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Author |
Jackson, R.; Roe, J.; Wangchuk, R.; Hunter, D. |
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Title |
Estimating Snow Leopard Population Abundance Using Photography and Capture-Recapture Techniques |
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Miscellaneous |
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2006 |
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Wildlife Society Bulletin |
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34 |
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3 |
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772-781 |
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Keywords |
abundance; camera trapping; capture rates; dentistry; identification; India; photography; snow leopard; Uncia uncia |
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Abstract |
Conservation and management of snow leopards (Uncia uncial) has largely relied on anecdotal evidence and presence-absence data due to their cryptic nature and the difficult terrain they inhabit. These methods generally lack the scientific rigor necessary to accurately estimate population size and monitor trends. We evaluated the use of photography in capture-mark-recapture (CMR) techniques for estimating snow leopard population abundance and density within Hemis National Park, Ladakh, India. We placed infrared camera traps along actively used travel paths, scent-sprayed rocks, and scrape sites within 16-30 kmý sampling grids in successive winters during January and March 2003-2004. We used head-on, oblique, and side-view camera configurations to obtain snow leopard photographs at varying body orientations. We calculated snow leopard abundance estimates using the program CAPTURE. We obtained a total of 66 and 49 snow leopard captures resulting in 8.91 and 5.63 individuals per 100 trap nights during 2003 and 2004, respectively. We identified snow leopards based on the distinct pelage patters located primarily on the forelimbs, flanks, and dorsal surface of the tail. Capture probabilities ranged from 0.33 to 0.67. Density estimates ranged from 8.49 (SE+0.22) individuals per 100 kmý in 2003 to 4.45 (SE+0.16) in 2004. We believe the density disparity between years is attributable to different trap density and placement rather than to an actual decline in population size. Our results suggest that photographic capture-mark-recapture sampling may be a useful tool for monitoring demographic patterns. However, we believe a larger sample size would be necessary for generating a statistically robust estimate of population density and abundance based on CMR models. |
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SLN @ rana @ 912 |
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476 |
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Fox, J.; Nurbu, C.; Bhatt, S.; Chandola, A. |
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Title |
Wildlife conservation and land-use changes in the Transhimalayan region of Ladakh, India |
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Miscellaneous |
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1994 |
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Mountain-Research-and-Development. |
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14 |
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1 |
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39-60 |
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conservation; India; Ladakh; land use; livstock; protected area; transhimalayan; Transhimalayan-Region |
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Changes in economy and land use are under way in the Indian Transhimalayan region of Ladakh, creating both negative and positive prospects for wildlife conservation in this sparsely populations and previously remote area. New livestock breeds, irrigation developments, farming practices, foreign tourists, and a large military presence are changing the way people view and use the mountainous land that surrounds them. With only 0.3% of the land currently arable, changes in wildlife and natural resource conservation are most apparent on Ladakh's extensive rangelands which are apparently undergoing a redistribution of use associated with social changes and recently introduced animal husbandry and farming practices. International endangered species such as the snow leopard, several wild ungulates, and the black-necked crane provide special incentive for conservation efforts in what are some of the best remaining natural areas in the mountainous regions to the north of the Himalayan crest. The success of newly created protected areas for wildlife conservation in Ladakh rests on an understanding of the effects of various development directions, a commitment to environmentally sensitive development amid the many competing demands on Ladakh's natural resources, conservation laws appropriate to human needs, and a clear recognition that solutions can be neither directly adaptable from other mountainous areas nor even widely applicable across the Himalayan region. |
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SLN @ rana @ 930 |
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286 |
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Anonymous |
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Title |
Snow leopard trade in court |
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Unsupported: Case |
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1984 |
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snow; snow leopard; snow-leopard; leopard; trade; India; people; coat |
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Press note on court findings in India, convicting people in posession of a snow leopard coat. |
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SLN @ rana @ 943 |
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78 |
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Plan to conserve snow leopard |
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1988 |
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Herald News Service |
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conservation plan; Himalaya; India; snow leopard |
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New Dehli |
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SLN @ rana @ 944 |
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15 |
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Government of India |
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The snow leopard conservation scheme |
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Report |
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1988 |
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1-29 |
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conservation; environment; government; India; snow leopard |
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Ministry of Environment and Forests, Government of India |
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SLN @ rana @ 945 |
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340 |
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Green, M.J.B. |
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Title |
Protected areas and snow leopards: their distribution and status |
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1987 |
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Tiger Paper |
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14 |
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4 |
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1-10 |
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Central Asia; conserve; conserving; distribution; endangered species; network; Panthera-uncia; panthera uncia; protected; protected-area; protected areas; snow leopard; status; protected area; protected-areas; areas; area; snow; snow leopards; snow-leopards; snow-leopard; leopards; leopard; International; symposium; India |
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Considerable efforts have been devoted to conserving the snow leopard Panthera uncia in recent years, but progress has inevitably been slow due to the difficulties of studying a sparsely distributed, secretive and endangered species in often isolated mountainous terrain. Although knowledge about the species overall distribution in the highlands of Central Asia still remains fragmenatry, it is important to briefly examine all the available information in order to review measures taken to date to conserve the species through the protected areas network. The purpose of this paper is to examine the distribution and status of protected areas inhabited or visited by snow leopard in relation to the species' distribution and highlight deficiences in the present network. |
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Presented at 5th International Snow Leopard Symposium held in Srinagar, India, from 13-15 October 1986. Also published in conference proceedings. |
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SLN @ rana @ 965 |
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347 |
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Panwar, H.S. |
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Report on the snow leopard research project of Wildlife Institute of India |
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1988 |
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1-2 |
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Himalaya; Himalayas; India; international snow leopard trust; research; snow leopard; survey |
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Snow leopard survey conducted in Indian Himalayas between November 1985 and July 1986. |
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SLN @ rana @ 987 |
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759 |
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Rishi, V. |
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Snow leopards breed at Darjeeling Zoo |
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1989 |
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Zoo's Print |
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1-4 |
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India; snow leopard; zoo |
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SLN @ rana @ 988 |
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824 |
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Fox, J.L.; Chundawat, R.S. |
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Observations of snow leopard stalking, killing and feeding behavior |
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1988 |
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Mammalia |
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52 |
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137-140 |
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India; stalking; killing; feeding; behavior; observations; browse; 850 |
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Full Text at URLDocument Type: English |
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SLN @ rana @ 99 |
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292 |
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