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Assessment of water quality and phytoplankton diversity of Purbasthali Oxbow Lake, West Bengal, India

Author Affiliations

  • 1Department of Environmental Science, Nabadwip Vidyasagar College, Nabadwip, Nadia-741302, West Bengal, India

Int. Res. J. Environment Sci., Volume 6, Issue (5), Pages 13-16, May,22 (2017)

Abstract

The present study deals with the study of water quality and phytoplankton diversity at Purbasthali Oxbow Lake (23°27\\\'5\\\"N 88°20\\\'35\\\"E), West Bengal, India. Collected samples were analyzed according to APHA (1998) for different physicochemical parameters and such as water temperature, pH, turbidity, alkalinity, total dissolved solids, total hardness, chlorides, phosphate, nitrates, dissolved oxygen and biological oxygen demand for a period of three year from January 2013 to December 2016. The results indicated that physicochemical parameters of the water were within the permissible limits and can be used for domestic, irrigation and pisciculture. The present study revealed the presence of 35 species of phytoplankton’s, in which 5 species of cyanophycee and 20 species of chlorophyceae and 10 species of bacillariophyceae. The high relative abundance of chlorophyta is an indicator of productive water ecosystem.

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