Abstract
PHYTOPLANKTON of the North Sea is being investigated very thoroughly by examination of the continuous plankton records collected by the Oceanographical Department in the University of Hull. Earlier results were published in the Department's Bulletin in 1940 (for the years 1932-37), and the Diatoms for 1938-39, corresponding to the present part, in 1941. The distribution of the Dino-flagellates and Phæocystis in general provides further evidence of the points made in the preceding diatom paper. A picture has gradually been growing of the distribution of the phytoplankton in the area investigated, at first only in the north, later in the central and southern North Sea. Six extra steamship lines were run monthly: from Hull to Oslo, from Leith to Hamburg, Copenhagen and Lerwick, and from Pentland Firth to Hamburg and Bergen. In addition, records were obtained from the Faeroe Shetland Channel in 1939, the route crossing the southern entrance to the Faeroe-Shetland Channel and stopping some hundred miles past the Faeroe Bank. It is most unfortunate that all these valuable activities have necessarily been stopped by the War.
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PLANKTON OF THE NORTH SEA*. Nature 150, 555–556 (1942). https://doi.org/10.1038/150555b0
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DOI: https://doi.org/10.1038/150555b0