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Studies on the Physico-chemical Characteristic and Nutrients in the Uppanar Estuary of Cuddalore, South East Coast of India

並列摘要


The Uppanar estuary runs behind the SIPCOT complex which is located at Cuddalore. As the estuary receives the treated and partially treated effluents from nearly 55 industries and it is said to be highly polluted. The present study was carried out to find out the changes of physicochemical parameters in two stations in Uppanar estuary. Among the various parameters, temperature was high in station-II, it was low in station-I. This may be due to the effluents discharged from SIPCOT complex in station II. The pH showed greater variation from 6.2 to 7.9 in both the stations due to irregular treatment of the effluents reloaded into the estuary. The dissolved oxygen concentrations found to be lower and salinity was higher in lower reaches. The total dissolved solids, calcium, total phosphorus content, nitrite and ammonia was found to be higher in the station-II than in station I.

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