1. Procedure for calculation of chemical indicators of ecological danger of tundra soil degradation and their validation

   • V. D. Vasil’evskaya
   • V. Ya. Grigor’ev
   • E. A. Pogozheva

   OriginalPaper 08 January 2013 Pages: 481 - 496

2. Ratio of elements in humic acids as a source of information on the environment of soil formation

   • M. I. Dergacheva
   • O. A. Nekrasova
   • E. E. Ondar

   OriginalPaper 08 January 2013 Pages: 497 - 504

3. Biomass of microorganisms in the alas soil of the territory between the Lena and Vilyuy Rivers

   • M. V. Yakutin
   • A. N. Puchnin

   OriginalPaper 08 January 2013 Pages: 505 - 510

4. Role of soil type and macrosymbiont genotype in aftereffect of biological nitrogen

   • V. M. Nazaryuk
   • M. I. Klenova
   • F. R. Kalimullina

   OriginalPaper 08 January 2013 Pages: 511 - 515

5. Ecological-geographical aspects of soil complex types allocation at the Ukok Plateau using remote sensing studies

   • S. Ya. Kudryashova
   • L. Yu. Ditts
   • A. N. Bezborodova

   OriginalPaper 08 January 2013 Pages: 516 - 521

6. Content and distribution of chemical elements in soils of lake depressions in Shira Steppe of Chulym-Yenisei basin

   • S. P. Kulizhskii
   • A. V. Rodikova
   • V. F. Shamshaeva

   OriginalPaper 08 January 2013 Pages: 522 - 528

7. Kuznetsk chernozem: Anthropospheric importance and threat of elimination

   • V. A. Khmelev
   • A. A. Tanasienko

   OriginalPaper 08 January 2013 Pages: 529 - 539