Akinina A.N., Seredina V.P., Ovsyannikova S.V.
ECOLOGICAL CONDITION OF THE SOILS ECOSYSTEMS OF KUZNETSKY BASIN
Kemerovo region is an industrial conglomerate which central part is occupied by the territory of Kuznetsky basin with developed coal mining industry creating great anthropogenic influence on environment components, especially on soil covering. In this paper the author considers ecological condition of soils ecosystems (natural and anthropogenic) related to objects of coal industry on the territory of Kuznetsky basin. The author gives comparative characteristics of content of mobile forms of heavy metals (HM) (Pb, Cd, Cu, Zn, Mn, Ni, Co, Cr) in soils of natural and anthropogenic landscapes. It is stated that the degree of heavy metals mobility in soils of natural ecosystems is determined by granulometric texture, oxidation-reduction potential, acid-base characteristics and organic matter content. As opposed to natural soils the main factors determining the level of heavy metals mobile forms content in soils of anthropogenic ecosystems are abiotic conditions of soil formation (mineralogical composition, correlation of coarse soil and fine soil in soil body) and the degree of organo-accumulative processes. The author evaluates inactivant capability of soils to pollutants. It is stated that soils of natural and anthropogenic ecosystems are characterized by different capabilities to heavy metals. Anthropogenic landscapes soils have lower indexes of inactivant capability. Among anthropogenic soils initial embriozems have minimal buffer capability. The received data is recommended to be used in monitoring studies to observe the level of anthropogenic impact on soils ecosystems of Kuznetsky basin and to prevent negative processes in soils usage.
Key words: Kuznetsk Basin, soil ecosystems, mobile forms of heavy metals, buffer capacity of soils.
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Authors: Akinina A.N., Seredina V.P., Ovsyannikova S.V.