Search Results - "Johansen, Torild"

Genomic signatures of local directional selection in a high gene flow marine organism; the Atlantic cod (Gadus morhua) by Nielsen, Einar E, Hemmer-Hansen, Jakob, Poulsen, Nina A, Loeschcke, Volker, Moen, Thomas, Johansen, Torild, Mittelholzer, Christian, Taranger, Geir-Lasse, Ogden, Rob, Carvalho, Gary R

“…Marine fishes have been shown to display low levels of genetic structuring and associated high levels of gene flow, suggesting shallow evolutionary…”
Get full text

A genomic island linked to ecotype divergence in Atlantic cod by Hemmer-Hansen, Jakob, Nielsen, Einar E., Therkildsen, Nina O., Taylor, Martin I., Ogden, Rob, Geffen, Audrey J., Bekkevold, Dorte, Helyar, Sarah, Pampoulie, Christophe, Johansen, Torild, Carvalho, Gary R.

“…The genomic architecture underlying ecological divergence and ecological speciation with gene flow is still largely unknown for most organisms. One central…”
Get full text

Hierarchical genetic structure in an evolving species complex: Insights from genome wide ddRAD data in Sebastes mentella by Saha, Atal, Kent, Matthew, Hauser, Lorenz, Drinan, Daniel P, Nielsen, Einar E, Westgaard, Jon-Ivar, Lien, Sigbjørn, Johansen, Torild

“…The diverse biology and ecology of marine organisms may lead to complex patterns of intraspecific diversity for both neutral and adaptive genetic variation…”
Get full text

Genetically distinct populations of northern shrimp, Pandalus borealis, in the North Atlantic: adaptation to different temperatures as an isolation factor by Jorde, Per Erik, Søvik, Guldborg, Westgaard, Jon-Ivar, Albretsen, Jon, André, Carl, Hvingel, Carsten, Johansen, Torild, Sandvik, Anne Dagrun, Kingsley, Michael, Jørstad, Knut Eirik

“…The large‐scale population genetic structure of northern shrimp, Pandalus borealis, was investigated over the species’ range in the North Atlantic, identifying…”
Get full text

Geographic variation in gene flow from a genetically distinct migratory ecotype drives population genetic structure of coastal Atlantic cod (Gadus morhua L.) by Breistein, Bjoerghild, Dahle, Geir, Johansen, Torild, Besnier, Francois, Quintela, Maria, Jorde, Per Erik, Knutsen, Halvor, Westgaard, Jon‐Ivar, Nedreaas, Kjell, Farestveit, Eva, Glover, Kevin Alan

“…Identifying how physical and biotic factors shape genetic connectivity among populations in time and space is essential to our understanding of the…”
Get full text

New encounters in Arctic waters: a comparison of metabolism and performance of polar cod (Boreogadus saida) and Atlantic cod (Gadus morhua) under ocean acidification and warming by Kunz, Kristina Lore, Frickenhaus, Stephan, Hardenberg, Silvia, Johansen, Torild, Leo, Elettra, Pörtner, Hans-Otto, Schmidt, Matthias, Windisch, Heidrun Sigrid, Knust, Rainer, Mark, Felix Christopher

“…Oceans are experiencing increasing acidification in parallel to a distinct warming trend in consequence of ongoing climate change. Rising seawater temperatures…”
Get full text

Genomic analysis reveals neutral and adaptive patterns that challenge the current management regime for East Atlantic cod Gadus morhua L by Johansen, Torild, Besnier, François, Quintela, María, Jorde, Per Erik, Glover, Kevin A., Westgaard, Jon‐Ivar, Dahle, Geir, Lien, Sigbjørn, Kent, Matthew P.

“…Challenging long‐held perceptions of fish management units can help to protect vulnerable stocks. When a fishery consisting of multiple genetic stocks is…”
Get full text

Distinct genetic clustering in the weakly differentiated polar cod, Boreogadus saida Lepechin, 1774 from East Siberian Sea to Svalbard by Quintela, María, Bhat, Shripathi, Præbel, Kim, Gordeeva, Natalia, Seljestad, Gaute W., Hanebrekke, Tanja, Mateos-Rivera, Alejandro, Vikebø, Frode, Zelenina, Daria, Cheng, Chi-Hing Christina, Johansen, Torild

“…The cold-adapted polar cod Boreogadus saida, a key species in Arctic ecosystems, is vulnerable to global warming and ice retreat. In this study, 1257…”
Get full text

Cryptic Sebastes norvegicus species in Greenland waters revealed by microsatellites by Saha, Atal, Hauser, Lorenz, Hedeholm, Rasmus, Planque, Benjamin, Fevolden, Svein-Erik, Boje, Jesper, Johansen, Torild

“…Abstract Identification of cryptic species can have profound implications in fishery management, conservation and biodiversity contexts. In the North Atlantic,…”
Get full text

