Soils оf Oligomesotrophic аnd Mesotrophic Bogs in the Boreal Zone of West Siberia: Possibilities of Botanical Diagnostics within the Framework of the Type of Mesotrophic Peatстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 21 июля 2021 г.
Аннотация:Despite the widespread use of the taxon “mesotrophic (transitional) peat soils” in the present-day Russian and foreign pedology, including some fundamental publications in this field, its diagnostic features are still uncertain, and this taxon is not included in the recent classification of Russian soils. The proposed criteria based on botanical features—botanical composition of peat soils and indicator plants—will allow separating mesotrophic type from eutrophic and oligotrophic types of peat soils. Special attention is paid to the distinction between mesotrophic and oligotrophic peat soils in accordance with the specific features of mires in northern West Siberia. Among 32 peat soil profiles studied in the Numto Nature Park, 19 profiles were classified as mesotrophic peat soils and 13 profiles, as oligotrophic soils. Owing to the spatial and temporal dynamics of vegetation in large- and flat-topped mound peat complexes, the soils of their hollows (flarks) were in most cases assigned to the oligotrophic type. The soils of aapa mires, as well as mires on low alluvial terraces, river floodplains, and runoff hollows dissecting slopes of the Sibirskie Uvaly Ridge were mainly classified as mesotrophic peat soils.