Torild Johansen

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Telefon: 97959302
Avdeling: Populasjonsgenetikk

Publikasjoner

Vitenskapelige artikler (NVI)

2017

“Real-time” genetic monitoring of a commercial fishery on the doorstep of an MPA reveals unique insights into the interaction between coastal and migratory forms of the Atlantic cod

Torild Johansen, Jon-Ivar Westgaard, Bjørghild Breistein Seliussen, Kjell Harald Nedreaas, Geir Dahle, Kevin Glover, Roger Kvalsund, Asgeir Aglen
ICES Journal of Marine Science 75 p. 1093-1104
2017

Cryptic Sebastes norvegicus species in Greenland waters revealed by microsatellites

Atal Saha, Lorenz Hauser, Rasmus Hedeholm, Benjamin Planque, Svein-Erik Fevolden, Jesper Boje, Torild Johansen
ICES Journal of Marine Science 74 p. 2148-2158
2017

Geographic extent of introgression in Sebastes mentella and its effect on genetic population structure

Atal Saha, Torild Johansen, Rasmus Hedeholm, Einar Eg Nielsen, Jon-Ivar Westgaard, Lorenz Hauser, Benjamin Planque, Steven X. Cadrin, Jesper Boje
Evolutionary Applications 10 p. 77-90
2017

Genetic population structure in Greenland halibut (Reinhardtius hippoglossoides) and its relevance to fishery management

Jon-Ivar Westgaard, Atal Saha, Matthew Peter Kent, Hanne Hellerud Hansen, Halvor Knutsen, Lorenz Hauser, Steven X. Cadrin, Ole Thomas Albert, Torild Johansen
Canadian Journal of Fisheries and Aquatic Sciences 74 p. 475-485
2016

Two adjacent inversions maintain genomic differentiation between migratory and stationary ecotypes of Atlantic cod

Tina Graceline Kirubakaran, Harald Grove, Matthew Peter Kent, Simen Rød Sandve, Matthew Baranski, Torfinn Nome, Maria Cristina De Rosa, Benedetta Righino, Torild Johansen, Håkon Magne Otterå, Anna Kristina Sonesson, Sigbjørn Lien, Øivind Andersen
Molecular Ecology 25 p. 2130-2143
2016

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

Kristina Lore Kunz, Stephan Frickenhaus, Silvia Hardenberg, Torild Johansen, Elettra Leo, Hans-Otto Pörtner, Matthias Schmidt, Heidrun Sigrid Windisch, Rainer Knust, Felix Christopher Mark
Polar Biology 39 p. 1137-1153
2015

Farmed cod escapees and net-pen spawning left no clear genetic footprint in the local wild cod population.

Rebekka Varne, Kristina Lore Kunz, Torild Johansen, Jon-Ivar Westgaard, Ingebrigt Uglem, Jarle Mork
Aquaculture Environment Interactions 7 p. 253-266
2015

Seascape genetics of saithe (Pollachius virens) across the North Atlantic using single nucleotide polymorphisms

Atal Saha, Lorenz Hauser, Matthew Peter Kent, Benjamin Planque, Francis Neat, Tina Graceline Kirubakaran, Irene Huse, Eydna Homrum, Svein-Erik Fevolden, Sigbjørn Lien, Torild Johansen
ICES Journal of Marine Science 72 p. 2732-2741
2015

Genetically distinct populations of northern shrimp, Pandalus borealis, in the North Atlantic: adaptation to different temperatures as an isolation factor

Per Erik Jorde, Guldborg Søvik, Jon-Ivar Westgaard, Jon Albretsen, Carl André, Carsten Hvingel, Torild Johansen, Anne Dagrun Sandvik, Michael Charles Kingsley, Knut Eirik Jørstad
Molecular Ecology 24 p. 1742-1757
2014

Linking tagging technology and molecular genetics to gain insight in the spatial dynamics of two stocks of cod in Northeast Atlantic waters

Kathrine Michalsen, Torild Johansen, Sam Subbey, Alexander Christian Beck
ICES Journal of Marine Science 71 p. 1417-1432
2014

Introduction: Marine harvesting in the Arctic

Tore Haug, Michaela Aschan, Alf Håkon Hoel, Torild Johansen, Jan Henry Sundet
ICES Journal of Marine Science 71 p. 1932-1933
2013

