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Effect of physico-chemical parameters on species biodiversity with special reference to the phytoplankton from Mushahariya chour, Madhepura, Bihar

Arvind Kumar Bharti* & Arvind Kumar
Department of Zoology, B.N.M.V College, Madhepura, Bihar, India
Received : 29th June, 2022 ; Revised : 30th July, 2022

Abstract– A study has been conducted on physic-chemical parameters of Mushahariya chour, Madhepura, Bihar in from September 2019 to August 2021. The water quality parameters (Temperature, Dissolved oxygen, free carbondioxide, total hardness, Total alkalinity , Nitrate, Phosphate and pH) were found in the limits suggested for aquaculture practices. In the present study, 50 genera of phytoplankton were identified, of which 24 genera of Chlorophyceae, 12 genera of Bacillariophyceae, 11 genera of Cyan, two genera of Euglenophyceae and one genera of Dinophyceae. The phytoplankton abundance shows a sharp increase from January to April (pre-monsoon), with Chlorophyceae the most dominant group and Euglenophyceae as the least prevalent. A positive correlation was noticed between temperature and phytoplankton. The present study’s findings show that the water quality of chour is very fertile for aquaculture practices. The results of this study will serve as baseline data for further investigations.

Key words: Physicochemical parameters, Phytoplankton, Mushahariya chour

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