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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 • 6:00pm - 9:00pm
(P48) Smallmouth Bass Habitat Use in the Upper Mississippi River

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AUTHORS. Colby G. Gainer, Ethan A. Rutledge, Hae H. Kim, Quinton E. Phelps – West Virginia University Division of Forestry and Natural Resources

ABSTRACT. Smallmouth bass are an economically important sportfish across the United States. Yet smallmouth bass have received little interest in the Upper Mississippi River. Understanding habitat needs of smallmouth bass could lead to improved management practices. Data from the United States Army Corps of Engineer’s Long-Term Resource Management Program was evaluated to assess the smallmouth bass habitat use. From 1993 to 2017, a total of 10,941 smallmouth bass were caught using day electrofishing in pool 4 (Lake City, Minnesota) and pool 8 (LaCrosse Wisconsin). Macrohabitat and mesohabitat use were assessed.  In regard to macrohabitat, main channel borders had the highest catch rates of smallmouth bass; this includes unstructured channel borders and wing dams. Smallmouth bass exhibited intermediate use in side channel borders, while backwaters were infrequently occupied. More specifically smallmouth bass tend to concentrate in areas with large substrate, moderate velocities across a range of depths. Information provided in this project can promote a better understanding of the smallmouth bass habitat use, ultimately enhancing management of the fish.

Tuesday January 29, 2019 6:00pm - 9:00pm EST
  Poster, Fishing/Field Surveys

Attendees (4)