Using purposeful landscape zoning of Ukraine to improve soil protection system
Abstract
Basic aspects of Ukrainian landscapes target zoning use for maintenance of soil protection system on agricultural lands have been presented. The analysis of current systems of purposeful zoning of territories in the country and modern approaches to its modernization has been done. The ameliorative functions of forest in accordance with existing main and supportive negative factors, forms and intensiveness of its appearance in concrete types of landscapes have been explained. The questions of forest projection optimization in accordance with natural-climatic conditions of certain regions have been described. The ways of qualitative new use of agroforest ameliorative measures have been determined. The new zoning system on the basis of main soil erosion factors principally differs from the previous systems. The proposed zoning method is characterized by complexity, involving main physical, geographical and agricultural factors in the order of their impact on soil erosion processes. These factors consist of climate (water and temperature regime), relief and character of agricultural use of territory. Meanwhile, other factors (soil, vegetative cover and other) are used simultaneously with the main factors. That kind of zoning by the main factors of soil erosion is only the first stage. The second stage should be zoning by types of systems of counter erosion measures. In this article the authors have shown that when choosing agrarian ameliorative methods, the influence on negative factors on agriculture should be considered in the new zoning of the territory. A number of references and fund materials, including those of territorial zoning have been analyzed in the article. Preferences and negative aspects as well as selection of a basis for new agrarian ameliorative zoning of Ukrainian landscapes which includes the full information of factors and conditions of formation and expansion of negative factors for agriculture have been proposed.
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References
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