Proceedings, Volume 17E. Schweizerbart'sche Verlagsbuchhandlung, 1969 - Freshwater biology |
Contents
Report on the seventeenth congress | 1 |
National Water System | 15 |
Microorganismes responsables du pouvoir | 124 |
13 other sections not shown
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Common terms and phrases
abundant algae algal animals année bacteria basin benthic benthos biological biomass bottom fauna carbon cells changes chemical chironomids cichlid Cladocera concentrations copepods Creek Crustacea cts/min culture Daphnia decrease density depth dissolved organic distribution dry weight ecology epilimnion eutrophication factors ferrigram fish freshwater growth hypolimnion increase Internat ions Lake George Lake Tanganyika Lake Tiberias lake water layers limiting Limnol limnology maximum measured metabolic meters mg/l mg/m³ nitrate nitrogen numbers nutrient Nyasa observed occur Oceanogr Onondaga Lake oxygen period phosphate phosphorus photosynthetic phytoplankton plankton pond population present primary production quantity ratio relatively reservoir River saline samples saprobity seasonal sediments shallow shore speciation species standing crop stations stratification substrate summer surface temperature thermocline Tiefe tintinnids TONOLLI Truckee River upper uptake values variation Verein Verh vertical Volta Lake winter zooplankton µg/l