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Helminths are biological indicators of ecological state of natural reservoirs in the Ryazan Region.
Kurdukova T.V. P.A. Kostichev Ryazan Agrotechnological State University.
Summary. The highest helminthose rates were found in the river Oka as while the lowest prevalence – in river Moksha and Cna independent on the equal class of water contamination. That fact indirectly confirmed the different anthropogenic loading.