Factors influencing the gas composition in the vesicles of Sargassum |
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| Authors: | H. Hurka |
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| Affiliation: | (1) Present address: Institut für Biologie der Universität Tübingen (Lehrbereich Spezielle Botanik), Tübingen, Germany (FRG) |
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| Abstract: | The composition of gas in the vesicles of Sargassum cf. leptopodumSonder has been investigated. The oxygen content depends upon the oxygen partial pressure of the surrounding medium. It does not depend upon the photosynthetic activity of the vesicle. Evidence is provided that the lower limit of the vertical distribution zone of Sargassum cf. leptopodumSonder is not controlled by the vesicles' capability of resisting hydrostatic pressure. |
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