Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Skip to content
  • Feedback

    • 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)

    Metadata Updated: October 2, 2025

    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.

    Access & Use Information

    License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

    Downloads & Resources

    Dates

    Metadata Date 2025-05-16T15:34:44Z
    Metadata Created Date February 1, 2025
    Metadata Updated Date October 2, 2025
    Reference Date(s) April 1, 2024 (publication)
    Frequency Of Update asNeeded

    Metadata Source

    Harvested from NOAA/NESDIS/ncei/accessions

    Other Data Resources

    Graphic Preview

    Preview graphic

    Additional Metadata

    Resource Type Dataset
    Metadata Date 2025-05-16T15:34:44Z
    Metadata Created Date February 1, 2025
    Metadata Updated Date October 2, 2025
    Reference Date(s) April 1, 2024 (publication)
    Responsible Party (Point of Contact)
    Contact Email
    Guid gov.noaa.nodc:0290558
    Access Constraints Cite as: Cavaletto, Joann; Vanderploeg, Henry; Pothoven, Steven A.; Rutherford, Edward; Glyshaw, Paul; Tomczak, Madeline; Lugten, Eliza; NOAA Great Lakes Environmental Research Laboratory (2024). 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). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0290558. Accessed [date]., Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose.
    Bbox East Long -86.2
    Bbox North Lat 43.23
    Bbox South Lat 43.18
    Bbox West Long -86.54
    Coupled Resource
    Frequency Of Update asNeeded
    Graphic Preview Description Preview graphic
    Graphic Preview File https://www.ncei.noaa.gov/access/metadata/landing-page/bin/gfx?id=gov.noaa.nodc:0290558
    Graphic Preview Type PNG
    Harvest Object Id 8bdedcb3-ae4f-441f-997b-02f5ab2c5633
    Harvest Source Id c084a438-6f6b-470d-93e0-16aeddb9f513
    Harvest Source Title NOAA/NESDIS/ncei/accessions
    Licence accessLevel: Public
    Lineage
    Metadata Language eng
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": [[[-86.54, 43.18], [-86.2, 43.18], [-86.2, 43.23], [-86.54, 43.23], [-86.54, 43.18]]]}
    Progress completed
    Spatial Data Service Type
    Spatial Reference System
    Spatial Harvester True
    Temporal Extent Begin 2021-05-10
    Temporal Extent End 2021-09-16

    Didn't find what you're looking for? Suggest a dataset here.