Establishing and implementing eDNA as a molecular technique to assess the presence of Asian carp in large Minnesota rivers

This project demonstrated that initial 2011 measurements of Asian carp eDNA in the Mississippi River were almost certainly fallacious and attributable to poor markers. New measurements conducted after by MAISRC researchers and later the USFWS have been unable to confirm these measures. MAISRC studies also developed new and better techniques to measure eDNA. The release and decay rates researchers calculated for eDNA by bigheaded carp have added even greater resolution and significance to eDNA techniques and ongoing studies which can now be interpreted with much greater certainty. Our finding that eDNA release is closely correlated with feeding activity is especially germane; now, future eDNA measurement will be much more relevant.