| Records |
Author  |
Jackson, R.; Roe, J.; Wangchuk, R.; Hunter, D. |
| Title |
Estimating Snow Leopard Population Abundance Using Photography and Capture-Recapture Techniques |
Type |
Miscellaneous |
| Year |
2006 |
Publication |
Wildlife Society Bulletin |
Abbreviated Journal |
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| Volume |
34 |
Issue |
3 |
Pages |
772-781 |
| Keywords |
abundance; camera trapping; capture rates; dentistry; identification; India; photography; snow leopard; Uncia uncia |
| 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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| Call Number |
SLN @ rana @ 912 |
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476 |
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| Author |
Jackson, R.; Hunter, D.; Emmerich, C. |
| Title |
SLIMS: An Information Management System for Promoting the Conservation of Snow Leopards and Biodiversity in the Mountains of Central Asia |
Type |
Conference Article |
| Year |
1997 |
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75-91 |
| Keywords |
Slims; conservation; biodiversity; asia; livestock; parks; park; protected-area; reserve; reserves; refuge; prey; habitat; distribution; status; Pakistan; Mongolia; India; China; Project-snow-leopard; survey; surveys; field; snow-line; Padu; Wwf; Macne; Merc; Gis; field-surveys; transects; protected area; protected areas; protected; area; areas; project snow leopard; project; snow leopard; snow; leopard; snow line; world wildlife fund; field surveys; browse; 2770 |
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Islt |
Place of Publication |
Lahore, Pakistan |
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R.Jackson; A.Ahmad |
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Full Text at URLTitle, Monographic: Eighth Interantional Snow Leopard SymposiumPlace of Meeting: Islamabad, PakistanDate of Copyright: 1997 |
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SLN @ rana @ 398 |
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457 |
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| Author |
Jackson, R.; Fox, J.L. |
| Title |
Snow Leopard and Prey Species Workshop in Bhutan |
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Jigme-Dorji; Bhutan; workshop; Slims; blue-sheep; tourism; Islt; parks; reserves; protected-areas; tracks; surveys; international snow leopard trust; blue; sheep; browse; 4070 |
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Full Text at URL |
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SLN @ rana @ 6 |
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431 |
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| Author |
Jackson, R.; Fox, J.L. |
| Title |
Snow Leopard Conservation: Accomplishments and Research Priorities |
Type |
Conference Article |
| Year |
1997 |
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128-144 |
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Slims; Islt; zoos; zoo; captivity; genetics; home-range; predator; prey; parks; park; reserve; reserves; refuge; Mongolia; China; India; Nepal; Khunjerab; surveys; survey; transect; habitat; scrap; marking; spray; Myanmar; Burma; blue-sheep; ibex; conservation; ecology; management; livestock; herders; Dna; Icimod; Himalaya; protected-area; scrape; blue; sheep; browse; international snow leopard trust; home range; home; range; protected area; protected areas; protected; area; areas; 2900 |
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Islt |
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Pakistan |
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R.Jackson; A.Ahmad |
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Full Text at URLTitle, Monographic: Eighth International Snow Leopard SymposiumPlace of Meeting: PakistanDate of Copyright: 1997 |
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SLN @ rana @ 399 |
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458 |
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| Author |
Jackson, R.; Ahmad, A. |
| Title |
Introduction to the Proceedings (8th Snow Leopard Symp) |
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Conference Article |
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1997 |
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ix-x |
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Pakistan; livestock; herders; herder; snow-leopard; predator; predation; prey; habitat; status; distribution; snow leopard; browse; 2020 |
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Allied Press |
Place of Publication |
Lahore, Pakistan |
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R.Jackson; A.Ahmad |
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Full Text at URLTitle, Monographic: Eighth International Snow Leopard SymposiumPlace of Meeting: Islamabad, PakistanDate of Copyright: 1977 |
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SLN @ rana @ 315 |
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456 |
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| Author |
Jackson, R.; Ahlborn, G. |
| Title |
Snow leopards (Panthera- uncia) in Nepal – home range and movements |
Type |
Journal Article |
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1989 |
Publication |
National Geographic Research |
Abbreviated Journal |
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| Volume |
5 |
Issue |
2 |
Pages |
161-175 |
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Nepal; asia; home-range; movements; Panthera-uncia; snow-leopard; snow leopard; browse; home; range; home range; panthera; panthera uncia; uncia; 840 |
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Addresses:JACKSON R, CALIF INST ENVIRONM STUDIES,SNOW LEOPARD PROJECT,910 K ST,DAVIS,CA 95616 Publisher:NATL GEOGRAPHIC SOC, WASHINGTON Document Type: English |
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SLN @ rana @ 128 |
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441 |
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| Author |
Jackson, R., Hunter, D.O. |
| Title |
Snow leopard Survey and conservation handbook (First edition) |
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Report |
| Year |
1995 |
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1-120 |
| Keywords |
CCT, census, conservation, habitat, method, monitoring, prey, snow leopard, survey, Uncia uncia |
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The objectives of this handbook (First edition) are to provide standard procedures for conducting snow leopard status and distribution surveys; suggest uniform methods for assessing the status and relative abundance of large prey species (ungulates such as blue sheep, argali, markhor, Himalayan tahr, urial, ibex, red deer, and roe deer); offer guidance in evaluating habitat quality and identifying the major environmental factors affecting species welfare; and provide standard forms for reporting the results of these field surveys, and a process for feeding information developed by the International Snow Leopard Trust into Snoe Leopard Information Management System (SLIMS). |
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International Snow Leopard Trust |
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SLN @ rana @ |
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1120 |
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| Author |
Jackson, R. |
| Title |
Observations on the status and distribution of snow leopards (Panthera uncia) in Nepal |
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Report |
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1977 |
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1-12 |
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snow leopard, Nepal |
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1229 |
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| Author |
Jackson, R. |
| Title |
A radio-telemetry study of the snow leopard (Panthera uncia) in Nepal with emphasis on conservation and predator-prey relations |
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1980 |
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March |
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snow leopard, Nepal, conservation, radio telemetry, prey |
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1260 |
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| Author |
Jackson, R. |
| Title |
Radio-tracking snow leopards in the Himalaya: a progress report |
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1984 |
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snow leopard, radio telemetry, Himalaya, Nepal |
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1261 |
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