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Spatial variation of phytoplankton pigments along the southwest coast of India

机译：印度西南海岸浮游植物色素的空间变化

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摘要

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 inferred 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.
机译：在2004年10月上升季节快结束时，研究了印度西南沿海沿岸浮游植物的组成和丰度。对浮游植物色素进行了分析，并辅以有限的显微镜计数，以确定群落结构。叶绿素a是所有色素中含量最高的，其次是岩藻黄质。玉米黄质在研究区域的南部（特里凡得琅附近）大量发现，而岩藻黄质是北部（果阿附近）的主要标记色素。群落结构从主要的微微浮游生物级分和浮游植物向硅藻为主的微浮游生物向北移动的原因是物理化学环境的差异。

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