Ørjan Karlsen
Publications
Academic articles
2024
Inferring time at sea from scale circuli: implications for the interpretation of salmon lice distributions on sea trout
Aquaculture Environment Interactions
16
p. 213-225
2024
Sex-specific vertical movements of spawning atlantic cod in coastal habitats inferred from acoustic telemetry
Scientific Reports
14
p. 23242
2024
A gap analysis on modelling of sea lice infection pressure from salmonid farms. I. A structured knowledge review
Aquaculture Environment Interactions
16
p. 1-25
2024
A gap analysis on modelling of sea lice infection pressure from salmonid farms. II. Identifying and ranking knowledge gaps: output of an international workshop
Aquaculture Environment Interactions
16
p. 27-42
2024
Continuous sound from a marine vibrator causes behavioural responses of free-ranging, spawning Atlantic cod (Gadus morhua)
Environmental Pollution (1987)
344
2024
Louse-induced mortality thresholds in Atlantic salmon of wild-origin
Conservation Science and Practice (CSP)
2023
Large females connect Atlantic cod spawning sites
Science
382
p. 1181-1185
2023
Crude oil exposure of early life stages of Atlantic haddock suggests threshold levels for developmental toxicity as low as 0.1 μg total polyaromatic hydrocarbon (TPAH)/L
Marine Pollution Bulletin
190
2023
Occurrence of salmonid alphavirus and piscine orthoreovirus-1 infections in migrating salmon (Salmo salar L.) post-smolt in western Norway
Journal of Fish Diseases
2023
Terrestrial fatty acids from feed oil in feed for farmed salmonids are transferred to the liver, gonads, and muscle of wild Atlantic cod (Gadus morhua)
ICES Journal of Marine Science
80
p. 1143-1154
2023
Terrestrial fatty acids from feed oil in feed for farmed salmonids are transferred to the liver, gonads, and muscle of wild Atlantic cod (Gadus morhua)
ICES Journal of Marine Science
80
p. 1143-1154
2023
Behavioural responses of wild, spawning Atlantic cod (Gadus morhua L.) to seismic airgun exposure
ICES Journal of Marine Science
80
p. 1052-1065
2023
Movement diversity and partial sympatry of coastal and Northeast Arctic cod ecotypes at high latitudes
Journal of Animal Ecology
2023
Terrestrial fatty acids from feed oil in feed for farmed salmonids are transferred to the liver, gonads, and muscle of wild Atlantic cod (Gadus morhua).
ICES Journal of Marine Science
2023
Direct evidence of increased natural mortality of a wild fish caused by parasite spillback from domestic conspecifics
Proceedings of the Royal Society of London. Biological Sciences
290:20221752
p. 1-12
2023
Diet analysis of Atlantic salmon (Salmo salar) post-smolts after the ecological regime shift in the Northeast Atlantic
Fisheries Research
262
2023
In sea trout, the physiological response to salmon louse is stronger in female than in males
Conservation Physiology
11
2022
Effect of diet on molecular relationships between Atlantic cod larval muscle growth dynamics, metabolism, and antioxidant defense system
Frontiers in Marine Science
9
p. 1-19
2022
Effects of laboratory salmon louse infection on mortality, growth, and sexual maturation in Atlantic salmon
ICES Journal of Marine Science
79
p. 1530-1538
2022
Attraction of cod Gadus morhua from coastal spawning grounds to salmon farms
Aquaculture Environment Interactions
14
p. 229-242
2022
Spawning Atlantic cod (Gadus morhua L.) exposed to noise from seismic airguns do not abandon their spawning site
ICES Journal of Marine Science
79
p. 2697-2708
2022
Salmon louse infestation levels on sea trout can be predicted from a hydrodynamic lice dispersal model
Journal of Applied Ecology
59
p. 704-714
2021
Salmon louse infestation levels on sea trout can be predicted from a hydrodynamic lice dispersal model
Journal of Applied Ecology
59
p. 704-714
2021
Reply to Jansen and Gjerde's (2021) critique of the salmon louse infection model reported in Johnsen et al. (2021)
ICES Journal of Marine Science
78
p. 3852-3857
2021
Ontogeny-Specific Skeletal Deformities in Atlantic Haddock Caused by Larval Oil Exposure
Frontiers in Marine Science
8
p. 1-16
2021
Impact of salmon farming on Atlantic cod spatio-temporal reproductive dynamics
Aquaculture Environment Interactions
13
p. 399-412
2021
RADSex: A computational workflow to study sex determination using restriction site- associated DNA sequencing data
Molecular Ecology Resources
21
p. 1715-1731
2021
Farmed salmonids drive the abundance, ecology and evolution of parasitic salmon lice in Norway
Aquaculture Environment Interactions
13
p. 237-248
2021
The development of a sustainability assessment indicator and its response to management changes as derived from salmon lice dispersal modelling
ICES Journal of Marine Science
2021
Salmon lice-induced mortality of Atlantic salmon during post-smolt migration in Norway
ICES Journal of Marine Science
78
p. 142-154
2021
Development of a risk assessment method for sea trout in coastal areas exploited for aquaculture
Aquaculture Environment Interactions
13
p. 1-12
2020
Untangling mechanisms of crude oil toxicity: Linking gene expression, morphology and PAHs at two developmental stages in a cold-water fish
Science of the Total Environment
757
2020
Effects of laboratory salmon louse infection on osmoregulation, growth and survival in Atlantic salmon
Conservation Physiology
8
p. 1-10
2020
