The distribution of chlorophyll 'a' and 'b' in the Arabian Sea along the west coast of India from Cape Comorin to Veraval in the 40-200rn depth contour, in a single cruise of FORV Sag-- Sampada (Cruise no. 177) was studied, covering 58 st 5ng the post monsoon period October-November, 1999. Data on nitrates and ph were also collected along wind chlorophylls. The results indicated that the coastal waters along the south west coast of India are more productive than the waters along the north west coast during the post monsoon period. Earlier observations on chlorophylls and nutrients from eastern Arabian Sea are a1 briefly discussed.

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