Surface hydrography and phytoplankton of the Brazil-Malvinas currents confluence

Ana María Gayoso; Guillermo P. Podestá

doi:10.1093/plankt/18.6.941

Surface hydrography and phytoplankton of the Brazil-Malvinas currents confluence

Ana María Gayoso, Guillermo P. Podestá

Research output: Contribution to journal › Article › peer-review

28 Scopus citations

Abstract

Results are presented on the phytoplankton species composition and abundance from bottle samples collected in September 1989 near the confluence of the Brazil and Malvinas currents off Argentina. The phytoplankton assemblages were dominated by diatoms and dinoflagellates. A surface diatom bloom was found along the west side of the Brazil Current, and was dominated by Thalassiosira delicatula Ostenfeld emend. Hasle (cell numbers up to 5.5 x 10⁵ cells l^-1). The bloom was associated with strong temperature gradients separating Brazil and Malvinas waters, and with the presence of a cycIonic eddy near the confluence of the currents. These features were detected in satellite imagery coincident with the in situ sampling dates.

Original language	English (US)
Pages (from-to)	941-951
Number of pages	11
Journal	Journal of Plankton Research
Volume	18
Issue number	6
DOIs	https://doi.org/10.1093/plankt/18.6.941
State	Published - Jun 1996
Externally published	Yes

ASJC Scopus subject areas

Ecology, Evolution, Behavior and Systematics
Aquatic Science
Ecology

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