Øystein Skaala
Publikasjoner
Vitenskapelige artikler (NVI)
2024
Most of the escaped farmed salmon entering a river during a 5-year period were infected with one or more viruses
Journal of Fish Diseases
2024
Regional and temporal variation in escape history of Norwegian farmed Atlantic salmon
ICES Journal of Marine Science
81
p. 119-129
2023
Caught in the trap: over half of the farmed Atlantic salmon removed from a wild spawning population in the period 2014−2018 were mature
Aquaculture Environment Interactions
15
p. 271-285
2023
DNA and scale reading to identify repeat spawning in Atlantic salmon: Unique insights into patterns of iteroparity
Evolutionary Applications
2023
Caught in the trap: over half of the farmed Atlantic salmon removed from a wild spawning population in the period 2014−2018 were mature
Aquaculture Environment Interactions
15
p. 271-285
2023
Overruled by nature: A plastic response to environmental change disconnects a gene and its trait
Molecular Ecology
2022
Natural and anthropogenic drivers of escaped farmed salmon occurrence and introgression into wild Norwegian Atlantic salmon populations
ICES Journal of Marine Science
79
p. 1363-1379
2022
Introgression of domesticated salmon changes life history and phenology of a wild salmon population
Evolutionary Applications
15
p. 853-864
2022
Time series covering up to four decades reveals major changes and drivers of marine growth and proportion of repeat spawners in an Atlantic salmon population
Ecology and Evolution
12
2022
Large-effect loci mediate rapid adaptation of salmon body size after river regulation
Proceedings of the National Academy of Sciences of the United States of America
119
2021
Long-term monitoring of a brown trout (Salmo trutta) population reveals kin-associated migration patterns and contributions by resident trout to the anadromous run
BMC Ecology and Evolution
2021
Predicting the nationwide outmigration timing of Atlantic salmon (Salmo salar) smolts along 12 degrees of latitude in Norway
Diversity and Distributions: A journal of biological invasions and biodiversity
27
p. 1383-1392
2021
Drift diving: A quick and accurate method for assessment of anadromous salmonid spawning populations
Fisheries Management and Ecology
2020
Genetic analysis redraws the management boundaries for the European sprat
Evolutionary Applications
13
p. 1906-1922
2020
Epistatic regulation of growth in Atlantic salmon revealed: a QTL study performed on the domesticated-wild interface
BMC Genetics
21
2020
Atlantic salmon and sea trout display synchronised smolt migration relative to linked environmental cues
Scientific Reports
10
p. 1-13
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
The future looks like the past: Introgression of domesticated Atlantic salmon escapees in a risk assessment framework
Fish and Fisheries
2019
Population genetic analysis reveals a geographically limited transition zone between two genetically distinct Atlantic salmon lineages in Norway
Ecology and Evolution
9
p. 6901-6921
2019
Inferring Atlantic salmon post-smolt migration patterns using genetic assignment
Royal Society Open Science
6:190426
p. 1-10
2019
Domesticated escapees on the run: The second-generation monitoring programme reports the numbers and proportions of farmed Atlantic salmon in >200 Norwegian rivers annually
ICES Journal of Marine Science
76
p. 1151-1161
2019
An extensive common‐garden study with domesticated and wild Atlantic salmon in the wild reveals impact on smolt production and shifts in fitness traits
