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  4. 1930-1932 Gill net data from Lake Michigan

1930-1932 Gill net data from Lake Michigan

Dates

Publication Date
Start Date
1930-04-01
End Date
1932-11-30

Citation

Kao, Y., and Bunnell, D.B, 2020, 1930-1932 Gill net data from Lake Michigan: U.S. Geological Survey data release, https://doi.org/10.5066/P9JMLWER.

Summary

These data describe the catch and biological data from 363 bottom-set gill-net lifts distributed throughout Lake Michigan (including main basin and Green Bay) between April and November in 1930–1932. Data collected from the R/V Fulmar were recorded in notebooks and are now archived at the U.S. Geological Survey’s Great Lakes Science Center. Each lift included 1–7 gangs of linen gill nets. Each gang comprised 3–5 panels each having a length of 155 m, a height of 1.5 m, and a (stretch-)mesh size of either 60, 64, 67, 70, or 76 mm. The digitization of the Fulmar data notebooks was started in the late 1990s and finished in this study.

Contacts

Point of Contact :
David Bunnell
Originator :
Yu-Chun Kao, David Bunnell
Metadata Contact :
David Bunnell
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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Fulmar1930_1932-v4.xml
Original FGDC Metadata
View 		30.16 KB application/fgdc+xml
Fulmar_Catch.csv 193.64 KB text/csv
Fulmar_OP.csv 87.97 KB text/csv
Fulmar_fishv2.csv 1.67 MB text/csv
SpeciesTable.csv 659 Bytes text/csv

Purpose

A large cooperative effort was undertaken from 1930 through 1932 by the U.S. Bureau of Fisheries and the states of Michigan and Wisconsin to determine the effect of different gill-net mesh sizes on the catch of deepwater ciscoes, collectively marketed as chubs. This study was the first to employ a dedicated research vessel (R/V Fulmar) on the Great Lakes, and provided scientific justification for managers to increase the minimum mesh-sizes for the gill-net fishery. The data can be used to explore the historical distribution of fishes in Lake Michigan. Users should be aware of biases associated with using bottom-set gill net data, which can underestimate catches of pelagic-oriented species or life stages of species.

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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/P9JMLWER

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