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  • 1965-1969  (2)
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  • 1
    Publication Date: 2022-08-03
    Description: During the expedition of R.V. "Meteor" to the Indian Ocean 21 species of marine algae and 2 phanerograms were collected on the Sarso islands. A littoral zone (in the botanical sense) and three sublittoral zones could be diffentiated by means of the algae. Of these the most conspicuous is the Sargassum-Turbinaria belt. A small strip of Avicennia mangrove was observed. The collected marine plants belong to 5 types of geographical distribution which indicate the origin of the flora from the Indian Ocean.
    Type: Article , PeerReviewed
    Format: text
    Location Call Number Limitation Availability
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  • 2
    Publication Date: 2022-08-02
    Description: A phytoplankton net is described with which samples from six different depth zones can be obtained by a single vertical haul. The closing net is released by an electromagnet through single conductor wire (220 V D.C.). On a revolving disc which is driven by a spring, there are six buckets which are successively brought before the net opening. The parts made of bolting silk can be exchanged, the entrance opening can be reduced. The apparatus is independent from depth by means of pressure compensation.
    Type: Article , PeerReviewed
    Format: text
    Location Call Number Limitation Availability
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