Monitoring a Norwegian Freshwater Crayfish Tragedy: Edna Snapshots of Invasion, Infection and Extinction
Monitoring a Norwegian freshwater crayfish tragedy: eDNA snapshots of invasion, infection and extinction Strand, David A.; Johnsen, Stein Ivar; Rusch, Johannes C.; Agersnap, Sune; Larsen, William Brenner; Knudsen, Steen Wilhelm; Møller, Peter Rask; Vralstad, Trude Published in: Journal of Applied Ecology DOI: 10.1111/1365-2664.13404 Publication date: 2019 Document version Publisher's PDF, also known as Version of record Document license: CC BY Citation for published version (APA): Strand, D. A., Johnsen, S. I., Rusch, J. C., Agersnap, S., Larsen, W. B., Knudsen, S. W., Møller, P. R., & Vralstad, T. (2019). Monitoring a Norwegian freshwater crayfish tragedy: eDNA snapshots of invasion, infection and extinction. Journal of Applied Ecology, 56(7), 1661-1673. https://doi.org/10.1111/1365-2664.13404 Download date: 30. Sep. 2021 Received: 29 November 2018 | Accepted: 10 March 2019 DOI: 10.1111/1365-2664.13404 RESEARCH ARTICLE Monitoring a Norwegian freshwater crayfish tragedy: eDNA snapshots of invasion, infection and extinction David A. Strand1,2 | Stein Ivar Johnsen3 | Johannes C. Rusch1,4 | Sune Agersnap5,6 | William Brenner Larsen5 | Steen Wilhelm Knudsen5 | Peter Rask Møller5 | Trude Vrålstad1 1Norwegian Veterinary Institute, Oslo, Norway; 2Norwegian Institute Abstract for Water Research, Oslo, Norway; 1. The European noble crayfish Astacus astacus is threatened by crayfish plague 3Norwegian Institute for Nature Research, Lillehammer, Norway; 4Department of caused by the oomycete Aphanomyces astaci, which is spread by the invasive Biosciences, University of Oslo, Oslo, North American crayfish (e.g. signal crayfish Pacifastacus leniusculus). Surveillance Norway; 5Natural History Museum of Denmark, University of Copenhagen, of crayfish plague status in Norway has traditionally relied on the monitoring 6 Copenhagen, Denmark and Department survival of cage‐held noble crayfish, a method of ethical concern.
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