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Suryawanshi, K.R.; Bhatnagar, Y.; Mishra, C. |
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Title |
Why should a grazer browse? Livestock impact on winter resource use by bharal Pseudois nayaur
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2009 |
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Oecologia |
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1-10 |
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browse; livestock; impact; winter; resource; use; bharal; Pseudois; pseudois nayaur; Pseudois-nayaur; nayaur; diet; variation; diets; conservation; Media; study; decline; areas; area; grazing; Pressure; plants; plant; sign; feeding; location; population; structure; populations; using; young; Female; times; High; Competition; species; predators; predator; endangered; snow; snow leopard; snow-leopard; leopard; trans-himalaya; transhimalaya |
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Many mammalian herbivores show a temporal diet variation between graminoid-dominated and browse dominated diets. We determined the causes of such a diet shift and its implications for conservation of a medium sized ungulate-the bharal Pseudois nayaur. Past studies show that the bharal diet is dominated by graminoids (>80%) during summer, but the contribution of graminoids declines to about 50% in winter. We tested the predictions generated by two alternative hypotheses explaining the decline: low graminoid availability during winter causes bharal to include browse in their diet; bharal include browse, with relatively higher nutritional quality, in their diet to compensate for the poor quality of graminoids during winter. We measured winter graminoid availability in areas with no livestock grazing, areas with relatively moderate livestock grazing, and those with intense livestock grazing pressures. The chemical composition of plants contributing to the bharal diet was analysed. The bharal diet was quantiWed through signs of feeding on vegetation at feeding locations. Population structures of bharal populations were recorded using a total count method. Graminoid availability was highest in areas without livestock grazing, followed by areas with moderate and intense livestock grazing. The bharal diet was dominated by graminoids (73%) in areas with highest graminoid availability. Graminoid contribution to the bharal diet declined monotonically (50, 36%) with a decline in graminoid availability. Bharal young to female ratio was 3 times higher in areas with high graminoid availability than areas with low graminoid availability. The composition of the bharal winter diet was governed predominantly by the availability of graminoids in the rangelands. Our results suggest that bharal include more browse in their diet during winter due to competition from livestock for graminoids. Since livestock grazing reduces graminoid availability, creation of livestock-free areas is necessary for the conservation of grazing species such as the bharal and its predators including the endangered snow leopard in the Trans-Himalaya. |
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Springer-Verlag |
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Online |
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This study was made possible by a grant from the Snow Leopard Network. Additional support was given by the Wildlife Conservation Society-India Program and Nature Conservation Foundation, the Whitley Fund for Nature, the Ford Foundation, and the Nadathur Conservation Trust. |
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SLN @ rana @ 1062 |
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951 |
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Suryawanshi, K.R. |
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Title |
Towards snow leopard prey recovery: understanding the resource use strategies and demographic responses of bharal Pseudois nayaur to livestock grazing and removal; Final project report |
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Report |
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2009 |
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1-43 |
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project; snow; snow leopard; snow-leopard; leopard; network; conservation; program; prey; recovery; resource; use; strategy; demographic; Response; bharal; Pseudois; pseudois nayaur; Pseudois-nayaur; nayaur; livestock; grazing; Report; decline; wild; populations; population; Himalayan; region; Competition; threats; threat; uncia; Uncia uncia; Uncia-uncia; study; diet; winter; Test; browse; nutrition; areas; area; young; Female; times; High; Adult; mortality; species; predators; predator; endangered; trans-himalaya; transhimalaya |
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Decline of wild prey populations in the Himalayan region, largely due to competition with livestock, has been identified as one of the main threats to the snow leopard Uncia uncia. Studies show that bharal Pseudois nayaur diet is dominated by graminoids during summer, but the proportion of graminoids declines in winter. We explore the causes for the decline of graminoids from bharal winter diet and resulting implications for bharal conservation. We test the predictions generated by two alternative hypotheses, (H1) low graminoid availability caused by livestock grazing during winter causes bharal to include browse in their diet, and, (H2) bharal include browse, with relatively higher nutrition, to compensate for the poor quality of graminoids during winter. Graminoid availability was highest in areas without livestock grazing, followed by areas with moderate and intense livestock grazing. Graminoid quality in winter was relatively lower than that of browse, but the difference was not statistically significant. Bharal diet was dominated by graminoids in areas with highest graminoid availability. Graminoid contribution to bharal diet declined monotonically with a decline in graminoid availability. Bharal young to female ratio was three times higher in areas with high graminoid availability than areas with low graminoid availability. No starvation-related adult mortalities were observed in any of the areas. Composition of bharal winter diet was governed predominantly by the availability of graminoids in the rangelands. Since livestock grazing reduces graminoid availability, creation of livestock free areas is necessary for conservation of grazing species such as the bharal and its predators such as the endangered snow leopard in the Trans-Himalaya. |
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Project funded by Snow Leopard Network's Snow Leopard Conservation Grant Program, 2008. Nature Conservation Foundation, Mysore. Post-graduate Program in Wildlife Biology and Conservation, National Centre for Biological Sciences, Wildlife Conservation Society -India program, Bangalore, India. |
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SLN @ rana @ 1077 |
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952 |
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Allen, P. |
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Title |
Conservation Increases Crafts Income |
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Miscellaneous |
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2002 |
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Winter, 2002 |
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7 |
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crafts; conservation; herders; Sle; snow-leopard-enterprises; nomadic; Mongolia; wool; income; tourists; poaching; incentive; livestock; zoos; browse; 4310 |
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Full Text at URLJournal Title: Crafts News |
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SLN @ rana @ 419 |
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67 |
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International Snow Leopard Trust |
