Torild Johansen
Publications
Academic articles
2024
Ecological interactions between farmed Atlantic salmon and wild Atlantic cod populations in Norway: A review of risk sources and knowledge gaps
Reviews in Aquaculture
16
p. 1333-1350
2024
Predicting trawl catches using environmental DNA
ICES Journal of Marine Science
81
p. 1536-1548
2024
Comparative study of fatty acid composition of muscles of Atlantic cod (Gadus morhua Linnaeus, 1758) with natural diet and feeding near salmon farms
Aquaculture Journal
4
p. 246-254
2024
Fatty acid analysis of Atlantic cod (Gadus morhua Linnaeus, 1758) flesh filet associated to salmon farms
Aquaculture Journal
2024
Fatty acid analysis of Atlantic cod (Gadus morhua Linnaeus, 1758) flesh filet associated to salmon farms.
Aquaculture Journal
2024
Towards eDNA informed biodiversity studies – Comparing water derived molecular taxa with traditional survey methods
Progress in Oceanography
222
2024
Ecological interactions between farmed Atlantic salmon and wild Atlantic cod populations in Norway: A review of risk sources and knowledge gaps
Reviews in Aquaculture
2023
Morphology of Arctic cod (Boreogadus saida) assessed according to habitat preference and age in the Beaufort Sea
Arctic Science
9
p. 825-837
2023
Morphology of Arctic cod (Boreogadus saida) assessed according to habitat preference and age in the Beaufort Sea
Arctic Science
9
p. 825-837
2023
Movement diversity and partial sympatry of coastal and Northeast Arctic cod ecotypes at high latitudes
Journal of Animal Ecology
2023
Population structure and connectivity in the genus Molva in the Northeast Atlantic
ICES Journal of Marine Science
80
p. 1079-1086
2023
Population structure discovered in juveniles of Greenland halibut (Reinhardtius hippoglossoides Walbaum, 1792)
ICES Journal of Marine Science
80
p. 889-896
2023
Movement diversity and partial sympatry of coastal and Northeast Arctic cod ecotypes at high latitudes
Journal of Animal Ecology
2023
Contaminants reach everywhere: Fish dietary samples should be surface decontaminated prior to molecular diet analysis
Ecology and Evolution
13
2023
Maximizing sampling efficiency to detect differences in fish community composition using environmental DNA metabarcoding in subarctic fjords
Environmental DNA
2023
Genetic population structure in Norway lobster (Nephrops norvegicus): management regime under panmixia
ICES Journal of Marine Science
2022
Geographic variation in gene flow from a genetically distinct migratory ecotype drives population genetic structure of coastal Atlantic cod (Gadus morhua L.)
Evolutionary Applications
15
p. 1162-1176
2022
New evidence for the establishment of coastal cod Gadus morhua in Svalbard fjords
Marine Ecology Progress Series
696
p. 119-133
2022
Migration patterns of Greenland halibut in the North Atlantic revealed by a compiled mark-recapture dataset
ICES Journal of Marine Science
79
p. 1902-1917
2021
Benchmark workshop for Barents Sea and Faroese stocks (WKBARFAR 2021)
ICES Scientific Reports
3
2021
Life in a drop: Sampling environmental DNA for marine fishery management and ecosystem monitoring
Marine Policy
124
2021
Linking dispersal connectivity to population structure and management boundaries for saithe in the Northeast Atlantic
Marine Ecology Progress Series
680
p. 177-191
2021
Genetic differentiation between inshore and offshore populations of northern shrimp (Pandalus borealis)
ICES Journal of Marine Science
78
p. 3135-3146
2021
The making of a genetic cline: introgression of oceanic genes into coastal cod populations in the Northeast Atlantic
Canadian Journal of Fisheries and Aquatic Sciences
78
p. 958-968
2021
Distinct genetic clustering in the weakly differentiated polar cod, Boreogadus saida Lepechin, 1774 from East Siberian Sea to Svalbard
Polar Biology
44
p. 1711-1724
2021
Hierarchical genetic structure in an evolving species complex: Insights from genome wide ddRAD data in Sebastes mentella
PLOS ONE
16
2020
The pantophysin gene and its relationship with survival in early life stages of Atlantic cod: Pantophysin in Atlantic cod
Royal Society Open Science
7
p. 1-13
2020
The Pantophysin gene and its relationship with survival in early life stages of Atlantic cod
Royal Society Open Science
2020
Genomic analysis reveals neutral and adaptive patterns that challenge the current management regime for East Atlantic cod Gadus morhua L
Evolutionary Applications
p. 1-16
2020
Genetic structure of Sufflogobius bibarbatus in the Benguela upwelling ecosystem using microsatellite markers
Journal of Applied Ichthyology
36
p. 168-182
2019
Development of SNP for the deep-sea fish blue ling, Molva dypterygia (Pennant, 1784) from ddRAD sequencing data
Conservation Genetics Resources
p. 1-7
2018
Analysis of coastal cod (Gadus morhua L.) sampled on spawning sites reveals a genetic gradient throughout Norway's coastline
BMC Genetics
19
2018
Genetic management of mixed-stock fisheries "real-time": The case of the largest remaining cod fishery operating in the Atlantic in 2007-2017
Fisheries Research
205
p. 77-85
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
ICES Journal of Marine Science
75
p. 1093-1104
2017
Cryptic Sebastes norvegicus species in Greenland waters revealed by microsatellites
ICES Journal of Marine Science
74
p. 2148-2158
2017
Geographic extent of introgression in Sebastes mentella and its effect on genetic population structure
Evolutionary Applications
10
p. 77-90
2017
Genetic population structure in Greenland halibut (Reinhardtius hippoglossoides) and its relevance to fishery management
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
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
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.
