ASSESSMENT OF THE ECOLOGICAL CONDITION OF THE RIVER TSYR ACCORDING TO THE MACROPHYTE INDEX FOR RIVERS (MIR)
Keywords:
macrophytes, ecological status of waters, test area, macrophyte index, water quality classes.Abstract
The article presents the results of the study of the species composition of aquatic macrophytes of the Tsyr River, which flows through the territory of Volyn Polissya. The plants were identified at two observation points along the river, from the source to the mouth. 28 indicator species of macrophytes were identified. The Macrophyte Index was calculated to assess the ecological status of the Tsyr River waters according to the Makrofitowy Indeks Rzeczny (MIR) methodology. It was found that the water quality in the river Tsyr on the test site 1 (KaminKashirsky (upper course)) has a poor ecological status MIR is 25.1 belongs to class IV, category – poor and trophic status is polytrophic; on test site 2 (village of Vyderta (middle course)) has a satisfactory ecological status MIR is 32.6 belongs to class III, category – satisfactory and trophic status is eutrophic.References
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