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CONFERENCE SCHEDULE UPDATES & CHANGES: As a result of the prolonged government shutdown, we experienced a number of cancellations and changes to the schedule. Cancellations and changes are listed here (as of January 26, 2019). 
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Tuesday, January 29 • 1:20pm - 1:40pm
(SYMPOSIA-07) Paddlefish Migration: Evidence to Support Need for Interjurisdictional Management

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AUTHORS: Sara Tripp, Missouri Department of Conservation; Dr. Quinton Phelps, West Virginia University; David Herzog, Missouri Department of Conservation

ABSTRACT: The scale of policy required to effectively manage or restore species that cross jurisdictional boundaries is a critical component for sustainability across a species’ range. Many riverine fish species (i.e., Paddlefish) range far beyond state boundaries; which makes existing state-by state management strategies null when conservation and sustainability goals differ widely. Before management strategies can be implemented, quantifying movement patterns is necessary to determine the appropriate spatial scale for management. Prior information collected using tag return data, has shown long-range movements for Paddlefish, but the proportion of the population making these movements is often underestimated from this type of data. Because of this, we investigated broad scale movement patterns of Paddlefish in the Mississippi River using acoustic telemetry. With the increasing use of this technology, researchers throughout the Mississippi River Basin now have access to a stationary receiver array that spans from Minnesota down to Louisiana and includes all major tributaries and many other locations. Without, the sharing of data among states and agencies, this type of data collection and analysis is not feasible. After summarizing more than a million detections from over 200 Paddlefish implanted with transmitters throughout the Mississippi Rivers, the data suggests that over 50% of the paddlefish tagged are migratory and moving freely among rivers (e.g., Mississippi, Missouri, Illinois, and Ohio rivers) across many political boundaries and encompassing multiple regulatory agencies. This type of information regarding spatial bounds is now being incorporated with population demographic information to develop a basin wide management plan that could be implemented in portions of the Paddlefish range.

Tuesday January 29, 2019 1:20pm - 1:40pm EST