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Dookia, Sumit
- Food and Feeding Habit of Indian Gazelle (Gazella bennettii), in the Thar Desert of Rajasthan
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Indian Forester, Vol 133, No 10 (2007), Pagination: 1327-1340Abstract
The Indian gazelle or Chinkara (Gazella bennettii), is distributed sparsely in the Thar Desert of Rajasthan. Food and feeding habits of this endangered gazelle were studied from Nov. 1999 to Oct. 2001, in two districts of semi-arid part of Rajasthan. They were found to be browsers and concentrate feeders, with a range of 63 plant species, including 56 species of wild and 7 species of crop plants in the study area. Their feeding habit changes from browser to grazer for a short span in early monsoon season. Four plants, namely Crotalaria burhia (42%), Ziziphus nummularia (15%), Maytenus emerginata (11%) and Prosopis cineraria (9%), constitute about 77% of the gazelles' total dietary requirements. They feed on all parts of these plants in different seasons. The animal was also observed to take in large amount of pods and fruits constituting 68 % of its diet as pods in its daily diet intake, of Crotalaria burhia (38.19%), Meytenus emerginatus (15.75%) and Prosopis cineraria (14.32%). Measures for the conservation of these gazelles and their largest stronghold in this part of India, to protect their habitat and reduce other detrimental activities are discussed in this paper.
- Ecology of Indian Fox Vulpes bengalensis (Shaw, 1800) in and Around Tal Chhapar Wildlife Sanctuary, Rajasthan, India
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Indian Forester, Vol 138, No 10 (2012), Pagination: 891-896Abstract
The present study deals with ecological observations on Indian fox (Vulpes bengalensis) in the Tal Chhapar Wildlife Sanctuary, Rajasthan during monsoon season that coincides with pup rearing period of this animal. Though the sanctuary holds a small population of about three breeding pairs of Indian fox, it serves as a safe breeding ground for source population of the nearby areas. The study showed if the temperature is mild and food is abundant, as on rainy days, the fox may also hunt at mid-day and show bimodal activity in the absence of large predators and any kind of other disturbances. During pup rearing season, most of the time the animal spent in sitting/resting, followed by searching for food and other minor activities. Parental care also found in this animal. Preference for particular den opening by the adults was observed for entry and exist which suggests that adults are well versed of their dens to escape from their predators. Both from food availability sampling and scat analysis, insects were found to be the main food item of this animal during the study period which shows that they are selective in their food habit in the monsoon season, as the availability of insects is all time high in these days. The basic social unit of this animal was found to be restricted to individual family level.Keywords
Ecology, Indian Fox, Tal Chhapar Wildlife Sanctaury, Rajasthan- A Note on Rediscovery of Zeuxine Strateumatica (L.) Schltr. (Orchidaceae)
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Indian Forester, Vol 139, No 2 (2013), Pagination: 180-181Abstract
No Abstract- An Updated Account of Mammal Species and Population Status of Ungulates in Keoladeo National Park, Bharatpur, Rajasthan
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1 Salim Ali Centre for Ornithology and Natural History, Anaikatty, Coimbatore 641 108, IN
2 Guru Gobind Singh Indraprastha University, University School of Environment Management, Sector 16C, Dwarka, New Delhi 110 078, IN
1 Salim Ali Centre for Ornithology and Natural History, Anaikatty, Coimbatore 641 108, IN
2 Guru Gobind Singh Indraprastha University, University School of Environment Management, Sector 16C, Dwarka, New Delhi 110 078, IN
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Current Science, Vol 113, No 01 (2017), Pagination: 103-111Abstract
This study documents the present status of mammals in Keoladeo National Park (KNP) and assesses the population structure of ungulates. It provides a comprehensive account of the mammal diversity of the park and aims to compare the change in mammalian species account ever since the park became a protected area. We employed line transect surveys for density estimation of ungulates. We report local extinction of eight species since 1966, and extant diversity of 34 mammalian species in KNP. The estimated densities of chital, feral cattle, nilgai, wild boar and sambar were 52.37, 33.66, 13.68, 3.21 and 0.32 individuals/km2 respectively. Although blackbuck has become locally extinct and sambar density has significantly reduced, chital and nilgai as habitat generalists have increased in density in the last 25 years, which has contributed to an overall increase in ungulate population density in KNP. The mammalian diversity has changed substantially with local extinction of some carnivores and constant change in the habitat condition.Keywords
Distance Sampling, Density, Local Extinction, Mammal Account, Population Dynamics, Ungulates.Full Text
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