DNA damage and health effects in juvenile haddock (Melanogrammus aeglefinus) exposed to PAHs associated with oil-polluted sediment or produced water
PLOS ONE
15
2020
Timing is everything: Survival of Atlantic salmon Salmo salar postsmolts during events of high salmon lice densities
Journal of Applied Ecology
57
p. 1149-1160
2020
Impacts of salmon lice on mortality, marine migration distance and premature return in sea trout
Marine Ecology Progress Series
635
p. 151-168
2019
Salmon lice threaten growth, osmoregulation and survival in anadromous Arctic char post-smolts
Conservation Physiology
7
2019
Airgun blasts used in marine seismic surveys have limited effects on mortality, and no sublethal effects on behaviour or gene expression, in the copepod Calanus finmarchicus
ICES Journal of Marine Science
76
p. 2033-2044
2019
Inferring Atlantic salmon post-smolt migration patterns using genetic assignment
Royal Society Open Science
6:190426
p. 1-10
2019
Offshore crude oil disrupts retinoid signaling and eye development in larval Atlantic haddock
Frontiers in Marine Science
6:368
p. 1-14
2019
Temperature and age effects on latitudinal growth dynamics of the commercially valuable gadoid Northeast Arctic saithe (Pollachius virens)
Fisheries Research
213
p. 94-104
2018
Limited evidence for differential reproductive fitness of wild Atlantic cod in two areas of high and low salmon farming density
Aquaculture Environment Interactions
10
p. 369-383
2018
Towards direct evidence of the effects of salmon lice (Lepeophtheirus salmonis Kr?yer) on sea trout (Salmo trutta L.) in their natural habitat: proof of concept for a new combination of methods
Environmental Biology of Fishes
101
p. 1677-1692
2018
Evaluation of a national operational salmon lice monitoring system - from physics to fish
PLOS ONE
13
2018
Growth of wild and domesticated Atlantic cod Gadus morhua reared under semi-commercial conditions
Aquaculture Environment Interactions
10
p. 187-200
2018
Migration of Atlantic salmon post-smolts in a fjord with high infestation pressure of salmon lice
Marine Ecology Progress Series
592
p. 243-256
2018
Sea trout adapt their migratory behaviour in response to high salmon lice concentrations
Journal of Fish Diseases
41
p. 953-967
2017
Salmon lice infestations on sea trout predicts infestations on migrating salmon post-smolts
ICES Journal of Marine Science
74
p. 2354-2363
2017
Oil droplet fouling and differential toxicokinetics of polycyclic aromatic hydrocarbons in embryos of Atlantic haddock and cod
PLOS ONE
12:e0180048
p. 1-26
2017
Salmon lice infestations on sea trout predicts infestations on migrating salmon post-smolts
ICES Journal of Marine Science
74
p. 2354-2363
2017
Disentangling the role of sea lice on the marine survival of Atlantic salmon
ICES Journal of Marine Science
75
p. 50-60
2017
Ossification of Atlantic cod (Gadus morhua) – Developmental stages revisited
Aquaculture
468 Part 1
p. 524-533
2017
The effect of dietary chitin on growth and nutrient digestibility in farmed Atlantic cod, Atlantic salmon and Atlantic halibut
Aquaculture Research
48
p. 123-133
2017
Timecourse of oocyte development in saithe Pollachius virens
Journal of Fish Biology
90
p. 109-128
2016
The ontogeny and brain distribution dynamics of the appetite regulators NPY, CART and pOX in larval Atlantic cod (Gadus morhua L.)
PLOS ONE
11
2016
First feed affects the expressions of microRNA and their targets in Atlantic cod
British Journal of Nutrition
115
p. 1145-1154
2016
Performance of triploid Atlantic cod (Gadus morhua L.) in commercial aquaculture
Aquaculture
464
p. 699-709
2016
The two-step development of a duplex retina involves distinct events of cone and rod neurogenesis and differentiation
Developmental Biology
416
p. 389-401
2016
Crude oil exposures reveal roles for intracellular calcium cycling in haddock craniofacial and cardiac development
Scientific Reports
6
p. 1-21
2015
1H NMR metabolic profiling of cod (Gadus morhua) larvae: potential effects of temperature and diet composition during early developmental stages
Biology Open
4
p. 1671-1678
2015
An automatic counting system for transparent pelagic fish eggs based on computer vision
Aquacultural Engineering
67
p. 8-13
2015
Unexpected interaction with dispersed crude oil droplets drives severe toxicity in atlantic haddock embryos
PLOS ONE
10:e0124376
p. 1-21
2015
Diet affects the redox system in developing Atlantic cod (Gadus morhua) larvae
Redox Biology
5
p. 308-318
2015
Copepods enhance nutritional status, growth and development in Atlantic cod (Gadus morhua L.) larvae – can we identify the underlying factors?
PeerJ
3
2015
Risk assessment of the environmental impact of Norwegian Atlantic salmon farming
ICES Journal of Marine Science
72
p. 997-1021
2014
Impacts of wild fishes attracted to open-cage salmonid farms in Norway
Aquaculture Environment Interactions
6
p. 91-103
2014
Copepod production in a saltwater pond system: A reliable method for achievement of natural prey in start-feeding of marine fish larvae
Aquacultural Engineering
62
p. 17-27
2014
Continuous light affects onset of puberty and associated changes in pituitary gonadotropin subunit transcript levels, and plasma estradiol-17β and testosterone levels in Atlantic cod (Gadus morhua L.) females
Aquaculture
424-425
p. 95-103
2013
Fertility of gynogenetic Atlantic cod (Gadus morhua L.)