A genomic island linked to ecotype divergence in Atlantic cod

J Hemmer-Hansen, Einar Eg Nielsen, Nina Overgaard Therkildsen, MI Taylor, R Ogden, Audrey J. Geffen, Dorte Bekkevold, S Helyar, C Pampoulie, Torild Johansen, GR Carvalho
Molecular Ecology 22 p. 2653-2667
2012

Characterization of polymorphic microsattelite markers for the bearded goby Sufflogobius bibarbatus

Kristogu Baduge Suneetha Gunawickrama, Jon-Ivar Westgaard, Anne Gro Vea Salvanes, Torild Johansen
Conservation Genetics Resources 4 p. 187-189
2012

Isolation and characterization of nuclear microsatellite loci in the northern shrimp, Pandalus borealis

Ricardo T. Pereyra, Jon-Ivar Westgaard, Mikael Dahl, Torild Johansen, Halvor Knutsen, Anna-Karin Ring, Guldborg Søvik, Carl André
Conservation Genetics Resources 4 p. 109-112
2011

Counter-comment on: Cadrin et al. (2010) "Population structure of beaked redfish, Sebastes mentella: evidence of divergence associated with different habitats. ICES Journal of Marine Science, 67: 1617-1630."

Steven X. Cadrin, Stefano Mariani, Christophe Pampoulie, Matthias Bernreuther, Anna Kristín Daníelsdóttir, Torild Johansen, Lisa Kerr, Kjell Harald Nedreaas, Jakup Reinert, Torsteinn Sigurosson, Christoph Stransky
ICES Journal of Marine Science 68 p. 2016-2018
2010

Population structure of beaked redfish, Sebastes mentella: evidence of divergence associated with different habitats

Steven X. Cadrin, Matthias Bernreuther, Anna Kristin Daníelsdóttir, Einar Hjorleifsson, Torild Johansen, Lisa Kerr, Kristján Kristinsson, Stefano Mariani, Kjell Harald Nedreaas, Christophe Pampoulie, Benjamin Planque, Jakup Reinert, Francisco Saborido-Rey, T Sigurdsson, Christoph Stransky
ICES Journal of Marine Science 67 p. 1617-1630
2010

Genetic diversity within and among Atlantic cod (Gadus morhua) farmed in marine cages: a proof-of-concept study for the identification of escapees

Kevin Alan Glover, Geir Dahle, Jon-Ivar Westgaard, Torild Johansen, Halvor Knutsen, Knut Eirik Jørstad
Animal Genetics 41 p. 515-522
2010

Preliminary evidence for genetic heterogeneity of the goby (Sufflogobius bibarbatus) in the Benguela ecosystem

K.B. Suneetha Gunawickrama, Pallagae Mangala C.S. De Silva, Torild Johansen, Anne Gro Vea Salvanes, Gunnar Nævdal
Journal of Applied Ichthyology 26 p. 110-112
2009

Genomic signatures of local directional selection in a high gene flow marine organism; the Atlantic cod (Gadus morhua)

E.E. Nielsen, Jakob Hemmer-Hansen, Nina A. Poulsen, Volker Loeschcke, Thomas Moen, Torild Johansen, Christian Mittelholzer, Geir Lasse Taranger, Rob Ogden, Gary R. Carvalho
BMC Evolutionary Biology 9
2008

Effects of micromilling on ð18O in biogenic aragonite

Laura Carole Foster, Carin Andersson, Hans Høie, Nicola Allison, Adrian A. Finch, Torild Johansen
Geochemistry Geophysics Geosystems 9
2008

Population genetic structure of the spotted wolffish, Anarhinchas minor, in the North Atlantic

Albert Imsland, Karen Stensland, Torild Johansen, Nathalie Le Francois, Simon G. Lamarre, Gunnar Nævdal, Atle Foss
The Open Marine Biology Journal 2 p. 7-12
2008

Hypoxic avoidance behaviour in cod (Gadus morhua L.): The effect of temperature and haemoglobin genotype

Jon Egil Skjæraasen, Trygve Nilsen, Justin James Meager, Neill A. Herbert, Olav Moberg, Valentina Tronci, Torild Johansen, Anne Gro Vea Salvanes
Journal of Experimental Marine Biology and Ecology 358 p. 70-77
2007

New haemoglobin genotypes in Atlantic cod, Gadus morhua: Possible relation with growth

Albert Imsland, Atle Foss, Gunnar Nævdal, Torild Johansen, Sigurd Stefansson, Thor Magne Jonassen
Comparative Biochemistry and Physiology A 147 p. 955-960
2006

Strict conservation of the ITS regions of the ribosomal RNA genes in Atlantic cod (Gadus morhua L.)

