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ASSESSMENT AND CALCULATION METHODOLOGY OF GEOECOLOGICAL (LITHOEDAPHOLOGICAL) RISK OF LANDSLIDES DURING THE INFLUENCE TO FERTILE LAYERS OF SOIL

The paper presents the main characteristics of assessment and calculation of the risk caused by hazardous geological and engineering-geological processes on the example of landslides. The main aspects of assessing geological risk are shown – physical, economic, social and ecological. The main features of ecological risk are indicated, the most common methods for determination it are identified.When considering the impact of landslide processes on fertile soil layers, two main drawbacks were found - underestimation of the depth of the landslides’ impact on the soil cover and the absence of pronounced differences between risk assessments for living communities (soil ecosystems) within the framework of geoecological risk (in this case, lithoedaphological risk) and risk for abiotic components (soil cover) within the environmental risk (in this case, lithopedological risk). Various methods are presented and aspects taken into account for the assessment of geoecological risk, medical and social problems, potentially caused by landslide processes, are noted.