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Halvor Knutsen

halvor
Researcher
Telephone: 92409667
Department: Populasjonsgenetikk

Publications

Academic articles

2024

Genetic monitoring uncovers long-distance marine feeding coupled with strong spatial segregation in sea trout (Salmo trutta L.) consistent at annual and decadal time scales

Dorte Bekkevold, Halvor Knutsen, Jakob Hemmer-Hansen, Marte Sodeland, Johan Höjesjö, Katinka Bleeker, Kim Aarestrup, Christian Egander Skov, Einar E Nielsen
ICES Journal of Marine Science 81 p. 1655-1668
2024

Integration of citizen science and eDNA reveals novel ecological insights for marine fish conservation

Lone Kvalheim, Eivind Stensrud, Halvor Knutsen, Olli Petteri Hyvärinen, Alexander Eiler
Environmental DNA 6
2024

Integration of Citizen Science and eDNA Reveals Novel Ecological Insights for Marine Fish Conservation.

Lone Kvalheim, Eivind Stensrud, Olli Petteri Hyvärinen, Halvor Knutsen, Alexander Eiler
Environmental DNA 6
2024

Unlocking the secret life of blue mussels: Exploring connectivity in the Skagerrak through biophysical modeling and population genomics

Malin Gustafsson, Åsa Strand, Ane Timenes Laugen, Jon Albretsen, Carl André, Göran Broström, Per Erik Jorde, Halvor Knutsen, Olga Ortega-Martinez, Marte Sodeland, Malin Waern, Anna-Lisa Wrange, Pierre De Wit
Evolutionary Applications 17
2024

The International Union for Conservation of Nature Red List does not account for intraspecific diversity

Kjell Magnus Norderhaug, Halvor Knutsen, Karen Filbee-Dexter, Marte Sodeland, Per Erik Jorde, Thomas Wernberg, Rebekah Alice Oomen, Even Moland
ICES Journal of Marine Science
2023

Contrasting management regimes indicative of mesopredator release in temperate coastal fish assemblages

Ann-Elin Synnes, Esben Moland Olsen, Per Erik Jorde, Halvor Knutsen, Even Moland
Ecology and Evolution 13
2023

Genetic study reveals local differentiation persisting in the face of high connectivity and a genomic inversion likely linked with sexual antagonism in a common marine fish

Eeva Jansson, Carl André, Maria Quintela, Kim Aleksander Tallaksen Halvorsen, Francois Besnier, Fernando Ayllon, Ellika Faust, Halvor Knutsen, Åsa Strand, Kevin Alan Glover
ICES Journal of Marine Science 80 p. 1103-1112
2023

Population structure and connectivity in the genus Molva in the Northeast Atlantic

L. McGill, A.D. McDevitt, B. Hellemans, F. Neat, Halvor Knutsen, S. Mariani, Henrik Christiansen, Torild Johansen, F.A.M. Volckaert, I. Coscia
ICES Journal of Marine Science 80 p. 1079-1086
2023

Genetic study reveals local differentiation persisting in the face of high connectivity and a genomic inversion likely linked with sexual antagonism in a common marine fish

Eeva Jansson, Carl André, María Quintela, Kim Aleksander Tallaksen Halvorsen, Francois Besnier, Fernando Ayllon, Ellika Faust, Halvor Knutsen, Åsa Strand, Kevin Alan Glover
ICES Journal of Marine Science 80 p. 1103-1112
2023

Evidence of hybridization between genetically distinct Baltic cod stocks during peak population abundance(s)

Cecilia Helmerson, Peggy Weist, Marine Servane Ono Brieuc, Marius Filomeno Maurstad, Franziska Maria Schade, Jan Dierking, Christoph Petereit, Halvor Knutsen, Julian Metcalfe, David Righton, Carl André, Uwe Krumme, Sissel Jentoft, Reinhold Hanel
Evolutionary Applications 16 p. 1359-1376
2022

Stabilizing selection on Atlantic cod supergenes through a millennium of extensive exploitation

Marte Sodeland, Sissel Jentoft, Per Erik Jorde, Morten Mattingsdal, Jon Albretsen, Alf Ring Kleiven, Ann-Elin Synnes, Sigurd Heiberg Espeland, Esben Moland Olsen, Carl André, Nils Christian Stenseth, Halvor Knutsen
Proceedings of the National Academy of Sciences of the United States of America 119
2022

Lobster reserves as a management tool in coastal waters: Two decades of experience in Norway

Jan Atle Knutsen, Alf Ring Kleiven, Esben Moland Olsen, Halvor Knutsen, Sigurd Heiberg Espeland, Tonje Knutsen Sørdalen, Susanna Huneide Thorbjørnsen, Jeffrey Hutchings, Albert Fernandez Chacon, Mats Brockstedt Olsen Huserbråten, David Villegas-Ríos, Kim Aleksander Tallaksen Halvorsen, Portia Joy Nillos Kleiven, Thomas Kiland Langeland, Even Moland
Marine Policy 136
2022

Combining population genomics with demographic analyses highlights habitat patchiness and larval dispersal as determinants of connectivity in coastal fish species

Halvor Knutsen, Diana Sofia de Oliveira Catarino, Lauren Rogers, Marte Sodeland, Morten Mattingsdal, Marlene Jahnke, Jeffrey Hutchings, Ida Kristin Mellerud, Sigurd Heiberg Espeland, Kerstin Johanneson, Olivia Roth, Michael Møller Hansen, Sissel Jentoft, Carl Andre, Per Erik Jorde
Molecular Ecology 31 p. 2562-2577
2022

Geographic variation in gene flow from a genetically distinct migratory ecotype drives population genetic structure of coastal Atlantic cod (Gadus morhua L.)

Bjørghild Breistein Seliussen, Geir Dahle, Torild Johansen, Francois Besnier, Maria Quintela, Per Erik Jorde, Halvor Knutsen, Jon-Ivar Westgaard, Kjell Harald Nedreaas, Eva Farestveit, Kevin Alan Glover
Evolutionary Applications 15 p. 1162-1176
2022

Warming Accelerates the Onset of the Molecular Stress Response and Increases Mortality of Larval Atlantic Cod

Rebekah Alice Oomen, Halvor Knutsen, Esben Moland Olsen, Sissel Jentoft, Nils Christian Stenseth, Jeffrey Hutchings
Integrative and Comparative Biology 62 p. 1784-1801
2022

Mixed origin of juvenile Atlantic cod (Gadus morhua) along the Swedish west coast

Simon Henriksson, Ricardo Pereyra, Marte Sodeland, Olga Ortega-Martinez, Halvor Knutsen, Håkan Wennhage, Carl Andre
ICES Journal of Marine Science
2021

Highly mixed impacts of near-future climate change on stock productivity proxies in the North East Atlantic

Olav Sigurd Kjesbu, Svein Sundby, Anne Britt Sandø, Maud Alix, Solfrid Sætre Hjøllo, Maik Tiedemann, Mette Skern-Mauritzen, Claudia Junge, Maria Fossheim, Cecilie Broms, Guldborg Søvik, Fabian Zimmermann, Kjell Harald Nedreaas, Elena Eriksen, Hannes Höffle, Ann Merete Hjelset, Cecilie Kvamme, Yves Reecht, Halvor Knutsen, Asgeir Aglen, Ole Thomas Albert, Erik Berg, Bjarte Bogstad, Caroline Durif, Kim Aleksander Tallaksen Halvorsen, Åge Sigurd Høines, Carsten Hvingel, Edda Johannesen, Espen Johnsen, Even Moland, Mari Skuggedal Myksvoll, Leif Nøttestad, Erik Joel Steinar Olsen, Georg Skaret, Jon Egil Skjæraasen, Aril Slotte, Arved Staby, Erling Kåre Stenevik, Jan Erik Stiansen, Martina H. Stiasny, Jan Henry Sundet, Frode Bendiksen Vikebø, Geir Huse
Fish and Fisheries 23 p. 601-615
2021

