Humus Horizon Of Urban Soils As A Geochemical Barrier In Urban Landscape
The increase of humus to the emergence of techno and organosorbtion geochemical barrier in the surface layers of urban soils, which contributes to the consolidation of heavy metals and increases the contrast anomalies. Total content of heavy metals in the surface layer of urban soils confirms deposit pollution geochemical barrier humus layer of the soil. The distribution of heavy metals in soil south-eastern city of Kharkiv indicates a certain level of contamination exceeding the industrial area of residential and sanitary protection for Zn and Pb. Landscape-geochemical state of the city are promoting priority pollutants on the alkaline and biogeochemical barriers in soil and plants. It can be assumed that a mechanism of self-regulation urban landscape that manifests itself in enhanced feedback and confirmed the existence of the identified features of the urban soils.
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