Proceedings, Volume 15E. Schweizerbart'sche Verlagsbuchhandlung, 1964 - Freshwater biology |
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Common terms and phrases
abundance algae annual aquatic Asterionella average basin benthos biomass bluegill bottom fauna C/m² CALIFORNIA carbon chemical chironomids coefficient concentration curve Daphnia detritus diatoms dissolved distribution dry weight effect epilimnion estimates Euglena eutrophic evaporation factors Februar fish fishery growth hypolimnion Hyporheal impoundment increase Internat isotopes JÄRNEFELT kg/ha Kivu km² Kultsjön laboratory lacs Lake Erie Lake Kariba Lake Maracaibo Lake Titicaca Lake Victoria lake water Limnol limnology macrophytes maximum mean depth measured metalimnion meters method nitrogen nutrients observations occur organic Oscillatoria oxygen perchpike period periphyton phosphate photosynthesis phytoplankton plankton plants pond population present primary production Prof radionuclides Ransaren ratio River RODHE samples seasonal sediments shore shows sodium species standing crop stratification stream Stuttgart summer surface Table temperature thermocline Tracer tropical trout values variation Verein Verh vertical Wasser Windermere winter zone zooplankton