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Author |
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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Journal Article |
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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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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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Author |
Oli, M.K. |
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The ecology and conservation of the snow leopard (Panthera uncia) in the Annapurna Conservation Area, Nepal |
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1991 |
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annapurna; conservation; area; Annapurna-Conservation-Area; ecology; Nepal; parks; park; reserves; reserve; refuge; potected-area; protected; browse; 2390 |
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Ph.D. thesis |
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University of Edinburgh, Scotland. |
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Phil. thesis |
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SLN @ rana @ 183 |
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742 |
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Chundawat, R.S. |
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Ecological Studies of Snow Leopard and its Associated Prey Species in Hemis High Altitude Park, Ladakh (J&K) |
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1992 |
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90 pages |
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India; Ladakh; snow-leopard; predator; prey; herder; blue-sheep; habitat; herders; Hemis; parks; reserves; refuge; protected-area; snow leopard; blue; sheep; browse; protected; area; 980 |
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Ph.D. thesis |
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University of Rajasthan |
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Snow Leopard Trust holds one copyPlace of Publication: Indira Gandhi Centre for Human Ecology, Environmental and Population Studies, University of Rajastan, Jaipur-302 004, IndiaDate of Copyright: 1992 |
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SLN @ rana @ 188 |
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224 |
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Fox, J.L.; Sinha, S.P.; Chundawat, R.S. |
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Recomendations for Expansion of Hemis High Altitude Park, Ladakh, Jammu and Kashmir |
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Miscellaneous |
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1987 |
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India; Jammu; Ladakh; Kashmir; park; preserve; reserve; protected-area; browse; 4280 |
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Wildlife Institute of India |
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Full Text at URL |
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SLN @ rana @ 417 |
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291 |
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Author |
Jackson, R. |
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A wildlife survey of the Qomolangma Nature Preserve, Tibetian Autonomous Region, Peoples Republic of China |
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1991 |
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Qomolangma; Tibet; China; protected-areas; parks; preserves; reserves; refuge; protected area; protected areas; protected; area; areas; browse; 3150 |
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Woodlands Mountain Institute |
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Franklin, West Virginia |
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SLN @ rana @ 184 |
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447 |
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Wingard, J.R.; Zahler, P. |
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Silent Steppe: The Illegal Wildlife Trade Crisis in Mongolia |
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Report |
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2006 |
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1-170 |
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steppe; illegal; wildlife; trade; Mongolia; study; threat; populations; population; areas; area; fur; fur trade; fur-trade; game; meat; hunting; Chain; impact; biodiversity; Biodiversity conservation; conservation; rural; livelihood; Wildlife-Management; management; survey; survey methods; methods; history; action; International; enforcement; domestic; community-based; approach |
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The current study in Mongolia is truly groundbreaking, in that it shows that the problem of commercial wildlife trade is also vast, unsustainable, and a major threat to wildlife populations in other areas. This paper's Executive Summary briefs the topics of wildlife trade in Mongolia, fur trade, medicinal trade, game meat trade, trophy and sport hunting, trade chains and markets, trade sustainability, impacts of wildlife trade on biodiversity conservation, impacts of trade on rural livelihoods, enabling wildlife management, and management recommendations. The main content of the paper includes: wildlife trade survey methods, a history of wildlife trade in Mongolia, wildlife take and trade today, enabling wildlife management, and recommendations and priority actions. The recommendations have been divided into six separate sections, including (1) cross-cutting recommendations, (2) international trade enforcement, (3) domestic trade enforcement, (4) hunting management, (5) trophy and sport hunting management, and (6) community-based approaches. Each section identifies short-term, long-term, and regulatory goals in order of priority within each subsection. |
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World Bank |
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Washington, D.C. |
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East Asia and Pacific Environment and Social Development Department |
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Mongolian version. English language translation is also available in the SLN bibliography. Mongolia Discussion Papers. East Asia and Pacific Environment and Social Development Department. Washington D.C.: World Bank. |
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SLN @ rana @ 1079 |
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1026 |
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