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Plankton dynamics in a backwater estuarine canal (T.S. Canal, Thottapally), Kerala, India

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Author Affiliations

  • 1Department of Aquatic Biology and Fisheries, University of Kerala, India
  • 2Department of Aquatic Biology and Fisheries, University of Kerala, India

Res. J. Marine Sci., Volume 7, Issue (1), Pages 29-32, June,13 (2019)

Abstract

Plankton is of great ecological importance and are the primary producers in aquatic food web and the number and quality of these determine the quality of water bodies. Diversity and abundance of planktonic organisms are useful indicators of the trophic state of various water bodies. Spatial and temporal variation the diversity and abundance of plankton in the T.S. Canal, Thottapally - Alappuzha and its relation to the physicochemical parameters was studied in detail from February 2004 to January 2005. This study was thus envisaged detailed analyses through the yearly cycle, of the plankton. In T.S. Canal Chlorophyceae was the dominant phytoplankton indicating eutrophication. In T.S. Canal Oscillatoria was a dominant genus of Myxophyceae confirming organic pollution in the water body. The zooplankton in the T.S. Canal was represented by 13 groups, the dominant ones being copepods, nematodes and rotifers.

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