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Scientific Review. Geographical Sciences

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THE CONTENT OF HEAVY METALS IN SOILS OF DIFFERENT AGROCLIMATIC ZONES OF THE ULYANOVSK REGION. THE COMPARATIVE CHARACTERISTIC OF DISTRIBUTION OF HEAVY METALS IN SOILS OF THE ULYANOVSK REGION AND IN THE NEXT REGIONS (ON THE EXAMPLE OF THE SAMARA REGION)

Васин Д.В.
The analysis of features of distribution of concrete heavy metals is carried out (Zn, Cu, Pb, Cd, Ni, Cr) in a soil cover of different agroclimatic zones of the Ulyanovsk region, are revealed the main sources of receipt of pollutants to soils. Data about the content of heavy metals are provided in pochvoobrazuyushchy breeds and the soil horizons, data on concentration of pollutants in the main types of soils of this region, and also comparisons of these indicators with the next region (Samara region) are given. Results of researches showed that substantially the soil cover is polluted by heavy metals in the Central and Southern agroclimatic zones that the physics – geographical conditions speaks complex influence technogenic and local. Rather small pollution of a soil cover of the Zavolzhye zone is caused by absence in this territory of the large raznoprofilny industrial enterprises, and as features of a relief and a hydrology.