Journal of Applied Ichthyology
29
p. 1292-1296
2013
Effects of light regime on diurnal plasma melatoning levels and vertical distribution in farmed Atlantic cod (Gadus morhua L.)
Aquaculture
414-415
p. 280-287
2013
Towards cod without spawning: artificial continuous light in submerged sea-cages maintains growth and delays sexual maturation for farmed Atlantic cod Gadus morhua
Aquaculture Environment Interactions
3
p. 245-255
2013
Cortisol treatment of prespawning female cod affects cytogenesis related factors in eggs and embryos
General and Comparative Endocrinology
189
p. 84-95
2013
The effect of triploidization of Atlantic cod (Gadus morhua L.) on survival, growth and deformities during early life stages
Aquaculture
388
p. 54-59
2013
Vertical distribution and sexual maturation in cage-farming of Atlantic cod (Gadus morhua L.) exposed to natural or continuous light
Aquaculture Research
44
p. 903-917
2013
Marine ash-products influence growth and feed utilization when Atlantic cod Gadus morhua L. are fed plant-based diets
Journal of Applied Ichthyology
29
p. 532-540
2013
The effect of dietary chitin on the autochthonous gut bacteria of Atlantic cod (Gadus morhua L.)
Aquaculture Research
44
p. 1889-1900
2012
The effect of dietary lipid content and stress on egg quality in farmed Atlantic cod Gadus morhua
Journal of Fish Biology
81
p. 1391-1405
2012
Environmental regulation of individual depth on a cod spawning ground
Aquatic Biology
17
p. 211-221
2011
Induction of meiotic gynogenesis in Atlantic cod, Gadus morhua (L.)
Journal of Applied Ichthyology
27
p. 1298-1302
2011
Pituitary gonadotropin and testicular gonadotropin receptor expression in Atlantic cod (Gadus morhua L.) during the first reproductive season: Effects of photoperiod modulation
General and Comparative Endocrinology
173
p. 111-119
2011
Do plant-based diets for Atlantic cod (Gadus morhua L.) need additions of crystalline lysine or methionine?
Aquaculture Nutrition
17
p. E362-E371
2011
Extreme spawning-site fidelity in Atlantic cod
ICES Journal of Marine Science
68
p. 1472-1477
2010
Energy dilution with α-cellulose in diets for Atlantic cod (Gadus morhua L.) juveniles — Effects on growth, feed intake, liver size and digestibility of nutrients
Aquaculture
300
p. 169-175
2010
Control of puberty in farmed fish
General and Comparative Endocrinology
165
p. 483-515
2010
Mating competition between farmed and wild cod Gadus morhua
Marine Ecology Progress Series
412
p. 247-258
2009
Quantification of gonadotropin subunits GP alpha, FSH beta, and LH beta mRNA expression from Atlantic cod (Gadus morhua) throughout a reproductive cycle
Comparative Biochemistry and Physiology - Part B: Biochemistry & Molecular Biology
153
p. 288-295
2009
Quality of wild-captured saithe (Pollachius virens L.) fed formulated diets for 8 months
Aquaculture Research
40
p. 1310-1319
2009
Photoperiod-modulated testis maturation in Atlantic cod (Gadus morhua, L.)
Biology of Reproduction
80
p. 631-640
2009
Sperm characteristics and competitive ability in farmed and wild cod
Marine Ecology Progress Series
375
p. 219-228
2009
Vertical dynamics and reproductive behaviour of farmed and wild Atlantic cod Gadus morhua
Marine Ecology Progress Series
389
p. 233-243
2008
The expression of secondary sexual characteristics in recruit- and repeat-spawning farmed and wild Atlantic cod (Gadus morhua)
ICES Journal of Marine Science
65
p. 1710-1716
2008
The acute stress response in fed and food deprived Atlantic cod, Gadus morhua L
Aquaculture
280
p. 232-241
2007
Growth, feed conversion and chemical composition of Atlantic salmon (Salmo salar L.) and Atlantic halibut (Hippoglossus hippoglossus L.) fed diets supplemented with krill or amphipods
Aquaculture Nutrition
13
p. 241-255
2007
Dietary plant protein utilization in Atlantic cod, Gadus morhua L
Aquaculture Nutrition
13
p. 200-215
2007
Total replacement of fish meal with plant proteins in diets for Atlantic cod (Gadus morhua L.) I - Effects on growth and protein retention
Aquaculture
272
p. 599-611
2007
Effect of diet and season on quality of farmed Atlantic cod (Gadus morhua L)
Lebensmittel-Wissenschaft + Technologie
40
p. 1623-1629
2007
Fluorine accumulation in Atlantic salmon (Salmo salar), Atlantic cod (Gadus morhua), rainbow trout (Onchorhyncus mykiss) and Atlantic Halibut (Hippoglossus hippoglossus) fed diets with krill or amphipod meals and fish meal based diets diets with sodium fluoride (NaF) inclusion
Aquaculture
269
p. 525-531
2007
Total replacement of fish meal with plant proteins in diets for Atlantic cod (Gadus morhua L.) II - Health aspects
Aquaculture
272
p. 612-624
2006
Element concentrations in meals from krill and amphipods, - Possible alternative protein sources in complete diets for farmed fish
Aquaculture
261
p. 174-181
2006
Effect of Antarctic krillmeal on quality of farmed Atlantic cod (Gadus morhua L.)
