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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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Tuesday, January 29 • 10:20am - 10:40am
(SYMPOSIA-09) Using Carbon Dioxide to Control Aquatic Invasive Species

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AUTHORS: Cory Suski, University of Illinois; Kim Fredricks, Upper Midwest Environmental Sciences Center ABSTRACT: Carbon dioxide is a commonly occurring, natural compound that is found in aquatic environments.  Recently there has been an interest in using zones of elevated carbon dioxide to act as a movement deterrent for both invasive fishes and invertebrates.  Despite the promise of this tool to aid in the control of aquatic nuisance species, there are a number of questions and concerns that arise with its use, particularly related to impacts on non-target organisms and the receiving environment.  The current talk will provide an overview of carbon dioxide in aquatic environments, and show how carbon dioxide can impact both invertebrates and vertebrates, ranging from physiological disturbances to ion disequilibrium to behavioral changes.  The impacts of elevated carbon dioxide on the receiving environment will be discussed, along with summary of factors influencing individual variation to high CO<sub>2</sub>.  Directions for future research and unanswered questions will also be outlined.  Together, this presentation will provide an overview of how elevated carbon dioxide can impact aquatic ecosystems, and how it can function as a non-physical deterrent for aquatic invasive species.

Tuesday January 29, 2019 10:20am - 10:40am
HOPE BALLROOM C