RUSSIAN JOURNAL OF FOREST SCIENCE. 2017, No. 2, pp. 94-101


ECO-GENETIC SPECIFICITIES OF PEAT SOILS FORMATION IN MONTANE REALMS IN NORTHERN URAL (PECHORA-ILYCH NATURE RESERVE)
E. V. Zhangurov, Y. A. Dubrovskii, S. V. Degteva, A. A. Dymov
Institute of Biology, Komi Scientific Centre, Ural Branch of the Russian Academy of Sciences
Kommunisticheskaya st., 28, Syktyvkar, 167982, Russia
Е-mail: zhan.e@mail.ru


Received 6 June 2016


We documented the specifics in morphology and physicochemical properties of peat soils dominant on the western slope in Northern Ural. We show that in montane forest and alpine realms the peat soils are found under communities of two vegetation types of mires and boggy forests. We found that the soils have thin peat layer of 50-55 cm, low ash contents, acidic and strongly acidic pH, and base unsaturation. They were classified to oligotrophic peat soils (typical and gleyic subtypes), and eutrophic peat soils (typical and silty humus gleyic subtypes) based on eco-phytocoenotic pedogenic conditions.


Keywords: Northern Urals, vegetation, peat soils, physicochemical properties, classification and recognition of soils.


Acknowledgements: This study is part of the State program of the Institute of Biology of Komi Research Center of the Ural branch of the Russian academy of sciences for 2015–17, project “Spatiotemporal regularities of peat soils formation in the northeast of European part of Russia, and transformations under climate change and human impact” (no. 115020910065).


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