Jon-Ivar Westgaard

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Forsker
Telefon: 90081944
Avdeling: Populasjonsgenetikk

Publikasjoner

Poster

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
2014

The use of otoliths as DNA source in population genetics; population structure of European hake by the use of SNPs

Jon-Ivar Westgaard, Jane Amtoft Godiksen, Arved Staby, Henrik Svedäng, Carl André, Audrey J. Geffen
2011

A diagnostic tool for efficient genetic analysis of population structure in coregonids

Kim Præbel, Jon-Ivar Westgaard, Per-Arne Amundsen, Anna Siwertsson, Rune Knudsen, Kimmo K. Kahilainen, Svein-Erik Fevolden
2009

Farming of Atlantic cod Gadus morhua in the vicinity of major spawning sites fot Norwegian coastal cod populations - is it hazardous?

Svein-Erik Fevolden, Jon Ivar Westgaard, Jørgen Schou Christiansen
2009

Four microsatellite multiplex panels for studies of speciation, hybridization, and population dynamics in Coregonid fishes

Kim Præbel, Svein-Erik Fevolden, Jon-Ivar Westgaard, Per-Arne Amundsen
2006

Genetic parameters for post-stress cortisol activity and vibriosis resistance in Atlantic cod

Anne Kettunen, jon-ivar Westgaard, Kjersti Fjalestad, Stefano Peruzzi, Svein Erik Fevolden
2006

Population structure of Atlantic cod in Norwegian and adjacent waters – a study using the scnDNA marker Pan I, microsatellites and otoliths as genetic markers

Tuula Helka Skarstein, Svein-Erik Fevolden, Eirik Berg, Jon Ivar Westgaard
2004

Genetic differences among populations of Atlantic cod along the Norwegian coast and in the Barents Sea revealed by Pan I and microsatellite loci

Tuula Helka Sarvas, Jon-Ivar Westgaard, Svein Erik Fevolden

Vitenskapelige artikler (NVI)

2018

Genetic management of mixed-stock fisheries "real-time": The case of the largest remaining cod fishery operating in the Atlantic in 2007-2017

Geir Dahle, Torild Johansen, Jon-Ivar Westgaard, Asgeir Aglen, Kevin Glover
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

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

Large and fine scale population structure in European hake (Merluccius merluccius) in the Northeast Atlantic

Jon-Ivar Westgaard, Arved Staby, Jane Aanestad Godiksen, Audrey J. Geffen, Anders Svensson, Gregory Charrier, Henrik Svedäng, Carl André
ICES Journal of Marine Science 74 p. 1300-1310
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

Large and fine scale population structure in European hake (Merluccius merluccius) in the Northeast Atlantic

Jon-Ivar Westgaard, Arved Staby, Jane Aanestad Godiksen, Audrey J Geffen, Anders Svensson, Gregory Charrier, Henrik Svedäng, Carl André
ICES Journal of Marine Science
2017

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

Atal Saha,T 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
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

Extreme male-skewed sex ratios on spaning grounds for Atlantic cod Gadus morhua with typical coastal cod signatures of the Pan I (pantophysin) locus

Svein-Erik Fevolden, Jon-Ivar Westgaard, Torstein Pedersen
Sexuality and Early Development in Aquatic Organisms p. 133-142
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
2013

A diagnostic tool for efficient analysis of the population structure, hybridization and conservation status of European whitefish (Coregonus lavaretus (L.)) and vendace (C-albula (L.))

