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Free Content Results of Hydrographic and Chemical Investigations in the Region of the “Red Tide” Bloom on the West Coast of Florida in November 1952

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Eleven hydrographic stations were occupied in the Gymnodinium bloom area off Fort Myers, Florida, in November 1952. These data provide the basis for a three-dimensional description of the hydrographic environment where the phenomenon occurred.

The current pattern in the area of study was more complex than is generally thought. There was eddying motion which appears to be seasonal in character.

Regions of maximum total phosphorus were found to coincide with water of Gulf origin, while water with greater river influence contained regions of minimum total phosphorus. This pattern implies that the increased phosphorus content probably came from the open Gulf.

The total phosphorus changed slowly with depth in a slanting water column, and areas of definite Gymnodinium bloom, while high in total phosphorus, did not coincide with areas of maximum observed total phosphorus which was some ten times the normal value.

Three mechanisms capable of effecting the observed total phosphorus pattern are given. No proven explanation of the causes of the recurrent plankton blooms is as yet available.

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Document Type: Research Article

Publication date: 1952-01-01

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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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