Aquaculture Research
37
p. 1676-1684
2006
The inclusion of plant protein in cod diets, its effects on macronutrient digestibility, gut and liver histology and heat shock protein transcription
Aquaculture Research
37
p. 773-784
2006
Effect of varying levels of macro nutrients and continuous light on growth, energy deposits and maturation in farmed Atlantic cod (Gadus morhua L.)
Aquaculture
255
p. 242-254
2006
Comparison of growth rate among different protein genotypes in Atlantic cod, Gadus morhua, under farmed conditions
ICES Journal of Marine Science
63
p. 235-245
2006
Effects of photoperiod and exercise on growth, liver size, and age at puberty in farmed Atlantic cod (Gadus morhua L.)
ICES Journal of Marine Science
63
p. 355-364
2005
The effects of stress and storage temperature on the colour and texture of pre-rigor filleted farmed cod (Gadus morhua L.)
Aquaculture Research
36
p. 1197-1206
2004
Effect of feed composition and feeding frequency on growth, feed utilisation and nutrient retention in juvenile cod, Gadus morhua
Aquaculture Nutrition
10
p. 371-378
2004
Hydroacoustic monitoring of fish in sea cages: target strength (TS) measurements on Atlantic salmon (Salmo salar)
Fisheries Research
69
p. 205-209
2004
Effect of season, light regime and diet on muscle composition and selected quality parameters in farmed Atlantic cod, Gadus morhua L
Aquaculture Research
35
p. 683-697
2004
Precision and accuracy of stable isotope signals in otoliths of pen-reared cod (Gadus morhua) when sampled with a high-resolution micromill
Marine Biology
144
p. 1039-1049
2004
The effect of photoperiod on sexual maturation, appetite and growth in wild atlantic cod (Gadus morhua L)
Fish Physiology & Biochemistry
30
p. 163-174
2003
Gonadal development and associated changes in relative liver size and sexual steroids during the reproductive cycle of captive male and female Atlantic cod (Gadus morhua L.)
Comparative Biochemistry and Physiology - Part A: Comparative Physiology
136
p. 641-653
2003
Digestibility of dry matter, protein and lipid by cod, Gadus morhua, comparison of sampling methods
Aquaculture
225
p. 225-232
2003
Effect of sustained exercise on white muscle structure and flesh quality in farmed cod (Gadus morhua L.)
Aquaculture Research
34
p. 55-64
2003
Growth patterns and plasma levels of testoterone, 11-ketotestosterone, and IGF-1 in male Atlantic halibut (Hippoglossus hippoglossus) from juvenile stages throughout sexual development
Fish Physiology & Biochemistry
28
p. 227-228
2002
Spermatogenesis and related plasma androgen levels in Atlantic halibut (Hippoglossus hippoglossus L.)
Comparative Biochemistry and Physiology A
132
p. 567-575
2001
Growth, gonadal development and spawning time of Atlantic cod (Gadus morhua) reared under different photoperiods
Aquaculture
203
p. 51-67
2001
A correlation between phototactic response and first-feeding of (Hippoglossus hippoglossus L.) larvae
Aquaculture Research
32
p. 907-912
2001
Effects of photoperiod on sexual maturation and somatic growth in male Atlantic halibut (Hippoglossus hippoglossus L.)
Comparative Biochemistry and Physiology - Part B: Biochemistry & Molecular Biology
129
p. 357-365
2000
Environmental influences on melatonin secretion in Atlantic cod (Gadus morhua L.) and their relevance to commercial culture
Fish Physiology & Biochemistry
23
p. 191-200
1998
The effect of light on activity and growth of Atlantic halibut, Hippoglossus hippoglossus L., yolk-sac larvae
Aquaculture Research
29
p. 899-912
1996
The effect of light- and dark-rearing on the development of the eyes of Atlantic halibut (Hippoglossus hippoglossus) yolk sac larvae
Marine and Freshwater Behaviour & Physiology
28
p. 107-121
1995
Effects of periodic starvation on reproductive investment in first-time spawning Atlantic cod (Gadus morhua L.)
Aquaculture
3
p. 159-170
1994
Ultrasonography, a non-invasive method for sex determination in cod (Gadus morhua L.)
Journal of Fish Biology
44
p. 965-971
Other journal contributions
2014
Ontogeny of genetic networks underlying central appetite-controlling systems in the teleost Atlantic cod
The FASEB Journal
28
Scientific lectures
2024
Seasonal dynamics in ocean temperatures can give false impression of thermal bottleneck for spawning fish
2023
SpawnSeis. Påvirkning av luftkanon og marin vibrator på gytende torsk
2022
Atlantic cod facing climate-driven warming: reproductive physiology under challenging environmental conditions
2022
Mortality thresholds for salmon lice infections in Atlantic salmon
2022
Salmon lice in wild and cultured salmonids
2022
Atlantic cod facing climate-driven warming: Reproductive physiology under challenging environmental conditions
2022
Behavioural responses of spawning Atlantic cod (Gadus morhua) to seismic airgun exposure.
2022
Introduksjon til metode og modeller fra Risikorapport norsk fiskeoppdrett 2022 – risikovurdering — Risiko knyttet til dødelighet hos utvandrende postsmolt laks og negative effekter på sjøørret og sjørøye som følge av utslipp av lakselus fra fiskeoppdrett
2022
Introduksjon kunnskapsgrunnlag og metode for Trafikklyssystemet
2022
Nasjonalt overvåkingsprogram for lakselus (NALO) 2022
2020
Effekter av lakselus på sjøørret i naturen
2020
Hvordan skal sjøørret inn i trafikklyssystemet?
