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The Epiphytic Lichen Flora on Conifers in Relation to Climate in the Finnish Middle Boreal Subzone

Published online by Cambridge University Press:  28 March 2007

P. Halonen ,
M. Hyvärinen  and
M. Kauppi
P. Halonen
Affiliation:
Department of Botany, University of Oulu, Linnanmaa, SF-90570 Oulu, Finland.
M. Hyvärinen
Affiliation:
Department of Botany, University of Oulu, Linnanmaa, SF-90570 Oulu, Finland.
M. Kauppi
Affiliation:
Department of Botany, University of Oulu, Linnanmaa, SF-90570 Oulu, Finland.
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Abstract

Epiphytic lichen communities on trunks of Pinus sylvestris and Picea abieswere studied on a west–to–east gradient through the central pan of Finland with special reference to macrolichens. Comparisons were made between the two conifer species, the coast of the Gulf of Bothnia and the more continental inland area, open commercial and denser natural forests differing in their local climate, and tree bases (0·0–0·7m) and upper trunks (0·7–2·0m). Differences were found not in species composition but in relative species abundance, the main distinction being between the two tree species. There were also noticeable geographical, vertical and habitatdependent differences. In addition to climatic factors, the importance of bark properties for the epiphytes is briefly discussed.

Type
Research Article
Information
The Lichenologist , Volume 23 , Issue 1 , January 1991 , pp. 61 - 72
Copyright
Copyright © British Lichen Society 1991

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