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Keoladeo National Park (KNP) is a 29 km2 area situated on the extreme western edge of the Gangetic basin that was once confluence of Rivers Gambhir and Banganga in Bharatpur district in the State of Rajasthan. KNP is part of the Indo Gangetic plain with elevations ranging from 173-176 meters above sea level. The major submersible area is around 8.5 square kilometer. The physicochemical parameters of KNP’s water samples were analyzed for a period of three year
from May 2006 to April 2009. The water samples collected were analyzed, as per standard methods. Parameters such as pH, inorganic phosphate, organic carbon, total nitrogen, sodium, potassium and calcium were measured. Statistical analysis was done with the help of Graph pad prism Software. All the results were shown as Mean ± SEM. Values were statistically significant at P< 0.05 and P<0.0001.