Title: Sovremennai︠a︡ ėkologicheskai︠a︡ situat︠s︡ii︠a︡ v Rybinskom i Gorʹkovskom vodokhranilishchakh
Subjects: Reservoir ecology, Fishes, Reproduction
Places: Russia (Federation), Rybinsk Reservoir, Nizhniĭ Novgorod