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Structural indicators of Richness and rarity of epiphytic lichens on Corylus avellana in two different forest types within a nature reserve in south-western Norway

Published online by Cambridge University Press:  28 March 2007

Per G. Ihlen ,
Ivar Gjerde  and
Magne Sætersdal
Per G. Ihlen
Affiliation:
Department of Botany, University of Bergen, Allegaten 41, N-5007 Bergen, Norway.
Ivar Gjerde
Affiliation:
Norwegian Forest Research Institute, Fanaflaten 4, N-5047 Fana, Norway.
Magne Sætersdal
Affiliation:
Norwegian Forest Research Institute, Fanaflaten 4, N-5047 Fana, Norway.
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Abstract

Epiphytic lichens (and some non-lichenizedfungi) on 34 coppices (204 stems) of Corylus avellana were investigated in a 140 ha study area in south-western Norway. A total of 65 species were recorded on a total bark area of 63 m⊃2. Corylus in broad-leaved deciduous forest supported more species of macrolichens, and fewer species of microlichens, than Corylus in pine forest. The macrolichen flora of the deciduous forest differed from that of the pine forest by having a rich flora of species belonging to the Lobarion alliance. Old Corylus coppices with tall stems (>8 m), large girth (>8cm diameter at breast height) and a noticeable cover of macrolichens (>10% of bark area) supported the highest number of rare species, and overall, species of macrolichens. More than 50% cover of microlichens indicated richness and rarity of microlichens on Corylus. 11 2001 The British Lichen Society

Type
Research Article
Information
The Lichenologist , Volume 33 , Issue 3 , May 2001 , pp. 215 - 229
Copyright
Copyright © British Lichen Society 2001

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