Leaves of higher plants as biomonitors of radionuclides (137Cs, 40K, 210Pb and 7Be) in urban air.

Environmental Science and Pollution Research International
Dragana J TodorovićJelena D Nikolić

Abstract

Leaves of linden (Tilia tomentosa L. and Tilia cordata Mill.) and horse chestnut (Aesculus hippocastanum L.) were analysed as biomonitors of radionuclides in urban air. Samples of soils, leaves and aerosols were collected in Belgrade, Serbia. Activities of (137)Cs, (40)K, (210)Pb and (7)Be in the samples were measured on an HPGe detector by standard gamma spectrometry. "Soil-to-leaves" transfer factors were calculated. Student's t test and linear Pearson correlation coefficients were used for statistical analysis. Differences in local conditions at the sampling sites were not significant, and the mechanisms of the radionuclides' accumulation in both plant species are similar. Ceasium-137 was detected in some of the leaf samples only. Transfer factors for (137)Cs and (40)K were (0.03-0.08) and 1.3, respectively. The concentrations of (210)Pb and (7)Be in leaves were higher in autumn than in spring, and there were some similarities in their seasonal patterns in leaves and in air. Weak to medium correlation was obtained for the (210)Pb and (7)Be activities in leaves and aerosols. Large positive correlation was obtained for the (210)Pb activities in linden leaves and the mean activity in aerosols for the preceding months. Different...Continue Reading

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Citations

May 8, 2014·Environmental Science and Pollution Research International·Milana RakićDušan Mrdja
Nov 12, 2015·The Science of the Total Environment·Nikica ŠpremDelko Barišić
May 24, 2016·Environmental Pollution·Branislava MitrovićMihajlo Vićentijević
Jun 3, 2016·Environmental Science and Pollution Research International·Nataša B SarapMarko Z Daković
Oct 6, 2020·Journal of Environmental Quality·Katerina Mazari, Gabriel M Filippelli
Apr 1, 2021·Arhiv za higijenu rada i toksikologiju·Marko ŠoštarićDinko Babić

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