In order to improve the geo-ecological status of the catchment area, it is advisable to gradually increase the area of ecostabilizing lands (meadows, forests, forage areas) to control the application of mineral fertilizers and pesticide use, and to prohibit the plowing of land by a 50-100-meter coastal protective strip around the lake. It was established that the catchment area of Ozerianske lake refers to the anthropogenic-natural (IV) type and has unsatisfying geo-ecological status. Moving forms of heavy metals (Co, Pb, Cd, Cu, Mn) are characterized by radial migration - increasing their content with the depth of the soil profile in the horizon (20-40 cm), and further towards the parent rock, their concentration mainly decreases.Д¬onclusions. The feature of lateral migration of biogenic elements is the increase of their concentration from the eluvial to the superequal facies of the geochemical microcatena, and the radial feature is the decrease of their content with the depth of the soil profile. A slight excess of MPC in the content of Mn and Cd in the soils of the microcatena has been fixed. The results of the experiments with the determination of the content and features of radial, lateral migration of mobile forms of biogenic elements (N, P2O5, K2O) and heavy metals (Co, Pb, Cd, Cu, Zn, Mn) on a landscape soil geochemical microcatena within the catchment area of a lake have been analyzed. The results of the research of the hydrochemical composition of lake water have been presented. The current state of economic development of the catchment of Ozerianske lake has been clari-fied. Methods.The research is based on methods of field instrumental landscape-geochemical searches using modern geoinformation technologies and laboratory-analytical diagnostics of soil, water and lake sediments. To reveal the peculiarities of geo-ecological status of the lake-basin system (LBS) of Ozerians-ke lake for the needs of a balanced nature management. In general, the geosystem of the Southern Bug River suffers from a complex anthropo-genic impact, the main source of which is agricultural production. The loss of humus in the soils of agricultural lands adjacent to the rivers Sob, Dokhna, Ustya was revealed. Howev-er, long-term ingress of these compounds into the water body will accelerate the process of eutrophication in the near future. Excess concentrations of alka-line hydrolyzed nitrogen, as well as phosphorus and potassium compounds at the sampling points indicate a high level of intensity of the farming system, in which the use of agrochemicals is given priority. The concentration of pollutants increases with the approach of the tributaries of the Southern Bug River and the relief formed by them to their base of erosion. The soils adjacent to the streams under consideration bear clear signs of hydrogenic accumulation of substances (carbonates, gypsum, salts) and deltaic conditions of formation (horizontal stratification, horizons buried, remnants of freshwater fauna).Д¬onclusions. All surface water bodies have increased water hardness, its acidity is within normal limits. The main reason for the intake of nitrates into the water is the washout of fertilizers from fields and vegetable gardens. The nitrite content is exceeded in the following places: r.

The content is exceeded at all sampling points, due to the high content of complexes with humic acid salts, secondary waterlogging of reclaimed lands. Based on the analysis of the data set of the main hydrochemical indicators of the surface water quality of the Southern Bug river basin and the analysis of the soil, it was found at some experi-mental points that the MPC of content of the studied indicators was exceeded. Laboratory experiments were performed on the basis of a licensed laboratory of the Uman National University of Horticulture

On its basis, water samples were taken at the appropriate points of the river basin, which directly covered the Southern Bug River itself, as well as its tributaries, and the composition of coastal soils was analyzed. The methodology of complex field geographic research (according to S. To assess the current state of the Southern Bug River basin and the degree of anthropogen-ic impact on it (transformation)

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