2019
How will ocean warming affect reproductive performance of Atlantic cod, Gadus morhua?
2019
Salmon lice (Lepeophtheirus Salmonis) induced mortality of Atlantic salmon (Salsmo salar) during post-smolt migration in Norway
2019
Oppsummering av den nasjonale overvåkningen av lakselus i 2019
2019
Hvordan overvåkes lakselus i Hardanger og Norge i 2019?
2019
Utfordringer og muligheter innenfor Trafikklyssystemet
2019
Hvordan overvåkes lakselusa i Trøndelag og Norge?
2019
Lusesituasjonen i Sognefjorden
2019
Lus – og påvirkning på villfisk
2019
Hindrer smart lokalisering lusesmitte
2019
Trafikklyssystemet
2019
How will ocean warming affect the reproductive performance of Atlantic cod, Gadus morhua?
2018
Bærekraftig vekst i havbruksnæringa - viktige leveranser fra MET
2018
Trafikklyssystemet - bærekraftig vekst i havbruksnæringa
2018
Interaksjoner mellom lakseoppdrett og gyteområder for torsk (ICOD-prosjektet)
2018
Interaksjoner mellom lakseoppdrett og gyteområder for torsk (ICOD-prosjektet).
2018
The use of PIT-tagging technology to monitor sea trout behaviour due to sea lice
2018
To live or to grow? Costs and benefits of sea trout adaptive behavior to heavy salmon lice (Lepeophtheirus salmonis) infestations
2018
The river positions within fjords affects salmon lice infestation on trawled postsmolt Atlantic salmon
2018
Salmon lice as an environmental indicator for managment of Norwegian salmon farming
2018
Interactions of salmon farming on Atlantic cod spawning grounds (ICOD prosjektet).
2018
Forecasting the impact of salmon lice on wild salmonids, setting the stage for sustainable growth in salmon aquaculture
2018
Lakselusovervåking – en kombinasjon av tradisjonelle fangstmetoder og hydrodynamiske modeller
2018
Flere verter – færre parasitter? Er det mulig med dagens sjøbaserte merdoppdrett?
2018
Hva hindrer vekst i røde områder?
2018
Interactions of salmon farming on Atlantic cod spawning grounds.
2017
Trafikklysmodellen og kunnskapsgrunnlaget
2017
Disentangling the role of sea lice on the marine survival of Atlantic salmon
2017
Farge og frekvens på trafikklysene
2017
Hvordan bestemmer lakselus veksten i oppdrettsnæringen?
2017
Lakselus på Nordmøre - Status i forhold til trafikklyssystemet
2017
How is the traffic light system evolving and being used?
2017
Trafikklyssystemet - og veien videre
2017
Application of gas chromatography/tandem mass spectrometry to determine a wide range of petrogenic polycyclic aromatic hydrocarbons in small samples of oil exposed fish egg
2017
DNA damage in Atlantic haddock exposed to sediment or produced water associated PAHs
2017
Oil droplet fouling and differential PAH toxicokinetics in embryos of Atlantic haddock and cod.
2016
Development of lice dispersal models and their utility in predicting impacts on wild Atlantic salmon
2016
Forskningsbaserte råd om lakselus
2016
Lusesituasjonen i Hardanger
2016
The effect of salmon lice infections on wild caught Atlantic salmon (Salmo salar) and sea trout (Salmo trutta) postsmolts – a laboratory study
2016
Presentasjon av årets overvåkningsprogram på lus og relatert forskning
2016
Sameksistens mellom fiskeri og havbruk
2016
ProCoEx tiltak for positiv sameksistens
2016
Presentasjon av Risikovurdering 2016
2016
Bruk av smittekart for vurdering av status 2015-2016 for sjøørret/sjørøye innen produksjonsområdene.
2015
Linking mechanisms of PAH cardiotoxicity, morphogenetic defects and cardiac gene expression in atlantic haddock
2015
Interaction with dispersed crude oil droplets drives severe toxicity and delayed mortality in Atlantic haddock embryos.
2015
Lakselusmodellen – en bred og detaljert gjennomgang
2015
Fôring med rotatorier/Artemia eller naturlig zooplankton påvirker vekst hos torskelarver
2014
The Hjort Centre for Marine Ecosystem Dynamics, Comprehensive experimental possibilities
2014
Interactions between pelagic fish embryos and dispersed oil droplets
2014
Sustainable coexistence between salmon culture and coastal fisheries
2014
Study on appetite control system in Atlantic cod (Gadus morhua) larvae: Development and distribution of neuropeptide y (NPY) and cocaine- and amphetamine-regulated transcript (CART)
2014
Characterizing appetite controlling system in fast-growing Atlantic cod larvae
2014
Fôring med naturlig zooplankton øker vekst og utvikling hos torskelarver
2014
Hva karakteriserer fysiologiske systemer som kontrollerer apetitt og fordøyelse i rasktvoksende torskelarver
2014
Interaction between pelagic fish embryos and dispersed oil droplets
2014
Interactions between pelagic fish embryos and dispersed oil droplets
2014
Transkriptomanalyse av atlantisk torsk - mekanismer for rask vekst
2013
Fôring med naturlig zooplankton øker vekst og utvikling hos torskelarver
2013
TRANSCRIPTOMIC ANALYSIS OF DEVELOPING ATLANTIC COD - UNDERSTANDING THE MECHANISMS UNDERLYING HIGH GROWTH
2013
Kunnskapsgrunnlag for tiltak for positiv sameksistens mellom havbruk og fiskeri
2013
Is spawning success of Atlantic cod escapees influenced by differences in sperm competition?
