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Eurasian Soil Science

, Volume 44, Issue 6, pp 589–603 | Cite as

Soils of cryogenic subarid steppe landscapes in the Terekhol intermontane Depression of the Sangilen Upland

  • M. A. Bronnikova
  • I. V. Turova
  • E. P. Kuznetsova
  • D. N. Kozlov
  • O. S. Khokhlova
Genesis and Geography of Soils

Abstract

The soil cover of the Terekhol intermontane Depression in the Tyva Region is poorly studied. The data obtained in the 1950s do not reflect the real genetic diversity of soils and their specific character. According to these data, the soil cover was dominated by meadow-chernozemic soils under virgin steppe-like meadows. The investigations of 2007–2009 show that the disperse-carbonate chernozems, which are often solonetzic and weakly saline; the specific polygenetic dark soda solonchaks-solonetzes; and the postagrogenic chernozems, solonetzes, and agrozems are the main components of the soil cover of the depression at the present time. The described chernozems correspond mainly to the central image of southern Siberia chernozems. The investigated solonetzes are characterized by a number of evolution-genetic features that distinguish them from previously described solonetzes of Tyva and from all the solonetzic soils in the current interpretation. The chernozems and solonetzes have cryogenic features due to the cold extremely continental climate and relatively shallow continuous permafrost.

Keywords

Humus EURASIAN Soil Science Humus Horizon Meadow Steppe Permafrost Layer 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Pleiades Publishing, Ltd. 2011

Authors and Affiliations

  • M. A. Bronnikova
    • 1
  • I. V. Turova
    • 1
  • E. P. Kuznetsova
    • 2
  • D. N. Kozlov
    • 2
  • O. S. Khokhlova
    • 3
  1. 1.Institute of GeographyRussian Academy of SciencesMoscowRussia
  2. 2.Faculty of GeographyLomonosov Moscow State UniversityMoscowRussia
  3. 3.Institute of Physicochemical and Biological Problems of Soil ScienceRussian Academy of SciencesPushchino, Moscow oblastRussia

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