Study of Sediment for Nutrient Enrichment of Gundolav Lake, Kishangarh (Ajmer), Rajasthan

Sediment plays an important role in influencing water quality, biota, and organic productivity. In an aquatic ecosystem, the analysis of sediment for physico-chemical characteristics is necessary for judging the relationship between water and sediment with respect to various properties. Gundolav is an important fresh-water lake of Kishangarh city because of its location in the heart of the city and its multifold pressure. Sediment act as store-house of nutrients for the overlying water and help in mineralization of organic matter, absorption, and release of nutrient into the water. The pH ranged from 7.66 to 9.13 units, specific conductivity (ranging 187.84 - 2536.26 µmho/cm), and total alkalinity (ranging 135.77 - 286.32 mg/l). The nitrate value fluctuated between 3.94-7.34 mg/l. The nature of the catchment area and the influence of human activities at station IV marks the high values of various physico-chemical parameters of sediments at this station. The data indicate that sediments at all stations have almost the same trend in the concentration of various elements.