ACCUMULATION AND MOBILE FORMS OF SOME HEAVY METALS IN ROADSIDE URBAN SOILS

Authors

  • Bogdan Nikolov Plovdiv University „Paisii Hilendarski“, Bulgaria
  • Slaveya Petrova Plovdiv University „Paisii Hilendarski“, Bulgaria
  • Iliana Velcheva Plovdiv University „Paisii Hilendarski“, Bulgaria
  • Nikola Angelov Plovdiv University „Paisii Hilendarski“, Bulgaria
  • Ekaterina Valcheva Agricultural University, Bulgaria
  • Penka Zapryanova Agricultural University, Bulgaria
  • Gergana Hristozova Agricultural University, Bulgaria
  • Evelina Varbanova Plovdiv University „Paisii Hilendarski“, Bulgaria
  • Deyana Georgieva Plovdiv University „Paisii Hilendarski“, Bulgaria
  • Violeta Stefanova Plovdiv University „Paisii Hilendarski“, Bulgaria

DOI:

https://doi.org/10.12955/pns.v1.123

Keywords:

traffic pollution, urban environment, vegetation, soil properties, toxic elements

Abstract

The accumulation of heavy metals and toxic elements in the topsoil horizon of urban areas is a big environmental problem as they could have long-term implications not only for the soils themselves but also on the human health and well-being. Many studies have shown that there is a clear relationship between the level of urbanization, volume of traffic, intensity of anthropogenic activities and heavy metal load.

We aimed to analyze the accumulation of heavy metals at urban roadside soils and to assess the proportion of their mobile forms. The total content and mobile forms of Cu, Mn, Pb and Zn in soils samples collected along the main boulevards of Plovdiv (Bulgaria) was determined by two instrumental methods - ICP-OES and ICP-MS.

The maximal concentrations were found in the Central and Eastern administrative regions of the city of Plovdiv. This finding well correlated with the wind rose characteristics and urban gradient theory. Our results revealed that the mobile forms of Mn represented 1.38-2.21% of total content and the mobile forms of Zn represented 8.48-11.81% of total content in studied urban soils. Mobile forms of Cu and Pb varied significantly and were in the range of 7.04-14.2% and 7.3-18.67% of the total content, respectively.

Author Biographies

Bogdan Nikolov, Plovdiv University „Paisii Hilendarski“, Bulgaria

Plovdiv University „Paisii Hilendarski“, Faculty of Biology, Department of Ecology and Environmental Conservation, Plovdiv, Bulgaria

Slaveya Petrova, Plovdiv University „Paisii Hilendarski“, Bulgaria

Plovdiv University „Paisii Hilendarski“, Faculty of Biology, Department of Ecology and Environmental Conservation, Plovdiv, Bulgaria

Iliana Velcheva, Plovdiv University „Paisii Hilendarski“, Bulgaria

Plovdiv University „Paisii Hilendarski“, Faculty of Biology, Department of Ecology and Environmental Conservation, Plovdiv, Bulgaria

Nikola Angelov, Plovdiv University „Paisii Hilendarski“, Bulgaria

Plovdiv University „Paisii Hilendarski“, Faculty of Biology, Department of Ecology and Environmental Conservation, Plovdiv, Bulgaria

Ekaterina Valcheva, Agricultural University, Bulgaria

Agricultural University, Faculty of Plant Protection and Agroecology, Department of Agroecology and Environmental Protection

Penka Zapryanova, Agricultural University, Bulgaria

Agricultural University, Faculty of Plant Protection and Agroecology, Department of Agroecology and Environmental Protection

Gergana Hristozova, Agricultural University, Bulgaria

Agricultural University, Faculty of Plant Protection and Agroecology, Department of Agroecology and Environmental Protection

Evelina Varbanova, Plovdiv University „Paisii Hilendarski“, Bulgaria

Plovdiv University „Paisii Hilendarski“, Faculty of Chemistry, Department of Analytical Chemistry and Computer Chemistry, Plovdiv, Bulgaria

Deyana Georgieva, Plovdiv University „Paisii Hilendarski“, Bulgaria

Plovdiv University „Paisii Hilendarski“, Faculty of Chemistry, Department of Analytical Chemistry and Computer Chemistry, Plovdiv, Bulgaria

Violeta Stefanova, Plovdiv University „Paisii Hilendarski“, Bulgaria

Plovdiv University „Paisii Hilendarski“, Faculty of Chemistry, Department of Analytical Chemistry and Computer Chemistry, Plovdiv, Bulgaria

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Published

2020-11-16

How to Cite

Nikolov, B. ., Petrova, S. ., Velcheva, I. ., Angelov, N. ., Valcheva, E. ., Zapryanova, P. ., Hristozova, G. ., Varbanova, E. ., Georgieva, D. ., & Stefanova, V. . (2020). ACCUMULATION AND MOBILE FORMS OF SOME HEAVY METALS IN ROADSIDE URBAN SOILS. Proceedings of CBU in Natural Sciences and ICT, 1, 66-72. https://doi.org/10.12955/pns.v1.123