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Zooplankton biomass and density collected from the R/V LAURENTIAN and other small boats in Lake Michigan and Muskegon Lake in the Great Lakes region from 2021-05-10 to 2021-09-16 (NCEI Accession 0290558)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: October 04, 2025 | Last Modified: 2024-04-01T00:00:00.000+00:00
NOAA Great Lakes Environmental Research Laboratory (GLERL) samples and studies the ecosystem of the lower food web of the Laurentian Great Lakes. This collection contains zooplankton biomass and density data at three stations during the open water season in Lake Michigan and one station in Muskegon Lake in 2021. Note, no samples were collected in Lake Michigan in 2020 due to COVID-19. Zooplankton density is given in the number of organisms per cubic meter and biomass is given in milligrams per cubic meter. File formats included in this data package are .csv and jpg.

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