The respiratory activity parameters of various types of alluvial soils with different residual content of oil products were studied. The inhibitory effect of oil products on basal respiration in re-cultivated soils was not found. The substrate-induced respiration of most soils remained at the control level or decreased slightly. Soils differed significantly in the degree of resistance of their microbial pool to oil products. The microflora of alluvial soils is able to overcome the negative effects of high oil concentrations. In remediated soils, a strong effect of oil on the community of soil microorganisms was not found, while medium or low impact prevailed. Microbial communities of light alluvial soils showed more resistance to oil products. Restoration measures on alluvial meadow soils require more attention than remediation of alluvial bog and meadow soils.
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