Influence of physico - chemical factors on fish productivty at kasar sai dam, Pune.

Author(s): Bhalerao S. N.

Abstract

In the present study, attempts have been made to understand the influence on fish productivity due to changes in the physico-chemical characteristics of the Kasar Sai Dam, constructed mainly for irrigation purposes at Kusgaon, near Hinjewadi, Pune (Maharashtra). The study was conducted from the month of December 2009 till the month of October 2011. The observations were carried out at every alternate month for better understanding. The influence of various physico-chemical parameters, such as water temperature, pH, dissolved oxygen, alkalinity, chlorides and suspended solids on the fish productivity with respect to seasonal variations were observed. The Plankton availability was also recorded. The study was aimed to improve the fish productivity so that the natives can be benefitted. The outcomes of this study were tabulated and analyzed to improve the water quality and fish production.

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