Influence of artificial whole-lake aeration in Lake Carmi, VT
Alfaro, Maria
Alfaro, Maria
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Abstract
Lake Carmi, VT, an upstream tributary of Lake Champlain, has a long history of eutrophication. In July 2019, a whole-lake aeration system was deployed in Carmi to oxygenate bottom waters and control sediment P release. However, pre-aeration nutrient enrichment bioassays indicated phytoplankton were N or NP co-limited, demonstrating a need to better understand the role of N in Carmi. Preliminary analyses of bioassays repeated in 2022 and 2023 indicate cyanobacteria are more often N-limited than the phytoplankton community in summer and that organic N may limit phytoplankton growth when inorganic N species do not.
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2024-01-01
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Graduate
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Oral Paper Presentation
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Natural Resources
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Rubenstein School of Environmental and Natural Resources
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Life Sciences