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Lake Ontario Spring (April) Prey Fish Bottom Trawl Survey, 1978-2025
This data release includes Lake Ontario fish data from the April or spring prey fish bottom trawl survey, conducted by multiple agencies from 1978 through 2025.This survey goal... -
1930-1932 Gill net data from Lake Michigan
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... -
Supplemental discrete dissolved-solids and specific conductance data and mont...
Monthly Mean Dissolved-Solids Concentration and Monthly Mean Dissolved-Solids Load Data Flow weighted monthly mean dissolved-solids concentrations (mg/L) data and monthly mean... -
Morphometric measurements of Cisco (Coregonus artedi) from Lake Ontario 2018
These data contain morphometric measurements collected on the left side of Cisco (Coregonus artedi) collected from Lake Ontario in 2018. Measurements were obtained by two... -
Great Lakes Research Vessel Operations 1958-2018: Gillnet. (ver. 3.0, April 2...
All gillnet data represented here expand upon vessel operations (OP table) data, all of which are collected by the United States Geological Survey, Great Lakes Science Center... -
Great Lakes Research Vessel Operations 1958-2018: Trawl. (ver. 3.0, April 2019)
All trawl data represented here expand upon vessel operations (OP table) data, all of which are collected by the United States Geological Survey, Great Lakes Science Center and...