Theses and Dissertations

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Author: search.filters.author.Sankar, K.Subject: search.filters.subject.Carnivores

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    A study on predation ecology of large carnivores with special reference to human-carnivore conflicts in Pench Tiger Reserve, Madhya Pradesh, Central India
    (Wildlife Institute of India, Dehradun, 2022) Chatterjee, Anindita B.; Sankar, K.; Qureshi, Qamar; Jhala, Y.V.
    Seven years of data (2008 – 2015) resulted in phot-capture of 96 unique individual tigers in the study area. The estimated survival rate of individual tigers was high. Survival of female tigers were higher than that of the male tigers but the range was overlapping. Apparent survival and transitional probabilities were best explained by gender specific models. Survival constant was selected as the best model for estimating growth rate of tigers. Calculated annual growth rate was 13% with no observed sex bias.
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    Aspects of Sloth bear (Melursus ursinus) Ecology in Sanjay Tiger Reserve, Madhya Pradesh
    (Wildlife Institute of India, Dehradun, 2022) Chaudhuri, Sankarshan; Sathyakumar, S.; Sankar, K.; Qureshi, Qamar
    This study was conducted to identify the aspects of the ecology of sloth bear. I conducted the fieldwork for this study for three years (2017-2019). The broad objectives of this study were: 1. To estimate the occupancy and abundance of sloth bears and identify environmental and anthropogenic factors which influence the same 2. To assess the space use patterns by sloth bears in terms of habitat use and den selection 3. To investigate the seasonal diet patterns of sloth bears 4. To assess the human-sloth bear conflict based on spatio-temporal interaction.
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    Prey selection and food habits of large carnivores: tiger (Panthera tigris), leopard (Panthera pardus) and dhole (Cuon alpinus) in Mudumalai Tiger Reserve, Tamil Nadu.
    (2010) Ramesh, T.; Sankar, K.; Qureshi, Qamar
    A detailed long-term study on prey selection, food habits and population status of three sympatric large carnivores (tiger, leopard and dhole) was documented during the present study. To supplement the current basic information, the present study was conducted in Mudumalai Tiger Reserve, Tamil Nadu from January 2008 to April 2010. The objectives of the study include estimating density, group size and composition of prey species of sympatric carnivores, to study the food habits and prey selectivity of sympatric carnivores and to estimate the population of the sympatric carnivores. Prey selection and food habits of large carnivores were studied using two methods i.e by evaluating kills and analyzing scat. Data on population estimation of dhole was collected between January 2008 and December 2009. Five vehicle transect routes ranging from 15 to 23 km were monitored to record dhole sightings. Camera-trap and vehicle transect studies have showed that high densities of large carnivores in the study area of the Tiger Reserve.
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    Ecology of medium and small sized carnivores in Sariska Tiger Reserve, Rajasthan
    (Wildlife Institute of India, Dehradun, 2011) Gupta, Shilpi; Sankar, K.; Qureshi, Qamar
    To assess wildlife population trends, scientifically based monitoring programs must be carried out. A new generation of camera traps and the use of well developed capture-recapture models have led to an increase in the use of remote surveying and monitoring methodologies for nocturnal species. Population estimates can be done for individually identifiable cryptic nocturnal species through camera trap. The study was carried out in Sariska Tiger Reserve (STR), western Rajasthan, India, (79° 17’ to 76°34’N, 27° 5’ to 27° 33’ E) from November 2007 to June 2009. The objectives of study are (1) To estimate the abundance of medium and small sized carnivores such as striped hyena, jackal, jungle cat, civets and mongoose. (2) To study the prey availability and food habits of medium and small sized carnivores and To assess the habitat suitability for these carnivores. In this study, both capture - recapture method and Royle -Nichols (2003) approach was applied to photographic capture trap data to estimate density and abundance of nocturnal cryptic species. The results of this study presented both numerically and also in the form of habitat suitability maps for all the study species in the study area. These finding have potential to develop basis for managing areas for these medium and small sized carnivores in Sariska and other similar habitat in semi arid zone.
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    Food habits of tiger (Panthera tigris tigris) in Sariska tiger reserve, Rajasthan
    (Wildlife Institute of India, Dehradun, 2003) Avinandan, D.; Sankar, K.; Qureshi, Qamar
    The present study aims at understanding relationship between tiger and its prey in a semi arid tract. The study was conducted in Sariska tiger reserve, Rajasthan over a period of six months from November 2002 to April 2003. Density estimation of major wild and domestic prey species was done to assess availability to tigers in terms of density and biomass. The line transect method was used to estimation prey density
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    Food Habits of Tiger (Panthera tigris tigris) in Pench National Park, Madhya Pradesh
    (Wildlife Institute of India, Dehradun, 1999) Biswas, Sayentan; Sankar, K.; Chundawat, R.S.
    Food habits of tiger was studied in a dry deciduous forest area in Pench National Park, Madhya Pradesh over a period of 6 months from November 1986 to April 1999. Density estimation of major prey species was done to assess availability to tigers. Line transect method was used for estimation of prey density. Scat analysis revealed that chital constituted the major part of is tiger prey followed by sambar and wild pig.