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| | State of hydrobiocenoses of surface waters versus river basins (annual average/maximum) |
 | | Seret, Bystrytsia-Solotvynska rivers – ecological stress; the Stryi – on the verge of regression Tysmenytsia River – ecological stress with regression elements |
 | | oligotrophic: Uzh, Snov, Udai rivers; oligomesotrophic: Desna River (in the section of Novgorod Siversky town); mesotrophic: Teteriv, Styr, Psyol, Stokhid rivers; mesoeutrophic: Gnylopiat, Ros’, Orel, Prypiat, Mokra Moskovka, Desna rivers (in the region of Chernigiv city); eutrophic: Sluch, Ingulets rivers; eupolytrophic: Ustia River; polytrophic: Unava River |
 | | Molochna, Kalmius, Bulavin, Olkhova rivers: ecological stress; Kalchik River – ecological stress with regression elements |
| enrin.grida.no /htmls/ukraina/soe98/indicators/4_4.htm (348 words) |
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