%0 Journal Article %A Lyashenko, V. A. %A Lukashov, D. V. %D 2019 %I Begell House %K monitoring, bioindication, water quality, conservation areas %N 3 %P 20-28 %R 10.1615/HydrobJ.v55.i3.30 %T Water Quality Assessment in the Uday River within the Territory of the Pyryatyn National Natural Park in terms of Macrozoobenthos Organisms %U https://www.dl.begellhouse.com/journals/38cb2223012b73f2,29dc6340745db454,4e1f2f920da09b5a.html %V 55 %X Water quality in the Uday River within the territory of the Pyryatyn National Natural Park was assessed based on results of long-term investigations of macrozoobenthos structural characteristics. It has been found that indicators of eutrophic waters (in terms of their numbers) and α-oligosaprobic organisms prevailed at many stations. The waters located downstream of the town of Pyryatyn proved to be most contaminated. They were assessed as polytrophic and β-mesosaprobic. %8 2019-05-14