Content and profile distribution of heavy metals total forms in soils of urban territories of Russia south

The paper studied the content of heavy metals total forms (nickel, zinc, copper, lead) in soils of different genesis urbanized territories on the example of Rostov agglomeration: chernozems migration and segregation and anthropogenically transformed soils (urbostratozems and urbistratificational chernozems). The fnalysis of the results can allow to make the assessment of soil contamination level with heavy metals (HM), as well as to make preliminary assumptions about the nature of distribution profile of these elements below the horizon urbik of antropozems, the possible migration routes of toxicants from anthropogenic layers underlying native horizons and blocking effect on HM migration screening layer such as asphalt and concrete. The total pollution index indicates an acceptable level of risk. A comparison of the data with the available information about the background of investigated metals content provides a basis to clarify the role of urbanization in the formation of soil in general, and the accumulation of chemicals and elements, in particular.