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Snow Leopard News, Spring 2002 |
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2002 |
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Snow Leopard News |
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Snow-leopard-survival-strategy-summit; Slss; Islt; NGO's; Woodland-Park-Zoo; seattle; logo; Pakistan; behaviour; hunting; herders; conservation; tourism; Mongolia; Charudutt-Mishra; browse; 4330 |
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Islt |
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Seattle, Washington |
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Full Text at URLIndex of Articles:1. Snow Leopard Survival Strategy Summit2.Show Your Creativity: Eneter our Logo Contest3.Serious Snow Leopard fun in Pakistan4. Mission to Mongolia 20025.Spring Cleaning Treasures6.Another Doscter on the TeamDate of Copyright: 2002 |
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SLN @ rana @ 421 |
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935 |
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Allen, P. |
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Irbis Enterprises: A Project of the International Snow Leopard Trust |
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2001 |
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1-3 |
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Islt; irbis-enterprises; irbis; income; herders; incentive; grazing; limitations; poaching; prey; resentment; livestock; wool; cashmere; conservation; tolerance; predation; education; browse; 4320 |
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Columbus Zoo and Aquarium |
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Full Text at URLJournal Title: The Conservationist |
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SLN @ rana @ 420 |
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66 |
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Lama, T.T. |
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Snow Leopard Conservation Annual Progress Report |
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2001 |
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Nepal; conservation; Iunc; Wwf; management; Islt; field-study; field; study; Kanchenjunga; annapurna; parks; preserves; reserves; protected-area; habitat; workshops; monitoring; browse; 4170; snow; snow leopard; snow-leopard; leopard; status; Report |
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Full text available at URLAuthor Role: Program OfficerAuthor Affiliation: WWF Nepal ProgramTitle, Analytic: Snow Leopard Conservation Annual Progress Report.ProCite field [12]: (2000-20001) |
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SLN @ rana @ 405 |
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608 |
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International Snow Leopard Trust |
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Snow Leopard News Fall 2001 |
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2001 |
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Snow Leopard News |
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seattle; fund-raising; volunteers; annual-appeal; Woodland-Park-Zoo; Tserendeleg; Mongolia; Macne; Islt; Pakistan; Afganastan; Malik; September-11th; war; conservation; China; Slims; Tnc; Yunnan; Slss; Snow-Leopard-Survival-Summit; Sullenberger; Munktsog; irbis-enterprises; Cnn; Abc; tourism; travel; crafts; Dolijinsuren; browse; 4340 |
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Islt |
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Full Text at URLTable of Contents:1.Thanks Again to Woodland Park Zoo in Seattle2.Mongolia's Conservation Leader Passed Away3.The Presence of the Trust4.ISLT and the Nature Conservancy Team up in China5.Snow Leopard Survival Summit Postponed6.Mongolia's Snow Leopards in the News7.Volunteers for Snow Leopards8.From Cozzy Mitts to Tea Cozies |
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SLN @ rana @ 422 |
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932 |
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International Snow Leopard Trust |
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Snow Leopard News Summer 2001 |
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Snow Leopard News |
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Islt; Woodland-Park-Zoo; seattle; Snow-leoaprd-Summit; Slss; threats; conservation; donation; field-study; surveys; Pakistan; Kyrgastan; Kyrgyz-Republic; India; research; staff; expansion; programs; education; herders; interviews; funding; travel; livestock; browse; 4350 |
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Islt |
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Full Text at URLTable of Contents:1.ISLT to Host Snow Leopard Summit2.Trust Receives $100,000 Anonymous Donation3.Report from the Field |
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SLN @ rana @ 423 |
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933 |
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International Snow Leopard Trust |
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Snow Leopard News Spring 2001 |
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2001 |
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Snow Leopard News |
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Annual-Appeals-Fund; conservation-programs; populations; Kyrgyz-Republic; Soviet-Union; China; India; Mongolia; Pakistan; Charudutt; incentive; Woodland-Park-Zoo; cub; Death; veterinary; medicine; Bayarjargal; raffle; Dorothy-McLean; volunteers; poaching; hunting; pelts; furs; bones; herders; killing; livestock; browse; 4360 |
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Islt |
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Full Text at URLTable of Contents1.Programs to Expand Thanks to Annual Appeal Funds2.Zoo and ISLT Mark Passing of Snow Leopard Cub3.Irbis Enterprises National Coordinator Visits Seattle4.A Raffle for the Snow Leopard5.Stock Gifts to ISLT6.ISLT Wants You7.Situation Worsens in Kyrgyz Republic8.ISLT Wish List |
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SLN @ rana @ 424 |
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Anonymous |
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Snow Leopard Smuggler Detained in Northwest China |
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2000 |
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poaching; smuggling; China; snow-leopard; snow leopard; browse; 1020 |
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Police have detained a man for trying to smuggle two snow leopards through the Xining Railway Station in northwest China's Qinghai Province. Ma Deliang was stopped by police after he attempted to pass the butchered snow leopards off as “beef” at a shop in Sichuan in southwest China. Suspicious of the contents in Ma's big sack, police asked experts from the local forestry bureau to check the meat and they found it to be flesh of two snow leopards, an endangered species on top state protection. Ma later confessed that he bought the dead snow leopards at a local market and wanted to smuggle them to Deyang, a city in southwest China's Sichuan province. Police also searched Ma's home and found dear heads, antlers and lynx and fox furs. Snow leopards live in highlands of altitudes between 3,000 to 6, 000 m above sea level. The population of the species has dwindled greatly since the 19th century. |
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News Provided by COMTEX (http://www.comtexnews.com) Copyright XINHUA NEWS AGENCY Article A59130452 COPYRIGHT 2000 Comtex Scientific Corp. Journal Title: Xihnhua News Agency |
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SLN @ rana @ 387 |
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89 |
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