Geochemical indicators of the ecological state of the contaminated soil


  • I. V. Kuraeva M.P. Semenenko Institute of geochemistry, mineralogy and oreformation of the National Academy of sciences of Ukraine, Kiev,
Keywords: heavy metals, urban areas, space distribution, forms of finding, forms of migration, biogeochemical indicators

Abstract

Regularities of distribution of heavy metals in contaminated soils technogenic urbanized areas (for example, a major area of the city of Kiev) were analyzed. The value of soil in the formation of the ecological state of the environment of technogenic territories was shown. The purpose of the study is the characterization of the geochemical parameters defining the transformation of anthropogenic contaminated soils. To assess the degree of contamination of soil deposits Kiev were identified by their physico-chemical properties (pH, organic matter content, cation exchange capacity). Physico-chemical properties were determined by the method Arinushkina O.V. Concentration of chemical elements in samples was determined by classical geochemical and modern methods on mass spectrometer with inductively coupled plasma (ICP-MS) in the M.P. Semenenko Institute of geochemistry, mineralogy and ore formation of the National Academy of sciences of Ukraine. Physico-chemical properties of of technogenic contaminated and relatively clean soil were established. Forms of a finding of heavy metals in soils were studied. Their mobility was determined. Forms of migration of heavy metals in soil solutions of background and of technogenic contaminated soils were identified. A potential buffer capacity of soils to heavy metal contamination was determined using the experimental and analytical methods. The contents of heavy metals in soils of Kiev, as well as the characteristics of their space distribution were installed. The data of space distribution of the total index of technogenic pollution soils of urban ecosystem Kiev were received. Biogeochemical indicators changes in the species composition of soil microorganisms of technogenic contaminated soil were established. Research of soil microbiota can be used as an additional criterion for the bioindication of contamination of soils. On the basis of actual material and development scientists have been set indices and criteria of objective estimation of degree environment contaminations, which correspond to the European standards. They can serve as basis for further researches concerning selection ecologically dangerous territories.

Author Biography

I. V. Kuraeva, M.P. Semenenko Institute of geochemistry, mineralogy and oreformation of the National Academy of sciences of Ukraine, Kiev,
M.P. Semenenko Institute of geochemistry, mineralogy and oreformation of the National Academy of sciences of Ukraine, Kiev, 

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Published
2016-12-28
How to Cite
Kuraeva, I. (2016). Geochemical indicators of the ecological state of the contaminated soil. Journal of Geology, Geography and Geoecology, 24(2), 61-69. https://doi.org/https://doi.org/10.15421/111634

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