Large-Scale Plankton Culture


THE new Oceanographic Institute which Göteborg's Vetenskaps- och Vitterhetssamhälle owes to the munificence of the late Mr. K. A. Wallenberg is provided with a vertical plankton shaft, two metres in diameter and twelve metres deep, which affords facilities for culture experiments on a fairly large scale. Sea water is passed through a sand filter and sterilized by a powerful quartz lamp before entering the shaft from below. It is cooled by means of a refrigerating plant which sends cold brine to two systems of cooling coils, one near the top, the other halfway down the shaft. The illumination plant consists of two mercury lamps of 50,000 lumen each and four sodium lamps of 10,000 lumen, mounted under a large reflector.

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    NATURE, 137, 68 (1936).

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PETTERSSON, H., GROSS, F. & KOCZY, F. Large-Scale Plankton Culture. Nature 144, 332–333 (1939).

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