The main goal of this work is to develop a methodology for studying the anthropogenic transformation of geosystems as a basis for solving problems related to nature protection and rational use of natural resources. The methodology is based on taking into account the openness of geosystems, the non-linearity and coherence of their relationships. Anthropogenic transformation of geosystems is considered in the context of changes in their essential properties because of the transformative dynamics and evolution of geosystems. They are caused by a resonant increase in the natural trend of geosystem restructuring and unidirectional anthropogenic impacts. The intensity of anthropogenic modifications is estimated against the background of the revealed trend of evolutionary changes in geosystems in the late Cenozoic. The current trends in the transformation of the regional structure of geosystems indicate the further development of aridization processes that were formed in the Pliocene. In areas of intense anthropogenic impact, a potential analog of the transformation of geosystems in the Pliocene is currently being formed due to the development of climate xerophytization processes and an increase in the area of steppes. The most significant anthropogenic transformations are characteristic of geosystems of the lowest topological level of the hierarchy.

Konovalova Tatiana Ivanovna, Doctor of Sciences (Geography), Professor, Head, Department of Geography, Cartography and Geosystems Technology, Irkutsk State University, 1, K. Marx st., Irkutsk, 664003, Russian Federation; Leading Researcher, V. B. Sochava Institute of Geography SB RAS, 1, Ulan-Batorskaya st., Irkutsk, 664033, Russian Federation, e-mail: konovalova@irigs.irk.ru

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