2013
Transcriptome analysis- monitoring dietary effects on appetite and digestion in Atlantic cod larvae during ontogeny
2012
Attempts to induce sterility in Atlantic salmon by morfolino and zink finger techniques
2012
The use of indicators in assessing sustainability of feed ingredients
2011
Control of sexual maturity in cod farming – status and future solution
2011
Sperm traits and reproductive roles in a marine broadcast spawner
2009
Is sperm competition a major component of sexual selection in Atlantic cod?
2008
Mating competition between farmed and wild cod
2008
Movements and behaviour of escaped farmed cod (Gadus morhua) on a spawning ground
2008
Determinants of sperm competition and the role of cryptic female choice in the broadcast spawning Atlantic cod (Gadus morhua)
2008
Movement and behaviour of escaped farmed cod (Gadus morhua L)
2007
Movements and behaviour of escaped farmed cod on a spawning ground
Poster
2022
Mortality thresholds for Atlantic salmon with salmon lice infections
2019
How climate change may affect reproductive performance of Atlantic cod
2019
From oogenesis to embryonic development: How climate change may affect reproductive performance of Atlantic cod
2019
Do seismic surveys affect the behavior of spawning cod?
2019
Behaviour of spawning cod in relation to marine seismic surveys
2018
Anadromous whitefish (Coregonus lavaretus L.) as host for salmon lice (Lepeophtheirus salmonis Krøyer)
2018
The role of water currents in the migration behavior of salmon postsmolts: Implications for salmon lice risk asessment
2017
The influence of salmon Salmo salar aquaculture on spawning ground use of Atlantic cod Gadus morhua.
2017
Anadromous whitefi sh (Coregonus lavaretus L.) as host for salmon lice(Lepeophtheirus salmonis Krøyer)
2017
Survival and habitat use of sea trout post-smolts artificially infested with salmon lice: A pilot study
2016
Use of sentinel cages to monitor the effect of fallowing regimes on salmon lice infestations
2016
Sampling methods for monitoring sea lice on wild sea trout
2016
Effects of salmon lice on the survival and growth of sea trout
2016
Strategy for an environmentally sustainable aquaculture industry
2016
Can a qualitative use of a hydrodynamic dispersal model for sea lice predict areas with high and low infestation levels on wild sea trout?
2015
Diet affects the redox system in developing Atlantic cod (Gadus morhua) larvae
2014
Ontogeny of genetic networks underlying central appetite-controlling systems in the teleost Atlantic cod
2014
Key nutrients for the enhanced growth and development of Atlantic cod (Gadus morhua) larvae fed copepods, in comparison with rotifers
2013
Copepods enhance growth and development in Atlantic cod (Gadus morhua L.) larvae
2013
Nutritional improvements using natural zooplankton in Atlantic cod hatcheries
2011
Effect of dietary lipid levels on sexual maturation and fecundity in female Atlantic cod (Gadus morhua L.)
2011
The link between broodstock stress and offspring developmental potential in Atlantic cod Gadus morhua L
2008
Sperm competition in farmed and wild cod
2007
The cod mating system and the risk of genetic introgression from farmed escapees
Reports and dissertations
2024
Lakselusinfestasjon på vill laksefisk våren 2024 - Fremdriftsrapport til Mattilsynet
Rapport fra havforskningen
2024
Risikorapport norsk fiskeoppdrett 2024 - Produksjonsdødelighet hos oppdrettsfisk og miljøeffekter av norsk fiskeoppdrett
Rapport fra havforskningen
2024
Annual report on health monitoring of wild anadromous salmonids in Norway 2023 - Screening of Atlantic salmon postsmolts from Boknafjorden and Hardangerfjorden and sea trout from Hitra for pathogen infections
Rapport fra havforskningen
2023
En vurdering av lakselusinfestasjonen i produksjonsområdene 2023 - Sluttrapport til Mattilsynet fra den nasjonale overvåkingen av lakselus på vill laksefisk (NALO)
Rapport fra havforskningen
2023
Annual report on health monitoring of wild anadromous salmonids in Norway 2022 - Screening of Atlantic salmon (Salmo salar) postsmolts from Boknafjorden, Hardangerfjorden and Romsdalsfjorden for viral infections
Rapport fra havforskningen
2023
Lakselusinfestasjon på vill laksefisk våren 2023 — Fremdriftsrapport til Mattilsynet
2023
Lakselus – risikovurdering og kunnskapsstatus 2023 — Dødelighet og negative effekter hos laksefisk som følge av lakselus
2023
Risikorapport norsk fiskeoppdrett 2023 — Produksjonsdødelighet hos oppdrettsfisk og miljøeffekter av norsk fiskeoppdrett
2022
Annual report on health monitoring of wild anadromous salmonids in Norway 2021 - Screening of Atlantic salmon (Salmo salar) postsmolts for viral infections
2022
Risikorapport norsk fiskeoppdrett 2022 - kunnskapsstatus - Effekter på miljø og dyrevelferd i norsk fiskeoppdrett
