Plankton of the Florida Current.
I. General Conditions
Abstract:The hydrography and plankton of the Florida current off Miami were studied from June 1950 to February 1952. At the standard station occupied, T-S curves indicated that the surface waters on the Miami side of the current were predominantly of Yucatan Channel origin in the autumn-winter, and of Gulf of Mexico origin in spring-summer. There were temporary fluctuations, and on two occasions a third water mass of untraced origin occurred. Water mass changes were sufficient to mask any seasonal changes in temperature or nutrient salts, and the depth of the 15°C. isotherm proved an even better index of water mass than the T-S curve. The phytoplankton concentration generally followed that of nutrients, while that of zooplankton was more complex. An extremely high ratio of filterable nannoplankton to net-caught phytoplankton was found to be typical throughout the period. Fuller reports on the plankton will appear in later papers in this series.
Document Type: Research Article
Publication date: January 1, 1952
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