Title: Kharakteristika ėkosistemy reki Severnoĭ Sosʹvy
Subjects: Stream ecology, Freshwater fishes
Places: Russia (Federation), Sosva River Watershed (Ti︠u︡menskai︠a︡ oblastʹ), Sosva River Watershed (Ti︠u︡menskai︠a︡ oblastʹ, Russia)