Maximizing sampling efficiency to detect differences in fish community composition using environmental DNA metabarcoding in subarctic fjords by Guri, Gledis, Westgaard, Jon‐Ivar, Yoccoz, Nigel, Wangensteen, Owen S., Præbel, Kim, Ray, Jessica Louise, Kelly, Ryan P., Shelton, Andrew Olaf, Hanebrekke, Tanja, Johansen, Torild

“…Environmental DNA (eDNA) has gained popularity as a tool for ecosystem biomonitoring and biodiversity assessment. Although much progress has been made…”
Get full text

Morphology of Arctic cod ( Boreogadus saida ) assessed according to habitat preference and age in the Beaufort Sea by Malizia, Juliano, Launay, Marie, Bruvold, Ingrid Marie, Quintela, María, Johansen, Torild, Reist, James D., Majewski, Andrew R., Roy, Denis

“…The Arctic cod ( Boreogadus saida (Lepechin, 1774)) represents the most widespread and abundant fish in the Arctic and is a critical trophic link in its…”
Get full text

Geographic extent of introgression in Sebastes mentella and its effect on genetic population structure by Saha, Atal, Johansen, Torild, Hedeholm, Rasmus, Nielsen, Einar E., Westgaard, Jon‐Ivar, Hauser, Lorenz, Planque, Benjamin, Cadrin, Steven X., Boje, Jesper

“…Genetic population structure is often used to identify management units in exploited species, but the extent of genetic differentiation may be inflated by…”
Get full text

Development of SNP for the deep-sea fish blue ling, Molva dypterygia (Pennant, 1784) from ddRAD sequencing data by Helle, Kristin, Quintela, María, Taggart, John B., Seliussen, Bjørghild, Dahle, Geir, Glover, Kevin A., Johansen, Torild

“…Blue ling is a deep-water species that has been severely fished upon into coastal and offshore fisheries since the early 1970s, thus causing the collapse of…”
Get full text

The pantophysin gene and its relationship with survival in early life stages of Atlantic cod by Otterå, Håkon, Johansen, Torild, Folkvord, Arild, Dahle, Geir, Solvang Bingh, Marte Kristine, Westgaard, Jon-Ivar, Glover, Kevin A

“…Genetic markers are widely used in fisheries management around the world. While the genetic structure and markers selected are usually based on samples from…”
Get full text

Effects of temperature acclimation on lactate dehydrogenase of cod (Gadus morhua): genetic, kinetic and thermodynamic aspects by Zakhartsev, Maxim, Johansen, Torild, Pörtner, Hans O, Blust, Ronny

“…The aim of this study was to determine the effects of seasonal temperature variation on the functional properties of lactate dehydrogenase (LDH) from white…”
Get full text

Analysis of coastal cod (Gadus morhua L.) sampled on spawning sites reveals a genetic gradient throughout Norway's coastline by Dahle, Geir, Quintela, María, Johansen, Torild, Westgaard, Jon-Ivar, Besnier, François, Aglen, Asgeir, Jørstad, Knut E, Glover, Kevin A

“…Atlantic cod (Gadus morhua L.) has formed the basis of many economically significant fisheries in the North Atlantic, and is one of the best studied marine…”
Get full text

Characterization of polymorphic microsatellite markers for the bearded goby Sufflogobius bibarbatus by Gunawickrama, K. B. Suneetha, Westgaard, Jon-Ivar, Salvanes, Anne Gro Vea, Johansen, Torild

“…Fourteen polymorphic microsatellite markers with tetranucleotide repeats were developed for the bearded goby ( Sufflogobius bibarbatus ) from partial genomic…”
Get full text

Isolation and characterization of nuclear microsatellite loci in the northern shrimp, Pandalus borealis by Pereyra, Ricardo T., Westgaard, Jon-Ivar, Dahl, Mikael, Johansen, Torild, Knutsen, Halvor, Ring, Anna-Karin, Søvik, Guldborg, André, Carl

“…We developed and characterized 20 microsatellite primer loci for the northern shrimp Pandalus borealis . All 20 loci were polymorphic with number of alleles…”
Get full text

Genetic management of mixed-stock fisheries “real-time”: The case of the largest remaining cod fishery operating in the Atlantic in 2007–2017 by Dahle, Geir, Johansen, Torild, Westgaard, Jon-Ivar, Aglen, Asgeir, Glover, Kevin A.

“…Fish stocks represent fundamental units in fisheries management, and their identification, especially in mixed-fisheries, represents one of the primary…”
Get full text

Genetic population structure in Norway lobster (Nephrops norvegicus): management regime under panmixia by Westgaard, Jon-Ivar, Søvik, Guldborg, Johansen, Torild

“…Abstract Investigations of genetic stock structure sometimes reveal a mismatch between management units and biological units. In Scandinavian waters, Norway…”
Get full text