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Ecological-Geochemical Features of the Trace Elements Distribution in Arable Soils and Parent Bedrocks in the Conditions of Slope Relief


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1 Belgorod State University, 308015, Pobedy Street, 85, Belgorod, Russian Federation
     

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The contents of trace elements Mn, Cu, Pb, Zn, Cr, Ba, and Sr in soils and parent bedrocks in the conditions of sloping terrain of the river valley were studied. The comparison of their concentrations with the clarkes of soils and lithosphere, maximum permissible and approximate permissible concentrations, regional background concentration was conducted. The index of total pollution of soils was calculated, the tightness of correlation was defined. The heterogeneity of soil-forming bedrocks and soils in the conditions of slope relief was identified. The content of elements in rocks is low the clarke of the lithosphere (with the exception of Cr). In the soils the accumulation of Cu, Pb, Zn in comparison with clark was revealed, as well as exceeding MPC for Cr. The accumulation of Sr, Pb and C in the arable layer of the soils in comparison with the regional background was found. Topsoil contamination by pollutants is acceptable.

Keywords

Heavy Metals, Clarkes of Concentrations, Maximum Allowable Concentrations, Regional Background Concentration, the Index of Total Pollution of Soils.
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  • Ecological-Geochemical Features of the Trace Elements Distribution in Arable Soils and Parent Bedrocks in the Conditions of Slope Relief

Abstract Views: 157  |  PDF Views: 1

Authors

Anzhela G. Gadzhikerimova
Belgorod State University, 308015, Pobedy Street, 85, Belgorod, Russian Federation
Larisa L. Novykh
Belgorod State University, 308015, Pobedy Street, 85, Belgorod, Russian Federation

Abstract


The contents of trace elements Mn, Cu, Pb, Zn, Cr, Ba, and Sr in soils and parent bedrocks in the conditions of sloping terrain of the river valley were studied. The comparison of their concentrations with the clarkes of soils and lithosphere, maximum permissible and approximate permissible concentrations, regional background concentration was conducted. The index of total pollution of soils was calculated, the tightness of correlation was defined. The heterogeneity of soil-forming bedrocks and soils in the conditions of slope relief was identified. The content of elements in rocks is low the clarke of the lithosphere (with the exception of Cr). In the soils the accumulation of Cu, Pb, Zn in comparison with clark was revealed, as well as exceeding MPC for Cr. The accumulation of Sr, Pb and C in the arable layer of the soils in comparison with the regional background was found. Topsoil contamination by pollutants is acceptable.

Keywords


Heavy Metals, Clarkes of Concentrations, Maximum Allowable Concentrations, Regional Background Concentration, the Index of Total Pollution of Soils.