Aquatic MicrobiologyWiley, 1974 - 184 pagine |
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acid activity aerobic algae ammonia anaerobic environment aphotic zone aquatic bacteria bacteria and fungi bacterial numbers bacterium breakdown carbon dioxide cause cells cellulose cent coastal waters compounds contain cycle Cytophaga decompose decrease denitrification depth Desulphovibrio desulphurication Elbe eutrophic lakes example facultative Figure filaments fish flora formation frequently freshwater Fungi Imperfecti genera Pseudomonas groundwater grow growth H₂S habitat halophilic heterotrophic higher fungi hydrocarbons hydrogen sulphide hypolimnion infection inland waters inorganic iron bacteria Kuznetsov 1959 layer lignin luminous organs mainly marine bacteria methane micro-organisms microbial microflora nitrate nitrifying bacteria nitrogen number of bacteria nutrients occur oligotrophic organic matter organic substance oxidation oxygen parasites particles particularly pathogenic phycomycetes phytoplankton plankton polluted production protein psychrophilic putrefying bacteria regions remineralization Rheinheimer rivers role salt concentration saprophyte numbers sea water Section 9.2 sediments self-purification sewage sewage-loaded species spores sulphur bacteria surface thiobacilli various Vibrio water temperature yeasts ZoBell zone