Pollution Research Paper

Vol 39, Issue 1, 2020; Page No.(162-171 )

SHRIMP CULTURE AND CHANGING WATER QUALITY IN DELTAICTAIL END OF CAUVERY RIVER, NAGAPATTINAM DISTRICT, TAMILNADU, INDIA

N. RAVISANKAR AND N. NAGARAJAN

Abstract

Shrimp culture is a highly profitable venture in India. Also, it has increased the availability of nutritive food for the growing population. Designing of spatial modeling of various impact zonesin various block of Nagapattinam district, Tamilnadu, India with the help of GIS software and study their implications. To analyze the sociological impact associated with Shrimp culture farms in various blocks of Nagapattinam district. The study area comprises of profile of Nagapattinam district, Meteorological Information, Details of Hydrology, Geology, Hydrogeology, the current circumstances of Ground water quality scenario and maps of Village boundaries of various blocks of Nagapattinam district. Database comprises of primary and secondary data which are being collected from the study area and various government organizations. In this study, the groundwater samples and pond water samples from different locations of the study area of Nagapattinam district, Tamilnadu were collected during pre-monsoon and post-monsoon periods and their chemical parameters were analyzed. The GIS-Kriging interpolation techniques were employed to understand the spatial-temporal variability of water quality parameters. The type and intensity of damage due to seepage of saline water from the ponds into the natural system making un suitableness for irrigation and drinking water system is deeply analyzed in the study area.

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