Keoladeo National Park is situated in eastern Rajasthan, the park is 2 km south-east of Bharatpur and 50 km west of Agra. The area consists of a flat patchwork of marshes in the Gangetic plain, artificially created in the 1850s and maintained ever since by a system of canals, sluices and dykes. Normally, water is fed into the marshes twice a year from inundations of the Gambira and Banganga rivers, which are impounded on arable land by means of an artificial dam called Ajan Bund, to the south of the park. The first time, usually in mid-July, is soon after the onset of the monsoon and the second time is in late September or October when Ajan Bund is drained ready for cultivation in winter.
Keoladeo Monsoon
Thus, the area is flooded to a depth of 1-2 m throughout the monsoon (July-September), after which the water level drops. From February onwards the land begins to dry out and by June only some water remains. For much of the year the area of wetland is only 1,000 ha. Soils are predominantly alluvial - some clay has formed as a result of the periodic inundations. In a semi-arid biotype, the park is the only area with much vegetation, hence the term 'Ghana' meaning 'thicket'.The principal vegetation types are tropical dry deciduous forest, intermixed with dry grassland in areas where forest has been degraded. Apart from the artificially managed marshes, much of the area is covered by medium-sized trees and shrubs. Forests, mostly in the north-east of the park, are dominated by kalam or kadam, jamun and babul. The open woodland is mostly babul with a small amount of kandi and ber. Scrublands are dominated by ber and kair. The aquatic vegetation is rich in species and is a valuable source of food for waterfowl.
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