Torild Johansen, Tiago Repolho, Audny Hellebø, Arnt Johan Raae
DNA Sequence 17 p. 107-114
2005

Hsp70 is not a sensitive indicator of thermal limitation in Gadus morhua

Maxim Zakhartsev, Bart De Wachter, Torild Johansen, Hans Otto Pörtner, Ronny Blust
Journal of Fish Biology 67 p. 767-778
2004

Effects of temperature acclimation on lactate dehydrogenase of cod (Gadus morhua): genetic, kinetic and thermodynamic aspects

Maxim Zakhartsev, Torild Johansen, Hans O. Pörtner, Ronny Blust
Journal of Experimental Biology 207 p. 95-112
2004

Discrimination among species of the genus Sebastes in the North Atlantic by random amplified polymorphic DNA

Torild Johansen, Geir Dahle
Sarsia 89 p. 478-483
2002

Genetic variation of Sebastes viviparus Krøyer in the North Atlantic

Torild Johansen, A.K. Daniélsdóttir, Gunnar Nævdal
Journal of Applied Ichthyology 18 p. 177-180
2001

Climate induced effects on growth performance, fecundity and recruitment in marine fish: developing a hypothesis for cause and effect relationships in Atlantic cod (Gadus morhua) and common eelpout (Zoarces viviparous)

Hans Otto Pörtner, Bengt Berdal, Ronny Blust, Ole Brix, Alfredo Colosimo, Bart De Wachter, A. Giuliani, Torild Johansen, Torsten Fischer, Rainar Knust, G. Lannig, Gunnar Nævdal, Atle Nedenes, Gunnar Nyhammer, Franz Josef Sartoris, I. Serendero, P. Sirabella, Solveig Thorkildsen, Maxim Zakhartsev
Continental Shelf Research 21 p. 1975-1997
2000

Studies on the genetic relationship between deep-sea and oceanic Sebastes mentella in the Irminger Sea

Torild Johansen, Anna Kristin Daníelsdóttir, Kenneth Meland, Gunnar Nævdal
Fisheries Research 49 p. 179-192
2000

Genetic characterisation of giant Sebastes in the deep waters slopes in the Irminger Sea and adjacent waters

Torild Johansen, Nils Roar Hareide, Anna Kristin Daníelsdóttir, Gunnar Nævdal
Fisheries Research 45 p. 207-216
2000

Genetic characterisation of giant Sebastes in the deep water slopes in the Irminger Sea

Torild Johansen, Gunnar Nævdal, A.K. Daniélsdóttir, N.R. Hareide
Fisheries Research 45 p. 207-216
2000

Studies of the genetic relationship between deep-sea and oceanic Sebastes mentella in the Irminger Sea

Torild Johansen, A.K. Daniélsdóttir, Kenneth Meland, Gunnar Nævdal
Fisheries Research 49 p. 179-192
2000

Studies of the genetic relationship between deep-sea and oceanic Sebastes mentella in the Irminger Sea

Torild Johansen, A.K. Daníelsdóttir, Kenneth Meland, Gunnar Nævdal
Fisheries Research 49 p. 179-192
2000

Genetic characterisation of giant Sebastes in the deep water slopes in the Irminger Sea

Torild Johansen, Gunnar Nævdal, A.K. Daniélsdóttir, N.R. Hareide
Fisheries Research 45 p. 207-216
1994

New variants of the haemoglobin’s of Atlantic cod: a tool for discriminating between coastal and Arctic cod populations

U.E.H. Fyhn, Ole Brix, Gunnar Nævdal, Torild Johansen
ICES Marine Science Symposia 198 p. 666-670
1994

New variants of the haemoglobins of Atlantic cod: a tool for discriminating between coastal and Arctic cod populations

Unni E.H. Fyhn, Ole Brix, Gunnar Nævdal, Torild Johansen
ICES Marine Science Symposia p. 666-670
1993

Electrophonetic discrimination of blue mouth, Helicolenus dactylopterus (de la Roche, 1809), from Sebastes spp. in the northeast Atlantic

Torild Johansen, Kjell Nedreaas, Gunnar Nævdal
Sarsia 78 p. 25-29

Poster

2016

Population analysis by microsatellite markers of bearded goby (Sufflogobius bibarbatus) in the Benguela system linked to hydrographical conditions

Anne Gro Vea Salvanes, KB Suneetha Gunawickrama, Torild Johansen, Anja van der Plas
2014

