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Author |
Smith, A.T.; Foggin, M.J. |
Title |
The Plateau Pika (Ochotona curzoniae) is a Keystone Species for Biodiversity on the Tibetan Plateau |
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Journal Article |
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1998 |
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Animal Conservation |
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2 |
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235-240 |
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prey; species; pika; Tibet; tibetan plateau; domestic livestock; biodiversity; browse; 90 |
Abstract |
It is necessary to look at the big picture when managing biological resources on the QinghaiXizang (Tibetan) plateau. Plateau pikas (Ochotona curzoniae) are poisoned widely across the plateau. Putative reasons for these control measures are that pika populations may reach high densities and correspondingly reduce forage for domestic livestock (yak, sheep, horses), and because they may be responsible for habitat degradation. In contrast, we highlight the important role the plateau pika plays as a keystone species in the Tibetan plateau ecosystem. The plateau pika is a keystone species because it: (i) makes burrows that are the primary homes to a wide variety of small birds and lizards; (ii) creates microhabitat disturbance that results in an increase in plant species richness; (iii) serves as the principal prey for nearly all of the plateau's predator species; (iv) contributes positively to ecosystem-level dynamics. The plateau pika should be managed in concert with other uses of the land to ensure preservation of China's native biodiversity, as well as long-term sustainable use of the pastureland by domestic livestock. |
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Cambridge University PressCopyright c 1999 The Zoological Society of London Document Type: English |
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SLN @ rana @ 357 |
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902 |
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Author |
Namgail, T. |
Title |
Interactions between argali and livestock, Gya-Miru Wildlife Sanctuary, Ladakh, India, Final Project Report |
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Report |
Year |
2004 |
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1-39 |
Keywords |
Interactions; interaction; argali; livestock; Gya-Miru; wildlife; sanctuary; sanctuaries; Ladakh; India; project; Report; land-use; land use; region; indian; trans-himalaya; transhimalaya; economy; Animal; products; meat; diet; people; wool; goats; goat; International; High; recent; change; population; grazing; Pressure; pasture; impact; 2000; knowledge; primary; Chundawat; wild; area; Support; ungulate; species; fox; nature; domestic; sheep; habitat; habitat use; use; tibetan; Tibetan argali; ovis; Ovis ammon hodgsoni; ammon; reserve; international snow leopard trust; International-Snow-Leopard-Trust; snow; snow leopard; snow-leopard; leopard; trust; program |
Abstract |
Livestock production is the major land-use in Ladakh region of the Indian Trans-Himalaya, and is a crucial sector that drives the region's economy (Anon, 2002). Animal products like meat and milk provide protein to the diet of people, while products like wool and pashmina (soft fibre of goats) find their way to the international market. Such high utility of livestock and the recent socio-economic changes in the region have caused an increase in livestock population (Rawat and Adhikari, 2002; Anon. 2002), which, if continue apace, may increase grazing pressure and deteriorate pasture conditions. Thus, there is an urgent need to assess the impact of such escalation in livestock population on the regions wildlife. Although, competitive interaction between wildlife and livestock has been studied elsewhere in the Trans-Himalaya (Bhatnagar et al., 2000; Mishra, 2001; Bagchi et al., 2002), knowledge on this aspect in the Ladakh region is very rudimentary. The rangelands of Ladakh are characterised by low primary productivity (Chundawat & Rawat, 1994), and the wild herbivores are likely to compete with the burgeoning livestock on these impoverished rangelands (Mishra et al., 2002). Thus, given that the area supports a diverse wild ungulate assemblage of eight species (Fox et al., 1991b), and an increasing livestock population (Rawat and Adhikari, 2002), the nature of interaction between wildlife and livestock needs to be assessed. During this project, we primarily evaluated the influence of domestic sheep and goat grazing on the habitat use of Tibetan argali Ovis ammon hodgsoni in a prospective wildlife reserve in Ladakh. |
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Project funded by International Snow Leopard Trust Small Grants Program, 2003. |
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SLN @ rana @ 1073 |
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711 |
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Namgail, T.; Fox, J.; Bhatnagar, Y. |
Title |
Habitat shift and time budget of the Tibetan argali: the influence of livestock grazing |
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Miscellaneous |
Year |
2007 |
Publication |
Ecological Resources |
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22 |
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25-31 |
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habitat shift; livestock; Tibetan argali; Time budget; trans-himalaya |
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Livestock production is the primary source of livelihood and income in most of the high steppe and alpine regions of the Indian Trans-Himalaya. In some areas, especially those established or proposed for biodiversity conservation, recent increases in populations of domestic livestock, primarily sheep and goats, have raised concern about domestic animals competitively excluding wild herbivores from the rangelands. We
evaluated the influence of domestic sheep and goat grazing on the habitat use and time budget of the endangered Tibetan argali Ovis ammon hodgsoni in the proposed Gya-Miru Wildlife Sanctuary, Ladakh, India. We asked if the domestic sheep and goat grazing and collateral human activities relegate the argali to suboptimal habitats, and alter their foraging time budgets. Data were collected on habitat use and time budget of a population of c. 50 argalis before and after c. 2,000 sheep and goats moved onto their winter pasture in the Tsabra catchment of the aforementioned reserve. Following the introduction of domestic sheep and goats, argalis continued to use the same catchment but shifted to steeper habitats, closer to cliffs, with lower vegetation cover, thus abandoning previously used plant communities with denser cover. Argalis' active time spent foraging also decreased by 10% in response to the presence of livestock. These results suggest a clear disturbance effect of livestock on argalis, and indicate a potential for competition, conceivably a significant disadvantage for argalis in winter when forage availability is minimal. |
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SLN @ rana @ 926 |
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713 |
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Author |
Schaller, G. |
Title |
Tibet's remote Chang Tang: in a high and sacred realm |
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Journal Article |
Year |
1993 |
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National Geog. |
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184 |
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2 |
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62-87 |
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Tibet; protected-area; park; parks; reserve; refuge; protected area; protected areas; area; areas; protected; browse; 3220 |
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SLN @ rana @ 213 |
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858 |
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Author |
Rana, B.S. |
Title |
Distinguishing kills of two large mammalian predators in Spiti Valley Himachal Pradesh |
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Journal Article |
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1997 |
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J.Bombay Nat.Hist.Soc |
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94 |
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3 |
Pages |
553 |
Keywords |
behavior; endangered; threatened species; foods; feeding; mammals; predation; wildlife; livestock relationships; snow leopard; Tibetan wolf; prey; livestock; India; panthera uncia; canis lupis; browse; threatened; species; relationships; tibetan; wolf; panthera; uncia; canis; lupis; 610 |
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The author studied livestock killed by predators in the Spiti Valley, India, to determine what species had killed yaks, horses, donkeys, and other domestic animals. Eleven of the kills examined were made by snow leopards and six by the Tibetan wolf. Wolves were involved in surplus killings, while snow leopards kill as food is needed. lgh |
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Document Type: English |
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SLN @ rana @ 326 |
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804 |
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