La Diversitat liquènica de les fagedes olositàniques, i un estudi comparatiu de la diversitat liquènica epifítica dels alzinars i les fagedes de la Garrotxa

Authors

  • Esteve Llop

Abstract

Nineteen beech forests have been surveyed from la Garrotxa. The study has focused on the analysis of total lichen diversity from the selected sites. The current catalogue resulted in 153 lichenized ascomycetes and three lichenicolous fungi. 63 taxa, representing the 41 % of the catalogue, are new reports to the lichen biotaof La Garrotxa. Among them, two taxa are new for the Iberian Peninsula and seven for Catalonia. The lichen epiphytic diversity of beech forests from La Garrotxa differs from holm oak forests because a higher proportion of crustose lichens as well as lichens with sexual reproduction. On the other hand, holm oak forests are richer and more heterogeneous than beech forests, foliose lichens are well represented, among them cyanolichens. Quercus ilex forests show a more mature structrure, which determines more stable environmental conditions favouring those foliose lichens with cyanobacteria.

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Published

2013-11-28

Issue

Vol. 77 : 2012-2013

Section

Gea, Flora et Fauna

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