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Abstract During January 1989, phytoplankton biomass and species composition were studied in a north/south transect at the Weddell/Scotia Confluence (47W), between 57 and 6130S. Results showed a diatom bloom in the Scotia Sea (chlorophyll a 1.9 g l1, particulate organic carbon 239gl1), dominated by Fragilariopsis cylindrus, Dactyliosolen antarcticus and Chaetoceros dichaeta. Low chlorophyll a/phaeopigments...
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