Restoration of Abundance and Dynamics of Coastal Fish and Lobster Within Northern Marine Protected Areas Across Two Decades

Even Moland, Albert Fernández-Chacón, Tonje Knutsen Sørdalen, David Villegas-Rios, Susanna Huneide Thorbjørnsen, Kim Aleksander Tallaksen Halvorsen, Mats Brockstedt Olsen Huserbråten, Esben Moland Olsen, Portia Joy Nillos Kleiven, Alf Ring Kleiven, Halvor Knutsen, Sigurd Heiberg Espeland, Carla Freitas, Jan Atle Knutsen
Frontiers in Marine Science
2021

Local recruitment of Atlantic cod and putative source spawning areas in a coastal seascape

Ann-Elin Synnes, Mats Brockstedt Olsen Huserbråten, Halvor Knutsen, Per Erik Jorde, Marte Sodeland, Even Moland
ICES Journal of Marine Science 78 p. 3767-3779
2021

Disparate movement behavior and feeding ecology in sympatric ecotypes of Atlantic cod

Martin Lykke Kristensen, Esben Moland Olsen, Even Moland, Halvor Knutsen, Peter Grønkjær, Anders Koed, Kristi Källo, Kim Aarestrup
Ecology and Evolution 11 p. 11477-11490
2021

Demographic responses to protection from harvesting in a long-lived marine species

Albert Fernández-Chacón, Lucie Buttay, Even Moland, Halvor Knutsen, Esben Moland Olsen
Biological Conservation 257 p. 1-10
2021

Selection on fish personality differs between a no-take marine reserve and fished areas

Susanna Huneide Thorbjørnsen, Even Moland, David Villegas-Ríos, Katinka Bleeker, Halvor Knutsen, Esben Moland Olsen
Evolutionary Applications 14 p. 1807-1815
2021

Not that clean: Aquaculture-mediated translocation of cleaner fish has led to hybridization on the northern edge of the species' range

Ellika Faust, Eeva Jansson, Carl André, Kim Aleksander Tallaksen Halvorsen, Geir Dahle, Halvor Knutsen, Maria Quintela Sanchez, Kevin Alan Glover
Evolutionary Applications 14 p. 1572-1587
2021

Genetic structuring in Atlantic haddock contrasts with current management regimes

Paul R. Berg, Per E. Jorde, Kevin A. Glover, Geir Dahle, John B. Taggart, Knut Korsbrekke, Gjert E. Dingsør, Jon E. Skjæraasen, Peter J. Wright, Steven X. Cadrin, Halvor Knutsen, Jon-Ivar Westgaard
ICES Journal of Marine Science 78 p. 1-13
2020

First measurements of field metabolic rate in wild juvenile fishes show strong thermal sensitivity but variations between sympatric ecotypes

Ming-Tsung Chung, Kris-Emil Mose Jørgensen, Clive N. Trueman, Halvor Knutsen, Per Erik Jorde, Peter Grønkjær
Oikos 130 p. 287-299
2020

Settlement processes induce differences in daily growth rates between two co-existing ecotypes of juvenile cod Gadus morhua

Kris-Emil M. Jørgensen, Anna B. Neuheimer, Per Erik Jorde, Halvor Knutsen, Peter Grønkjær
Marine Ecology Progress Series 650 p. 175-189
2020

“A cleaner break”: Genetic divergence between geographic groups and sympatric phenotypes revealed in ballan wrasse (Labrus bergylta)

Gaute Seljestad, Maria Quintela Sanchez, Ellika Faust, Kim Aleksander Tallaksen Halvorsen, Francois Besnier, Eeva Jansson, Geir Dahle, Halvor Knutsen, Carl André, Arild Folkvord, Kevin Glover
Ecology and Evolution 10 p. 6120-6135
2019

Demographic history has shaped the strongly differentiated corkwing wrasse populations in Northern Europe

Morten Mattingsdal, Per Erik Jorde, Halvor Knutsen, Sissel Jentoft, Nils Christian Stenseth, Marte Sodeland, Joana I. Robalo, Michael Møller Hansen, Carl André, Enrique Blanco Gonzalez
Molecular Ecology
2019

Demographic history has shaped the strongly differentiated corkwing wrasse populations in Northern Europe

Morten Mattingsdal, Per Erik Jorde, Halvor Knutsen, Sissel Jentoft, Nils Christian Stenseth, Marte Sodeland, Joana I. Robalo, Michael M. Hansen, Carl André, Enrique Blanco Gonzalez
Molecular Ecology p. 1-12
2019

Response to comments by Cardinale et al. on “Local cod (Gadus morhua) revealed by egg surveys and population genetic analysis after longstanding depletion on the Swedish Skagerrak coast” by Svedäng et al. (2019)

Carl André, Julia Maria Isis Barth, Patrik Jonsson, Sissel Jentoft, Halvor Knutsen, Henrik Svedäng
ICES Journal of Marine Science 76 p. 1212-1213
2019

Possible adverse impact of contaminants on Atlantic cod population dynamics in coastal ecosystems

Kotaro Ono, Halvor Knutsen, Esben M Olsen, Anders Ruus, Dag Ø Hjermann, Nils Chr Stenseth
Proceedings of the Royal Society of London. Biological Sciences 286 p. 1-9
2019

Potential of a no‐take marine reserve to protect home ranges of anadromous brown trout (Salmo trutta)

Susanna Huneide Thorbjørnsen, Even Moland, Colin A. Simpfendorfer, Michelle R. Heupel, Halvor Knutsen, Esben Moland Olsen
Ecology and Evolution 9 p. 417-426
2019

Disentangling structural genomic and behavioral barriers in a sea of connectivity

Julia Maria Isis Barth, David Villegas-Ríos, Carla Freitas, Even Moland, Bastiaan Star, Carl André, Halvor Knutsen, Ian Bradbury, Jan Dierking, Christoph Petereit, David Righton, Julian Metcalfe, Kjetill Sigurd Jakobsen, Esben Moland Olsen, Sissel Jentoft
Molecular Ecology 28 p. 1394-1411
2019

Local cod (Gadus morhua) revealed by egg surveys and population genetic analysis after longstanding depletion on the Swedish Skagerrak coast

Hendrik Svedang, Julia Maria Isis Barth, Anders Svenson, Patrik Jonsson, Sissel Jentoft, Halvor Knutsen, Carl Andre
ICES Journal of Marine Science 76 p. 418-429
2018

Harvesting changes mating behaviour in European lobster

Tonje Knutsen Sørdalen, Kim Aleksander Tallaksen Halvorsen, Esben Moland Olsen, Charlie D. Ellis, Hugo B. Harrison, Even Moland, Halvor Knutsen, Leif Asbjørn Vøllestad
Evolutionary Applications
2018

Stable coexistence of genetically divergent Atlantic cod ecotypes at multiple spatial scales

Halvor Knutsen, Per Erik Jorde, Jeffrey Hutchings, Jakob Hemmer-Hansen, Peter Grønkjær, Kris-Emil Mose Jørgensen, Carl André, Marte Sodeland, Jon Albretsen, Esben Moland Olsen
Evolutionary Applications 11 p. 1527-1539
2018

Fine-Scale Population Differences in Atlantic Cod Reproductive Success: A Potential Mechanism for Ecological Speciation in a Marine Fish