Evolutionary Applications
12
p. 1001-1016
2018
Cryptic introgression: evidence that selection and plasticity mask the full phenotypic potential of domesticated Atlantic salmon in the wild
Scientific Reports
8:13966
p. 1-10
2018
Judging a salmon by its spots: Environmental variation is the primary determinant of spot patterns in Salmo salar
BMC Ecology
18:14
p. 1-13
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
2017
Timing is everything: Fishing-season placement may represent the most important angling-induced evolutionary pressure on Atlantic salmon populations
Ecology and Evolution
7
p. 7490-7502
2017
The ecological profile of Atlantic salmon escapees entering a river throughout an entire season: Diverse in escape history and genetic background, but frequently virus-infected
ICES Journal of Marine Science
74
p. 1371-1381
2017
Half a century of genetic interaction between farmed and wild Atlantic salmon: Status of knowledge and unanswered questions
Fish and Fisheries
18
p. 890-927
2017
Half a century of genetic interaction between farmed and wild Atlantic salmon: Status of knowledge and unanswered Questions
Fish and Fisheries
p. 1-38
2016
The ecological profile of Atlantic salmon escapees entering a river throughout an entire season: diverse in escape history and genetic background, but frequently virus-infected
ICES Journal of Marine Science
2016
Genetic screening of farmed Atlantic salmon escapees demonstrates that triploid fish display reduced migration to freshwater
Biological Invasions
18
p. 1287-1294
2016
Siblingship tests connect two seemingly independent farmed Atlantic salmon escape events
Aquaculture Environment Interactions
8
p. 497-509
2015
Identification of quantitative genetic components of fitness variation in farmed, hybrid and native salmon in the wild
Heredity
115
p. 47-55
2015
The frequency of spontaneous triploidy in farmed Atlantic salmon produced in Norway during the period 2007–2014
BMC Genetics
16
2015
Potential disease interaction reinforced: double-virusinfected escaped farmed Atlantic salmon, Salmo salar L., recaptured in a nearby river
Journal of Fish Diseases
38
p. 209-219
2014
Differential changes in growth patterns of anadromous brown trout and Atlantic salmon from the River Etneelva over a 25-year period
Marine Biology Research
10
p. 301-307
2014
Evidence of salmon lice-induced mortality of anadromous brown trout (Salmo trutta) in the Hardangerfjord, Norway
Marine Biology Research
10
p. 279-288
2014
Microsatellite DNA used for parentage identification of partly digested Atlantic salmon (Salmo salar) juveniles through non-destructive diet sampling in salmonids
Marine Biology Research
10
p. 323-328
2014
Basin-scale phenology and effects of climate variability on global timing of initial seaward migration of Atlantic salmon (Salmo salar)
Global Change Biology
20
p. 61-75
2014
A conservation plan for Atlantic salmon (Salmo salar) and anadromous brown trout (Salmo trutta) in a region with intensive industrial use of aquatic habitats, the Hardangerfjord, western Norway
Marine Biology Research
10
p. 308-322
2013
Does Domestication Cause Changes in Growth Reaction Norms?A Study of Farmed, Wild and Hybrid Atlantic Salmon Families Exposed to Environmental Stress
PLoS ONE
8(1):
p. e54469
2013
Atlantic salmon populations invaded by farmed escapees: quantifying genetic introgression with a Bayesian approach and SNPs
BMC Genetics
14
2013
Kva skjer med oppdrettslaksen sitt avkom i naturen?
