PhD Theses (WII)
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Item Assessment of hydrologic functional and water budget of Keoladeo National Park watershed.(2007) Singh, Ritu; Choudhury, B.C.Keoladeo National Park (KNP) is situated in the plains of Bharatpur (27°7'6"N - 27°12'2"N and 77°29'5"E - 77°33'9" E), Rajasthan, India. It is considered to be the last remaining grassland- wetland complex in the Yamuna floodplains in this region. The wetland Protected Area CPA), located in the semi-arid tract of India is largely dependent on the erratic and short duration of the precipitation time. To enhance the wet characteristics of the protected area, additional water supply provisioning has historically been made from other large water harvesting structures within its watershed. However, due to the development of intense agriculture in the watershed and increased or incessant harvesting of surface water flow in the river systems and catchment combined together, the protected area is facing an acute water problem gradually decreasing the wet regime of its wetlands, this is also further diminishing its functional values. In case of KNP, as it is located in semi-arid region and fed by ephemeral rivers, the affects of water crisis are acute as well as immediate in the Park. Further, the wetlands of KNP perform several important hydrological functions like groundwater recharge that have value not only for sustaining the ecology of the region but also for the surrounding villagers in the area in providing water for irrigation. These functions and values of the national park need to be highlighted. The present study is an assessment of the current situation of hydrological regime of KNP and the watershed. Objectives The main goals of the study are: • to ascertain water budget of the Keoladeo National Park, • to identify hydrological functions of the Keoladeo National Park wetland based on Hydrogeomorphic approach, • to assess the functional value of the wetland and its role in maintaining water table and contributing to quality and quality of groundwater in areas adjacent to the Keoladeo National Park • to know the impact of the hydrological regime on the biodiversity of the Keoladeo National ParkItem Impact of land use changes on the habitat, bahaviour and breeding biology of Indian Sarus Crane (Grus antigone antigone) in the semi-arid tract of Rajasthan, India.(Wildlife Institute of India, Dehradun, 2007) Kaur, Jatinder; Choudhury, B.C.The Sarus Crane has been recorded all over the northern India and central region of the Indian sub-continent historically. However, this once abundant tallest flying bird species has now become threatened. The present study was undertaken during the year 2000-2002 to i) to determine the habitat use, breeding biology and behavioural ecology of the Sarus Crane in the semi-arid tract of Kota, and Bharatpur in Rajasthan, and ii) to determine the changes in land-use and its impact on Sarus Crane in the semi-arid landscape and to suggest the conservation strategies for the long-term survival of Sarus Crane. The study was conducted in the semi arid tract of Kota, and Bharatpur districts of Rajasthan. District Kota, the first intensive site falls under arid Zone V (the humid south-eastern humid plain zone,) where the development of canal irrigation has made this area rich in agricultural production. The population of Sarus Crane in Kota are dependent mainly on the canal system induced and other natural wetlands. Data on distribution and habitat utilization of Sarus Crane in Kota and in Keoladeo Ghana National Park were carried out