This study was conducted to compare structures of saprotrophic bacteria and fungi in urban and relatively pure (control) landscape. Different types of polluted sites were examined in Serpukhov,a great industrial center in the Moscow oblast. The structure of saprotrophic bacteria and fungi in the soil, plant litter, and phylloplane was determined. It was shown that the structures of microbial populations in urban and a specific taxonomic composition in comparison with those in the control area. Differences in the microorganism structure at polluted sites were stronger in the soil than in the litter and phylloplane. Seasonal fluctuations in the composition of bacteria and fungi were greater in urban soils in comparison with the control.
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