Analysis of the landscape structure of the Malyi Khamar-Daban range

Abstract

Abstract The paper considers the landscape study of the Malyi Khamar-Daban Range (western Transbaikalia), located in the basins of the Temnik river (Lake Taglei region) and Torei river (tributary of the Dzhida river). Based on the analysis, a landscape map of a topological level was generated, which presents homogeneous sections (geomers) of natural and natural-anthropogenic geosystems − biogeocenoses. The legend to the landscape map was developed on the basis of the principles of structural and dynamic classification of geosystems, based on the provisions of the doctrine of geosystems, which determine the landscape structure of the territory as the structure of primary and variable states of geosystems. In the legend of the map, taxonomic affiliation, factor-dynamic properties, seriality, and degree of anthropogenic disturbance of geosystems are sequentially displayed. The map displays 23 varieties of biogeocenoses referring to 3 taiga and 1 steppe geom. From factorial-dynamical attributes that determine the conditions of location, geosystems are represented by 6 classes of facies. A distinction needs to be drawn between the primary, pseudo-primary and serial facies. In the study area, 4 degrees of disturbance of geosystems were identified. Conditionally undisturbed geosystems are located mainly in inaccessible territories. The presence of moderate and severe disturbed geosystems is mainly associated with forest fires, local logging, and moderate recreational load and forestry. Areas with the maximum degree of disturbance are confined to agricultural lands and residential territories.