Aquaculture Environment Interactions
7
p. 253-266
2015
Seascape genetics of saithe (Pollachius virens) across the North Atlantic using single nucleotide polymorphisms
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
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
ICES Journal of Marine Science
71
p. 1417-1432
2014
Introduction: Marine harvesting in the Arctic
ICES Journal of Marine Science
71
p. 1932-1933
2013
A genomic island linked to ecotype divergence in Atlantic cod
Molecular Ecology
22
p. 2653-2667
2012
Characterization of polymorphic microsattelite markers for the bearded goby Sufflogobius bibarbatus
Conservation Genetics Resources
4
p. 187-189
2012
Isolation and characterization of nuclear microsatellite loci in the northern shrimp, Pandalus borealis
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."
ICES Journal of Marine Science
68
p. 2016-2018
2010
Population structure of beaked redfish, Sebastes mentella: evidence of divergence associated with different habitats
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
Animal Genetics
41
p. 515-522
2010
Preliminary evidence for genetic heterogeneity of the goby (Sufflogobius bibarbatus) in the Benguela ecosystem
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)
BMC Evolutionary Biology
9
2008
Effects of micromilling on ð18O in biogenic aragonite
Geochemistry Geophysics Geosystems
9
2008
Population genetic structure of the spotted wolffish, Anarhinchas minor, in the North Atlantic
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
Journal of Experimental Marine Biology and Ecology
358
p. 70-77
2007
New haemoglobin genotypes in Atlantic cod, Gadus morhua: Possible relation with growth
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.)
DNA Sequence
17
p. 107-114
2005
Hsp70 is not a sensitive indicator of thermal limitation in Gadus morhua
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
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
Sarsia
89
p. 478-483
2002
Genetic variation of Sebastes viviparus Krøyer in the North Atlantic
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)
Continental Shelf Research
21
p. 1975-1997
2000
Studies on the genetic relationship between deep-sea and oceanic Sebastes mentella in the Irminger Sea
Fisheries Research
49
p. 179-192
2000
Genetic characterisation of giant Sebastes in the deep waters slopes in the Irminger Sea and adjacent waters
Fisheries Research
45
p. 207-216
2000
Genetic characterisation of giant Sebastes in the deep water slopes in the Irminger Sea
Fisheries Research
45
p. 207-216
2000
Studies of the genetic relationship between deep-sea and oceanic Sebastes mentella in the Irminger Sea
Fisheries Research
49
p. 179-192
2000
Studies of the genetic relationship between deep-sea and oceanic Sebastes mentella in the Irminger Sea
Fisheries Research
49
p. 179-192
2000
Genetic characterisation of giant Sebastes in the deep water slopes in the Irminger Sea
Fisheries Research
45
p. 207-216
1994
New variants of the haemoglobins of Atlantic cod: a tool for discriminating between coastal and Arctic cod populations
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
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
Sarsia
78
p. 25-29
Scientific lectures
2023
Fine-scale behaviour of Atlantic cod ecotypes
2000
North Western working group, ICES
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)
1996
Studies on the relationship between deep-sea and oceanic Sebastes mentella in the Irminger sea by the use of haemaglobin and allozyme
Poster
2019
Otoliths as life history indicators
2016
Population analysis by microsatellite markers of bearded goby (Sufflogobius bibarbatus) in the Benguela system linked to hydrographical conditions
2014
Otoliths as life history indicators
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
1997
Genetic characterisation of Giant Sebastes along the Reykjanes Ridge
1993
Hemoglobin polymorphism in Atlantic cod - a new polymorphism in addiction to the Hb-l-system
Reports and dissertations
2021
Morphological variation in the redfish (Sebastes spp.) complex in Norwegian waters
2020
Implementation of Environmental DNA (eDNA) as a Tool for Ecosystem-Based Fisheries Management
2018
Blålangegenetikk – Genetiske undersøkelser av blålange langs Eggakanten og i utvalgte fjorder
2015
Sustainable development of the Nephrops fishery in the Kattegat-Skagerrak region
2007
Common garden experiment to study Mendelian segregation and potential genotype dependence in survival and growth of Atlanic cod (Gadus morhua)
2004
Studies on genetic variation of red mullet, hake, sea bass and sea bream in the Aegean Sea
2003
Genetic study of genus Sebastes (redfish) in the North Atlantic with emphasis on the stock complex in the Irminger Sea
1998
Geophysical/Economical Feasibility Study of Ocean Disposal of CO2 at Haltenbanken
1996
Forsøksfiske etter blåkveite ved Sydøst-Grønland. Garnundersøkelser sommeren 1995
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