New data on the structure,dynamics,and functioning of microbiological complexes in deep peat soils of Western Siberia are obtained.The highest population densities of microorganisms are registered in the zone of active peat accumulation with oxidizing conditions(I_Ox,0-10 cm),in the zone with alternating reducing and oxidizing conditions(II_(Ox-Red),50-100 cm),in the zone with permanently reducing conditions(III_Redl,250-350 cm),and in the zone with sharply reducing conditions(IV_Red2,550-675 cm).The oxidative type of micro-bial metabolism initiated by aerobic and facultative anaerobic microorganisms of the heterotrophic cycle is typical of the studied low-moor peat soils.
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