Ergebnisse der Limnologie |
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absorption acetone acid acidification activity algal allochthonous aquatic bacteria Beih Bergundasjön biomass bloom blue-green algae carbon changes chlorophyll CO₂ concentrations decrease depth diatoms dilution dissolved dominant Ecology ecosystem effects epilimnion epiphytic estimated eutrophic lakes extraction factors filters filtration fish flora freshwater glucose gradient growth heterotrophic Hydrobiol hypolimnion increased inorganic inputs interglacial Internat kinetics lake sediments Lake Trummen lake water late-glacial limitation Limnol limnology littoral loading macrofossils macrophytes measurements metabolism methanol method mg/l microbial Mjøsa N₂-fixation natural nitrate nitrogen Norrviken nutrient Oceanogr oligotrophic organic matter Oscillatoria oxidation oxygen Pääjärvi particulate phaeophytin phaeopigments phosphate phosphorus photosynthesis phytoplankton phytoplankton biomass Piburger pigments plankton plants Plußsee pollen polluted populations predicted primary production quantitative ratio Riemann S-basin samples sediments seston sewage solvent species studies Stuttgart submersed substrate Table temperature tion Uppsala uptake values vegetation Verein Verh Wetzel zone zoobenthos zooplankton