diet, had a relative occurrence of 48% in summer and 37% in autumn, compared with the next most frequent prey, musk deer Moschus chrysogaster (summer: 20%; autumn: 15%) and cattle (summer: 15%; autumn: 27%). In early summer, the birth rate of tahr (young-to-female ratio: 0.8-0.9) was high. The decrease of this ratio to 0.1-0.2 in autumn implied that summer predation concentrated on young tahr, eventually altering the population by removing the kid cohort. Small populations of wild Caprinae, for example the Himalayan tahr population in SNP, are sensitive to stochastic predation events and may be led to almost local extinction. If predation on livestock keeps growing, together with the decrease of Himalayan tahr, retaliatory killing of snow leopards by local people may be expected, and the snow leopard could again be at risk of local extinction. Restoration of biodiversity through the return of a large predator has to be monitored carefully, especially in areas affected by humans, where the lack of important environmental components, for example key prey species, may make the return of a predator a challenging event. | ||||
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| Notes | Approved | no | |||
| Call Number | SLN @ rana @ | Serial | 1122 | ||
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| Author | Ale, S.B., Brown, J.S. | ||||
| Title | Prey behavior leads to predator: a case study of the Himalayan tahr and the snow leopard in Sagarmatha (Mt. Everest) National Park, Nepal | Type | Journal Article | ||
| Year | 2009 | Publication | Israel Journal of Ecology & Evolution | Abbreviated Journal | |
| Volume | 55 | Issue | 4 | Pages |
315-327 |
| Keywords | vigilance, fear, behavioral indicator, predator, prey, snow leopard, Himalayan tahr, Mount Everest | ||||
| Abstract | 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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| Publisher | Science from Israel, a division of LPPLtd. | Place of Publication | Israel | Editor | |
| Language | English | Summary Language | English | Original Title | |
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| Notes | Approved | no | |||
| Call Number | SLN @ rana @ | Serial | 1109 | ||
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| Author | Jackson, R.M.; Ahlborn, G.; Gurung, M.; Ale, S. | ||||
| Title | Reducing livestock depredation losses in the Nepalese Himalaya | Type | Journal Article | ||
| Year | 1996 | Publication | Proc.Vertebr.Pest Conf | Abbreviated Journal | |
| Volume | 17 | Issue | Pages |
241-247 | |
| Keywords | 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 | ||||
| Abstract | 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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| Notes | 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 | Approved | no | ||
| Call Number | SLN @ rana @ 271 | Serial | 480 | ||
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| Author | Ale, S.B. | ||||
| Title | The Annapurna Conservation Area Project: A Case Study of an Integrated Conservation and Development Project in Nepal | Type | Conference Article | ||
| Year | 1997 | Publication | Abbreviated Journal | ||
| Volume | Issue | Pages |
155-169 | ||
| Keywords | conservation; annapurna; park; parks; reserve; reserves; refuge; management; habitat; livestock; herders; herder; Acap; education; community-development; tourism; women; protected-area; browse; community; development; protected; area; 2960 | ||||
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| Publisher | Islt | Place of Publication | Lahore, Pakistan | Editor | Jackson, R.; Ahmad, A. |
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| Notes | Full text at URLTitle, Monographic: Eighth International Snow Leopard SymposiumPlace of Meeting: Islamabad, PakistanDate of Copyright: 1997 | Approved | no | ||
| Call Number | SLN @ rana @ 394 | Serial | 55 | ||
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| Author | Ale, S.B.; Yonzon, P.; Thapa, K. | ||||
| Title | Recovery of snow leopard Uncia uncia in Sagarmatha (Mount Everest) National Park, Nepal | Type | Miscellaneous | ||
| Year | 2007 | Publication | Oryx | Abbreviated Journal | |
| Volume | 41 | Issue | Pages |
89-92 | |
| Keywords | Nepal; recovery; Sagarmatha Mount Everest National Park; snow leopard; Uncia uncia; surveys; survey; snow; snow-leopard; leopard; uncia; Uncia-uncia; valley; Sagarmatha; national; national park; National-park; park; using; information; management; system; research; transects; transect; sign; areas; area; snow leopards; snow-leopards; leopards; 40; Himalayan; tahr; musk; musk-deer; deer; location; recent; species; grazing; land; Forest; habitat; domestic; wild; ungulates; ungulate; livestock; tourism; development; traditional; land use; land-use; use; wildlife | ||||
| Abstract | From September to November 2004 we conducted surveys of snow leopard Uncia uncia signs in three major valleys in Sagarmatha (Mount Everest) National Park in Nepal using the Snow Leopard Information Management System, a standardized survey technique for snow leopard research. We walked 24 transects covering c. 14 km and located 33 sites with 56 snow leopard signs, and 17 signs incidentally in other areas. Snow leopards appear to have re-inhabited the Park, following their disappearance c. 40 years ago, apparently following the recovery of Himalayan tahr Hemitragus jemlahicus and musk deer Moschus chrysogaster populations. Taken together the locations of all 73 recent snow leopard signs indicate that the species is using predominantly grazing land and shrubland/ open forest at elevations of 3,000-5,000 m, habitat types that are also used by domestic and wild ungulates. Sagarmatha is the homeland of c. 3,500 Buddhist Sherpas with .3,000 livestock. Along with tourism and associated developments in Sagarmatha, traditional land use practices could be used to ensure coexistence of livestock and wildlife, including the recovering snow leopards, and ensure the wellbeing of the Sherpas. | ||||
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| Notes | http://www.snowleopardnetwork.org/bibliography/Ale_2007.pdf | Approved | no | ||
| Call Number | SLN @ rana @ 884 | Serial | 58 | ||
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| Author | Ale, S.B., Boesi, R. | ||||
| Title | Snow Leopard Sightings on the Top of the World | Type | Journal Article | ||
| Year | 2005 | Publication | Cat News | Abbreviated Journal | |
| Volume | Issue | 43 | Pages |
19-20 | |
| Keywords | Mt.Everest, Sagarmatha National Park, sightings, snow leopard, Uncia uncia | ||||
| Abstract | Sightings of snow leopards Uncia uncia in the wild are rare. This is because snow leopards occur in low numbers and are very elusive (Schaller 1977). Snow leopards may be sparsely distributed,but they may not, however, be very elusive in the world's highest park, Sagarmatha (Mt. Everest) National Park (86° 30' 53“ E to 86° 99' 08” E and 27° 46' 19“ N to 27° 06' 45” N) in Nepal. | ||||
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| Notes | Approved | no | |||
| Call Number | SLN @ rana @ | Serial | 1111 | ||
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