Technical Reports/Books/Manuals

Permanent URI for this communityhttp://192.168.202.180:4000/handle/123456789/7

Browse

Subject: search.filters.subject.TigerStart date: 2006End date: 2009

Search Results

Now showing 1 - 3 of 3
  • No Thumbnail Available
    Item
    Status of the tigers and copredators in Central Indian landscape
    (Wildlife Institute of India, Dehradun, 2007) Jhala, Y.V.; Gopal, Rajesh; Qureshi, Qamar
    The present report forms a part of the All India Tiger Monitoring exercise undertaken on the direction of the Ministry of Environment and Forests by the Wildlife Institute of India in association with National Tiger Conservation Authority, MoEF, Government of India, and the State Forest Departments. As a part of this process, preliminary findings on the status, and distribution of tigers, co-predators and prey in the States of Rajasthan, Madhya Pradesh, Maharashtra, Chattisgarh, Andhra Pradesh and Orissa are presented. Tiger population estimates are provided for the States of Rajasthan, Madhya Pradesh, Maharashtra and Chattisgarh. For the remaining States of Andhra Pradesh, Jharkhand, and Orissa tiger population estimation is in progress and estimates will be provided at a later date. The current monitoring system for tigers, co-predators, prey and their habitat transcends beyond generating mere numbers. It is a holistic approach which uses the tiger as an umbrella species to monitor some of the major components of forest systems where the tiger occurs in India. The data and inferences generated by the system would not only serve as a monitoring tool but also as an information base for decision making for land use planning. It provides an opportunity to incorporate conservation objectives supported with a sound database, on equal footing with economic, sociological, and other values in policy and decision making for the benefit of the society. After the Sariska debacle, this system with a few modifications was recommended as a monitoring tool for the entire country by the Tiger Task Force.
  • No Thumbnail Available
    Item
    Evaluating tiger habitat at the tehsil level
    (Project Tiger Directorate and Wildlife Institute of India, 2006) Qureshi, Q.; Gopal, R.; Kyatham, Shirish; Basu, S.; Mitra, A.; Jhala, Y.V.
  • No Thumbnail Available
    Item
    Monitoring tiger and its prey in Chilla range, Rajaji National Park, Uttaranchal, India
    (Wildlife Institute of India, Dehradun, 2006) Harihar, Abhishek; Pandav, Bivash; Goyal, S.P.
    The Rajaji National Park along with the adjoining Corbett Tiger Reserve forms the north-western limit for the distribution of the Tiger and Elephant in the Indian Subcontinent. Most parts of this landscape are under anthropogenic influence. Following the notification of the earlier sanctuaries (Rajaji, Motichur & Chilla) to a National Park (Rajaji National Park) in 1983, voluntary relocation of human (Gujjar community) settlements is underway (since 2002). The Chilla Range of Rajaji National Park is presently void of human settlements (Gujjars) and is showing very healthy resurgence of vegetation indicating promising signs of recovery with respect to utilization of the area by wildlife. This study carried out across two years (2004- 2005 to 2005-2006) aimed at monitoring the tiger population within Chilla range following a human resettlement program. Photographic capture-recapture analysis (450 trap nights each year) was used to estimate the density of tigers. Ecological density of wild ungulate prey species was estimated using line transects in conjunction with distance sampling. A total of nine permanent transects were laid and sampled eight times each, every year (102.8 km of walk each year). Food habits of tiger were determined by analysing field collected scats. Our results indicated that Chilla range supports a high ungulate prey density (76.5 individuals km-2 in 2005; 70.98 individuals km-2 in 2006) and has the highest reported sambar density (25.67 individuals km-2 in 2005; 24.69 individuals km-2 in 2006). Though we photographed 12 different individuals during our study (2004-06), the tiger density was found to be low (3.01 tigers 100km-2 in 2005; 2.54 tigers 100km-2 in 2006). The current wild prey biomass off take by tigers was estimated to be 2.78%. However, a predicted ~14 tigers 100km-2 can be supported within Chilla range given a 10% biomass off take (following the model developed by Karanth et al., 2004b). Past anthropogenic pressures have probably caused a downward trend in the tiger densities. From the photographs obtained during this study, it is clear that tigers are breeding in Chilla range. Given adequate protection Chilla can serve as a major source population from where tigers will breed and disperse into neighbouring forests within the Shivalik landscape. A continuous monitoring program is envisaged to document this recovery of predators, prey and their habitat