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Author |
Namgail, T. |
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Title |
Geography of mammalian herbivores in the Indian Trans-Himalaya: Patterns and Processes |
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2009 |
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The loss of mammalian herbivores from grazing ecosystems has become a major concern,and efforts to stem such losses are stymied by lack of information on the proximate and ultimate factors influencing their distributions and diversity patterns. This research investigated the distribution, species-richness patterns and underlying mechanisms in mammalian herbivores of the Trans-Himalayan region of Ladakh, India. It adopted a multi-spatial approach to understand these issues in the little-known herbivore assemblage of the region. Since vegetation is the most important factor that determines the distribution of herbivores, first I researched the distribution and abundance patterns of vascular plants along an altitudinal gradient at different spatial scales. Both plant species-richness and aboveground biomass showed a hump-shaped relationship with altitude. Such a relationship in case of species-richness is expected, but it is contrary to my expectation of a negative linear relationship, in case of abundance. I relate this unexpected pattern to the limited precipitation and pervasive livestock grazing at lower altitudes in this dry alpine environment. I then investigated the biogeography of mammalian herbivores, and found that they form geographical groups on the basis of their evolutionary histories. Subsequently, I assessed the niche relationship between Asiatic ibex Capra ibex siberica and blue sheep Pseudois nayaur, the most common large herbivores in Ladakh, to see whether local level processes like competition generate spatial pattern of herbivore species-richness. The results showed that blue sheep constrains the distribution of ibex, which implies that competition amongst native species does play a role in structuring large herbivore assemblages in the region. Recognising the lack of information on large herbivores’ niche variation across assemblages, I also studied blue sheep’s niche width in relation to herbivore speciesrichness. It became apparent that the species’ niche varies across assemblages with different number of sympatric species, which could negatively influence the animal’s reproductive performance and population. Finally, I asked if the distributional range of the endangered Ladakh urial Ovis vignei vignei is constrained by the abundant blue sheep, and found that these two species associate randomly at large geographical scales, but cooccur at the landscape level as a result of local habitat-level resource partitioning. These results contribute towards understanding the mechanisms responsible for the formation and maintenance of large herbivore assemblages in the Trans-Himalaya and other mountainous regions of the world. |
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Ph.D. thesis |
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India |
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1099 |
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Ahmad, A.; Rawat, J.S.; Rai, S.C. |
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Title |
An Analysis of the Himalayan Environment and Guidelines for its Management and Ecologically Sustainable Development |
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1990 |
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Environmentalist |
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10 |
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4 |
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281-298 |
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environmental-assessment; human-impact; sustainable-development; management-guideline; ecological-degradation; mountain-ecosystem; impact-assessment; developing-country; asia; Himalayas; snow-leopard; snow leopard; browse; environmental; assessment; Human; impact; sustainable; development; management; guidline; ecological; degradations; mountain; ecosystem; 830 |
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The impacts of human activities on the bio-geophysical and socio-economic environment of the Himalayas are analysed. The main man-induced activities which have accelerated ecological degradation and threatened the equilibrium of Himalayan mountain ecosystems are stated as: unplanned land use, cultivation on steep slopes, overgrazing, major engineering activities, over-exploitation of village or community forests, lopping of broad leaved plant species, shifting cultivation (short cycle) in north-east India, tourism and recreation. The geomorphological conditions are major factors responsible for landslides which cause major havoc every year in the area. Wild fauna, like musk deer and the snow leopard are now under threat partially due to changes in their habitat and the introduction of exotic plant species. Population pressure and migration are major factors responsible for poverty in the hills. The emigration of the working male population has resulted in the involvement of women as a major work-force. Guidelines, with special emphasis on the application of environmental impact assessments for the management of the Himalayas, are proposed. -from Authors |
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SLN @ rana @ 145 |
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38 |
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Ali, S.M. |
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The Cats of India |
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1990 |
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Myforest |
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26 |
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3 |
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275-291 |
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lion; clouded-leopard; cheetah; tiger; leopard; snow-leopard; India; Panthera-leo; Neofelis-nebylosa; Acinonyx-jubatus; Panthera-tigris; Panthera-pardus; Panthera-uncia; behavior; ecology; snow leopard; browse; panthera; uncia; pardus; clouded; leo; neofelis; nebylosa; ancinonyx; jubatus; 820 |
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Describes the range, behaviour and ecology of lion Panthera leo, tiger P. tigris, leopard P. pardus, snow leopard P. uncia, clouded leopard Neofelis nebylosa and cheetah Acinonyx jubatus. -P.J.Jarvis |
