ENVIRONMENTAL EVALUATION OF THE MODERN CONDITION OF WETLANDS OF IRPIN’ RIVER FLOODPLAIN: APPROBATION OF AMERICAN EXPERIENCE
Abstract
In the article the ecological state of the wetlands of Irpin’ River floodplain was analyzed.The assessment is based on a complex of criteria with use a large quantity of indexes of vegetation, landscape, hydrology, water quality and soil quality. It has been established that the current state of these wetlands is good with a weak deviation from the basic characteristics. Predominantly, wetlands are functioning within the limits of natural regimes. The surrounding landscape is minimally fragmented and contains mostly natural components. The composition and structure of plant groupings are slightly beyond the natural range of variation. There are a small number of weeds and aggressive plant species. There are many key species for wetland species. Soil properties and hydrological conditions were changed not significantly.Besides, there are stress factors in wetlands such as: unpaved roads, buildings grazing, places of recreation or human visitation, recent old fields with plowing or disking, drainage channels, deep pits, dumping garbage or waste.
The results of the assessment are objectively reflecting the actual state of this ecosystem. The Ecological Integrity Assessment (EIA), which we have tested, can be used for the objective characterization of the ecological integrity, functional state and functional capabilities of the wetland ecosystems of the Right Bank Forest Zone of Ukraine.
Keywords: wetlands, Irpin’ river basin, floodplain, ecological status, vegetation, landscape, water, soil, groundwater level, stress factors.
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