Department of Education, T.P Verma College, Narkatiaganj, West Champaran, Bihar, India
Received : 15th January, 2020 ; Revised : 26th February, 2020
Abstract: Although, the Matashya Beez Prachhetra water body of Dighra, Muzaffarpur is a fresh water low dimension pond used for fisheries yet its profile of planktonic composition has not been looked into so far. The planktonic composition of any water body is made up of both phytoplanktons which are the members of autotrophic group & zooplanktons as members of heterotrophic group of organisms. They construct the fundamental biotic framework upon which higher order organization of aquatic plants & animals rest. One way or the other, the planktons behave as food resource for the higher order fauna like annelids, mollusks, amphibians & fishes. They are also indicators of pollution
level in the water body & hence treated as bioindicators. In the present investigation, the profile of phytoplanktons has been developed from the microscopic examination of stirred or agitated water samples in the laboratory under high resolution microscope & the numbers have been counted with Sedgewick Rafter plankton counter slide. Water samples have been randomly but punctually taken from different corners & mid points of the pond. For collection of phytoplanktons, special mesh of 50-80 µm size plankton net has been used. As many as three species Chrysophytes, three Chlorophytes (green algae), two Cyanophytes & have been isolated from these water samples as phytoplanktons.
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