Proceedings, Volume 19, Part 1E. Schweizerbart'sche Verlagsbuchhandlung, 1975 - Fresh-water biology |
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activity algae algal analyses average basin biomass bottom calculated Canada carbon cells changes chlorophyll compared concentration corral counts depth determined Discussion dissolved distribution dominant effect estimated eutrophication experiments factors filters Fish flow flux fraction growth higher important increase indicate Internat July June Lake Lake Superior layer less levels light limiting Limnol limnology loading lower material matter maximum mean measured meters method Michigan natural North nutrient observed obtained occurred Oceanogr Ontario organic oxygen particulate pattern period phosphate phosphorus phytoplankton plankton Point Pond populations predicted present primary production production range References region relationship relatively reported respiration River saline samples seasonal sediment shown shows significant similar species stations stream suggested summer surface temperature uptake values variables variation Verein Verh volume wind zooplankton