SPATIO-TEMPORAL TRANSFORMATION OF LAKE BATTLES IN CITY CONDITIONS

Lake ecosystems are an integral part of biogeocenosis. Recently, urban lakes, which are among the main rapidly degrading systems in the nature-human complex, have been considered particularly relevant in relation to environmental protection. Yakutia is known for numerous lakes of different types of origin and basins. Lake Beloe is one of the oldest lakes in Yakutsk. Among the city's residents, it is one of the most recognizable recreational and natural ecosystems. Based on comprehensive monitoring studies, the spatiotemporal transformation of lakes under conditions of constant anthropogenic impact was determined. Morphometric materials and satellite maps and images were subjected to comparative analysis. As a result, a reduction in the total surface area of the lake was established, which led to changes in hydrological (water balance, external water exchange), hydrochemical (pH level, general hardness, mineralization) and biological (change in trophic status) indicators. Consequently, there is a degradation of the general state of the lake ecosystem. An analysis of the types of anthropogenic impact and their consequences was carried out. In total, all types of anthropogenic impact are observed, except for fishing. All these processes led to changes in the lake basin as a whole.