Transactions of the 6th Conference on the Biology of Inland Waters
Zoologicheskiĭ institut (Akademii︠a︡ nauk SSSR), Institut biologii vnutrennikh vod (Akademii︠a︡ nauk SSSR)
Israel Program for Scientific Translations [available from the U.S. Department of Commerce, Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.], 1969 - Freshwater biology - 733 pages
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algae average bacteria benthic benthos biological biomass bloom blue bream blue-green bottom canal Caspian chironomid chironomid larvae composition considerable copepods crustaceans decrease depth detritus distribution Dnieper Dnieper Reservoir encountered ex gr fauna feeding fertiliser fertilizer fishery flooded floodplain fluctuated food base formation forms growth hydrobiological increased inorganic Institute Kakhovka Kakhovka Reservoir Katta-Kurgan kg/ha kolkhoz lakes larvae layer limans littoral lower maximum mg/l mollusks nitrogen numbers observed organic matter ostracods overgrowths oxygen content period phosphorus photosynthesis phytoplankton pike plankton plant pond ponda predominate quantity reaches regime region river roach rotifers Rybinsk Reservoir Rybinskogo Rybnoe Rybnogo samples sections sediments Sevan shallow shore spawning species spring SSSR studied summer temperature Trudy Ucha Reservoir USSR vodoemov vodokhranilishcha Volga water bodies wild carp wster zone zoobenthos Zooplankton