Journal
ESTUARINE COASTAL AND SHELF SCIENCE
Volume 69, Issue 1-2, Pages 189-195Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ecss.2006.04.006
Keywords
phytoplankton; prymnesiophytes; pigment; chlorophyll; zeaxanthin; picoplankton; west coast of India; Arabian Sea
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Phytoplankton composition and abundance were studied along the southwestern Indian coast toward the end of the upwelling season in October 2004. Phytoplankton pigment analyses, complemented by limited microscopic counts, were carried out to determine the community structure. Chlorophyll a was the most abundant of all pigments, followed by fucoxanthin. Zeaxanthin was abundantly found in the southern part of the study region (off Trivandrum), whereas fucoxanthin was the dominant marker pigment in the north (off Goa). The infer-red shift in the community structure from a dominant picoplankton fraction and Prymnesiophytes to diatom-dominated microplankton toward the north is ascribed to differences in the physico-chemical environment. (c) 2006 Elsevier Ltd. All rights reserved.
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