We analyze the biophysical parameters of lichen Xanthoria parietina (L.) Th. Fr., collected from zones with varying intensity of human activities. The amplitude ( J' 0), the linewidth ( ΔH max) of the broad peak EPR spectrum of lichen depend on level of environmental pollution. The negative effects of pollutants in the atmosphere lead to an increase in the number of paramagnetic centers in lichen thallus.
Xanthoria parietina, EPR, paramagnetic centers, lichen, Xanthoria parietina
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