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Larval fish count, size, age, and diet collected from the R/V LAURENTIAN in Lake Michigan in the Great Lakes Region from 2010-04-13 to 2021-09-16 (NCEI Accession 0317150)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Catalog Last Checked: August 03, 2026 at 05:28 AM | Dataset Last Updated: July 28, 2026 at 12:00 AM
This dataset reports estimates of larval fish counts, size and age as well as diet via inspection of stomach contents for samples collected in Lake Michigan in 2010, 2015 and 2021 in support of the Great Lakes Restoration Initiative (GLRI) Cooperative Science and Monitoring Initiative (CSMI). The samples were collected from the R/V Laurentian using several different types of sampling including, Multiple Opening/Closing Net and Environmental Sensing System (MOCNESS), Neuston nets, Bongo nets, and Tucker trawl, sampling techniques are noted in the data tables for each sample. The data presented here are part of an on-going collection starting in Lake Michigan in 2010 and collected annually in conjunction with the Great Lakes Cooperative Science and Monitoring Initiative (CSMI) and the NOAA Great Lakes Environmental Research Laboratory (GLERL) Spatial Studies program. Larval fish were sampled with near surface tows using three different methods identified in the dataset, including 1) using a Neuston net of size 2 m2 (505 𝜇m mesh); 2) using a paired Bongo sampler at depth by oblique tows (60-cm diam., with 333- and 505-𝜇m mesh); or 3) using a multiple opening/closing net and environmental sensing system (MOCNESS, with 1 m^2 opening and 505 𝜇m mesh nets. Replicate tows of the samplers were made for 5 minutes alongside or aft of the ship, then brought aboard ship and washed. Samples were immediately preserved in 95% ethanol, transported to the laboratory, and sorted. A CTD was used to find the thermocline to allow for sample specific temperature strata depths (i.e. epilimnion, metalimnion, hypolimnion). Descriptions of lab processing, aging, diet identification and other calculations are described in the Supplemental Information. The data here available for download are in .csv format. Data are contained in the sample (“*-sample-data.csv”), larval age (“*-age-data.csv”), and diet (“*-diet-data.csv”) tables can be joined by op_id and sample_id columns. Ancillary information is available in the station “*-station-locations.csv”, “*-data-dictionary.csv”, and “*-species-name.csv” tables.

Resources

13 resources available

  • NCEI Dataset Landing Page

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  • Descriptive Information

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  • HTTPS

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  • NOAA National Centers for Environmental Information

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  • https://pages.mtu.edu/~naauer/larvalfishid/

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  • https://doi.org/10.1577/1548-8659(1986)115%3C34:moelfm%3E2.0.co;2

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  • https://doi.org/10.1111/j.1365-2400.2008.00610.x

    PLACEHOLDER/VALUE
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  • https://doi.org/10.1080/00028487.2014.886622

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  • https://doi.org/10.47886/9781934874486

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  • https://www.fisheries-refugia.org/resources/Larval_Fish_Identification/identification-fish-eggs-larvae/Techniques_Sampling_Fish_Eggs_and_Larvae.pdf

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  • https://doi.org/10.1577/1548-8659(1985)114%3C532:eoafbc%3E2.0.co;2

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  • https://doi.org/10.4031/002533205787444042

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  • GCMD Keyword Forum Page

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0317150 Fish ICHTHYOPLANKTON IDENTITY ICHTHYOPLANKTON LENGTH SPECIES IDENTIFICATION - AGE SPECIES IDENTIFICATION - COUNT CTD laboratory analysis

