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A study of the diatoms of the Ouse Estuary, Sussex I. The movement of the mud-flat diatoms in response to some chemical and physical changes

Published online by Cambridge University Press:  11 May 2009

J. Trevor Hopkins
J. Trevor Hopkins
Affiliation:
2 Valley Road, Newhaven, Sussex
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Extract

The analysis shows that the diatom community resides mainly in the top 2 mm of the mud and when in bright light the community moves less than 1 mm towards the surface of the estuarine mud, although the colour of the mud changes noticeably.

The fine mud supports more diatoms than the coarse mud, and the community in fine mud is nearer to the mud surface, but this is probably caused by the more rapid extinction of light in fine mud than in the coarse mud, while also large spaces between the coarse mud particles may offer less protection from the effect of tidal scour than in fine mud, this giving contributory explanation for the less abundant community in coarse mud.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 43 , Issue 3 , November 1963 , pp. 653 - 663
Copyright
Copyright © Marine Biological Association of the United Kingdom 1963

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References

Aleem, A. A., 1950a. Distribution and ecology of British marine littoral diatoms. J. Ecol., Vol. 38, pp. 75–106.CrossRefGoogle Scholar
Aleem, A. A., 1950b. The diatom community inhabiting the mud-flats at Whitstable. New Phytol., Vol. 49, pp. 174–88.Google Scholar
Hendey, N. I., 1954. A preliminary check list of British marine diatoms. J. mar. biol. Ass. U.K., Vol. 33, pp. 537–59.CrossRefGoogle Scholar
Thresh, J. C., Beale, J. F. & Suckling, E. V., 1949. The Examination of Water and Water Supplies, 6th ed., ed. by Taylor, E. W.. London: Churchill.Google Scholar