Nancy Roney, Rebekah Alice Oomen, Halvor Knutsen, Esben Moland Olsen, Jeffrey Hutchings
Ecology and Evolution p. 1-11
2018

Can we rely on selected genetic markers for population identification? Evidence from coastal Atlantic cod

Per Erik Jorde, Ann-Elin Synnes, Sigurd Heiberg Espeland, Marte Sodeland, Halvor Knutsen
Ecology and Evolution 8 p. 12547-12558
2018

Who is fishing on what stock: Population-of-origin of individual cod (Gadus morhua) in commercial and recreational fisheries

Per Erik Jorde, Alf Ring Kleiven, Marte Sodeland, Esben Moland Olsen, Keno Ferter, Sissel Jentoft, Halvor Knutsen
ICES Journal of Marine Science 75 p. 2153-2162
2018

Harvesting changes mating behaviour in European lobster

Tonje Knutsen Sørdalen, Kim Aleksander Tallaksen Halvorsen, Hugo B. Harrison, Charlie D. Ellis, Leif Asbjørn Vøllestad, Halvor Knutsen, Even Moland, Esben Moland Olsen
Evolutionary Applications 11 p. 963-977
2018

Cleaner fish escape salmon farms and hybridize with local wrasse populations

Ellika Faust, Kim Aleksander Tallaksen Halvorsen, Per Andersen, Halvor Knutsen, Carl André
Royal Society Open Science 5 p. 1-12
2018

Genetic homogeneity in the deep-sea grenadier Macrourus berglax across the North Atlantic Ocean

Ilaria Coscia, Rita Castilho, Alexia Massa-Gallucci, Carlotta Sacchi, Regina L. Cunha, Sergio Stefanni, Sarah J. Helyar, Halvor Knutsen, Stefano Mariani
Deep Sea Research Part I: Oceanographic Research Papers 132 p. 60-67
2018

Inferring genetic connectivity in real populations, exemplified by coastal and oceanic Atlantic cod

Ingrid Spies, Lorenz Hauser, Per Erik Jorde, Halvor Knutsen, André E. Punt, Lauren Rogers, Nils Christian Stenseth
Proceedings of the National Academy of Sciences of the United States of America 115 p. 4945-4950
2018

Replicated marine protected areas (MPAs) support movement of larger, but not more, European lobsters to neighbouring fished areas

Susanna Huneide Thorbjørnsen, Even Moland, Mats Brockstedt Olsen Huserbråten, Jan Atle Knutsen, Halvor Knutsen, Esben Moland Olsen
Marine Ecology Progress Series 595 p. 123-133
2018

BioTIME: A database of biodiversity time series for the Anthropocene

Maria Dornelas, Laura H. Antão, Faye Moyes, Amanda E. Bates, Anne E. Magurran, Dusan Adam, Asem A. Akhmetzhanova, Ward Appeltans, José Manuel Arcos, Haley Arnold, Narayanan Ayyappan, Gal Badihi, Andres H. Baird, Miguel Barbosa, Tiago Egydio Barreto, Claus Bässler, Alecia Bellgrove, Jonathan Belmaker, Lisandro Benedetti-Cecchi, Brian J. Bett, Anne D. Bjorkman, Magdalena Błażewicz, Shane A. Blowes, Christopher P. Bloch, Timothy C. Bonebrake, Susan Boyd, Matt Bradford, Andrew J. Brooks, James H. Brown, Helge Bruelheide, Phaedra Budy, Fernando Carvalho, Edward Castaneda-Moya, Chaolun Allen Chen, John F. Chamblee, Tory J. Chase, Laura Siegwart Collier, Sharon K. Collinge, Richard Condit, Elisabeth J. Cooper, J. Hans C. Cornelissen, Unai Cotano, Shannan Kyle Crow, Gabriella Damasceno, Claire H. Davies, Robert A. Davis, Frank P. Day, Steven Degraer, Tim S. Doherty, Timothy E. Dunn, Giselda Durigan, J. Emmett Duffy, Dor Edelist, Graham J. Edgar, Robin Elahi, Sarah C. Elmendorf, Anders Enemar, S.K. Morgan Ernest, Ruben Escribano, Marc Estiarte, Brian S. Evans, Tung-Yung Fan, Fabiano Turini Farah, Luiz Loureiro Fernandes, Fábio Z. Farneda, Alessandra Fidelis, Robert Fitt, Anna Maria Fosaa, Geraldo Antonio Daher Correa Franco, Grace E. Frank, William R. Fraser, Hernando García, Roberto Cazzolla Gatti, Or Givan, Elizabeth Gorgone-Barbosa, William A. Gould, Corinna Gries, Gary D. Grossman, Julio R. Gutierréz, Stephen Hale, Mark E. Harmon, John Harte, Gary Haskins, Donald L. Henshaw, Luise Hermanutz, Pamela Hidalgo, Pedro Higuchi, Andrew Hoey, Gert Van Hoey, Annika Hofgaard, Kristen Holeck, Robert D. Hollister, Richard Holmes, Mia Hoogenboom, Chih-hao Hsieh, Stephen P. Hubbell, Falk Huettmann, Christine L. Huffard, Allen H. Hurlbert, Natália Macedo Ivanauskas, David Janík, Ute Jandt, Anna Jażdżewska, Tore Johannessen, Jill Johnstone, Julia Jones, Faith A.M. Jones, Jungwon Kang, Tasrif Kartawijaya, Erin C. Keeley, Douglas A. Kelt, Rebecca Kinnear, Kari Klanderud, Halvor Knutsen, Christopher C. Koenig, Alessandra R. Kortz, Kamil Kral, Linda A. Kuhnz, Chao-Yang Kuo, David J. Kushner, Claire Laguionie-Marchais, Lesley T. Lancaster, Cheol Min Lee, Jonathan S. Lefcheck, Esther Lévesque, David Lightfoot, Francisco Lloret, John D. Lloyd, Adrià López-Baucells, Maite Louzao, Joshua S. Madin, Borgþór Magnússon, Shahar Malamud, Iain Matthews, Kent P. McFarland, Brian McGill, Diane McKnight, William O. McLarney, Jason Meador, Peter L. Meserve, Daniel J. Metcalfe, Christoph F.J. Meyer, Anders Michelsen, Nataliya Milchakova, Tom Moens, Even Moland, Jon Moore, Carolina Mathias Moreira, Jörg Müller, Grace Murphy, Isla H. Myers-Smith, Randall W. Myster, Andrew Naumov, Francis Neat, James A. Nelson, Michael Paul Nelson, Stephen F. Newton, Natalia Norden, Jeffrey C. Oliver, Esben Moland Olsen, Vladimir G. Onipchenko, Krzysztof Pabis, Robert J. Pabst, Alain Paquette, Sinta Pardede, David M. Paterson, Raphaël Pélissier, Josep Peñuelas, Alejandro Pérez-Matus, Oscar Pizarro, Francesco Pomati, Eric Post, Herbert H.T. Prins, John C. Priscu, Pieter Provoost, Kathleen L. Prudic, Erkki Pulliainen, Bramasamdura Rangana Ramesh, Olivia Mendivil Ramos, Andrew Rassweiler, Jose Eduardo Rebelo, Daniel C. Reed, Peter B. Reich, Suzanne M. Remillard, Anthony J. Richardson, J. Paul Richardson, Itai van Rijn, Ricardo Rocha, Victor H. Rivera-Monroy, Christian Rixen, Kevin P. Robinson, Ricardo Ribeiro Rodrigues, Denise de Cerqueira Rossa-Feres, Lars Rudstam, Henry Ruhl, Catalina S. Ruz, Erica M. Sampaio, Nancy Rybicki, Andrew Rypel, Sofia Sal, Beatriz Salgado, Flavio A.M. Santos, Ana Paula Savassi-Coutinho, Sara Scanga, Jochen Schmidt, Robert Schooley, Fakhrizal Setiawan, Kwang-Tsao Shao, Gaius R. Shaver, Sally Sherman, Thomas W. Sherry, Jacek Siciński, Caya Sievers, Ana Carolina da Silva, Fernando Rodrigues da Silva, Fabio L. Silveira, Jasper Slingsby, Tracey Smart, Sara J. Snell, Nadejda A Soudzilovskaia, Gabriel B.G. Souza, Flaviana Maluf Souza, Vinicius Castro Souza, Christopher D. Stallings, Rowan Stanforth, Emily H. Stanley, José Mauro Sterza, Maarten Stevens, Rick Stuart-Smith, Yzel Rondon Suarez, Sarah Supp, Jorge Yoshio Tamashiro, Sukmaraharja Tarigan, Gary P. Thiede, Simon Thorn, Anne Tolvanen, Maria Teresa Zugliani Toniato, Ørjan Totland, Robert R. Twilley, Gediminas Vaitkus, Nelson Valdivia, Martha Isabel Vallejo, Thomas J. Valone, Carl Van Colen, Jan Vanaverbeke, Fabio Venturoli, Hans M. Verheye, Marcelo Vianna, Rui P. Vieira, Tomáš Vrška, Con Quang Vu, Lien Van Vu, Robert B. Waide, Conor Waldock, Dave Watts, Sara Webb, Tomasz Wesołowski, Ethan P White, Claire E. Widdicombe, Dustin Wilgers, Richard Williams, Stefan B. Williams, Mark Williamson, Michael R. Willig, Trevor J. Willis, Sonja Wipf, Kerry D. Woods, Eric J. Woehler, Kyle Zawada, Michael L. Zettler
Global Ecology and Biogeography 27 p. 760-786
2018

