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ASSESSMENT OF ECOLOGICAL STATE AND ECOLOGICAL RELIABILITY OF THE LOWER SECTION OF THE DNIEPER RIVER
Abstract
Ecological state of the Lower Section of the Dnieper River was estimated by method of calculation of integrated index on the basis of monitoring over the years 2013?2016. Self-purification potential and capability of restoration in time and space (along the river stream) of the aquatic ecosystem of the lower section of the Dnieper River was established. The method for assessing the quality of surface water by hydrochemical parameters in accordance with the fishery standards as the most sensitive to changes of the ecological state of the river was used. The current calculation method takes into account the effect of the total action of substances and is approved practically for the analysis of the ecological state of other rivers. It was discovered, that the state of surface water of region was characterized as unsteady with the low of ecological reliability. Consequently, the processes of self- purification potential and capability of restoration of the aquatic ecosystem are at the low level. The ecological state of the river is characterized as an ecological regress.
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