Otoliths as life history indicators

Jane Amtoft Godiksen, Audrey J. Geffen, Arild Folkvord, Jon-Ivar Westgaard, Torild Johansen, Ole Thomas Albert, Arved Staby, Alf Harbitz, Aril Slotte, Christian Irgens, Olav Sigurd Kjesbu
1997

Studies on the relationship between deep-sea and oceanic Sebastes mentella in the Irminger Sea by the use of haemoglobin, allozyme analyses and RAPD

Torild Johansen, Anna Kristín Daníelsdóttir, Kenneth Meland, Gunnar Nævdal
1997

Genetic characterisation of Giant Sebastes along the Reykjanes Ridge

Torild Johansen, A.K. Daníelsdóttir, Gunnar Nævdal, N.R. Hareide
1993

Hemoglobin polymorphism in Atlantic cod - a new polymorphism in addiction to the Hb-l-system

Unni H. Fyhn, Ole Brix, Gunnar Nævdal, Torild Johansen

Kapitler og bøker

2000

Growth performance, fecundity and recruitment in marine fish: Understanding climate effects based on physiological and ecological studies in Atlantic cod (Gadus morhua) and common eelpout (Zoarces viviparus)

Hans Otto Pörtner, Bengt Berdal, Ronny Blust, Ole Brix, Alfredo Colosimo, Bart De Wachter, Alessandro Giuliani, Torild Johansen, Torsten Fischer, Rainar Knust, Gunnar Nævdal, Atle Nedenes, Gunnar Nyhammer, Franz Josef Sartoris, I. Serendero, Paolo Sirabella, Solveig Thorkildsen, Maxim Zakhartsev
p. 190-196

Populærvitenskapelige artikler

2018

Comparison of three methods for identification of redfish (Sebastes mentella and S. norvegicus) from the Greenland east coast

Helle Torp Christensen, Frank Riget, Marie Balslev Backe, Atal Saha, Torild Johansen, Rasmus Hedeholm
Fisheries Research p. 1-17

Faglige foredrag

2000

North Western working group, ICES

Johansen, Torild
2000

Population structure, reproductive strategies and demography of redfish (Genus Sebastes) in the Irminger Sea and adjacent waters (ICES V, XII and XIV, NAFO 1)

Torild Johansen, Kjell Nedreaas
1996

Studies on the relationship between deep-sea and oceanic Sebastes mentella in the Irminger sea by the use of haemaglobin and allozyme

Torild Johansen, Anna Kristin Daníelsdóttir, Kristján Kristinsson, Per Hyltoft Petersen, Gunnar Nevdal

Rapporter og avhandlinger

2015

Sustainable development of the Nephrops fishery in the Kattegat-Skagerrak region

Rikke P. Frandsen, Søren Qvist Eliasen, Johan Lövgren, Guldborg Søvik, Jordan Feekings, Mats Ulmestrand, Henrik Lund, Bo Andersen, Bjørn Erik Axelsen, Francois Bastardie, Casper Willestofte Berg, Nikolaj Bichel, Dag Mathias Furevik, Jonathan Broch Jacobsen, Torild Johansen, Sigrun Jonasdottir, Patrik Jonsson, Terje Jørgensen, Junita Diana Karlsen, Alf Ring Kleiven, Svein Løkkeborg, Bo Lundgren, Niels Madsen, Sten Munch-Pedersen, Anders Nielsen, J. Rasmus Nielsen, Line Reeh, Jon-Ivar Westgaard
2007

Common garden experiment to study Mendelian segregation and potential genotype dependence in survival and growth of Atlanic cod (Gadus morhua)

Marte Kristine Solvang, Torild Johansen, Geir Dahle, Arild Folkvord
2004

Studies on genetic variation of red mullet, hake, sea bass and sea bream in the Aegean Sea

Ertugrul Gundogdu, Torild Johansen, Gunnar Nævdal
2003

Genetic study of genus Sebastes (redfish) in the North Atlantic with emphasis on the stock complex in the Irminger Sea

Johansen, Torild
1998

Geophysical/Economical Feasibility Study of Ocean Disposal of CO2 at Haltenbanken

Helge Drange, Guttorm Alendal, Finn Thorkildsen, Ola M Johannessen, Dick Vinkler, Atle Ulvesæter, Torild Johansen, Jarl Giske
1996

Forsøksfiske etter blåkveite ved Sydøst-Grønland. Garnundersøkelser sommeren 1995

Agnes C. Gundersen, Astrid Kari Woll, Torild Johansen
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