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Malcofaunal Diversity of Chilika Lake,Odisha, India
Authors:Debasish Mahapatro  Ramachandra Panigrahy  Sudarsan Panda  Rajani Kanta Mishra
Affiliation:1.Department of Marine Science,Berhampur University,Berhampur, Ganjam,India;2.Regional CCF,Angul,India;3.National Centre for Antarctic and Ocean Research (NCAOR), MoES,Goa,India
Abstract:Investigation during the period of 3 years from 2007 to 2010 on the malacofauna of Chilika lake revealed the occurrence of 126 molluscan taxa belonging to 56 families, 18 orders of three classes in the bottom sediment. Of these 61 species belonged to Bivalvia, 64 species belonged to Gastropoda and one species belonged to Polyplacophora. Maximum Bivalvia and Gastropoda taxa were found in the outer channel region of the lake. The dominating species were Crassostrea cuttackensis, Saccostrea cucullata, Brachidontes undulatus, Meretrix meretrix among bivalves and Cerethideopsilla cingulata, Bullia vittata, Nassarious stolatus, Indothias lacera, Natica tigrina, Turritella attenuata were from the gastropods. Occurrence of a large number of marine taxa is most probably associated with the opening of new lagoon during 1st August 2008.
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