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International Journal of Zoology and Applied Biosciences Research Article

Seasonal variations of zooplankton diversity in Muthupet estuary, South East Coast of India

Kothandapani, S., Sukumaran, M. and Muthukumaravel, K.

Year : 2016 | Volume: 1 | Issue: 5 | Pages: 213-220

doi: https://doi.org/10.5281/zenodo.1310642

Received on: 07/13/2016

Revised on: 08/28/2016

Accepted on: 08/29/2016

Published on: 10/20/2016

  • Kothandapani, S., Sukumaran, M. and Muthukumaravel, K.( 2016).

    Seasonal variations of zooplankton diversity in Muthupet estuary, South East Coast of India

    . International Journal of Zoology and Applied Biosciences, 1( 5), 213-220.

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Abstract

The seasonal variations of primary and net production were studied during July 2014 to June 2015 in Muthupet mangroves (Lat.10° 46' N; Long.79° 51’E ) south east coast of India. Throughout the study period, a total of 17 species of zooplankton in Muthupet estuary were identified. The copepods constituted the major component of the zooplankton population throughout the study period. The cladocerans like Daphina sp. and Monia sp. were recorded during the monsoon and post monsoon periods in Muthupet estuary. In the present study, Acrocalanus gracilis, Acartia kempi, Microstella sp., Paracalanus parvus, Tintinnopsis phillipensis. T.tocannitinensis. Daphina sp., Monia sp., Brachionus sp., Keretella, Lucifer hanseni, nauplii of copepods, veliger of gastropods, zoea of crabs, eggs of fishes, Acaratia erthrea and Dictyocysta eseshaiyai were found in Muthupet estuary. The population density in Muthupet estuary ranged from a minimum of 8690 individuals/m3 in November 2014 to the maximum of 79950 individuals/m3 in June 2015. Annual average population densities of zooplankton were higher in Muthupet estuary. In general, the seasonal mean population density was maximum during summer and pre monsoon periods. Minimum population density was found during monsoon period. 

Keywords

Seasonal variations, Zooplankton, Diversity, Muthupet estuary.

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    © The Author(s) 2025. This article is published by International Journal of Zoology and Applied Biosciences under the terms of the Creative Commons Attribution 4.0 International License (creativecommons.org), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.