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Free Content Methods of Collecting Net Plankton from a Series of Known Depths Through the Water Column

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The equipment and procedures used in a survey of the zooplankton of the Caribbean Sea are described. Opening-and-closing modified “Discovery” nets were towed horizontally in series to sample multiple levels of the water column. An electronic wire-angle indicator was devised by the authors to assist ship's officers in maintaining a relatively constant angle of the hydrowire at the surface and thus contributing to accuracy in sampling selected depths.

Document Type: Research Article

Publication date: December 1, 1969

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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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