Genetic Diversity of Hatchery-Bred Brown Trout (<i>Salmo trutta</i>) Compared with the Wild Population: Potential Effects of Stocking on the Indigenous Gene Pool of a Norwegian Res...

by Arne N. Linløkken, Stein I. Johnsen, Wenche Johansen
Published 2021-08-01

Environmental DNA (eDNA) Monitoring of Noble Crayfish Astacus astacus in Lentic Environments Offers Reliable Presence-Absence Surveillance – But Fails to Predict Population Density...

by Stein I. Johnsen, David A. Strand, Johannes C. Rusch, Johannes C. Rusch, Trude Vrålstad
Published 2020-12-01

Biocide Treatment of Invasive Signal Crayfish: Successes, Failures and Lessons Learned

by Stephanie Peay, Stein I. Johnsen, Colin W. Bean, Alison M. Dunn, Roar Sandodden, Lennart Edsman
Published 2019-02-01