2022
Lakselusinfestasjon på vill laksefisk våren 2022: Framdriftsrapport til Mattilsynet
2022
Vandring hos postsmolt av laks fra Vikedals- og Dirdalselven i Boknafjorden 2021
2022
Risikorapport norsk fiskeoppdrett 2022 - risikovurdering — Effekter på miljø og dyrevelferd i norsk fiskeoppdrett
2022
En vurdering av lakselusinfestasjonen i produksjonsområdene 2022 - Basert på data fra den nasjonale overvåkingen av lakselus på vill laksefisk (NALO)
2022
Produksjonsområdebasert vurdering av lakselusindusert villfiskdødelighet i 2022
2022
Vurdering av heterogenitet i lakselusindusert villfiskdødelighet innen produksjonsområder i 2020 og 2021
2022
Lakselusinfestasjon på vill laksefisk langs Norskekysten i 2022 — Sluttrapport til Mattilsynet
2021
Estimert dødelighet for utvandrende postsmolt av laks 2012-2021 — Rapport til Mattilsynet OK-program 56827 – Lakselusovervåking
2021
Lakselusinfestasjon på vill laksefisk langs Norskekysten i 2021 - Med foreløpige data fra fokusområder
2021
En vurdering av lakselusinfestasjonen i produksjonsområdene 2021 - Basert på data fra den nasjonale overvåkingen av lakselus på vill laksefisk (NALO)
2021
Sluttrapport fra ICOD-prosjektet - Arbeidspakke 2: Egg- og yngelundersøkelser på gyte- og oppvekstområder på Smøla og i Aure i forbindelse med etablering av oppdrettsanlegg nær lokale gyteområder for kysttorsk
2021
Lakselusinfestasjon på vill laksefisk våren 2021 - Framdriftsrapport til Mattilsynet
2021
Kunnskapsgrunnlag for mulig påvirkning fra oppdrettstorsk og levendelagret torsk på villtorsk
2021
Annual report on health monitoring of wild anadromous salmonids in Norway 2020 - Screening of wild Atlantic salmon (Salmo salar) postsmolts for viral infections
2021
Risikorapport norsk fiskeoppdrett 2021 - kunnskapsstatus
2021
Risikorapport norsk fiskeoppdrett 2021 - risikovurdering
2021
Estimert dødelighet for utvandrende postsmolt av laks 2012-2020 - Rapport til Mattilsynet OK-program 56827 – Lakselusovervåking
2020
Vandring hos postsmolt av laks i Boknafjorden 2020 - Status for første året
2020
En vurdering av lakselusinfestasjonen i produksjonsområdene i 2020 - basert på data fra den nasjonale overvåkingen av lakselus på vill laksefisk (NALO)
2020
Risikorapport norsk fiskeoppdrett 2020 : Risiko knyttet til dødelighet hos utvandrende postsmolt laks som følge av utslipp av lakselus fra fiskeoppdrett
2020
Lakselusinfestasjon på vill laksefisk langs Norskekysten i 2020 - Sluttrapport til Mattilsynet
2020
Vurdering av lakselusindusert villfiskdødelighet per produksjonsområde i 2019. Rapport fra ekspertgruppe for vurdering av lusepåvirkning.
2020
Endring i utslipp av lakseluslarver i PO3, og vurdering av miljøeffekter
2020
Lakselusinfestasjon på vill laksefisk våren 2020 - Framdriftsrapport til Mattilsynet
2020
Kunnskapsstatus lakselus 2020 - Effekt av lakselus på vill laksefisk (2010-2019)
2020
Risiko knyttet til dødelighet hos utvandrende postsmolt lakssom følge av utslipp av lakselus fra fiskeoppdrett
2020
Annual report on health monitoring of wild anadromous salmonids in Norway 2019: Screening of Atlantic salmon (Salmo salar) smolts for viral infections
2020
Endret lokalitetsstruktur i produksjonsområde 3 - vurdert virkning på spredning av lakselus, pankreassykdom og infektiøs lakseanemi
2020
En vurdering av lakselusinfestasjonen i produksjonsområdene i 2018 og 2019 - Basert på data fra den nasjonale overvåkingen av lakselus på vill laksefisk (NALO)
2019
Lakselusinfestasjon på vill laksefisk langs Norskekysten i 2019 : Sluttrapport til Mattilsynet
2019
Lakselusinfestasjon på vill laksefisk våren 2019 - Framdriftsrapport til Mattilsynet
2019
Annual report on health monitoring of wild anadromous salmonids in Norway 2018 - Screening of migrating Atlantic salmon (Salmo salar) postsmolts from the Trondheim fjord for viral infections
2019
Lakselusinfestasjon på vill laksefisk langs norskekysten i 2018 - Sluttrapport til Mattilsynet
2018
Risikorapport norsk fiskeoppdrett 2018
2018
Estimert luserelatert dødelighet hos postsmolt som vandrer ut fra norske lakseelver 2012-2017
2018
Lakselusinfestasjon på vill laksefisk våren og sommeren 2018 – Framdriftsrapport til Mattilsynet september 2018
2018
Annual report on health monitoring of wild anadromous salmonids in Norway 2017
2018
Lakselusinfestasjon på vill laksefisk våren 2018 – Framdriftsrapport til Mattilsynet juni 2018
2018
Effekten av nasjonale laksefjorder på risikoen for lakselusinfestasjon hos vill laksefisk langs norskekysten - Sluttrapportering av ordningen med nasjonale laksefjorder
2018
Lakselusinfestasjon på vill laksefisk langs norskekysten i 2017
2017
Lakselusinfestasjon på vill laksefisk langs norskekysten i 2016. Med vekt på modellbasert varsling og tilstandsbekreftelse.
