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Tuesday, February 7 • 8:20am - 8:40am
Technical Session. Trends in Larval Fish Abundance in the Missouri River, Nebraska

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AUTHORS: Ryan L. Ruskamp, Nebraska Game and Parks Commission; Mark A. Pegg, University of Nebraska, Lincoln; Gerald E. Mestl, Nebraska Game and Parks Commission

ABSTRACT: The Missouri River has been highly altered by impoundments and channelization which has resulted in significant declines in many native fish species. Since the floods of 2010 and 2011 there have been notable declines in the condition of pallid sturgeon and other native species and a large increase in the number of invasive Silver and Bighead carps. The Nebraska Game and Parks Commission have been studying the larval fish community at multiple sites on the Missouri river bordering Nebraska since 1983, long-term data sets such as this can provide invaluable insight as to the impacts of these types of events. The objectives of this study are to quantify the temporal and spatial variations in the larval fish community (species richness) and structure (abundance) and attempt to relate this variation to physical conditions in the river such as discharge, water management and water quality.

Tuesday February 7, 2017 8:20am - 8:40am CST
Grand Ballroom C

Attendees (4)