Seasonal variation of aquatic diversity of a lotic ecosystem – A case study of River Churni, West Bengal

Publication Date : 03/07/2016


Author(s) :

Avijit Bakshi , Prof. Ashis Kumar Panigrahi , Anandamoy Mondal.


Volume/Issue :
Volume 2
,
Issue 7
(07 - 2016)



Abstract :

Biodiversity of any aquatic body indicates its productivity and its ecological health. Both lotic and lentic aquatic systems of the World are now reported to be threatened by several environmental hazards like pollution, over exploitation etc causing loss to the biodiversity. River Churni is not an exception to this. The river is under the threats of pollution from diffused sources. The total diversity of fish, phytoplankton, zooplankton, macrophytes, emergent are studied during the survey. The studies have revealed that the river is much more affected by pollution in its upstream rather than middle and lower part. Further, it can be concluded that absence of immediate and prompt initiatives can be make the river diversity more vulnerable in near future. Keywords: Diversity, Fish, Phytoplankton, Zooplankton, Macrophytes, River Churni, Lotic aquatic system.


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