Effect of Paleocryogenesis on the Soil Cover Pattern and Properties of Chernozems in the Kamennaya Steppe Reserveстатья
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Дата последнего поиска статьи во внешних источниках: 8 сентября 2021 г.
Аннотация:The paleocryogenic genesis of a polygonal-blocky microrelief is substantiated. This microrelief was formed at the end of Late Pleistocene and is preserved in the buried state; it is also pronounced in the surface microtopography. The modern development of chernozems is greatly influenced by the paleocryogenic microtopography, as the profiles of chernozems developed on elevated polygons, their slopes, and within interpolygonal microdepressions clearly differ from one another in their morphology, horizonation, and functioning. These differences are sufficient to subdivide the corresponding soils at the subtype level. The paleoenvironmental reconstruction of the early (paleocryogenic) stages of the development of chernozems and the study of modern soil functioning with due account for the effect of paleocryogenic phenomena have been performed for the first time.