Fisken og Havet, Særnummer
p. 18-19
2013
Molecular Genetic Analysis of Stomach Contents Reveals Wild Atlantic Cod Feeding on Piscine Reovirus (PRV) Infected Atlantic Salmon Originating from a Commercial Fish Farm
PLOS ONE
8
2013
Does domestication cause changes in growth reaction norms? A study of farmed, wild and hybrid Atlantic salmon families exposed to environmental stress
PLOS ONE
8
2013
Genetic analysis of Atlantic salmon captured in a netting station reveals multiple escapement events from commercial fish farms
Fisheries Management and Ecology
20
p. 42-51
2012
Performance of farmed, hybrid, and wild Atlantic salmon (Salmo salar) families in a natural river environment
Canadian Journal of Fisheries and Aquatic Sciences
69
p. 1994-2006
2012
Three Decades of Farmed Escapees in the Wild: A Spatio-Temporal Analysis of Atlantic Salmon Population Genetic Structure throughout Norway
PLOS ONE
7
2011
An assessment of the spatial scale of local adaptation in brown trout (Salmo trutta L): footprints of selection at microsatellite DNA loci
Heredity
106
p. 488-499
2011
Investigating genetic change in wild populations: modelling gene flow from farm escapees
Aquaculture Environment Interactions
2
p. 75-86
2011
Genetic differentiation among Atlantic salmon reared in sea-cages reveals a non-random distribution of genetic material from a breeding programme to commercial production
Aquaculture Research
42
p. 1323-1331
2011
Microsatellite DNA reveals population genetic differentiation among sprat (Sprattus sprattus) sampled throughout the Northeast Atlantic, including Norwegian fjords
ICES Journal of Marine Science
68
p. 2145-2151
2011
An assessment of the spatial scale of local adaptation in brown trout (Salmo trutta L.): footprints of selection at microsatellite DNA loci
Heredity
106
p. 488-499
2010
A comparison of SNP and STR loci for delineating population structure and performing individual genetic assignment
BMC Genetics
11
2009
A comparison of farmed, wild and hybrid Atlantic salmon (Salmo salar L.) reared under farming conditions
Aquaculture
286
p. 203-210
2009
Identifying the source of farmed escaped Atlantic salmon (Salmo salar): Bayesian clustering analysis increases accuracy of assignment
Aquaculture
290
p. 37-46
2009
Vertebral body mineralization and deformities in cultured Atlantic salmon (Salmo salar L.): Effects of genetics and off-season smolt production
Aquaculture
296
p. 36-44
2007
Gene flow, effective population size and selection at Major Histocompatibility Complex genes: brown trout in the Hardanger Fjord, Norway
Molecular Ecology
2007
Major histocompatibility complex (MHC) variation and susceptibility to the sea louse Lepeophtheirus salmonis in Atlantic salmon Salmo salar
Diseases of Aquatic Organisms
76
p. 57-65
2006
Evidence of temporal genetic change in wild Atlantic salmon populations affected by farm escapees
ICES Journal of Marine Science
63
p. 1224-1233
2006
Genetic variability in wild and farmed Atlantic salmon (Salmo salar) strains estimated by SNP and microsatellites
Aquaculture
253
p. 229-237
2006
Genetic differentiation among sea trout, Salmo trutta L., populations from western Norway
Journal of Applied Ichthyology
22
p. 57-61
2006
Minimal gene flow from introduced brown trout (Salmo trutta L.) after 30 years of stocking
Journal of Applied Ichthyology
22
p. 119-124
2005
Genetic differences between five major domesticated strains of Atlantic salmon (Salmo salar) and wild salmon
Journal of Fish Biology
67, Supplement A
p. 118-128
2005
Population Structure in the Atlantic Salmon: Insights From 40 Years of Research into Genetic Protein Variation
Journal of Fish Biology
67, Supplement A
p. 3-55
2005
Oppdrettslaks på avvegar: omfang, konsekvensar og identifisering
Fisken og Havet
2
p. 105-107
2004
Microsatellite analysis in domesticated and wild Atlanticsalmon (Salmo
Aquaculture
240
p. 131-143
