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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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    Abstract - Issue Nov 2012, 33 (6)                                     Back


nstantaneous and historical temperature effects on a-pinene

Copepod population in Vellar estuary, Parangipettai coast in relation to environmental conditions

 

Author Details

 

P. Santhanam

(Corresponding author)

Department of Marine Science, School of Marine Sciences, Bharathidasan University,

Tiruchirappalli-620 024, India

e-mail: sanplankton@yahoo.co.in

P. Perumal

Department of Biotechnology, Periyar University,  Salem-620 011, India

S. Ananth

Department of Marine Science, School of Marine Sciences, Bharathidasan University,

Tiruchirappalli-620 024, India

A. Shenbaga Devi

Department of Marine Science, School of Marine Sciences, Bharathidasan University,

Tiruchirappalli-620 024, India

 

 

Publication Data

Paper received:

28 January 2011

 

Revised received:

03 July 2011

 

Accepted:

06 August 2011

 

Abstract

Distribution and abundance of copepods were studied in relation to environmental conditions at two different ecosystems viz:  Neritic (Bay of Bengal) and estuarine (Vellar estuary) of Parangipettai coast from September, 1998 to August, 2000. Over the study period, total 85 species of copepods were reported. Among these, the calanoid copepods constituted the major component with 63.52% followed by cyclopoids (29.41%) and harpacticoids (7.05%). The copepods population density was found to be high (2, 53, 000 org l-1) in estuarine water, while the species diversity was higher (5.47) in neritic water. The observed spatio-temporal variations in the population density and species diversity of copepods were more related to the environmental state of respective study area.   

                                                                                     

Key words

Bay of Bengal, Vellar estuary, Nutrients, Copepods, Diversity

 

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