Browsing Bergen Open Research Archive by Author "Glover, Kevin"
Now showing items 21-40 of 61
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The future looks like the past: Introgression of domesticated Atlantic salmon escapees in a risk assessment framework
Glover, Kevin; Wennevik, Vidar; Hindar, Kjetil; Skaala, Øystein; Fiske, Peder; Solberg, Monica Favnebøe; Diserud, Ola Håvard; Svåsand, Terje; Karlsson, Sten; Berg Andersen, Lasse; Grefsrud, Ellen Sofie (Journal article; Peer reviewed, 2020)Escapes 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 ... -
Gene expression in Atlantic salmon skin in response to infection with the parasitic copepod Lepeophtheirus salmonis, cortisol implant, and their combination
Krasnov, Aleksei; Skugor, Stanko; Todorcevic, Marijana; Glover, Kevin; Nilsen, Frank (Peer reviewed; Journal article, 2012-04-05)Background: The salmon louse is an ectoparasitic copepod that causes major economic losses in the aquaculture industry of Atlantic salmon. This host displays a high level of susceptibility to lice which can be accounted ... -
Genetic analysis of goldsinny wrasse reveals evolutionary insights into population connectivity and potentialevidence of inadverent translocationvia aquaculture
Jansson, Eeva; Sanchez, Maria Quintela; Dahle, Geir; Albretsen, Jon; Knutsen, Halvor; André, Carl; Strand, Åsa; Mortensen, Stein; Taggart, John B.; Karlsbakk, Egil; Kvamme, Bjørn Olav; Glover, Kevin (Peer reviewed; Journal article, 2017)The salmon industry is heavily dependent on wrasse for delousing infected fish. The goldsinny wrasse is numerically the most important, and each year, millions are harvested from the wild and transported large distances ... -
Genetic analysis redraws the management boundaries for the European sprat
Kvamme, Cecilie; Bekkevold, Dorte; Nash, Richard David Marriott; Jansson, Eeva; Sørvik, Anne Grete Eide; Taggart, John B.; Skaala, Øystein; Dahle, Geir; Glover, Kevin; Quintela, Maria (Journal article; Peer reviewed, 2020)Sustainable fisheries management requires detailed knowledge of population genetic structure. The European sprat is an important commercial fish distributed from Morocco to the Arctic circle, Baltic, Mediterranean, and ... -
Genetic introgression of farmed salmon in native populations: quantifying the relative influence of population size and frequency of escapees
Heino, Mikko Petteri; Svåsand, Terje; Wennevik, Vidar; Glover, Kevin (Peer reviewed; Journal article, 2015-02-11)Farmed escapees may threaten the genetic integrity of native salmon populations through interbreeding. However, introgression requires survival until maturation, successful reproduction and successful early development. ... -
Genetic management of mixed-stock fisheries "real-time": The case of the largest remaining cod fishery operating in the Atlantic in 2007-2017
Dahle, Geir; Johansen, Torild; Westgaard, Jon-Ivar; Aglen, Asgeir; Glover, Kevin (Peer reviewed; Journal article, 2018-09)Fish stocks represent fundamental units in fisheries management, and their identification, especially in mixed-fisheries, represents one of the primary challenges to sustainable harvest. Here, we describe the first “real-time” ... -
Genetic screening of farmed Atlantic salmon escapees demonstrates that triploid fish display reduced migration to freshwater
Glover, Kevin; Bos, J. B.; Urdal, Kurt; Madhun, Abdullah Sami; Sørvik, Anne Grete Eide; Unneland, Laila; Seliussen, Bjørghild Breistein; Skaala, Øystein; Skilbrei, Ove Tommy; Tang, Y.; Wennevik, Vidar (Peer reviewed; Journal article, 2016-05)Each year, hundreds of thousands of farmed Atlantic salmon escape from fish farms into the wild. Some of these escapees enter freshwater, and manage to interbreed with native populations. To hinder further genetic introgression ... -
Genome wide analysis reveals genetic divergence between Goldsinny wrasse populations
Jansson, Eeva; Besnier, Francois; Malde, Ketil; André, Carl; Dahle, Geir; Glover, Kevin (Journal article; Peer reviewed, 2020)Background Marine fish populations are often characterized by high levels of gene flow and correspondingly low genetic divergence. This presents a challenge to define management units. Goldsinny wrasse (Ctenolabrus ... -
Genomic analysis reveals neutral and adaptive patterns that challenge the current management regime for East Atlantic cod Gadus morhua L
Johansen, Torild; Besnier, Francois; Sanchez, Maria Quintela; Jorde, Per Erik; Glover, Kevin; Westgaard, Jon-Ivar; Dahle, Geir; Lien, Sigbjørn; Kent, Matthew Peter (Journal article; Peer reviewed, 2020)Challenging long‐held perceptions of fish management units can help to protect vulnerable stocks. When a fishery consisting of multiple genetic stocks is managed as a single unit, overexploitation and depletion of minor ... -
Genotyping errors in a calibrated DNA register: implications for identification of individuals
Haaland, Øystein; Glover, Kevin; Seliussen, Bjørghild Breistein; Skaug, Hans J. (Peer reviewed; Journal article, 2011-04-20)Background: The use of DNA methods for the identification and management of natural resources is gaining importance. In the future, it is likely that DNA registers will play an increasing role in this development. ... -
Good ethics or political and cultural censoring in science?
