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Bull trout eDNA and water volume comparison data, Flathead River Basin MT, 2016

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: August 01, 2026 at 05:06 AM | Dataset Last Updated: August 26, 2020 at 12:00 AM
We used field surveys to compare coarse filter-large water volume samples (hereafter large volume filter samples) vs. fine filter-small water volume samples (hereafter small volume filter samples) for detection and quantification of bull trout (Salvelinus confluentis). We collected eDNA water samples in 2016 from three long-term fish monitoring sites in tributary streams (~ 2nd order) in the Flathead River, MT with low densities (less than 1 fish per 100 m2) of juvenile bull trout We report the quantity of bull trout DNA detected.

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