Seasonal variations in the physico-chemical and biological characteristics of the Eastern Arabian Sea

Pillai, V N and Pillai, V K and Gopinathan, C P and Nandakumar, A (2000) Seasonal variations in the physico-chemical and biological characteristics of the Eastern Arabian Sea. Journal of the Marine Biological Association of India, 42 (1 & 2). pp. 1-21.

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Abstract

The entire area along the west coast of India, between Cape Comorin and Kandla within the EEZ was covered in six research cruises of FORV Sagar Sampada, 2 each in pre-monsoon, monsoon and post-monsoon periods during 1991-93. Data on the physical, chemical and bio- logical parameters were collected at every station (one degree square) from surface to maximum depth of 500 m by using Rosette samplers along with CTD Unit. The results of the investigations indicated definite fluctuations in the physico-chemical and biological features in different seasons. The influence of physico-chemical features on primary production in terms of chlorophyll a and other relevant observations made by earlier workers were compared and briefly discussed in order to get a comprehensive picture of the characterestics of the waters in different seasons in the eastern Arabian Sea.

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