Procedure of the Calculation of Chemical Indicators of the Ecological Danger of Tundra Soil Degradation and Its Validation
V. D. Vasil'evskaya, V. Y. Grigoriev, E. Y. Pogozhev, E. A. Pogozheva
M. V. Lomonosov Moscow State University
pogozhevae@rambler.ru
Keywords: procedure, agrochemical indicators, soil degradation, tundra
Pages: 647-666
Abstract
On the basis of a brief review and detailed analysis of the results of investigations of the chemical and other characteristics of soil in the tundra zone of Russia, a procedure is developed for the calculative determination of important agrochemical properties of natural and disturbed soil cover in tundra, in order to make quantitative evaluations of the ecological danger of its degradation. The initial data for calculations are the values of humus content in soil layer 0-20 cm, established experimentally or calculated on the basis of correlations with soil annealing losses, hygroscopic humidity of the upper soil layer and its organic component, and also the qualitative characterization of wetting and thermal conditions during the vegetation period. To illustrate the sequence and relevance of calculative determinations, an example of calculation and application results are presented.
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