Eutrophication of the Kyiv reservoir of Ukraine: review
DOI:
https://doi.org/10.31548/biologiya15(1).2024.005Keywords:
Kyiv Reservoir, eutrophication, point sources of pollution, diffuse sources of pollution, climate change, nutrients, water quality.Abstract
It is known that the process of eutrophication in freshwater (especially in lakes and reservoirs) is increasing every day. That is why the relevance of this research is related to the existing processes of eutrophication in the Kyiv Reservoir of Ukraine. The research was conducted on the basis of laboratory research materials in 2021 year (before starting russian-Ukrainian war – 24.02.2022) and in 2023 year (after 600 days starting russian-Ukrainian war). The main aim of the research was to determine the main cause-and-effect relationships of strengthening eutrophication processes of the Kyiv Reservoir, which are currently available. It has been established that eutrophication of the Kyiv Reservoir occurs under natural and anthropogenic conditions. During the analysis (2021-2023 years), we identified the main causes of natural (transportation of nutrients due to floods, increased abrasion processes, climate change) and anthropogenic eutrophication (agricultural and urban activities, military activities). Analyzing the cause-and-effect relationships of the intensification of eutrophication processes, we emphasized the main consequences of the anthropogenic load on the water body of the reservoir for aquatic biota (change in trophic relationships in the aquatic ecosystem, reduction of aquatic biodiversity), for different branch of human activities (deterioration of the aesthetic value and water quality for water use, recreation and agriculture). Also, we highlighted the implications of eutrophication for the reservoir such as water toxicity that can influence the water bodies and biota (the appearance of cyanobacteria, which are harmful to biota and people).
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