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The occurrence of biomineralisation products in four lichen species growing on sandstone in western Norway

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dc.contributor.author Bjelland, Torbjørg
dc.contributor.author Sæbø, Linda
dc.contributor.author Thorseth, Ingunn Hindenes
dc.date.accessioned 2007-12-27T08:31:06Z
dc.date.available 2007-12-27T08:31:06Z
dc.date.issued 2002
dc.identifier.citation The Lichenologist 2001 34 (5): 429-440 en
dc.identifier.issn 1096-1135
dc.identifier.uri http://dx.doi.org/10.1006/lich.2002.0413
dc.identifier.uri http://hdl.handle.net/1956/2521
dc.description.abstract High performance thin-layer chromatography/thin-layer chromatography, X-ray diffraction, and scanning electron microscopy analysis of thallus and lichen-rock interface samples, were undertaken to characterize biomineralization products in Fuscidea cyathoides, Ochrolechia tartarea, Ophioparma ventosa, and Pertusaria coralline, growing on sandstone in western Norway. Whewellite (monohydrate form of Ca oxalate) was found in the thallus of all species, but not in any of the weathering rinds beneath the species. A significantly higher amount of whewellite was detected in the thalli of F. cyathoides and O. ventosa than in the other two species. There were only a few differences in whewellite occurrence between the thallus edge and centre samples in the four species. HPTLC/TLC and SEM analysis indicate that lichen compounds occur within the rock beneath some of the lichen specimens. Only divaricatic acid was observed within the weathering rind beneath O. ventosa. No lichen substances were found in the weathering rind beneath F. cyathoides and P. corallina, whereas gyrophoric and lecanoric acids were found in the weathering rind beneath O. tartarea. en
dc.language.iso eng en
dc.publisher Cambridge University Press en
dc.title The occurrence of biomineralisation products in four lichen species growing on sandstone in western Norway en
dc.type Peer reviewed en
dc.type Journal article en
dc.subject.nsi VDP::Matematikk og Naturvitenskap: 400::Zoologiske og botaniske fag: 480 no


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