Torrissen, Ole; Glover, Kevin; Haug, tore; Misund, Ole Arve; Skaug, Hans J.; Kaiser, Matthias (Peer reviewed; Journal article, 2012)Peer-reviewed journals are the cornerstones to communicating scientific results. They play a crucial role in quality assurance through the review process, but they also create opportunities for discussions in the scientific ... -
Growth reaction norms of domesticated, wild and hybrid Atlantic salmon families in response to differing social and physical environments
Solberg, Monica Favnebøe; Zhang, Zhiwei; Nilsen, Frank; Glover, Kevin (Peer reviewed; Journal article, 2013-10-28)Background: Directional selection for growth has resulted in the 9-10th generation of domesticated Atlantic salmon Salmo salar L. outgrowing wild salmon by a ratio of approximately 3:1 when reared under standard hatchery ... -
Half a century of genetic interaction between farmed and wild Atlantic salmon: Status of knowledge and unanswered questions
Glover, Kevin; Solberg, Monica Favnebøe; McGinnity, Phil; Hindar, Kjetil; Verspoor, Eric; Coulson, Mark W.; Hansen, Michael Möller; Araki, Hitoshi; Skaala, Øystein; Svåsand, Terje (Peer reviewed; Journal article, 2017)Atlantic salmon (Salmo salar) is one of the best researched fishes, and its aquaculture plays a global role in the blue revolution. However, since the 1970s, tens of millions of farmed salmon have escaped into the wild. ... -
Hatching time and alevin growth prior to the onset of exogenous feeding in farmed, wild and hybrid Norwegian Atlantic salmon
Solberg, Monica Favnebøe; Fjelldal, Per Gunnar; Nilsen, Frank; Glover, Kevin (Peer reviewed; Journal article, 2014-12-01)The onset of exogenous feeding, when juveniles emerge from the gravel, is a critical event for salmonids where early emergence and large size provide a competitive advantage in the wild. Studying 131 farmed, hybrid and ... -
Human-induced evolution caught in action: SNP-array reveals rapid amphi-atlantic spread of pesticide resistance in the salmon ecotoparasite Lepeophtheirus salmonis
Besnier, Francois; Kent, Matthew; Skern-Mauritzen, Rasmus; Lien, Sigbjørn; Malde, Ketil; Edvardsen, Rolf; Taylor, Simon; Ljungfeldt, Lina; Nilsen, Frank; Glover, Kevin (Peer reviewed; Journal article, 2014-10-26)Background: The salmon louse, Lepeophtheirus salmonis, is an ectoparasite of salmonids that causes huge economic losses in salmon farming, and has also been causatively linked with declines of wild salmonid populations. ... -
Hybrids between common and Antarctic minke whales are fertile and can back-cross
Glover, Kevin; Kanda, Naohisa; Haug, Tore; Pastene, Luis A.; Øien, Nils Inge; Seliussen, Bjørghild Breistein; Sørvik, Anne Grete Eide; Skaug, Hans J. (Peer reviewed; Journal article, 2013-04-15)Background: Minke whales are separated into two genetically distinct species: the Antarctic minke whale found in the southern hemisphere, and the common minke whale which is cosmopolitan. The common minke whale is further ... -
Implications for introgression: Has selection for fast growth altered the size threshold for precocious male maturation in domesticated Atlantic salmon?
Harvey, Alison C.; Skilbrei, Ove Tommy; Besnier, Francois; Solberg, Monica Favnebøe; Sørvik, Anne Grete Eide; Glover, Kevin (Peer reviewed; Journal article, 2018-12-18)Background: Mature male parr (MMP) represent an important alternative life-history strategy in Atlantic salmon populations. Previous studies indicate that the maturation size threshold for male parr varies among wild ... -
Inferring Atlantic salmon post-smolt migration patterns using genetic assignment
Harvey, Alison C.; Sanchez, Maria Quintela; Glover, Kevin; Karlsen, Ørjan; Nilsen, Rune; Skaala, Øystein; Sægrov, Harald; Kolås, Steinar; Knutar, Sofie; Wennevik, Vidar (Peer reviewed; Journal article, 2019)Understanding migratory patterns is important for predicting and mitigating unwanted consequences of environmental change or anthropogenic challenges on vulnerable species. Wild Atlantic salmon undergo challenging migrations ... -
The influence of vgll3 genotypes on sea age at maturity is altered in farmed mowi strain Atlantic salmon
Ayllon, Fernando; Solberg, Monica Favnebøe; Glover, Kevin; Mohammadi, Faezeh; Kjærner-Semb, Erik Nordtorp; Fjelldal, Per Gunnar; Andersson, Eva; Hansen, Tom Johnny; Edvardsen, Rolf; Wargelius, Anna (Peer reviewed; Journal article, 2019-05-06)Background: In Atlantic salmon in the wild, age at maturity is strongly influenced by the vgll3 locus. Under farming conditions, light, temperature and feeding regimes are known significantly advance or delay age at maturity. ... -
Investigating population genetic structure in a highly mobile marine organism: The minke whale Balaenoptera acutorostrata acutorostrata in the North East Atlantic
Sanchez, Maria Quintela; Skaug, Hans J.; Øien, Nils Inge; Haug, Tore; Seliussen, Bjørghild Breistein; Solvang, Hiroko Kato; Pampoulie, Christophe; Kanda, Naohisa; Pastene, Luis A.; Glover, Kevin (Peer reviewed; Journal article, 2014-09-30)Inferring the number of genetically distinct populations and their levels of connectivity is of key importance for the sustainable management and conservation of wildlife. This represents an extra challenge in the marine ...