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SLN @ rana @ 144 |
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59 |
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Anandakrishnan, M.B. |
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Title |
The snow leopard: Elusive and endangered |
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1998 |
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The Environmental Magazine |
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9 |
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5 |
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18-19 |
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Himalayan; poaching; tourism; development; Nepal; asia; snow-leopard; snow leopard; browse; 1070 |
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The snow leopard has never been common, but there may be fewer than 4,000 left in its Himalayan habitat, and poaching and tourism-related development in the region could drive its numbers down further. |
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Copyright Earth Action Network, Inc. Sep/Oct 1998
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SLN @ rana @ 352 |
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71 |
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Andriuskevicius, A. |
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Occurrance of Snow Leopards in the Soviet Union |
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1980 |
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International Pedigree Book of Snow Leopards |
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2 |
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59-69 |
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2290; area; areas; browse; distribution; park; parks; protected; protected-area; protected area; protected areas; refuge; reserve; reserves; Russia; snow-leopard; snow-leopards; snow leopard; snow leopards; soviet; Soviet-Union; soviet union; status; U.S.S.R.; union; Ussr |
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Outlines status and distribution of snow leopard in USSR, including comments on reserves created for the species. |
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SLN @ rana @ 51 |
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73 |
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Anonymous |
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The Snow Leopard |
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1903 |
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Zoological Society Bulletin |
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109 |
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history; historical; browse; 3560 |
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Held by New York Zool. Society |
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SLN @ rana @ 7 |
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77 |
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Anonymous |
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Trade continues in snow leopard skins |
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1996 |
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Snow Line |
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trade; pelts; fur; coat; poaching; browse; 3080 |
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SLN @ rana @ 284 |
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83 |
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Anonymous |
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Snow Leopard Undergoes Hip Replacement Surgery |
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1999 |
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Feline-Practice |
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27 |
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5 |
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hip-replacement-surgery; zoo; medical; browse; Hip; replacement; surgery; 1230 |
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SLN @ rana @ 372 |
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88 |
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Anonymous |
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Save the Snow Leopard. (Road and Gas Pipeline Project Threatens Ecology of Siberia) |
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2000 |
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The Ecologist |
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30 |
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14 |
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pipeline; siberia; Russia; ecology; habitat; environmentalism; browse; 1030 |
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An interregional organisation called Siberian Accord plans to construct a road and gas pipeline to China, This association, which has vast political powers, exists to create favorable conditions for investing in Siberia. |
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Copyright 2000 MIT Press Journals Document Type: English |
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SLN @ rana @ 393 |
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90 |
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Anonymous |
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Snow leopard conservation: a NABU project in Kyrgyzstan |
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2001 |
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Oryx |
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35 |
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354-355 |
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snow leopard; conservation; Kyrgyzstan; Nabu; endangered; illegal hunting; 5180 |
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Since 1999, NABU, the German Society for Nature Conservation, has been organizing the conservation of snow leopards Uncia uncia in Kyrgyzstan in an international project in cooperation with the Kyrgyz Ministry of the Environment, Emergencies and Civil Defence and the Kyrgyz Ministry of the Interior. The animal, with its typical grey-beige patterned fur and bushy tail, is one of the most endangered big cats in the world. It is categorized as Endangered on the 2000 IUCN Red List and is on CITES Appendix I. |
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Conservation News section of Oryx. Full text available at URL. |
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93 |
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