Abstract
The quality of surface waters of small rivers of the Ukrainian regions of right-bank Polissia, belonging to the basin of the river Pripyat, was estimated. The study was conducted via systematic observations based on the ecological classification of surface water quality of land and estuaries of Ukraine, which includes a set of hydrophysical, hydrochemical, hydrobiological and other indicators, which were grouped into three blocks of indicators: salt composition of water; tropho-saprobiological (ecologicalsanitary) block; specific substances of toxic action. The integrated (ecological) index was determined, by which the class and category of surface water quality were established. The results of observations on the quality of surface waters of the rivers of the Ukrainian regions of right-bank Polissia indicate their satisfactory condition. Surface waters, on average, correspond to the II class of water quality, and the worst - to the III class. Water protection measures have been proposed to improve the ecological condition of small river basins in specified region.
Highlights
Deteriorating ecological conditions of river systems in Ukraine, as a result of irrational use of water resources and technogenic impact, are an ever-present problem, a problem for present and future generations
The evaluation of ecological condition of water quality of rivers belonging to the Ukrainian regions of right-bank Polissia was carried out according to the «Methodology of ecological assessment of surface water quality by relevant categories» [10], that allows to compare water quality in individual bodies of water and in bodies of water situated of different regions, on the basis of uniform ecological criteria
Water corresponds to the II-III class of water quality
Summary
Deteriorating ecological conditions of river systems in Ukraine, as a result of irrational use of water resources and technogenic impact, are an ever-present problem, a problem for present and future generations. The growing anthropogenic impact on the environment, its pollution by industrial waste, leads a significant deterioration of the ecological conditions of all riplatter, the most vulnerable being small rivers, which are used primarily for communal, agricultural purposes and industrial purposes, while being points of wastewater discharge. This leads to continuous deterioration of natural environment, especially that of river basins, as they undergo constant changes. This is primarily due to their intensive, irrational use. The problem of pollution of small rivers and their hydroecological analysis are quite relevant today [3; 4]
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