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Comparison of catch and lake trout bycatch in commercial trap nets and gill nets targeting lake whitefish in northern Lake Huron

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Comparison of catch and lake trout bycatch in commercial trap nets and gill nets targeting lake whitefish in northern Lake Huron; 2004; Federal Government Series; 2071; Johnson, James E.; Ebener, Mark P.; Gebhardt, Kenneth; Bergstedt, Roger

Summary

We compared seasonal lake whitefish catch rates, lake trout bycatch, and gearinduced lake trout mortality between commercial trap nets and gill nets in north-central Lake Huron. Onboard monitors recorded catches from 260 gill net and 96 trap net lifts from October 1998 through December 1999. Catch rates for lake whitefish were highest in fall for both gear types, reflecting proximity of spawning sites to the study area. Lake whitefish catch rates were also relatively high in spring but low in both gear types in summer. Lake trout were the principal bycatch species in both gears. The lake trout bycatch was lowest in both gear types in fall, highest in gill nets in spring, and highest in trap nets in summer. The ratio of lake trout to [...]

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Harvested on Tue May 31 04:15:57 MDT 2016 from MODS XML Service

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Type Scheme Key
local-index unknown 2000065
local-pk unknown 2000065
series unknown Fisheries Research Report

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journalFisheries Research Report
languageEnglish
citationTypeReport

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