Mapping of anthropogenic transformation of landscapes in Yakutia
https://doi.org/10.25587/SVFU.2022.25.1.010
Abstract
Some methodological principles of assessment and mapping of the degree of anthropogenic change in landscapes are considered. The analysis of modern condition of landscapes of South Yakutia on the basis of the structural organization and the environmental state of natural complexes of different level. The landscape structure of Southern Yakutia is studied, the basic features of their differentiation are established. Assessment of the degree of anthropogenic impact is carried out at the main levels of ecological and geographical analysis of Yakutia: regional, local-regional, and local. At the regional level, the degree of anthropogenic disturbance of landscape regional complexes is revealed. Here data are presented on the changes in the selected research objects at the level of regional complexes. At the local-regional level, the degree of anthropogenic transformation of typological complexes within a certain physical-geographical region is determined. Disturbance of landscapes is determined by the ratio of the sum of the squares of disturbed landscapes with their weight coefficients to the area of natural landscapes. At the local level, the degree of anthropogenic change in landscapes is determined, expressed as a percentage. There are five degrees of disturbance of landscapes: unmodified, slightly modified, significantly modified, heavily modified and transformed landscapes. The proposed method for assessing the disturbance of natural landscapes was used for the following research objects in Southern Yakutia: at the regional level, the territory of the Aldan-Timpton interfluve is considered (scale 1: 500 000), the local-regional territory is the territory of the Neryungri industrial complex (scale 1: 200 000), the local one is the Elkon deposit (scale 1:25 000). Based on the results of anthropogenic change assessment and using GIS technologies, maps of the degree of anthropogenic transformation of the landscapes of South Yakutia were compiled. The analysis of anthropogenic impact on different spatial-hierarchical levels of landscapes made it possible to reveal the degree of disturbance of their natural state.
About the Author
A. N. Gorokhov
Institute of Biological Problems of Cryolithozone, Siberian Branch, Russian Academy of Sciences
Russian Federation
Russian Federation
GOROKHOV Aleksey Nikolaevich – Candidate of Biological Sciences, Senior researcher
Yakutsk
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Review
For citations:
Gorokhov A.N. Mapping of anthropogenic transformation of landscapes in Yakutia. Vestnik of North-Eastern Federal University Series "Earth Sciences". 2022;(1):19-28. (In Russ.) https://doi.org/10.25587/SVFU.2022.25.1.010
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