Transformation of an Oligotrophic Sphagnum Bog during the Process of Rewetting

The vast peatlands of the European North Russia were drained in 20th century. Some areas left without management and maintenance, which led to re-waterlogging. current trend towards restoration requires an understanding all changes that have taken place such ecosystems. study aims assess vegetation cover relative peat deposits rewetted oligotrophic bogs. objects research located on south-White Sea studies carried out using generally accepted geobotanical geoecological methods conjunction with authors’ method for studying group chemical composition organic matter. species diversity, structure spatial distribution cover, peat, as well matter been studied. It was shown transformation bog during process rewetting manifests itself a significant change somewhat reversible concerning ecologically tolerant species. Changes occurring deposit are irreversible. That limits possibility habitats initial state.