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  4. Lake trout hatch rates using adults collected in 2019 from Northern Refuge, Lake Michigan

Lake trout hatch rates using adults collected in 2019 from Northern Refuge, Lake Michigan

Dates

Publication Date
Start Date
2019-10-30
End Date
2020-03-16

Citation

Keeler, K.M. and Madenjian, C.P. 2022, Lake trout hatch rates using adults collected in 2019 from Northern Refuge, Lake Michigan: U.S. Geological Survey data release, https://doi.org/10.5066/P9H094S2.

Summary

Data includes hatch, unfertilized, underdeveloped, and larval mortality count data of lake trout (Salvelinus namaycush) eggs fertilized from adult gametes collected within Northern Refuge reefs in Lake Michigan conducted by the U.S. Geological Survey Great Lakes Science Center during Fall 2019 gill net survey. Adult lake trout were collected using gill net (4.5, 5.5, and 6.0 inch) panels. Gametes were removed and fertilized in the field and then incubated at the Great Lakes Science Center Aquatic Research Laboratory in Ann Arbor, MI. Results are reported as date, collection reef, latitude, longitude, tray number, reef panel, and counts (unfertilized, dead or unsuccessful hatch, hatched, and larval mortality).

Contacts

Point of Contact :
Kevin M Keeler
Process Contact :
Charles P Madenjian, Kevin M Keeler
Originator :
Kevin M Keeler, Charles P Madenjian
Metadata Contact :
Kevin M Keeler
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Great Lakes Science Center
USGS Mission Area :
Ecosystems

Attached Files

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Lake trout hatch rates using adults collected from Northern Refuge Lake Michigan 2019_20220419.xml
Original FGDC Metadata
View 		23.32 KB application/fgdc+xml
LakeTroutEggHatchData.csv 72.5 KB text/csv

Purpose

Adults were collected during fall gillnet surveys in 2019 within the Northern Refuge of Lake Michigan, fertilized in the field, and brought to the U.S. Geological Survey Great Lakes Science Center Aquatic Research Laboratory in Ann Arbor, MI. Hatch rate data of lake trout (Salvelinus namaycush) eggs collected from Lake Michigan at reefs within the Northern Refuge conducted by the U.S. Geological Survey during Fall 2019 with eggs being incubated through 2019 into 2020. The results of this effort have been used by other USGS centers, university collaborators, and natural resource management agencies within the Great Lakes basin to determine the overall health of lake trout.

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Communities

  • Great Lakes Science Center (GLSC)
  • USGS Data Release Products

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Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9H094S2

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