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The novel approach to the biomonitor survey using one- and two-dimensional Kohonen networks

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Abstract

To compare the applicability of the leaves of horse chestnut (Aesculus hippocastanum) and linden (Tilia spp.) as biomonitors of trace element concentrations, a coupled approach of one- and two-dimensional Kohonen networks was applied for the first time. The self-organizing networks (SONs) and the self-organizing maps (SOMs) were applied on the database obtained for the element accumulation (Cr, Fe, Ni, Cu, Zn, Pb, V, As, Cd) and the SOM for the Pb isotopes in the leaves for a multiyear period (2002–2006). A. hippocastanum seems to be a more appropriate biomonitor since it showed more consistent results in the analysis of trace elements and Pb isotopes. The SOM proved to be a suitable and sensitive tool for assessing differences in trace element concentrations and for the Pb isotopic composition in leaves of different species. In addition, the SON provided more clear data on seasonal and temporal accumulation of trace elements in the leaves and could be recommended complementary to the SOM analysis of trace elements in biomonitoring studies.

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Acknowledgments

The authors acknowledge financial support from the Ministry of Education, Science and Technological Development of the Republic of Serbia, project nos. OI 172007 and III 43007.

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Correspondence to Davor Antanasijević.

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Deljanin, I., Antanasijević, D., Urošević, M.A. et al. The novel approach to the biomonitor survey using one- and two-dimensional Kohonen networks. Environ Monit Assess 187, 618 (2015). https://doi.org/10.1007/s10661-015-4842-6

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  • DOI: https://doi.org/10.1007/s10661-015-4842-6

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