Show simple item record

dc.contributor.authorGlover, Kevin
dc.contributor.authorWennevik, Vidar
dc.contributor.authorHindar, Kjetil
dc.contributor.authorSkaala, Øystein
dc.contributor.authorFiske, Peder
dc.contributor.authorSolberg, Monica Favnebøe
dc.contributor.authorDiserud, Ola Håvard
dc.contributor.authorSvåsand, Terje
dc.contributor.authorKarlsson, Sten
dc.contributor.authorBerg Andersen, Lasse
dc.contributor.authorGrefsrud, Ellen Sofie
dc.PublishedFish and Fisheries. 2020, .
dc.description.abstractEscapes of domesticated fish from aquaculture, followed by interbreeding with wild conspecifics, represent a threat to the genetic integrity and evolutionary trajectory of natural populations. Approximately fifty years of Atlantic salmon production has left an unprecedented legacy of widespread introgression of domesticated escapees in wild Norwegian populations. A major question, however, is whether current aquaculture practice will lead to additional introgression in the near future. As part of the updated Norwegian risk assessment of fish farming, we conducted a risk assessment for further introgression of domesticated escapees in wild populations in Norway. Extensive data of reported numbers of escapees, observed proportions of escapees in rivers, removal of escapees pre‐spawning, and the resilience of wild populations through demographic and genetic status informed the risk assessment. The analysis revealed that rivers in 10 of the 13 aquaculture production zones covering Norway display a moderate or high risk of further introgression of domesticated escapees. This comes in addition to widespread introgression that is already documented. We therefore conclude that so long as aquaculture production continues at its present level and form, there is a moderate‐to‐high risk of further introgression of domesticated salmon in many native populations throughout much of Norway.en_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.titleThe future looks like the past: Introgression of domesticated Atlantic salmon escapees in a risk assessment frameworken_US
dc.typeJournal articleen_US
dc.typePeer revieweden_US
dc.rights.holderCopyright 2020 The Authorsen_US
dc.source.journalFish and Fisheriesen_US
dc.identifier.citationFish and Fisheries. 2020, 21 (6), 1077-1091en_US

Files in this item


This item appears in the following Collection(s)

Show simple item record

Navngivelse 4.0 Internasjonal
Except where otherwise noted, this item's license is described as Navngivelse 4.0 Internasjonal