Kim Præbel, Jon-Ivar Westgaard, Per-Arne Amundsen, Anna Siwertsson, Rune Knudsen, Kimmo K. Kahilainen, Svein-Erik Fevolden
Advances in Limnology 64 p. 247-255
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
2012

Settling-depth vs. genotype and size vs. genotype correlations at the Pan I locus in 0-group Atlantic cod Gadus morhua

Svein-Erik Fevolden, Jon-Ivar Westgaard, Torstein Pedersen, Kim Præbel
Marine Ecology Progress Series 468 p. 267-278
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
2009

A SNP/microsatellite genetic linkage map of the Atlantic cod (Gadus morhua)

Thomas Moen, Madjid Delghandi, Mette Serine Wesmajervi, Kjersti Turid Fjalestad, Jon-Ivar Westgaard
Animal Genetics 40 p. 993-996
2008

Circumpolar genetic population structure of capelin Mallotus villosus

Kim Præbel, Jon-Ivar Westgaard, Svein-Erik Fevolden, Jørgen Schou Christiansen
Marine Ecology Progress Series 360 p. 189-199
2007

Genetic investigation of swimbladder inflation anomalies in the European sea bass, Dicentrarchus labrax L

Stefano Peruzzi, Jon-Ivar Westgaard, B Chatain
Aquaculture 265 p. 102-108
2007

Identification and characterisation of thirteen new microsatellites for Atlantic cod (Gadus morhua L.) from a repeat-enriched library

Jon-Ivar Westgaard, Tekle Tafese, Mette Serine Wesmajervi Breiland, Jørgen Steinvik, Kjersti Fjalestad, Børge Damsgård, Madjid Delghandi
Conservation Genetics 8 p. 749-751
2007

Atlantic cod (Gadus morhua L.) in inner and outer coastal zones of northern Norway display divergent genetic signature at non-neutral loci

Jon-Ivar Westgaard, Svein-Erik Fevolden
Fisheries Research 85 p. 306-315
2007

Comparing microsatellite variation in north-east Atlantic cod (Gadus morhua L.)to genetic structuring as revealed by the pantophysin (Pan I) locus

Tuula Hekla Skarstein, Jon-Ivar Westgaard, Svein-Erik Fevolden
Journal of Fish Biology 70 p. 271-290
2007

Genetic parameters for post-stress cortisol activity and vibriosis resistance in Atlantic cod (Gadus morhua L)

Anne Kettunen, Jon Ivar Westgaard, Stefano Peruzzi, Svein-Erik Fevolden
Aquaculture 272 p. S275-S276
2006

Evaluation of a novel pentaplex microsatellite marker system for paternity studies in Atlantic cod (Gadus morhua L.)

Mette Serine Wesmajervi Breiland, Jon-Ivar Westgaard, Madjid Delghandi
Aquaculture Research 37 p. 1195-1201
2004

Genetic differences between two sympatric morphs of Arctic charr confirmed by microsatellite DNA

Westgaard, Jon-Ivar
Journal of Fish Biology 65 p. 1185-1191
2004

Genetic differences between two sympatric morphs of Arctic charr confirmed by microsatellite DNA

Jon-Ivar Westgaard, Anders Klemetsen, Rune Knudsen
Journal of Fish Biology 65 p. 1185-1191
2003

Simultaneous analysis of six microsatellite markers in Atlantic cod (Gadus morhua): A novel multiplex assay system for use in selective breeding studies

Madjid Delghandi, Atle Mortensen, Jon-Ivar Westgaard
Marine Biotechnology 5 p. 141-148

Annet tidsskriftbidrag

2006

Population structure of Atlantic cod in Norwegian and adjacent waters - a study using the scnDNA marker PAN I, microsatellites and otoliths

Tuula Hekla Skarstein, Svein-Erik Fevolden, E Berg, jon-ivar Westgaard
Journal of Fish Biology 69 p. 261-262

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
2014

Genetic population structure of northern shrimp, Pandalus borealis, in the Northwest Atlantic

Per Erik Jorde, Guldborg Søvik, Jon-Ivar Westgaard, David Orr, Guoqi Han, Don Stansbury, Knut Eirik Jørstad
2011

Identification of the origin of Altevatn trout (Salmo trutta)

Kim Præbel, Jon-Ivar Westgaard, Svein-Erik Fevolden

Faglige foredrag

2006

Activities at the Population Genetic Laboratory at the Norwegian College of Fishery Science

Svein-Erik Fevolden, Jon Ivar Westgaard

Forskningsgrupper

Populasjonsgenetikk

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