Abstract
THE recognized importance of the study of plankton distribution in relation to marine hydrography has called forth a number of intensive investigations in recent years. Three reports* dealing with the distribution of the dinoflagellate genus Ceratium are of special interest in this connexion owing to the widespread representation of this genus in all oceans. The important conclusions reached by Graham and Bronikovsky from the examination of the Ceratium material gathered during the last cruise of the Carnegie in 1928–29 are briefly summarized in the following paragraphs. The survey deals not only with wide areas of the Pacific, but also with the North Atlantic; and, on the basis of the Ceratium floras, five regions are distinguished, namely, cold North Atlantic, warm Atlantic, cold North Pacific, warm Pacific and south-east Pacific. These regions are also characterized hydrographically.
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FRITSCH, F. Ceratium and Marine Hydrography. Nature 156, 181–182 (1945). https://doi.org/10.1038/156181a0
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DOI: https://doi.org/10.1038/156181a0