期刊
AQUACULTURE INTERNATIONAL
卷 26, 期 1, 页码 49-60出版社
SPRINGER
DOI: 10.1007/s10499-017-0194-2
关键词
Lumpfish; Norway; Population genetics; Aquaculturemanagement
类别
资金
- Regional Research Fund of Northern Norway (POPKJEKS) [220615]
- Regional Research Fund of Northern Norway (AVLUS) [239135]
The potential for genetic contamination of stocks arising from translocation and subsequent release or escape of translocated and/or genetically mixed stocks may be a significant risk to wild populations. In this context, we undertook a population genetic survey of stocks of lumpfish (Cyclopterus lumpus) along the Norwegian coast to establish the existing genetic population structure, which will aid the development of policy of the species' use as cleaner fish in salmonid aquaculture. This was done by using 14 microsatellite loci and 287 specimens collected at five fishing grounds, covering most of the Norwegian coastline from south to north, with additional 18 samples of first-generation reared fish from a fish farm outside Tromso (North Norway). Overall, there was no indication of significant spatial genetic structuring or of positive correlation between geographic and genetic distance among the wild lumpfish samples. These results suggest that, should translocated individuals escape from aquaculture in Norway, this will probably have little to no impact on the genetic composition of the local fish population.
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