2017
Lakselusinfestasjon på vill - laksefisk i mai 2017: Framdriftsrapport til Mattilsynet
2017
DNA damage and health effects in juvenile haddock exposed to sediment or produced water associated PAHs
2017
Risikorapport norsk fiskeoppdrett 2017
2017
Vurdering av lakselusindusert villfiskdødelighet per produksjonsområde i 2016 og 2017. Rapport fra ekspertgruppe for vurdering av lusepåvirkning
2017
Lakselusinfestasjon på vill laksefisk vår og sommer 2017 – Framdriftsrapport til Mattilsynet september 2017
2016
Evaluering av tiltak for å fremme bærekraftig sameksistens mellom fiskeri og havbruksnæring (ProCoEx)
2016
Lakselusinfeksjonen på vill laksefisk langs norskekysten i 2015. En fullskala test av modellbasert varsling og tilstandsbekreftelse.
2016
Kunnskapsstatus som grunnlag for kapasitetsjustering innen produksjonsområder basert på lakselus som indikator
2016
Effekter av utslipp fra akvakultur på spesielle marine naturtyper, rødlista habitat og arter. Kunnskapsstatus
2016
Fremdriftsrapport til Mattilsynet over lakselusinfestasjon på vill laksefisk langs norskekysten i mai og juni 2016
2016
Fremdriftsrapport til Mattilsynet - Lakselusinfestasjon på vill laksefisk sommeren 2016
2016
Interaksjon mellom fiskeoppdrett og fiskeressurser på kysten
2016
Risikovurdering av norsk fiskeoppdrett 2016
2014
Risikovurdering norsk fiskeoppdrett 2013
2013
Risikovurdering norsk fiskeoppdrett 2012
2013
Lakselusinfeksjonen på vill laksefisk langs Norskekysten i 2013. Sluttrapport til Mattilsynet
2013
Kunnskapsstatus - plassering av oppdrettsanlegg og mulige interaksjoner med gytefelt og oppvekstområder for marin fisk og vandringsruter for laks
2013
Vedlegg til rapport: Interaksjoner mellom havbruk og ville marine organismer - En kunnskapsoppsummering
2010
Havforskningsrapporten 2010
2007
Sædkvalitet hos steinbit
1999
Hatching and octogeny in marine fishes : consequences for variability and viability at first feeding
Net reports
Net reports
- Lakselusinfestasjon på vill laksefisk våren 2024
- Annual report on health monitoring of wild anadromous salmonids in Norway 2023
- Risikorapport norsk fiskeoppdrett 2024
- En vurdering av lakselusinfestasjonen i produksjonsområdene 2023
- Annual report on health monitoring of wild anadromous salmonids in Norway 2022
- Lakselusinfestasjon på vill laksefisk våren 2023
- Risikorapport norsk fiskeoppdrett 2023
- Lakselus – risikovurdering og kunnskapsstatus 2023
- Lakselusinfestasjon på vill laksefisk langs Norskekysten i 2022
- En vurdering av lakselusinfestasjonen i produksjonsområdene 2022
- Vandring hos postsmolt av laks fra Vikedals- og Dirdalselven i Boknafjorden 2021
- Lakselusinfestasjon på vill laksefisk våren 2022
- Risikorapport norsk fiskeoppdrett 2022 - risikovurdering
- Risikorapport norsk fiskeoppdrett 2022 - kunnskapsstatus
- Annual report on health monitoring of wild anadromous salmonids in Norway 2021
- Lakselusinfestasjon på vill laksefisk langs Norskekysten i 2021
- Estimert dødelighet for utvandrende postsmolt av laks 2012-2021
- En vurdering av lakselusinfestasjonen i produksjonsområdene 2021
- Sluttrapport fra ICOD-prosjektet
- Lakselusinfestasjon på vill laksefisk våren 2021
- Kunnskapsgrunnlag for mulig påvirkning fra oppdrettstorsk og levendelagret torsk på villtorsk
- Annual report on health monitoring of wild anadromous salmonids in Norway 2020
- Risikorapport norsk fiskeoppdrett 2021 - risikovurdering
- Risikorapport norsk fiskeoppdrett 2021 - kunnskapsstatus
- Estimert dødelighet for utvandrende postsmolt av laks 2012-2020
- En vurdering av lakselusinfestasjonen i produksjonsområdene i 2020
- Vandring hos postsmolt av laks i Boknafjorden 2020
- Lakselusinfestasjon på vill laksefisk langs Norskekysten i 2020
- Risikorapport norsk fiskeoppdrett 2020
- Kunnskapsstatus lakselus 2020
- Lakselusinfestasjon på vill laksefisk våren 2020
- Annual report on health monitoring of wild anadromous salmonids in Norway 2019
- Endring i utslipp av lakseluslarver i PO3, og vurdering av miljøeffekter
- Endret lokalitetsstruktur i produksjonsområde 3
- En vurdering av lakselusinfestasjonen i produksjonsområdene i 2018 og 2019.
- Lakselusinfestasjon på vill laksefisk langs Norskekysten i 2019
- Annual report on health monitoring of wild anadromous salmonids in Norway 2018
- Lakselusinfestasjon på vill laksefisk våren 2019
- Lakselusinfestasjon på vill laksefisk langs norskekysten i 2018
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