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Палевые почвы средней Сибири на бескарбонатных породах в классификации почв России

Палевые почвы средней Сибири на бескарбонатных породах в классификации почв России

Abstract

Based upon a comprehensive analysis of not numerous but detail field descriptions and analytical materials obtained by I.A. Sokolov, V.G. Zolnikov, L.G. Yelovskaya and the other researchers as well as the soil-forming factors an attempt was made to determine the position of pale undifferentiated neutral and acid soils derived from noncalcareous deposits in a new substantive-genetic classification of soils in Russia (2004, 2008). The above group of soils is not uniform. According to diagnostic morphological and physical-chemical properties the loamy icy-frozen soils should be referred to the order of cryometamorphic or ferruginous-metamorphic soils. The loam sandy dry-frozen soils may be related to the same group as well. The soils with the shallow profile (<30 cm) confined to compact parent materials should be considered as different soil types in the order of lithozems. The specific of these soils makes advisable to use new elements in soil classification. A subtype of pale-metamorphized soils is offered to recognize it among the types of rustozems and coarse humus rustozems as soils transitional to pale ones. This new position in soil classification is oriented to harmonize a variety of ideas on the genesis, conditions for the development and nomenclature of soils, what will permit to give a more complete and reliable picture of the soil cover in the Middle Siberian plateau.

На основе анализа немногочисленных, но детальных полевых описаний и аналитических материалов И.А. Соколова, В.Г. Зольникова, Л.Г. Еловской и др., а также факторов почвообразования сделана попытка определить место палевых недифференцированных нейтральных и кислых почв на бескарбонатных породах в новой субстантивно-генетической классификации почв России (2004, 2008 гг.). Рассмотренная группа почв неоднородна. Суглинистые льдисто-мерзлотные почвы по своим диагностическим морфологическим и физико-химическим свойствам могут быть отнесены к отделам криометаморфических или железисто-метаморфических почв; супесчаные и щебнистые сухомерзлотные почвы - также к отделу железисто-метаморфических почв; почвы с маломощным профилем (<30 cм) на плотных породах представляют разные типы в отделе литоземов. Своеобразие почв объясняет целесообразность введения новых элементов в классификацию. Предложено выделение подтипа палево-метаморфизованных почв в типах ржавоземов и ржавоземов грубогумусовых как почв, переходных к палевым. Предлагаемые классификационные решения ориентированы на гармонизацию различных идей о генезисе, условиях формирования и номенклатуре почв, что позволит представить более полную и реальную картину почвенного покрова Среднесибирского плоскогорья.

Keywords

СРАВНИТЕЛЬНО-ГЕОГРАФИЧЕСКИЙ АНАЛИЗ, КЛАССИФИКАЦИЯ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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