PhD Theses (WII)

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    Study of pressure and dependency of local people on the natural resources of Mudumalai Wildlife Sanctuary with a veiew to devising compatible management strategies.
    (Wildlife Institute of India, Dehradun, 1998) Silori, C.S.; Mishra, B.K.
    Mudumalai Wildlife Sanctuary (WLS) (11° 32’-11° 42’ N and 76° 2T-760 45’ E) and the adjoining forests of Bandipur National Park (NP), Nagarhole NP Wynaad WLS and Sigur Reserve Forest (RF) form the largest contiguous elephant tract in the peninsular India. Location of Masinagudi village right in the middle of the link forest divide it to still narrower corridors (north and south corridors). A large chunk of the inhabitants of Masinagudi and its hamlets are landless labourers who came to this area in the recent past from the adjoining areas to work in a hydro-electric project. Most of the villagers in these villages maintain large herds of cattle in the surrounding forests for selling cow dung manure to the nearby tea and coffee estates. Many of them cut firewood from these forests to sell in the local market for making a living. The corridor forests between Mudumalai WLS and Sigur RF is thus subjected to heavy biotic pressure from the local people and their grazing cattle. Objectives :i) to investigate the socio-economic and cultural dimensions of sustenance problem of the local people, (ii) to quantify and analyze the pressure of local people and their cattle on the biomass resources of the corridor forest, and (iii) to design viable alternatives for people for mitigating their sustenance problem as well as reducing pressure upon the resource of the corridor forest and the surrounding elephant habitat.
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    Ecological studies on the grassland of Eravikulam National Park, Kerala.
    (Wildlife Institute of India, Dehradun, 1998) Karunakaran, P.V.; Rawat, G.S.
    An ecological study on the. montane grasslands of Eravikulam National Park (ENP), the Western Ghats, was conducted during 1992-1996, with the following objectives: (i). to prepare a complete floristic inventory of the grasslands of ENP, (ii). to identify the grassland communities, their structure, function and successional trends along the anthropogenic gradient, (iii). to determine the forage quantity in different ecological conditions and (iv). to study the effect of fire and tree plantations on the grasslands. 2. The ENP lies between 10° 5’ to 10°20’ N and 77° to 77°10’ E with an area of 97 km2 in the Southern Western Ghats. The study recommends the following research and management strategies for the long term conservation of Shola-Grassland ecosystems and endangered Nilgiri tahr: (a) inclusion of adjecent reserved forests with shola-graslands in the park, (b) boundary verification and better patrolling to check the illegal activities and fire hazards, (c) early burning in selected areas on experimental basis, (d) control of black wattle spreading, (e) ecodevelopment measures for the Lakkamkudi village, (f) better tourism management and (g) long term monitoring of exclosures and representative shola-grassland patches.
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    A study on the vegetation of shivaliks and outer himalaya in Dehradun dun district Uttar Pradesh
    (Wildlife Institute of India, Dehradun, 1996) Bhaisora, N.S.; Rawat, G.S.
    The subtropical zone or Bhabar tract in north India, characterized by fertile alluvial plains (Doons) and fragile Shivalik hills of Tertiary period, lies between the Upper Gangetic plains and outer Himalaya revealing the floral and faunal affinities with both the regions. Extensive cultivation, dense human population, industrial developments and livestock grazing in this area has caused fragmentation and degradation of forests. Of about 40,000 km2 only < 2000 km2 area has been brought under protected area (PA) coverage e.g., Rajaji and Corbett National Parks. The remaining forests continue to degrade. 2. Sal (Shorea robusta), a commercially "important tree, IS considered as climax species in this tract and has been studied extensively. However, there is a paucity of information on the overall conservation status and regeneration of forests in this area. Therefore present study was, undertaken with the following objectives: i) to study the structure and composition of the woody vegetation (tree and shrub layer) along the gradients of altitude and human use in Shivaliks and outer Himalaya, ii) to study the species diversity and human-animal use patterns in various zones, and iii) to assess and compare the regeneration status of Sal and associated tree species in the Shivaliks and outer Himalaya. 3. The study was conducted within about 500 km2 area in the lower parts of Debra Dun district, Uttar Pradesh (290 57' to 310 20' N lat and 770 35' to 190 20' E long). The study area also included parts of western Rajaji National Park, westerns Shivalik Forest Division, forests in Doon Valley, protected forest patches adjacent to Wildlife Institute of India (WII), Indian Military Academy (IMA) , Forest Research Institute (FRI), Upper parts of Rajpur, Malsi and mine reclamation sites near Mussoorie
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    Ecology and Management of Lion and ungulate habitats in Gir.
    (Wildlife Institute of India, Dehradun, 1995) Sharma, Diwakar; Johnsingh, A.J.T.
    The Gir is the only refuge of the Asiatic lion (Panthera leo persica) in its range. This implies that long term conservation of the Asiatic lion will remain an overirding management objective. A study on the impacts of management practices on lion and ungulate habitat was conducted in Gir Protected Area (PA) from June 1991 to July 1994. The Gir . PA includes Gir Wildlife Sanctuary and National Park. It is situated between 200 55' to 21 0 20 'N and 700 25' to 71 0 15' E in the Southern part of Kathiawar peninsula in western Gujarat. Gir PA (hereafter Gir) is located about 60km South of Junagadh. The area which was .3,107 sq km iIi 1877 (Joshi 1976) has been presently reduced to 1,412 sq km, o~ which about 259 sq Ian is national nark. Gir is the last refuge of the wild Asiatic lions (Panthera leo persica) and long term conservation of the Asiatic lion is an overriding management objective of Gir. In order to improve habitat conditions in Gir, the park authorities, over the last 20-25 years have made some management interventions such as relocation of some maldharis (local graziers), reduction in livestock grazing (specially migrant livestock during the rainy season) and fire control. These measures have led to vegetational recovery and increase in wild ungulate and lion populations. Understanding this vegetational recovery was thought to be crucial to determine the extent of management intervention required. It also needed to be determined if the trend (especially in the western Gir) was toward a higher woody proportion both at shrub and tree levels, and whether this in long term would adversely affect ' the distribution and abundance of ungulates, and therefore, group hunting by the lions, their pride size and territoriality.