A continuous genome assembly of the corkwing wrasse (Symphodus melops)

Morten Mattingsdal, Sissel Jentoft, Ole K. Tørresen, Halvor Knutsen, Michael Möller Hansen, Joana I. Robalo, Zuzanna Zagrodzka, Carl Andre, Enrique Blanco Gonzalez
Genomics 110 p. 399-403
2018

Temporal variability in offspring quality and individual reproductive output in a broadcast-spawning marine fish

Nancy Roney, Rebekah Alice Oomen, Halvor Knutsen, Esben Moland Olsen, Jeffrey Hutchings
ICES Journal of Marine Science 75 p. 1353-1361
2018

Norwegian fjords contain sub-populations of roundnose grenadier Coryphaenoides rupestris, a deep-water fish

Aurelien Nicolas Delaval, Geir Dahle, Halvor Knutsen, Jennifer Ann Devine, Anne Gro Vea Salvanes
Marine Ecology Progress Series 586 p. 181-192
2017

Genetic analysis of goldsinny wrasse reveals evolutionary insights into population connectivity and potentialevidence of inadverent translocationvia aquaculture.

Eeva Jansson, Maria Quintela Sanchez, Geir Dahle, Jon Albretsen, Halvor Knutsen, Carl André, Åsa Strand, Stein Mortensen, John B. Taggart, Egil Karlsbakk, Bjørn Olav Kvamme, Kevin Glover
ICES Journal of Marine Science 74 p. 2135-2147
2017

Genome architecture enables local adaptation of Atlantic cod despite high connectivity

Julia Maria Isis Barth, Paul Ragnar Berg, Per R Jonsson, Sara Bonanomi, Hanna Corell, Jakob Hemmer-Hansen, Kjetill Sigurd Jakobsen, Kerstin Johannesson, Per Erik Jorde, Halvor Knutsen, Per-Olav Moksnes, Bastiaan Star, Nils Christian Stenseth, Henrik Svedang, Sissel Jentoft, Carl Andre
Molecular Ecology 26 p. 4452-4466
2017

Ancient DNA reveals the Arctic origin of Viking Age cod from Haithabu, Germany

Bastiaan Star, Sanne Boessenkool, Agata Teresa Gondek, Elena A. Nikulina, Anne Karin Hufthammer, Christophe Pampoulie, Halvor Knutsen, Carl André, Heidi Maria Nistelberger, Jan Dierking, Christoph Petereit, Dirk Heinrich, Kjetill Sigurd Jakobsen, Nils Christian Stenseth, Sissel Jentoft, James H. Barrett
Proceedings of the National Academy of Sciences of the United States of America 114 p. 9152-9157
2017

Ancient DNA reveals the Arctic origin of Viking Age cod from Haithabu, Germany

Bastiaan Star, Sanne Boessenkool, Agata T. Gondek, Elena A. Nikulina, Anne Karin Hufthammer, Christophe Pampoulie, Halvor Knutsen, Carl Andre, Heidi M. Nistelberger, Jan Dierking, Christoph Petereit, Dirk Heirich, Kjetill S. Jakobsen, Nils Chr. Stenseth, Sissel Jentoft, James H. Barrett
Proceedings of the National Academy of Sciences of the United States of America
2017

The role of the Strait of Gibraltar in shaping the genetic structure of the Mediterranean Grenadier, Coryphaenoides mediterraneus, between the Atlantic and Mediterranean Sea

Diana Catarino, Sergio Stefanni, Per Erik Jorde, Gui Menezes, Joan B. Company, Francis Neat, Halvor Knutsen
PLOS ONE 12 p. 1-24
2017

Fine-scale population dynamics in a marine fish species inferred from dynamic state-space models

Lauren Rogers, Geir Olve Storvik, Halvor Knutsen, Esben Moland Olsen, Nils Christian Stenseth
Journal of Animal Ecology 86 p. 888-898
2017

Impact of harvesting cleaner fish for salmonid aquaculture assessed from replicated coastal marine protected areas

Kim Aleksander Tallaksen Halvorsen, Torkel Larsen, Tonje Knutsen Sørdalen, Leif Asbjørn Vøllestad, Halvor Knutsen, Esben Moland Olsen
Marine Biology Research 13 p. 359-369
2017

Recruitment signals in juvenile cod surveys depend on thermal growth conditions

Benjamin J. Laurel, David Cote, Robert S. Gregory, Lauren Rogers, Halvor Knutsen, Esben Moland Olsen
Canadian Journal of Fisheries and Aquatic Sciences 74 p. 511-523
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

Three chromosomal rearrangements promote genomic divergence between migratory and stationary ecotypes of Atlantic cod

Paul Ragnar Berg, Bastiaan Star, Christophe Pampoulie, Marte Sodeland, Julia Maria Isis Barth, Halvor Knutsen, Kjetill Sigurd Jakobsen, Sissel Jentoft
Scientific Reports 6 p. 1-12
2016

"Islands of divergence" in the Atlantic cod genome represent polymorphic chromosomal rearrangements

Marte Sodeland, Per Erik Jorde, Sigbjørn Lien, Sissel Jentoft, Paul Ragnar Berg, Harald Grove, Matthew Peter Kent, Mariann Arnyasi, Esben Moland Olsen, Halvor Knutsen
Genome Biology and Evolution (GBE) 8 p. 1012-1022
2016

Population structure in Atlantic cod in the eastern North Sea-Skagerrak-Kattegat: early life stage dispersal and adult migration

Carl André, Hendrik Svedang, Halvor Knutsen, Geir Dahle, Patrik Jonsson, Anna-Karin Ring, Mattias Sköld, Per Erik Jorde
BMC Research Notes 9
2016

Harvest pressure on coastal atlantic cod (Gadus morhua) from recreational fishing relative to commercial fishing assessed from tag-recovery data

