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Changes in landscape structure of geosystems of the Lena-Angara interfluve

Authors
  • Atutova, Zh. V.1
  • 1 Russian Academy of Sciences, Institute of Geography, Siberian Branch, Irkutsk, Russia , Irkutsk (Russia)
Type
Published Article
Journal
Geography and Natural Resources
Publisher
Pleiades Publishing
Publication Date
Apr 01, 2015
Volume
36
Issue
2
Pages
161–168
Identifiers
DOI: 10.1134/S1875372815020080
Source
Springer Nature
Keywords
License
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Abstract

The characteristics of the economic development process of the territory of the Lena-Angara interfluves are considered for the time interval since the late 19th century till the present. Three stages of nature management are identified, during which the economic activity has influencing the state of the landscape structure of geosystems: end of the 19th‒beginning of the 20th‒mid-20th, and end of the 20th‒beginning of the 21st centuries. Socioeconomic analysis of the key area: the territory of the upper reaches of the Kulenga and Ilga rivers (left tributaries of the Lena river), determined the dominant kinds of economic activities, the consequences of which have implications for the transformation of natural states of geosystems. For the key area, a series of schematic maps characterizing the specific character of the Lena-Angara interfluves for each of the selected periods have been compiled. A comparative analysis was made of the spatial organization of geosystems, resulting in the conclusions about the discreteness of the transformed complexes associated with natural as well as socioeconomic factors. Quantitative indicators (occurrence area) of geosystems in the natural as well as transformed state have been determined. An increase in the area of transformed complexes is pointed out, and the causes for this process are determined.

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