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Aspects Of the biology of Laminaria hyperborea I. vertical distribution

Published online by Cambridge University Press:  11 May 2009

Joanna M. Kain
Joanna M. Kain
Affiliation:
Marine Biological Station, Port Erin, Isle of Man
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Summary

Profiles of bottoms near the shore of the Isle of Man and two areas of Scotland are described, together with the vertical distribution of species of Laminariaceae. Laminaria digitata dominates over a narrow zone near lowwater springs. Unstable bottoms, providing they are sheltered enough to be habitable, support mainly L. saccharina. Stable bottoms of either boulders or solid rock support L. saccharina when sheltered (by topography or depth) from wave action and L. hyperborea when exposed. Near Port Erin, Isle of Man, the downward penetration of L. hyperborea on exposed rocks and boulders is limited by an as yet unknown factor which might possibly be associated with a slope of more than to the horizontal.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 42 , Issue 2 , June 1962 , pp. 377 - 385
Copyright
Copyright © Marine Biological Association of the United Kingdom 1962

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