Abstract
On the basis of the analysis of data of geobotanical, hydrogeochemical and microbiological observation during 2002–2015 years on east part of Vasyugan bog complex (Western Siberia) is offered a hypothesis of formation of a convex relief of oligotrophic bog ecosystems as a result of the adaptation of system “a pine – bushes – sphagnum mosses” to hydrological and hydrogeochemical conditions and mutual influence of biotic and abiotic components. The pine forms “base” of ecosystems, bushes – “a force layer”, and sphagnum mosses act in a dual role “filler” of ecosystem and “stimulator” of a vertical gain of a surface. Oligotrophic bog ecosystem is not equilibrium and continuously changes depending on hydrogeochemical conditions which adjust quantity of accessible biogenic elements (the first – connections of Ca and P), an oxygen regime of a peat deposit, deducing or transformation of toxic products of biogeochemical and biochemical processes (for example, Al and NO 2 –). Concentration of toxic substances in many respects depends on functioning oxidizing and regenerative geochemical barriers, which, in turn, are connected with a water mode of a bog and properties of bog vegetation.
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