Alf Ring Kleiven, Albert Fernandez Chacon, Jan-Harald Nordahl, Even Moland, Sigurd Heiberg Espeland, Halvor Knutsen, Esben Moland Olsen
PLOS ONE 11
2016

Male biased sexual size dimorphism in the nest building corkwing wrasse (Symphodus melops): implications for a size regulated fishery

Kim Aleksander Tallaksen Halvorsen, Tonje Knutsen Sørdalen, Caroline Durif, Halvor Knutsen, Esben Moland Olsen, Anne Berit Skiftesvik, Torborg Emmerhoff Rustand, Reidun Marie Bjelland, Leif Asbjørn Vøllestad
ICES Journal of Marine Science 73 p. 2586-2594
2016

Habitat discontinuities separate genetically divergent populations of a rocky shore marine fish

Enrique Blanco Gonzalez, Halvor Knutsen, Per Erik Jorde
PLOS ONE 11
2016

Is the ballan wrasse (Labrus bergylta) two species? Genetic analysis reveals within-species divergence associated with plain and spotted morphotype frequencies

Maria Quintela Sanchez, Elin A. Danielsen, Lùa Lòpez, Rodolfo Barreiro, Terje Svåsand, Halvor Knutsen, Anne Berit Skiftesvik, Kevin Glover
Integrative Zoology 11 p. 162-172
2016

Fine-scale life-history structure in a highly mobile marine fish

Nancy E. Roney, Jeffrey Hutchings, Esben Moland Olsen, Halvor Knutsen, Jon Albretsen, Anna Kuparinen
Evolutionary Ecology Research 17 p. 95-109
2016

Temperature-associated habitat selection in a cold-water marine fish

Carla Freitas, Esben Moland Olsen, Halvor Knutsen, Jon Albretsen, Even Moland
Journal of Animal Ecology 85 p. 628-637
2016

Eight decades of sampling reveal a contemporary novel fish assemblage in coastal nursery habitats

Caren Barceló, Lorenzo Ciannelli, Esben Moland Olsen, Tore Johannessen, Halvor Knutsen
Global Change Biology 22 p. 1155-1167
2015

Notes on Hardy's uncertainty principle for the Wigner distribution and Schrödinger evolutions

Charlie Ellis, DJ Hodgson, Carl Andre, Tonje Knutsen Sørdalen, Halvor Knutsen, Amber Griffiths
PLOS ONE 525
2015

Does population genetic structure support present management regulations of the northern shrimp (Pandalus borealis)in Skagerrak and the North Sea?

Halvor Knutsen, Per Erik Jorde, Enrique Blanco Gonzalez, Ole Ritzau Eigaard, Ricardo T. Pereyra, Hanne Sannæs, Mikael Dahl, Carl André, Guldborg Søvik
ICES Journal of Marine Science 72 p. 863-871
2015

Genotype Reconstruction of Paternity in European Lobsters (Homarus gammarus)

Charlie Ellis, DJ Hodgson, Carl Andre, Tonje Knutsen Sørdalen, Halvor Knutsen, Amber Griffiths
PLOS ONE 10:e0139585
2015

The Pillars of Hercules as a bathymetric barrier to gene flow promoting isolation in a global deep-sea shark (Centroscymnus coelolepis)

Diana Catarino, Halvor Knutsen, Ana Verissimo, Esben Moland Olsen, Per Erik Jorde, Gui Menezes, Hanne Sannæs, David Stanković, Joan Baptista Company, Francis Neat, Roberto Danovaro, Antonio Dell'Anno, Bastien Rochowski, Sergio Stefanni
Molecular Ecology 24 p. 6061-6079
2015

Behavioral responses of Atlantic cod to sea temperature changes

Carla Freitas, Esben Moland Olsen, Even Moland, Lorenzo Ciannelli, Halvor Knutsen
Ecology and Evolution 5 p. 2070-2083
2015

Adaptation to low salinity promotes genomic divergence in Atlantic Cod (Gadus morhua L.)

Paul Ragnar Berg, Sissel Jentoft, Bastiaan Star, Kristoffer Hofaker Ring, Halvor Knutsen, Sigbjørn Lien, Kjetill Sigurd Jakobsen, Carl Andre
Genome Biology and Evolution (GBE) 7 p. 1644-1663
2015

Effects of large-scale releases on the genetic structure of red sea bream (Pagrus major, Temminck et Schlegel) populations in Japan

Enrique Blanco Gonzalez, Masato Aritaki, Halvor Knutsen, Nobuhiko Taniguchi
PLOS ONE 10 p. 1-20
2014

Does population genetic structure support present management regulations of the northern shrimp (Pandalus borealis) in Skagerrak and the North Sea?

Halvor Knutsen, Per Erik Jorde, Enrique Blanco, Eigaard Ole, Ricardo T. Pereyra, Hanne Sannæs, Mikael Dahl, Carl Andre, Guldborg Søvik
ICES Journal of Marine Science 72 p. 863-871
2014

Ocean-scale connectivity and life cycle reconstruction in a deep-sea fish

Craig Longmore, Clive N. Trueman, Francis Neat, Per Erik Jorde, Halvor Knutsen, Sergio Stefanni, Diana Catarino, James A. Milton, Stefano Mariani
Canadian Journal of Fisheries and Aquatic Sciences 71 p. 1312-1323
2014

Genetic analyses of ling (Molva molva) in the Northeast Atlantic reveal patterns relevant to stock assessments and management advice

Enrique Blanco Gonzalez, Halvor Knutsen, Per Erik Jorde, Kevin Glover, Odd Aksel Bergstad
ICES Journal of Marine Science 72 p. 635-641
2014

Habitat effects on population connectivity in a coastal seascape

Lauren Rogers, Esben Moland Olsen, Halvor Knutsen, Nils Christian Stenseth
Marine Ecology Progress Series 511 p. 153-163
2013

Conservation, Spillover and Gene Flow within a Network of Northern European Marine Protected Areas

Mats Brockstedt Olsen Huserbråten, Even Moland, Halvor Knutsen, Esben Moland Olsen, Carl André, Nils Christian Stenseth
PLOS ONE 8
2013

Climate Change and Genetic Structure of Leading Edge and Rear End Populations in a Northwards Shifting Marine Fish Species, the Corkwing Wrasse (Symphodus melops)

Halvor Knutsen, Per Erik Jorde, Enrique Blanco Gonzalez, Joana I. Robalo, Jon Albretsen, Vitor C. Almada
PLOS ONE 8
2013

Lobster and cod benefit from small-scale northern marine protected areas: inference from an empirical before - after control-impact study

Even Moland, Esben Moland Olsen, Halvor Knutsen, Pauline Garrigou, Sigurd Heiberg Espeland, Alf Ring Kleiven, Carl Andre, Jan Atle Knutsen
Proceedings of the Royal Society of London. Biological Sciences 280
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

Northern refugia and recent expansion in the North Sea: the case of the wrasse Symphodus melops (Linnaeus, 1758)

Joana I. Robalo, Rita Castilho, Sara M. Francisco, Frederico Almada, Halvor Knutsen, Per Erik Jorde, Ana M. Pereira, Vitor C. Almada
Ecology and Evolution 2 p. 153-164
2012

Population genetic structure in a deepwater fish Coryphaenoides rupestris: patterns and processes

Halvor Knutsen, Per Erik Jorde, Odd Aksel Bergstad, Morten D. Skogen
Marine Ecology Progress Series 460 p. 233-246
2011

Activity patterns of wild European lobster Homarus gammarus in coastal marine reserves: implications for future reserve design

