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Scientific journal
Scientific Review. Biological science
ISSN 2500-3399
ПИ №ФС77-57454
ISSN 2500-3399
ПИ №ФС77-57454
CHANGE OF BIOLOGICAL PROPERTIES OF SOILS OF THE LARGE CITIES OF THE ROSTOV REGION UNDER THE INFLUENCE OF POLLUTION BY HEAVY METALS
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It was studied influences of pollution by heavy metals on biological properties of soils of the large cities of the Rostov region. As a result of research pollution of heavy metals of soils Gukovo, was recorded in Rostov-on-Don, Shachti, Taganrog. The comparative assessment of the maintenance of heavy metals in soils of different functional zones of the cities was carried out: industrial zones > autooutcomes > parks for Rostov-on-Don. of Shachti, of Gukovo; autooutcomes>industrial zones>parks for Taganrog and Novocherkassk. Priority heavy metals pollutants for soils of the cities of the Rostov region were revealed: Co > Zn > As > Pb > Cu > Ni. Direct dependence between concentration of polluting substance and extent of deterioration of studied properties of the soil was in most cases observed. The majority of the used biological indicators are informative for monitoring of a condition of the city soils polluted by heavy metals. On informational content degree biological indicators form the following row: activity of a catalase > length of roots of a garden radish>activity degidrogenaza > abundance of bacteria of the sort Azotobacter > viability of seeds of a garden radish > length of escape of a garden radish.