Browsing by Author "Mondal, Indranil"

Filter results by typing the first few letters
Now showing 1 - 4 of 4
  • No Thumbnail Available
    Item
    Evaluating landscape connectivity and bottle-necks for tigers (Panthera tigris tigris) in Tadoba-Andhari landscape complex, Maharashtra, India.
    (Wildlife Institute of India, Dehradun, 2018) Mondal, Indranil; Talukdar, Goutam; Habib, Bilal
    The theory of meta-population dynamics as proposed by Richard Levins in 1969 becomes more evident every day with wild animal populations being compartmentalized into far flung isolated habitats. Everyday animal populations are being driven into several isolated populations, and they face the risk of extinction as a consequence of demographic stochasticity which rises from the probable chance of inbreeding depression in smaller populations. The current study has identified 7555.28 km2 of area outside PAs that arei crucial for-the dispersal and movement of tigers in the Eastern Vidarbha Landscape 2481.23 km2 (32.84%) fall inside notified forest lands. Tiger movement data was analyzed and pockets were identified in the landscape outside PAs where they were spending a considerable amount of time while dispersing or exploring. The eco-geographical characteristics of these pockets were extracted and based on this information we extrapolated it to other areas of the landscape using a MaxEnt model. By extrapolation, the study aimed at identifying patches potentially similar to the ones indicated by the tracking data, which may provide refuge to the dispersing or exploring tigers. Radio collar data from two sub-adult males (514 and 363 days), one adult male (75 days) and three adult females (78, 66 and 422 days) totaling 14,448 GPS fixes was used to calculate Linear Time Density (LTD) Home Range in 500 X 500 m grids across the landscape.
  • No Thumbnail Available
    Item
    Field sampling protocol- mammalian fauna in Trans-Himalayan landscape, Uttarakhand, India
    (Wildlife Institute of India, Dehradun, 2015) Habib, Bilal; Shrotriya, Shivam; Mahar, N.; Lyngdoh, S.; Rawat, G.S.; Mohan, D.; Mondal, Indranil
  • No Thumbnail Available
    Item
    Proposed mitigation measures for maintaining habitat contiguity and reducing wild animal mortality on NH6 and 7 in the Central Indian Landscape
    (Wildlife Institute of India, Dehradun, 2015) Habib, Bilal; Saxena, Akansha; Mondal, Indranil; Rajvanshi, Asha; Mathur, V.B.; Negi, H.S.
    Central India is considered to be the heart of India’s wildlife. It is home to some of India’s largest forest tracts, rich wildlife as well as indigenous people. It is also recognized by the National Tiger Conservation Authority, Government of India as a region with one of the best potentials for long-term tiger conservation. It harbours about 688 numbers of tigers in 19 tiger reserves (Jhala et al., 2015). Other than the tiger (Panthera tigris), the faunal diversity includes some of the most charismatic and endangered species such as the leopard (Panthera pardus), sloth bear (Melursus ursinus), gaur (Bos gaurus) and the hard ground swamp deer (Cervus duvaucelli). The tiger reserves and protected areas are connected by wildlife corridors falling outside the Protected Area network. These corridors can provide crucial connectivity and allow the free movement of tigers and other wildlife from one forest area to another, thereby connecting ‘source’ populations and ensuring demographic and genetic viability. This connectivity is also important to maintain the habitat quality of these contiguous forests for the other faunal species of the landscape. Any infra-structure development in this landscape should therefore consider the importance of the need to maintain connectivity between these animal populations. To identify specific animal crossing zones on NH-7 (Maharashtra and MP) and NH-6 (Maharashtra) passing through vital wildlife corridors and to suggest feasible locations for making underpasses and their dimensions, and in the light of these findings, review the earlier proposed mitigation measures. ii. To evaluate the barrier effect on different animal species due to factors such as road type (2 and 4-lane), traffic heterogeneity, traffic volume, vehicle speed and species characteristics at current traffic volume .
  • No Thumbnail Available
    Item
    Tiger corridors of the Eastern Vidarbha landscape
    (NTCA and Wildlife Institute of India, Dehradun, 2016) Mondal, Indranil; Habib, Bilal; Nigam, Parag; Talukdar, Gautam