asia biodiversity biologicalapparatusandsupplies biologicalstations bioticcommunities cheboygancounty congresses control environmentalconditions environmentalimpactanalysis eutrophication fishing forestecology freshwaterecology freshwaterfishes freshwaterorganisms juvenileliterature lakeecology landscapechanges limnology marinebiology marineecology michigan naturalhistory organicwaterpollutants polarregions pollution prevention research sedimentationanddeposition streamanimals streamecology streamplants streamself-purification td425i61e1967 water waterpollution waterqualitymanagement