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Study of plankton diversity of Konar dam, Hazaribagh, Jharkhand, India

Shalini Kamala, Rajesh Guptab& A.C.Goraia

aEcological Research Laboratory, R.S.P.(P.G) College, Jharia, Dhanbad (V.B.U.Hazaribagh) India

 bJ.J.Degree College, Mihijam, S.K.M.University, Dumka, Jharkhand, India

Received: 13th January, 2017 ; Revised : 27th February, 2017

Abstract :- Konar is a tributary of river Damodar, one of the easternmost tributaries of river Ganga. The present work was carried out during the year 2012 on the master dam of Hazaribagh district in the state of Jharkhand. Planktonic organism is known to reach to different types of water pollutants. Analysis of data reveals that monthly abundance of the Zooplanktons was highest in the months of September during the period of observation. The most dominant group was copepods among zooplankton. High rotifers populations in certain months indicate pollution from organic matter due to direct entry of untreated domestic sewage from catchment area. The maximum and minimum diversity (D) were found in the month of April 2012 as is evident that community existing here is moderately stable. The winter population maxima of copepods in the present study can be attributed to favourable temperature and availability of abundance of food in the form of bacteria, nano-plankton and suspended detriters.

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