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Type of publication: Konferencijų tezės nerecenzuojamuose leidiniuose / Conference theses in non-peer-reviewed publications (T2)
Field of Science: Ekologija ir aplinkotyra / Ecology and environmental sciences (N012)
Author(s): Sujetovienė, Gintarė;Mickevičiūtė, Ieva
Title: Physiological effects of urban pollution in the transplanted lichen Evernia prunastri
Is part of: The vital nature sign [elektroninis išteklius] : 6th international scientific conference, Kaunas, Lithuania, 1-4 June, 2012 : abstract book. Kaunas : Vytautas Magnus university, 2012
Extent: p. 65-65
Date: 2012
Keywords: Evernia prunastri;Biomonitoring;Chlorophyll;MDA;Urban areas
Abstract: The aim of the study was to evaluate the changes in physiological parameters under the urban environment pollution. Samples of epiphytic lichen Evernia prunastri were transplanted from unpolluted environment to urban environment (Kaunas, Lithuania). To determine the urban environmental impact on lichen the following parameters were determined: production of malondialdehyde, chlorophyll a, chlorophyll b. The concentrations of MDA were significantly higher in the polluted areas. The enhancement of MDA concentrations were 25% in the city center (0.97 mol g-1 FW). It was concluded that pollution induced oxidative stress in the transplanted lichen. The chlorophyll a and b content increased from the unpolluted control zone and city parks to the city center and heavy traffic zones. The highest chlorophyll concentrations (2 mg g-1 DW) were determined in city parks (Kleboniškis, Panemunė). The study results confirm the fact that the epiphytic lichen Evernia prunastri is a good bioindicator for the assessment atmospheric quality. Also a oxidative stress parameter as malondialdehyde concentration in our study is an early signal for the environmental quality evaluation
Affiliation(s): Aplinkotyros katedra
Gamtos mokslų fakultetas
Vytauto Didžiojo universitetas
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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