Water Quality Evaluation and Phytoplankton Diversity of Hosahalli Pond, Shivamogga, Karnataka (India)

Author(s): H. A. Sayeswara, Mahesh Anand Goudar and R. Manjunatha

The physico-chemical parameters and planktonic composition of Hosahalli pond were studied for a period of twelve months from January to December 2010. The estimated water quality parameters were compared with the standard values prescribed by the Bureau of Indian Standards (BIS) and World Health Organization (WHO). The results of physico-chemical analysis revealed that water is polluted as it possesses high BOD, free CO 2 and phosphate. Conclusively these parameters along with other physico- chemical characteristics were found to be affected by surface run-off and other excessive human activities. A total of 60 species belonging to 43 genera of phytoplanktons were recorded, of which chlorophycean and diatoms were found to be dominant among four classes. Eleven zooplanktons were identified.

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