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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 7, 2018). Please check back for updates. To return to the main Conference website, go to: www.midwestfw.org.

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The conference schedule is hosted in SCHED which allows you to search within the schedule, and filter the schedule to show items only occurring on a certain date or within a track/symposia.
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Tuesday, January 29 • 2:00pm - 2:20pm
(SYMPOSIA-11) Effects of Temperature and Exposure Duration on Four Potential Rapid-Response Tools for Zebra Mussel (Dreissena polymorpha) Eradication

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AUTHORS: Todd Severson, James Luoma, Jeremy Wise, Matthew Barbour – US Geological Survey

ABSTRACT: Because zebra mussels (Dreissena polymorpha) continue to spread through inland lakes and rivers of North America somewhat undeterred, the need to develop tools to control their populations has become a major research effort.  Developing data regarding the impacts of water temperature and exposure duration on the toxicity of chemical molluscicides to zebra mussels will assist resource managers to select a treatment regimen with the greatest potential for successful eradication. We evaluated the toxicity of two EPA-registered (EarthTec QZ and Zequanox) and two nonregistered (potassium chloride and niclosamide) zebra mussels toxicants over a range of water temperatures and exposure durations. We evaluated each toxicant in replicated laboratory studies conducted at 7, 12, 17, and 22°C using exposure durations ranging from 8 hours to 14 days. The minimum lethal concentration of toxicant(s) and the exposure duration required to achieve complete zebra mussel mortality at each test temperature will be presented.

Tuesday January 29, 2019 2:00pm - 2:20pm
CENTER STREET ROOM A