Even Moland, Esben Moland Olsen, Halvor Knutsen, Jan Atle Knutsen, Svein Erik Enersen, Carl André, Nils Christian Stenseth
Marine Ecology Progress Series 429 p. 197-207
2011

Are low but statistically significant levels of genetic differentiation in marine fishes 'biologically meaningful'? A case study of coastal Atlantic cod

Halvor Knutsen, Esben Moland Olsen, Per Erik Jorde, Sigurd Heiberg Espeland, C. André, Nils Christian Stenseth
Molecular Ecology 20 p. 768-783
2011

Climate and population density drive changes in cod body size throughout a century on the Norwegian coast

Lauren Rogers, Leif Christian Stige, Esben Moland Olsen, Halvor Knutsen, Kung-Sik Chan, Nils Christian Stenseth
Proceedings of the National Academy of Sciences of the United States of America 108 p. 1961-1966
2010

Mapping Biological Resources in the Coastal Zone: An Evaluation of Methods in a Pioneering Study from Norway

Jan Atle Knutsen, Halvor Knutsen, Eli Rinde, Hartvig C Christie, Torjan Bodvin, Einar Dahl
Ambio 39 p. 148-158
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

Development of twelve novel microsatellite loci in the European lobster (Homarus gammarus)

Carl André, Halvor Knutsen
Conservation Genetics Resources 2 p. 233-236
2010

Small-scale genetic structure in a marine population in relation to water circulation and egg characteristics

Lorenzo Ciannelli, Halvor Knutsen, Esben Moland Olsen, Sigurd Heiberg Espeland, Lars Asplin, Anders Jelmert, Jan Atle Knutsen, Nils Christian Stenseth
Ecology 91 p. 2918-2930
2010

Diel vertical migration patterns in juvenile cod from the Skagerrak coast

Sigurd Heiberg Espeland, Adine Guldborg Thoresen, Esben Moland Olsen, Leif Christian Stige, Halvor Knutsen, Jakob Gjøsæter, Nils Christian Stenseth
Marine Ecology Progress Series 405 p. 29-37
2009

Development of 10 microsatellite loci in the ling (Molva molva)

Anna-Karin Ring, Halvor Knutsen, David Fiani, AR Hoelzel, Carl Andre
Molecular Ecology Resources 9 p. 1401-1403
2009

Rapid polymerase chain reaction-restriction fragment length polymorphism method for discrimination of the two Atlantic cryptic deep-sea species of scabbardfish

Sergio Stefanni, Raul Bettencourt, Halvor Knutsen, Gui Menezes
Molecular Ecology Resources 9 p. 528-530
2009

Development of twelve microsatellite loci in the corkwing wrasse (Symphodus melops)

Halvor Knutsen, Hanne Sannæs
Conservation Genetics Resources 1 p. 433-436
2009

Development of eleven microsatellite loci in the deep sea black scabbardfish (Aphanopus carbo)

Halvor Knutsen, Diana Catarino, Hanne Sannæs, Sergio Stefanni
Conservation Genetics Resources 1 p. 89-92
2009

Isolation and characterisation of 11 microsatellite loci in the abyssal carapine grenadier Coryphaenoides carapinus (Actinoperygii, Macrouridae) and cross-amplification in two other deep-sea macrourid species

M Schneider, H Sannaes, Per Erik Jorde, Halvor Knutsen
Conservation Genetics 10 p. 1869-1871
2009

Bathymetric barriers promoting genetic structure in the deepwater demersal fish tusk (Brosme brosme)

Halvor Knutsen, Per Erik Jorde, Hanne Sannæs, A. Rus Hoelzel, Odd Aksel Bergstad, Sergio Stefanni, Torild Johansen, Nils Christian Stenseth
Molecular Ecology 18 p. 3151-3162
2008

Small-scale biocomplexity in coastal Atlantic cod supporting a Darwinian perspective on fisheries management

Esben Moland Olsen, Halvor Knutsen, Jakob Gjøsæter, Per Erik Jorde, Jan Atle Knutsen, Nils Christian Stenseth
Evolutionary Applications 1 p. 524-533
2008

New perspectives on fish movement: kernel and GAM smoothers applied to a century of tagging data on coastal Atlantic cod

Sigurd Heiberg Espeland, Espen Moland Olsen, Halvor Knutsen, Jakob Gjøsæter, Didrik S. Danielssen, Nils Christian Stenseth
Marine Ecology Progress Series 372 p. 231-241
2007

Population genetic structure in the North Atlantic Greenland halibut: influenced by oceanic current systems?

Halvor Knutsen, Per Erik Jorde, Ole Thomas Albert, AR Hoelzel, Nils Christian Stenseth
Canadian Journal of Fisheries and Aquatic Sciences 64 p. 857-866
2007

Egg distribution, bottom topography and small-scale cod population structure in a coastal marine system

Halvor Knutsen, Espen Moland Olsen, Lorenzo Ciannelli, Sigurd Heiberg Espeland, Jan Atle Knutsen, Jan Henrik Simonsen, Stig Skreslet, Nils Christian Stenseth
Marine Ecology Progress Series 333 p. 249-255
2007

Egg distribution, bottom topography and small-scale cod population structure in a coastal marine system

Halvor Knutsen, Esben Moland Olsen, Lorenzo Ciannelli, Sigurd Heiberg Espeland, JA Knutsen, JH Simonsen, Stig Skreslet, Nils Christian Stenseth
Marine Ecology Progress Series 333 p. 249-255
2007

Spatial scale of genetic structuring in coastal cod Gadus morhua and geographic extent of local populations

Per Erik Jorde, Halvor Knutsen, Sigurd Heiberg Espeland, Nils Christian Stenseth
Marine Ecology Progress Series 343 p. 229-237
2007

Home range and elevated egg densities within an inshore spawning ground of coastal cod

Sigurd Heiberg Espeland, Ailin Fernløf Gundersen, Esben Moland Olsen, Halvor Knutsen, Jakob Gjøsæter, Nils Christian Stenseth
ICES Journal of Marine Science 64 p. 920-928
2006

Ecological and genetic impact of Atlantic cod larval drift in the Skagerrak

Nils Christian Stenseth, Per Erik Jorde, Kung-Sik Chan, E Hansen, Halvor Knutsen, Carl André, Morten Skogen, Kyrre Lekve
Proceedings of the Royal Society of London. Biological Sciences 273 p. 1085-1092
2004

Marine feeding of anadromous Salmo trutta during winter

Jan Atle Knutsen, Halvor Knutsen, Esben Moland Olsen, B. Jonsson
Journal of Fish Biology 64 p. 89-99
2004

Life-history variation among local populations of Atlantic cod from the Norwegian Skagerrak coast

Esben Moland Olsen, Halvor Knutsen, Jakob Gjøsæter, Per Erik Jorde, Jan Atle Knutsen, Nils Christian Stenseth
Journal of Fish Biology 64 p. 1725-1730
2004

Transport of North Sea cod larvae into the Skagerrak coastal populations

Halvor Knutsen, Carl André, Per Erik Jorde, Morten Skogen, E. Thuróczy, Nils Christian Stenseth
Proceedings of the Royal Society of London. Biological Sciences 271 p. 1337-1344
2003

Fine-scaled geographic population structuring in a highly mobile marine species: the Atlantic cod

Halvor Knutsen, Per Erik Jorde, Carl Andre, Nils Christian Stenseth
Molecular Ecology 12 p. 385-394
2001

Genetic evidence for mixed origin of recolonized sea-trout populations

Halvor Knutsen, Jan Atle Knutsen, Per Erik Jorde
Heredity 87 p. 207-214
2001

Feeding of anadromous brown trout at sea

Jan Atle Knutsen, Halvor Knutsen, Jacob Gjøsæter, Bror Jonsson
Journal of Fish Biology 59 p. 533-543
2001

Feeding of anadromous brown trout at sea

Jan Atle Knutsen, Halvor Knutsen, Jacob Gjøsæter, Bror Jonsson
Journal of Fish Biology 59 p. 533-543
2001

«Fargerik» innvandring ¿ genetiske analyser viser at sjøørret-bekker ekoloniseres fra ulike populasjoner

Knutsen, Halvor
Fauna Norvegica 54 p. 90-96
2000

Genetic differentiation among populations of the beetle Bolitophagus reticulatus (Coleoptera: Tenebrionidae) in a fragmented and a continuous landscape

Halvor Knutsen, Bjørn Arne Rukke, Per Erik Jorde, Rolf Anker Ims
Heredity 6 p. 667-676

Other journal contributions

2024

Økosystemet i Oslofjorden kollapser – vi trenger tiltak.

