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Fauna crime: elucidating the potential source and introduction history of European smelt (Osmerus eperlanus L.) into Lake Storsjøen, Norway

Hagenlund, Mari; Østbye, Kjartan; Langdal, Kjell; Hassve, Marius; Pettersen, Ruben A.; Anderson, Eric; Gregersen, Finn; Præbel, Kim
Journal article, Peer reviewed
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URI
http://hdl.handle.net/11250/283076
Date
2015
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  • Artikkel - fagfellevurdert vitenskapelig / Articles - peer-reviewed [1246]
Original version
Hagenlund, M., Østbye, K., Langdal, K., Hassve, M. H., Pettersen, R. A., Anderson, E., . . . Præbel, K. (2015). Fauna crime: elucidating the potential source and introduction history of European smelt (Osmerus eperlanus L.) into Lake Storsjøen, Norway. Conservation Genetics. doi: 10.1007/s10592-015-0724-2   10.1007/s10592-015-0724-2
Abstract
The ability to accurately determine the original

source of invading species offers several powerful applications

in invasive species ecology and management and

may enable important information on the invading species

in its native habitat. Lake Storsjøen in South-Central Norway

was recently found to have been subjected to an illegal

translocation of the European smelt (Osmerus eperlanus).

The main aim of this study was to infer the most likely

source (s) of the invading smelt by using microsatellite

markers, and subsequently to infer its introduction history.

The results indicated that the smelt is most likely a result of

introduction from the large Lake Mjøsa, and that the

translocated smelt comprise a large number of individuals.

The smelt in Lake Storsjøen showed no significant genetic bottleneck effect. However, a corresponding significant test

for a recent population expansion indicates that the smelt

has had a high reproductive success and population growth

in its new environment. The results from this study illustrate

the usefulness of applying multilocus genetic markers for

inferring origin of translocated populations, demographic

events and introduction histories comprising an effective

tool for assessment of invasive species.
Publisher
Springer
Journal
Conservation genetics

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