Manisha* & Arun Kumar
University Department of Zoology, B.N. Mandal University, Madhepura, Bihar, India
Received : 13th May, 2024 ; Revised : 15th June, 2024
DOI:-https://doi.org/10.5281/zenodo.15083789
Abstract– Zooplanktons play very important role in aquatic ecosystem. Their diversity and density are the indicators of water quality and physicochemical parameters of water. In the present study, diversity and density of zooplanktons were examined in Doura chour of Madhepura district during July-23 to December-23. Altogether, 13 genera of zooplanktons were identified out of which 6 belongs to Rotifera, 5 belong to Cladocera and 2 belong to Copepoda. Rotifera was dominant followed by Cladocera. Maximum density of zooplanktons was observed during the month of Aug and minimum in the month of July. Population density during six month was recorded as 178 ind/l for Rotifera, 131 ind/l for Cladocera and 61 ind/l for Copepoda. Percentage density of Rotifera, Cladocera and Copepoda was observed as 48.108%, 35.405% and 16.486% respectively.
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