Complete Metadata
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accessLevel non-public
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describedByType application/octet-steam
description This dataset reports estimates of larval fish counts, size and age as well as diet via inspection of stomach contents for samples collected in Lake Michigan in 2010, 2015 and 2021 in support of the Great Lakes Restoration Initiative (GLRI) Cooperative Science and Monitoring Initiative (CSMI). The samples were collected from the R/V Laurentian using several different types of sampling including, Multiple Opening/Closing Net and Environmental Sensing System (MOCNESS), Neuston nets, Bongo nets, and Tucker trawl, sampling techniques are noted in the data tables for each sample. The data presented here are part of an on-going collection starting in Lake Michigan in 2010 and collected annually in conjunction with the Great Lakes Cooperative Science and Monitoring Initiative (CSMI) and the NOAA Great Lakes Environmental Research Laboratory (GLERL) Spatial Studies program. Larval fish were sampled with near surface tows using three different methods identified in the dataset, including 1) using a Neuston net of size 2 m2 (505 𝜇m mesh); 2) using a paired Bongo sampler at depth by oblique tows (60-cm diam., with 333- and 505-𝜇m mesh); or 3) using a multiple opening/closing net and environmental sensing system (MOCNESS, with 1 m^2 opening and 505 𝜇m mesh nets. Replicate tows of the samplers were made for 5 minutes alongside or aft of the ship, then brought aboard ship and washed. Samples were immediately preserved in 95% ethanol, transported to the laboratory, and sorted. A CTD was used to find the thermocline to allow for sample specific temperature strata depths (i.e. epilimnion, metalimnion, hypolimnion). Descriptions of lab processing, aging, diet identification and other calculations are described in the Supplemental Information. The data here available for download are in .csv format. Data are contained in the sample (“*-sample-data.csv”), larval age (“*-age-data.csv”), and diet (“*-diet-data.csv”) tables can be joined by op_id and sample_id columns. Ancillary information is available in the station “*-station-locations.csv”, “*-data-dictionary.csv”, and “*-species-name.csv” tables.
distribution 
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identifier https://data.noaa.gov/waf/NOAA/NESDIS/ncei/accessions/iso/xml/0317150.xml
issued 2026-07-28T00:00:00.000+00:00
keyword 
[
  "0317150",
  "Fish",
  "ICHTHYOPLANKTON IDENTITY",
  "ICHTHYOPLANKTON LENGTH",
  "SPECIES IDENTIFICATION - AGE",
  "SPECIES IDENTIFICATION - COUNT",
  "CTD",
  "laboratory analysis",
  "Multiple Opening/Closing Net and Environmental Sensing System (MOCNESS)",
  "net",
  "net - zooplankton net",
  "Neuston net",
  "trawl",
  "biological",
  "in situ",
  "LAURENTIAN",
  "NOAA Great Lakes Environmental Research Laboratory",
  "NOAA Great Lakes Environmental Research Laboratory",
  "Great Lakes",
  "oceanography",
  "DOC/NOAA/OAR/GLERL > Great Lakes Environmental Research Laboratory, OAR, NOAA, U.S. Department of Commerce",
  "Cooperative Science and Monitoring Initiative (CSMI)",
  "GLERL Spatial Studies",
  "EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > ANIMALS/VERTEBRATES > FISH",
  "EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > PROTISTS > PLANKTON",
  "CTD > Conductivity, Temperature, Depth",
  "MOCNESS > MOCNESS Plankton Net",
  "NETS > NETS",
  "NEUSTON NET",
  "PLANKTON NETS",
  "TRAWL",
  "nets",
  "LAURENTIAN (ICES code: 33LA)",
  "CONTINENT > NORTH AMERICA > CANADA > GREAT LAKES, CANADA",
  "CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > GREAT LAKES",
  "LB4P65"
]
landingPage https://www.ncei.noaa.gov/contact
language 
[]
license https://creativecommons.org/publicdomain/zero/1.0/
modified 2026-07-28T00:00:00.000+00:00
publisher 
{
  "name": "NOAA National Centers for Environmental Information",
  "@type": "org:Organization"
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references 
[
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  "https://doi.org/10.1577/1548-8659(1986)115%3C34:moelfm%3E2.0.co;2",
  "https://doi.org/10.1111/j.1365-2400.2008.00610.x",
  "https://doi.org/10.1080/00028487.2014.886622",
  "https://doi.org/10.47886/9781934874486",
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rights otherRestrictions
spatial -86.3,43.1,-86.6,43.2
temporal 2010-04-13T00:00:00+00:00/2021-09-16T00:00:00+00:00
theme 
[
  "geospatial"
]
title Larval fish count, size, age, and diet collected from the R/V LAURENTIAN in Lake Michigan in the Great Lakes Region from 2010-04-13 to 2021-09-16 (NCEI Accession 0317150)

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