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Preliminary Assessment of Pacific Lamprey Environmental DNA Samples from Western Washington Rivers.

Published by U.S. Fish and Wildlife Service | Department of the Interior | Metadata Last Checked: January 25, 2026 | Last Modified: 2024-07-31T00:00:00Z
qPCR detection results for Pacific Lamprey eDNA surveys from Western Washington Rivers and Streams. Water samples were collected via filtration and shipped to the laboratory for analysis. DNA was extracted from filters using commercially available extraction kits. Lab staff used two existing Pacific Lamprey qPCR eDNA surveys to screen DNA extracts for the presence of Pacific Lamprey DNA. Eight molecular replicates were run for each samples. Results presented in this table show the number of positive detections out of 8 for each sample and the corresponding mean Cq values for each sample with a detection.

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