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THE IMPACT OF LEAD AND OIL POLLUTION ON THE ECOSYSTEM FUNCTIONS OF ORDINARY CHERNOZEM
Abstract
Recently the ecosystem services (services) have been increasingly considered in ecology and soil along with ecological (biogeocenotic) soil functions. This approach is justified by the need for a comprehensive assessment of soils, including the economic one. In laboratory and field experiments, the pollution of ordinary chernozems with heavy metals and oil has resulted in oppression of biological properties of soil: activity of catalase and dehydrogenase, abundance of the Azotobacter bacteria, the germination and initial growth rates of radish test culture (Korund grade). Consequently, violation of the environmental properties of the soil may result in the violation of the ecosystem functions and ecosystem services of the soil. The assessment of basic, supporting, regulatory and cultural services of soil is necessary for the sustainable development of the region and may include an environmental (ability of the ecosystem to perform its functions) and social (perception of all ecosystem services and concerted decisions by society) components.
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