Nils Christian Stenseth, Sissel Jentoft, Thrond Oddvar Haugen, Trine Bekkby, Mats Gunnar Walday, Paul Ragnar Berg, Jonathan Coleman, KH Christensen, Dag Olav Hessen, Halvor Knutsen, Even Moland
Khrono.no
2023

Langsiktig forskning og modige tiltak må til om vi skal redde Oslo­fjorden. Debattinnlegg i Khrono, 14.08.2023. khrono.no/langsiktig-forskning-og-modige-tiltak-ma-til-om-vi-skal-redde-oslofjorden/800689

Nils Christian Stenseth, Sissel Jentoft, Even Moland, Halvor Knutsen, Thrond Oddvar Haugen, JE Colman, Mats Gunnar Walday, Trine Bekkby, KH Christensen
Khrono.no
2014

Isolation and characterization of twenty microsatellite loci for the ballan wrasse, Labrus bergylta

Maria Quintela Sanchez, Elin A. Danielsen, Terje Svåsand, Halvor Knutsen, Anne Berit Skiftesvik, Kevin Glover
Conservation Genetics Resources 6 p. 425-428
2006

Egg retention promotes population structure in Atlantic cod

Sigurd Heiberg Espeland, Halvor Knutsen, Esben Moland Olsen, Nils Christian Stenseth
Journal of Fish Biology 69 p. 229-229

Scientific lectures

2020

Nasjonal kartlegging av genetisk struktur hos sjøørret

Sten Karlsson, Øystein Skaala, Halvor Knutsen, Håvard Lo, Harald Sægrov
2018

Personality of sea trout and consequences for survival quantified using detailed movement data from a telemetry study in a southern Norwegian fjord

Susanna Huneide Thorbjørnsen, Even Moland, David Villegas-Rios, Halvor Knutsen, Esben Moland Olsen
2018

Transcriptomic variability in population responses of Atlantic cod to temperature

Rebekah Alice Oomen, Halvor Knutsen, Esben Moland Olsen, Sissel Jentoft, Nils Chr. Stenseth, Jeffrey Hutchings
2018

Understanding adaptation in translocating wrasses

Enrique Blanco Gonzalez, Sissel Jentoft, Michael Møller Hansen, Halvor Knutsen, Marte Sodeland, Morten Mattingsdal, Nils Christian Stenseth, Joana I. Robalo, Per Erik Jorde
2017

Repeatability of sea trout behavioural traits and potential for detecting behavioural syndromes

Susanna Huneide Thorbjørnsen, Even Moland, David Villegas-Rios, Halvor Knutsen, Esben Moland Olsen
2016

Genetic variability in population responses of Atlantic cod to temperature

Rebekah Alice Oomen, Halvor Knutsen, Esben Moland Olsen, Sissel Jentoft, Nils Christian Stenseth, Jeffrey Hutchings
2016

Seascape genomics in a growing fishery: the case of a translocated cleaner fish, the corkwing wrasse (Symphodus melops)

Enrique Blanco Gonzalez, Halvor Knutsen, Per Erik Jorde
2015

The transcriptomic response of cod to temperature

Rebekah Alice Oomen, Halvor Knutsen, Esben Moland Olsen, Sissel Jentoft, Nils Christian Stenseth, Jeffrey Hutchings
2015

Genetic variability in population responses of Atlantic cod to temperature

Rebekah Alice Oomen, Halvor Knutsen, Esben Moland Olsen, Sissel Jentoft, Nils Christian Stenseth, Jeffrey Hutchings
2015

Genetic variability in population responses of Atlantic cod to environmental change and the transcriptomic response to temperature

Rebekah Alice Oomen, Halvor Knutsen, Esben Moland Olsen, Sissel Jentoft, Nils Christian Stenseth, Jeffrey Hutchings
2015

Genetic and phenotypic characterization of local and translocated corkwing wrasse (Symphodus melops) populations

Enrique Blanco Gonzalez, Halvor Knutsen, Per Erik Jorde
2015

Genetic and phenotypic characterization of local and translocated corkwing wrasse (Symphodus melops) populations

Enrique Blanco Gonzalez, Halvor Knutsen, Per Erik Jorde
2015

Climate change and the development of the corkwing wrasse (Symphodus melops) fishery in Scandinavia: genetic population structure and potential implication of translocated cleaner fish

Enrique Blanco Gonzalez, Per Erik Jorde, Halvor Knutsen
2015

Leppefisknæring i vekst- flytting av fisk til hvilken pris?

Knutsen, Halvor
2014

Bestandsstruktur og lokal tilpasning hos laks på sørlandskysten

Knutsen, Halvor
2014

Connectivity among populations of Atlantic cod (Gadus morhua) at the Norwegian Skagerrak cod

Ida Kristin Mellerud, Leif Asbjørn Vøllestad, Halvor Knutsen
2014

Eight decades of fish sampling reveal a contemporary novel fish assemblage along the Skagerrak coast of Norway

Caren Barceló, Halvor Knutsen
2014

Genetic variability in population responses of Atlantic cod to environmental change

Rebekah Alice Oomen, Halvor Knutsen, Esben Moland Olsen, Sissel Jentoft, Nils Christian Stenseth, Jeffrey A. Hutchings
2014

A genomic perspective on cod connectivity in the Skagerrak/Kattegat

Julia Maria Isis Barth, Paul Ragnar Berg, Bastiaan Star, Sara Bonanomi, Jakob Hemmer-Hansen, Halvor Knutsen, Carl André, Sissel Jentoft
2014

Adaptation to low salinity promotes genomic divergence in Atlantic cod (Gadus morhua L.)

