Seasonal variations of physico-chemical parameters in Shirgaon estuary of Ratnagiri, Maharashtra

Abstract

The present study was undertaken to study the relation of physico-chemical water parameters of five sampling stations of Shirgaon estuary along the Ratnagiri coast from February 2013 to January 2014. Variation in atmospheric temperature 17.9-39.7 0C, water temperature 19.7 -35.1 0C, pH varied from 5.3-8.1, light penetration varied from 1-24 cm, salinity varied from 0-28.7 psu, dissolved oxygen varied from 0.4-4.8 mgl-1, alkalinity varied from 3-80mgl-1, nitrate varied from 0.000323-0.00154 µMl-1, nitrite varied from0.000052-0.000208 µMl-1, phosphate varied from 0.00253-0.000515 µMl-1, silicate varied from 0.00129-0.000503 µMl-1.