| 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 |
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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.; Roe, J. |
| Title |
Preliminary Observations On Non-Invasive Techniques for Identifying Individual Snow Leopards and Monitoring Populations |
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Conference Article |
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2002 |
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snow; leopard; monitoring; population; uncia; non; invasive; photo; camera; trap; traps; 4970 |
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Islt |
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Islt |
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Abastract OnlyTitle, Monographic: Proceedings of the Snow Leopard Survival SummitPlace of Meeting: Seattle,WA |
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SLN @ rana @ 483 |
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469 |
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| Author |
Jackson, R.; Nepali, H.S.; Sherpa, A.R. |
| Title |
Aspects of wildlife protection and utilization in the Makalu-Barun Conservation Area |
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Miscellaneous |
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1990 |
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76 |
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protected-area; conservation; park; parks; reserve; refuge; Nepal; Makalu-Barun; browse; protected; area; areas; protected area; protected areas; makalu barun; makalu; barun; 3380 |
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The Makalu-Barun Conservation Project Working Paper Publication Series 11. Kathmandu, Nepal |
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SLN @ rana @ 170 |
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446 |
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| Author |
Jackson, R.; Hunter, D.O. |
| Title |
Snow Leopard Survey and Conservation Handbook (2nd Edition) |
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Book Whole |
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1995 |
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surveys; survey; transect; field-study; browse; field study; field; study; 2790 |
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ISLT and National Biological Survey |
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SLN @ rana @ 281 |
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454 |
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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 |
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Conference Article |
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1997 |
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75-91 |
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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 |
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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.; Hillard, D. |
| Title |
Tracking the elusive snow leopard |
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Journal Article |
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1986 |
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National Geographic |
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169 |
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792 |
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tracking; Jackson; Hillard; browse; 1190 |
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Document Type: English |
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SLN @ rana @ 101 |
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437 |
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Jackson, R.; Fox, J.L. |
| Title |
Snow Leopard and Prey Species Workshop in Bhutan |
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Miscellaneous |
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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 |
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Conference Article |
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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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no |
| Call Number |
SLN @ rana @ 399 |
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458 |
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| Author |
Jackson, R.; Fox, J.L. |
| Title |
Report on Fifth Slims Training Workshop (Nepal) |
Type |
Miscellaneous |
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2000 |
Publication |
Snow Line |
Abbreviated Journal |
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xvii |
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6-15 |
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Slims; Nepal; training; techniques; Gps; field-work; surveys; Tibet; habitat; China; hunting; poaching; livestock; population; Shey-Phoksundo; parks; protected-area; reserves; annapurna; Dhorpatan; Manaslu; Sagarmatha; Langtang; Islt; Wwf; Hmg; Dnpwc; browse; 4460 |
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Nepal's snow leopards (Uncia uncia) are mostly found along the northern border with Tibet (China). The largest populations are in Dolpa, Mugu, Manang, and Myagdi Districts. Potential habitat totals about 30,000 square kilometers. Numbers are estimated at 300-500, but surveys are urgently needed to confirm this rough guess. Like elsewhere, the primary threats center on poaching, depletion of natural prey, livestock depredation and resultant retributive killing of snow leopards by herders, and the lack of public awareness and support for conserving snow leoaprds, especially among local herders. |
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International Snow Leopard Trust |
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Seattle |
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SLN @ rana @ 434 |
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466 |
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| Author |
Jackson, R.; Fox, J. L. |
| Title |
Report on the fourth SLIMS training workshop, Bhutan |
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Report |
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1997 |
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1-21 |
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May 13-30, 1997; report for International Snow Leopard Trust |
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1165 |
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