Retaining unlogged patches in Mediterranean oak forests may preserve threatened forest macrolichens

Forest management practices may heavily impact epiphytic (tree inhabiting) organisms. Retaining tree patches and buffer strips in logged stands may contribute to preserve ecosystem functioning and the vitality of epiphytic organisms in managed forests. To test these statements, the threatened forest...

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Bibliographic Details
Published in:IForest (Viterbo) 2019-04, Vol.12 (2), p.187-192
Main Authors: Fačkovcová, Z, Guttová, A, Benesperi, R, Loppi, S, Bellini, E, Sanità di Toppi, L, Paoli, L
Format: Article
Language:English
Subjects:
Air pollution
Biodiversity
Biodiversity Conservation
Ecosystem Services
Ecosystems
Forest ecosystems
Forest Logging
Forest management
Forests
Indicator species
Lichens
Lobaria pulmonaria
Logging
Oak
Outdoor air quality
Patches (structures)
Photochemistry
Photosynthesis
Photosynthetic Performance
Terrestrial ecosystems
Thalli
Thallus
Trees
Water Holding Capacity
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Summary:Forest management practices may heavily impact epiphytic (tree inhabiting) organisms. Retaining tree patches and buffer strips in logged stands may contribute to preserve ecosystem functioning and the vitality of epiphytic organisms in managed forests. To test these statements, the threatened forest macrolichen Lobaria pulmonaria (L.) Hoffm. was used as a model species, since it is a “flag” indicator species of forest ecosystems with long ecological continuity. To this purpose, photosynthetic performances, thallus anatomy and water holding capacity (WHC) of samples of L. pulmonaria were investigated in a logged mixed oak forest (Tuscany, Italy), confronting lichen thalli from retained-forest patches and retained-isolated trees, 18 months after logging. Compared with those of retained-forest patches, thalli on the trunks of retained-isolated trees were thinner and showed lower vitality (as indicated by the potential quantum yield of primary photochemistry - FV/FM and the index of overall photosynthetic performance - PIABS), as well as lower water holding capacity. In contrast, thalli from forest patches had performances comparable to those of healthy samples from unlogged forests.
ISSN:1971-7458
1971-7458
DOI:10.3832/ifor2917-012