Geoecological Characteristics of the Malka River Sectionfrom the City of Prokhladnyto the Mouth

Abstract

The purpose is to study the variety of manifestations of channel and floodplain processes in the Malka River delta and assess their impact on the ecosystem, based on the analysis of data from open sources and our own observations, compile a comprehensive characteristic of the Malka River, compose its hydrochemical characteristics and describe the ion-salt composition, study the modern ecological and the physical and geographical state of the ecosystem and the hydrochemical composition of the Malka River in the area of the city of Prokhladny. Methods: During the study, general geographic methods were used, as well as generally accepted geobotanical and soil methods. Field hydrometric work included: measurement of width, depth, current speed, river slope. Results: Field hydrometric work was carried out. The main hydrological and hydrometric characteristics of the river in the study area have been determined. The chemical composition of alluvial deposits on the territory of the investigated section of the river was investigated. Found the content of oxides of iron, titanium and aluminum in the soil. The chemical composition and quality of water in the investigated section of the Malka River was investigated. It was found that the analyzed water corresponds to the third quality class – moderately polluted. Conclusions: In the period from 2015 to 2019, the following was studied: the physical and geographical state of the section of the Malka River from the city of Prokhladny to the mouth; the state of the ecosystem; processes of changes in the content of water-soluble salts in soils under the influence of natural and anthropogenic factors. Based on the analysis of the available literature data and our own observations, it has been established that the formation of channel relief forms occurs slowly, under the influence of many factors, the most significant of which are changes in climate, soil and the evolution of the river itself.