2004
Microsatellite variation in populations of Atlantic salmon from North Europe
Environmental Biology of Fishes
69
p. 143-152
2002
High mortality in introduced brown trout depressed potential gene flow to a wild population
Journal of Fish Biology
61
p. 1085-1097
2001
Cannibalism governing mortality of juvenile brown trout, Salmo trutta, in a regulated stream
Regulated Rivers: Research and Management
17
p. 583-594
2001
Finprikkaure - En sjelden og truet variant av aure
Stavanger Museums årbok
110
p. 133-148
1996
Genetic impact on two wild brown trout (Salmo trutta L.) populations after release of non-indigenous spawners
Canadian Journal of Fisheries and Aquatic Sciences
53
p. 2027-2035
1993
Size-dependent catchability of brown trout and Atlantic salmon parr by electrofishing in a low conductivity stream
Nordic Journal of Freshwater Research
68
p. 14-21
1991
Fine-spotted brown trout: genetic aspects and the need for conservation
Journal of Fish Biology
39
p. 123-130
Annet tidsskriftbidrag
2014
Interactions between salmon farming and the ecosystem: Lessons from the Hardangerfjord, western Norway
Marine Biology Research
10
p. 199-202
2013
Den eigentlege laksen
Dagens næringsliv
2011
Feil om laks
Dagens næringsliv
Faglige foredrag
2023
Hva skjedde med laksen i Eira? - Menneskeskapt evolusjon i en naturlig laksebestand
2021
Påvirker vannkraftutbygging laksens størrelse? Menneskeskapt evolusjon i en naturlig laksebestand
2020
Nasjonal kartlegging av genetisk struktur hos sjøørret
2019
Eksperimentelle undersøkelser av vekst og overlevelse hos oppdrettslaks og villaks
2019
Escaped farm salmon affect the Genetics of Wild salmon populations all along the Norwegian coast
2018
Ulv i fåreklær – vekstpotensialet til oppdrettslaks er skjult i naturen, men avsløres under oppdrettsforhold
2016
Risk assessment of genetic impact of escaped farmed salmon on wild populations in Norway
2016
Genetisk interaksjon og vurdering opp mot kvalitetsnorm
2012
A study of growth reaction norms of farmed, wild and hybrid Atlantic salmon (Salmo salar L.) families exposed to different levels of stress
2012
Knowledge Platform - Quantifying Genetic Effects of Escaped Farmed Salmon on Wild Salmon (QuantEscape)
2011
Sjøaurebestanden i Guddalselva 2000-2011
2007
Utvandring av laks- og auresmolt i Guddalselva
Poster
2018
The role of water currents in the migration behavior of salmon postsmolts: Implications for salmon lice risk asessment
2012
Different responses in growth of post-smolts of seatrout Salmo trutta and Atlantic salmon Salmo salar from the River Etne during a 25-year period; effects of climate change and sea-lice infection?
2012
Evidence of salmon lice-induced mortality of anadromous brown trout (Salmo trutta) in the Hardangerfjord, Norway
2012
Performance of farm, hybrid and wild Atlantic salmon (Salmo salar) families in a natural river environment
2010
Results from River Guddal: Performance of farmed, hybrid and wild salmon planted out as eyed eggs
2009
Sjøaure og laks i Guddalselva 2001-2009
Rapporter og avhandlinger
2024
Rømt oppdrettslaks i vassdrag i 2023. Rapport fra det nasjonale overvåkningsprogrammet
Rapport fra havforskningen
2024
Rømt oppdrettslaks i vassdrag i 2023. Rapport fra det nasjonale overvåkningsprogrammet
Rapport fra havforskningen
2024
Risikorapport norsk fiskeoppdrett 2024 - Produksjonsdødelighet hos oppdrettsfisk og miljøeffekter av norsk fiskeoppdrett
Rapport fra havforskningen
2024
Evaluering av tiltak mot pukkellaks i Norge i 2023. Nasjonal kompetansegruppe for tiltak mot pukkellaks
2024
Rømt og vill fisk i Etneelva 2023 - Resultat fra Fjord- og Elvelaboratoriet i Etne
Rapport fra havforskningen
2023
Genetisk påvirkning av rømt oppdrettslaks på ville laksebestander – oppdatert status 2023
NINA rapport
2023
Forslag til definisjon av laksebestander
NINA rapport
2023
