Travaux, Volume 23, Part 1E. Schweizerbart'sche Verlagsbuchhandlung., 1988 - Fresh-water biology |
Contents
Presidential Address | 1 |
Experimental studies of chemical stressors on whole lake ecosystems | 11 |
Plenary Lectures | 42 |
35 other sections not shown
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Common terms and phrases
abundance acid addition algae algal analysis annual appears aquatic average bacteria basin biomass calculated carbon cells changes chemical chlorophyll-a collected concentrations decrease density depth determined dissolved distribution dominant ecosystems effects environment estimated et al eutrophic experimental experiments factors Fish flow freshwater growth higher important increased indicate inputs Island lakes less limited Limnol loading losses lower macrophyte major maximum mean measured methods Michigan mixing natural nitrogen North nutrient observed occur organic oxygen period phosphorus phytoplankton plankton plants population present primary production proportion range rates ratio reduction References region relation relationships relative Research response River samples seasonal sediments showed significant similar species spring station stickleback stream summer surface Table temperature tion trophic University upper values variables variation winter zooplankton