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The Persistence of Cladonia Patches in Closed Heathland Stands

Published online by Cambridge University Press:  28 March 2007

R.J. Hobbs
R.J. Hobbs
Affiliation:
Department of Botany,University of Aberdeen, St Machar Drive, Aberdeen AB9 2UD, Scotland
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Abstract

The inhibitory action of aqueous extracts from detached podetia of heathland Cladonia spp. and leachates from transplanted Cladonia turfs was tested using seeds of Avena fatua, Calluna vulgans and Deschampsia flexuosa. Significant inhibitory effects were found for each species. Further evidence from a field experiment suggests that patches containing a mixture of Cladonia spp. can inhibit germination or establishment of vascular species, probably through both chemical and physical processes, and thus maintain intact lichen patches in otherwise closed heathland stands.

Type
Research Article
Information
The Lichenologist , Volume 17 , Issue 1 , February 1985 , pp. 103 - 109
Copyright
Copyright © British Lichen Society 1985

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