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Tree and site quality preferences of six epiphytic lichens growing on oaks in southeastern Sweden
Södertörn University, School of Life Sciences, Biology. Södertörn University, School of Life Sciences, Environmental science.
2009 (English)In: Annales Botanici Fennici, ISSN 0003-3847, Vol. 46, no 6, 496-506 p.Article in journal (Refereed) Published
Abstract [en]

Oaks (Quercus robur) can reach a considerable age, which makes them an important substrate for many epiphytic lichens, including several red-listed species. We studied the importance of tree size and other environmental factors for the occurrence of six epiphytic lichens at two sites, in southeastern Sweden, differing in quality as judged by tree size distribution and number of old trees. The effects of tree circumference, light availability, trunk inclination and site were analysed. Results showed that different lichen species responded differently to these factors, but, overall, tree size was most important for lichen occurrence. Five species showed a positive relation to tree size, but the 50% probability of occurrence was reached at different tree sizes among these species and there were also site differences. This study shows that the maintenance of old trees is crucial for several lichen species, which highlights the importance of long-term management plans.

Place, publisher, year, edition, pages
2009. Vol. 46, no 6, 496-506 p.
National Category
URN: urn:nbn:se:sh:diva-13872ISI: 000272948500002ScopusID: 2-s2.0-70349372512OAI: diva2:465591
Available from: 2011-12-14 Created: 2011-12-14 Last updated: 2015-06-14Bibliographically approved

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