G. Thor, P. Johansson and M. T. Jönsson 2010: Lichen diversity and red-listed lichen species relationships with tree species and diameter in wooded meadows. - Biodiversity and Conservation19(8): 2307-2328. [RLL List # 220 / Rec.# 32252] Keywords: RED LIST/ DIVERSITY/ ECOLOGY/ SWEDEN/ ESTONIA
Abstract: [Study of 1294 trees (17 species) in Sweden and Estonia, including 246 lichen taxa, show that " ... Ulmus minor, Quercus robur and Fraxinus excelsior contributed most significantly to epiphytic lichen richness and number of red-listed species. Lichen species composition and the average number of red-listed lichens were influenced by tree diameter on Fraxinus and Quercus, whilst no such pattern was evident on Ulmus."]
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