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Geochemical Control of Saxicolous Lichen Communities on the Creggaun Gabbro, Letterfrack, Co. Gal Way, Western Ireland

Published online by Cambridge University Press:  28 March 2007

A. P. Boyle ,
P. M. McCarthy  and
D. Stewart
A. P. Boyle
Affiliation:
Department of Geological Sciences, University of Liverpool, Brownlow Street, P.O. Box 147, Liverpool L69 3BX, U.K.
P. M. McCarthy
Affiliation:
Department of Botany, University College, Galway, Ireland
D. Stewart
Affiliation:
MATSEL Systems Ltd, Cunard Buildings, Liverpool, UK
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Abstract

The lichen vegetation on exposures of gabbro near Letterfrack, Co. Galway, western Ireland is described. Species abundance and vigour relate primarily to the geochemical composition of the gabbro substratum rather than to microclimatic factors. Lichens may be useful as geochemical indicators when mapping rocks with similar textures and mineralogies.

Type
Research Article
Information
The Lichenologist , Volume 19 , Issue 3 , July 1987 , pp. 307 - 317
Copyright
Copyright © British Lichen Society 1987

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