Free Content A Study of Phytoplankton in the Lesser Antilles Region

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In a marine biological survey of the Antillean region between Puerto Rico and Trinidad, 205 species of net phytoplankton were identified. Benthic organisms were more often observed at “downstream” stations near islands, where chlorophyll values averaged 0.38 mg m−3 at 16 stations as compared with an average of 0.11 mg m−3 at 30 “upstream” stations. Growth of phytoplankton was generally limited by low nutrients (average nitrate 0.18 µg-at l−1 and phosphate 0.08 µg-at l−1 at surface stations) in the thermally stratified 120-meter photic zone. More abundant phytoplankton and nutrients near Trinidad are apparently related to land drainage and strong westerly currents.

Document Type: Research Article

Publication date: June 1, 1970

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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