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A Note on the Intertidal Lichen Lichina Pygmaea Ag.

Published online by Cambridge University Press:  11 May 2009

A. D. Boney
A. D. Boney
Affiliation:
Department of Chemistry and Biology, Plymouth Technical College
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Extract

Lichina pygmaea failed to recolonize areas cleared from within the lichen ‘mats’ after four years. A retrogression of the lichen was observed in some instances over periods of 5–7 years. A complex of factors governs the size reached by a lichen tuft; more rapid growth occurs in regions where there is some moisture retention during tidal periods. Although changes occurred with individual ‘patches’ of lichen, the total Lichina cover on a rocky surface remained much the same over a 7-year period.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 41 , Issue 1 , February 1961 , pp. 123 - 126
Copyright
Copyright © Marine Biological Association of the United Kingdom 1961

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