Rømt oppdrettslaks i vassdrag i 2022 — Rapport fra det Nasjonale Overvåkningsprogrammet for Rømt Oppdrettslaks
2023
Rømt og vill fisk i Etneelva 2022 - Resultat frå den nasjonale forskingsplattforma i Etne
2023
Rømt oppdrettslaks – risikovurdering og kunnskapsstatus 2023 — Ytterligere genetisk endring hos villaks som følge av innkryssing av rømt oppdrettslaks
2022
Rømt og vill fisk i Etneelva 2021 - Resultat frå den nasjonale forskningsplatforma i Etne
2022
Rømt oppdrettslaks i vassdrag i 2021 : Rapport fra det nasjonale overvåkningsprogrammet
2021
Rapport frå det nasjonale elvelaboratoriet i Guddalselva 2021 - Elvemiljø, smoltutvandring og gytebestandar av laks (Salmo salar) og sjøaure (Salmo trutta)
2021
Rapport frå det nasjonale elvelaboratoriet i Guddalselva 2021 - Elvemiljø, smoltutvandring og gytebestandar av laks (Salmo salar) og sjøaure (Salmo trutta)
2021
Rømt oppdrettslaks i vassdrag i 2020 - Rapport fra det nasjonale overvåkningsprogrammet
2021
Rømt og vill fisk i Etneelva 2020 - Resultat frå den nasjonale forskningsplatforma i Etne
2020
Genetisk påvirkning av rømt oppdrettslaks på ville laksebestander – oppdatert status 2020
2020
Rømt oppdrettslaks i vassdrag i 2019 : Rapport fra det Nasjonale Overvåkningsprogrammet
2020
Regnbueørret (Onchorhynchus mykiss); produksjon og interaksjoner med stedegne arter
2020
Rømt og vill fisk i Etneelva 2019: resultat frå den nasjonale feltplattforma
2019
OURO Etneelva 2018
2019
Genetisk påvirkning av rømt oppdrettslaks på ville laksebestander – oppdatert status 2019
2019
OURO Etneelva 2018
2018
Pukkellaks i Norge, 2017
2018
Annual report on health monitoring of wild anadromous salmonids in Norway 2017
2018
Rømt og vill fisk i Etneelva 2017
2017
A summary of 20 years (1998-2017) of scientific work on genetics and survival in anadromous brown trout (Salmo trutta L) and Atlantic salmon (S. salar L) in the river Guddalselva western Norway
2017
Genetisk påvirkning av rømt oppdrettslaks på ville laksebestander – status 2017
2014
Risikovurdering norsk fiskeoppdrett 2013
2013
Risikovurdering norsk fiskeoppdrett 2012
2012
Forslag til førstegenerasjons målemetode for miljøeffekt (effektindikatorer) med hensyn til genetisk påvirkning fra oppdrettslaks til villaks, og påvirkning av lakselus fra oppdrett på viltlevende laksefiskbestander
2011
Genetiske effekter av rømt oppdrettslaks på ville laksebestander:: utforming av indikatorer
2009
Nasjonal lakselusovervåkning 2008 på ville bestander av laks, sjøørret og sjørøye langs Norskekysten samt i forbindelse med evaluering av nasjonale laksevassdrag og laksefjorder
2008
Nasjonal overvåkning av lakselusinfeksjon på ville bestander av laks, sjøørret og sjørøye i forbindelse med nasjonale laksevassdrag og laksefjorder
2008
Rømt regnbogeaure - økologiske interaksjonar med vill laks og sjøaure
2007
Registreringer av lakselus på laks, sjøørret og sjørøye i 2006
2006
The application of genetic profiling and statistical assignment methods in the mangagement of fish populations
2004
Hardangerfjorden – produksjon av laksefisk og effekter på de ville bestandene av laksefisk
2003
Biotopfremjande tiltak. Evaluering av effekten på fiskeproduksjonen i Guddalselva, Kvinnherad (Hordaland)
2003
Biotopfremjande tiltak. Evaluering av effekten på fiskeproduksjonen i Guddalselva, Kvinnherad (Hordaland)
2001
Elvevis vurdering av bestandsstatus og årsaker til bestandsutviklingen av laks i Hordaland og Sogn og Fjordane
1999
Betydninga av lange tidsseriar i forvaltningsrelatert havbruksforskning: Sjøaure i Hardangerfjorden - årlege svingingar i antal og vekst hos parr og vekst hos postsmolt
1993
A method of observing the spawning behaviour of farmed and wild salmonids in a natural stream habitat
1992
Genetic variation in brown trout Salmo trutta L., and application of genetic markers in studies on gene flow from cultured populations
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