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Welcome to the interactive web schedule for the 2019 Midwest Fish & Wildlife Conference! The schedule is subject to change (as of November 20, 2018). Please check back for updates. To return to the main Conference website, go to: www.midwestfw.org.

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Tuesday, January 29 • 6:00pm - 9:00pm
(P57) Movements and Habitat Use of Muskellunge in Green Bay, Lake Michigan

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AUTHORS. Robert Sheffer, Daniel Dembkowski – Wisconsin Cooperative Fishery Research Unit, University of Wisconsin-Stevens Point; Steven Hogler, Wisconsin Department of Natural Resources; Joshua Raabe, University of Wisconsin-Stevens Point, Daniel Isermann, U.S. Geological Survey, Wisconsin Cooperative Fishery Research Unit, University of Wisconsin-Stevens Point.

ABSTRACT. Green Bay and its tributaries support a world-class fishery for trophy muskellunge that attracts anglers from across North America. The Lower Fox River and Green Bay muskellunge population is largely supported by stocking because natural recruitment is limited, possibly due to habitat limitations. While previous work has identified potential spawning locations, it is unknown whether muskellunge hatch at these locations and habitat attributes associated with successful hatching have not been determined. Our objectives are to: 1) determine the proportion of muskellunge spawning in tributaries to lower Green Bay or in Green Bay proper; 2) determine the proportion of adults that return to stocking locations to spawn; 3) determine if muskellunge return to the same spawning locations in consecutive year; 4) define habitat conditions that result in successful hatching and 5) characterize general movement patterns of muskellunge. We will identify spawning sites of tagged muskellunge (N = 60) using radio and acoustic telemetry and conduct spawning habitat surveys. Presence or absence of eggs and larvae at spawning sites will be used to develop predictive maps of suitable habitat throughout the Green Bay ecosystem.

Tuesday January 29, 2019 6:00pm - 9:00pm
Superior Ballroom CD