Biazrov L., Pelgunova L. Estimation of the proportion of some elements and their distribution on a surface of thallus of lichenized fungus Xanthoria parietina (L.) Th. Fr. using sample-nondestructive μ-XRF spectrometer M4 Tornado // Principy èkologii. 2013. Vol. 2. № 3. P. 37‒52. DOI: 10.15393/j1.art.2013.2821


Issue № 3

Original research

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Estimation of the proportion of some elements and their distribution on a surface of thallus of lichenized fungus Xanthoria parietina (L.) Th. Fr. using sample-nondestructive μ-XRF spectrometer M4 Tornado

Biazrov
   Lev Georgievich
Institute of ecology & evolution RAS, lev.biazrov@rambler.ru
Pelgunova
   Lyubov Andreevna
Institute of ecology & evilution, platon@sevin.ru
Keywords:
Biomonitoring
lichens
Xanthoria parietina
composition of elements
μ-XRF
distribution of elements
surface of thallus
periphery of thallus
central part of thallus
Summary: The composition of 19 elements - Al, Si, P, S, Cl, K, Ca, Ti, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Sr, Ba, Pb - were compared in the peripheral (younger) and central (older) parts of the upper surface of the epiphytic lichen Xanthoria parietina thallus from the bark of Sorbus aucuparia in Moscow city using sample-nondestructive μ-XRF spectrometer. This species is often used in biomonitoring of air quality. The results showed that the elements content was highly variable. Mean values of atomic percent of Fe, Co, Zn, and Pb were statistically higher in the central part of the upper surface, while P, S, Cl, K, Ca, and Mn were higher in the peripheral part. Differences between other elements were not statistically valid, but there is a trend to greater maintenance of the majority of the elements on the surface of the central part of the thallus. Mapping the distribution of some elements on the part of the thallus surface is presented.

© Petrozavodsk State University

Reviewer: T. O
Received on: 28 October 2013
Published on: 22 January 2014

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