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Effects of Base Addition on Acidified Lakes
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acid deposition acidic lakes acidification acidified lakes algae algal aluminum aquatic benthic biomass biotic calcite changes in lake changes in light changes in phytoplankton chemical chlorophyll chlorophyll concentrations chlorophyll levels chrysophyte coefficients Cranberry Pond Dart's Lake data collected decrease diatom dinoflagellates downwelling Driscoll effects of base emissions epilimnion Figure following base addition higher hypolimnetic heating rates hypolimnion irradiance lake acidity lake transparency light absorption light attenuation light penetration lower water column macrophyte macrophyte communities metalimnion nitrogen oxide observed oligotrophic phosphorus photosynthetic phytoplankton abundance phytoplankton communities phytoplankton growth phytoplankton production planktonic Pond and Woods post-treatment period pre-treatment period primary production purpurea reacidification reduced relative resistance to mixing result samples scattering Schmidt Stability sediments Simon Pond species composition study sites sulfur summer after liming taxa thermal characteristics thermal stability thermal stratification thermocline thermocline depth trophic levels upper water column Uptake L-D Utricularia purpurea water column transparency whole-lake Woods Lake zooplankton