Paul Ragnar Berg, Sissel Jentoft, Bastiaan Star, Kristoffer Hofaker Ring, Halvor Knutsen, Sigbjørn Lien, Kjetill Sigurd Jakobsen, Carl André
2014

Population structure of corkwing wrasse (Symphodus melops) in Norway

Enrique Blanco Gonzalez, Halvor Knutsen, Per Erik Jorde
2012

Havforskningsinstituttet, Forskningsstasjonen Flødevigen - stasjonens historie og pågående aktiviteter

Knutsen, Halvor
2012

The Flødevigen Beach seine survey

Esben Moland Olsen, Halvor Knutsen
2012

Fine-scaled population structure in Atlantic cod

Halvor Knutsen, Esben Moland Olsen
2012

Unravelling The Population Structure Of aphanopus carbo: a Multididciplinary Approach

Craig Longmore, Halvor Knutsen, Per Erik Jorde, Truman Clive, Francis C. Neat, Stefano Mariano
2012

Post glacial recolonization in Scandinavian waters present and historical patterns

Knutsen, Halvor
2012

Population structure in leading edge and rear end in a northwards shifting species, the corkwing wrasse, Symphodus melops

Halvor Knutsen, Per Erik Jorde
2012

Lobster reserves in coastal Skagerrak: a field laboratory for science and management

Moland Even, Esben Moland Olsen, Halvor Knutsen, Alf Ring Kleiven, Carl Andre, Jan Atle Knutsen
2012

Gadid genetics and connectivity

Halvor Knutsen, Gonzalez Enrique Blanco, Esben Moland Olsen
2012

Postglacial isolation of the Mediterranean Centroscymnus coelolepis reveals the importance of the Pillars of Hercules as geographical barrier for deep sea sharks

Diana Catarino, Halvor Knutsen, Ana Verissimo, Hanne Sannæs, Per Erik Jorde, Esben Moland Olsen, Gui M. M. Menezes, Joan company, Roberto Danovaro, Antonio Dell'Anno, Sergio Stefanni
2011

Mechanisms behind fine-scaled population structure in Atlantic cod

Halvor Knutsen, Halvor Knutsen
2011

Bærekraftig rekefiske i Skagerrak

Knutsen, Halvor
2011

Fangsting og bruk av villfanget leppefisk – innenfor bærekraftige rammer?

Stein Mortensen, Egil Karlsbakk, Lisbeth S Harkestad, Halvor Knutsen, Sigurd Heiberg Espeland
2011

Post glacial recolonization in Scandinavian waters present and historical patterns

Knutsen, Halvor
2011

Bunntopografi former genetisk strukturi dypvansfiskene Brosme og Skolest

Knutsen, Halvor
2007

Following the movement of cod (Gadus morhua): a hundred years perspective on the Norwegian Skagerrak coast

Sigurd Heiberg Espeland, Esben Moland Olsen, Halvor Knutsen, Jakob Gjøsæter, Didrik S. Danielssen, Nils Christian Stenseth
2007

Analyzing a century of tagging data: New perspectives on the movement of Norwegian Skagerrak cod

Sigurd Heiberg Espeland, Esben Moland Olsen, Halvor Knutsen, Jakob Gjøsæter, Didrik S. Danielssen, Nils Christian Stenseth

Poster

2017

A no-take marine reserve provide benefits to anadromous sea trout (Salmo trutta)

Susanna Huneide Thorbjørnsen, Even Moland, Colin A. Simpfendorfer, Michelle R. Heupel, Halvor Knutsen, Esben Moland Olsen
2017

Chromosomal rearrangements as barriers to homogenization in highly mobile fish

Julia Maria Isis Barth, Bastiaan Star, Michael Matschiner, Carl André, Halvor Knutsen, Ian Bradbury, Jan Dierking, Christoph Petereit, David Righton, Julian Metcalfe, Kjetill Sigurd Jakobsen, Esben Moland Olsen, Sissel Jentoft
2017

Chromosomal rearrangements as barriers to homogenization in highly mobile fish

Julia Maria Isis Barth, Bastiaan Star, Michael Matschiner, Carl André, Halvor Knutsen, Ian Bradbury, Jan Dierking, Christoph Petereit, David Righton, Julian Metcalfe, Kjetill Sigurd Jakobsen, Esben Moland Olsen, Sissel Jentoft
2014

Population structure of ling (Molva molva) in the Northeast Atlantic and its implications for stock assessments and management advice

Enrique Blanco Gonzalez, Halvor Knutsen, Per Erik Jorde, Kevin Glover, Odd Aksel Bergstad

Reports and dissertations

2024

Liste over forvaltningsrelevante naturenheter - Oppfølgende informasjon til rapporten "Forvaltningsrelevante naturenheter i sjø"

Jonatan Fredricson Marquez, Gro Ingleid van der Meeren, Terje van der Meeren, Jon Albretsen, Rebecca Ross, Henning Steen, Kjell Magnus Norderhaug, Kim Aleksander Tallaksen Halvorsen, Stein Mortensen, Halvor Knutsen, Jonas Thormar, Per Erik Jorde, Elisabeth Helene Juliussen, Tone Kroglund, Carla Freitas, Guldborg Søvik, Tina Kutti, Lars Johan Naustvoll, Mette Skern-Mauritzen, Johanna Myrseth Aarflot, Even Moland, Gayantonia Franzè, Florian Berg, Ellen Sofie Grefsrud, Fabian Zimmermann, Edda Johannesen, Erlend Langhelle, Halvard Aas Midtun, Jane Aanestad Godiksen, Johanna Jennifer Elisabeth Fall, Jon Egil Skjæraasen, Knut Korsbrekke, Magnus Aune, Sigmund Grønnevik, Pål Buhl-Mortensen, Erik Berg, Kjell Harald Nedreaas, Rupert Wienerroither, Mats Brockstedt Olsen Huserbråten, Cecilie Kvamme, Espen Johnsen, Per Arneberg, Sigurd Heiberg Espeland
Rapport fra havforskningen
2023

Rapport fra høstundersøkelsene med strandnot i indre og ytre Oslofjord 2022

Sigurd Heiberg Espeland, Halvor Knutsen
2022

Svar på høring om tillatelse til utslipp fra foreløpig anleggsvirksomhet samt mudring, dumping og utfylling i forbindelse med bygging av Stad skipstunnel.

Lars Asplin, André Marcel Bienfait, Sigurd Heiberg Espeland, Johanna Jennifer Elisabeth Fall, Karine Gagnon, Bjørn Einar Grøsvik, Vivian Husa, Halvor Knutsen, Tanja Kögel, Terje van der Meeren, Frithjof Emil Moy, Lise Doksæter Sivle, Henning Steen, Jan Erik Stiansen, Brian Stock, Elin Sørhus, Stig Valdersnes
2022

Evaluering av tiltak for vern av kysttorsk i sør innført juni 2019

Halvor Knutsen, Sigurd Heiberg Espeland, Even Moland
2021

Krafttak for kysttorsken - Kunnskap for stedstilpasset gjenoppbygging av bestander, naturtyper og økosystem i Færder- og Ytre Hvaler nasjonalparker

Even Moland, Ann-Elin Synnes, Lars Johan Naustvoll, Carla Freitas, Kjell Magnus Norderhaug, Jonas Thormar, Martin Biuw, Per Erik Jorde, Halvor Knutsen, Geir Dahle, Anders Jelmert, Sebastian Bosgraaf, Esben Moland Olsen, Anne Deininger, Atle Haga
2020

Undersøkelse av mageinnhold i fiskeyngel og kystnære fiskearter etter utslippet av plastpellets fra M/V Trans Carrier

Stepan Boitsov, Halvor Knutsen, Jan Henrik Simonsen, Sylvia Frantzen
2019

Rapport fra høstundersøkelsene med strandnot i indre og ytre Oslofjord 2018

Sigurd Heiberg Espeland, Halvor Knutsen
2016

Oppdatert kunnskapsstatus om kystnær torsk i Sør Norge

Asgeir Aglen, Kjell Harald Nedreaas, Even Moland, Halvor Knutsen, Alf Ring Kleiven, Tore Johannessen, Henning Wehde, Terje Jørgensen, Sigurd Heiberg Espeland, Esben Moland Olsen, Jan Atle Knutsen
2012

Overvåkning av miljøgifter i fisk og skalldyr fra grenlandsfjordene 2011

Anders Ruus, Birger Bjerkeng, Torgeir Heggelund Bakke, Halvor Knutsen
2011

Overvåking av forurensningssituasjonen i Indre Oslofjord 2010

John A Berge, Rita Amundsen, Birger Bjerkeng, Gunhild Borgersen, Erik Bjerknes, Janne K. Gitmark, Jakob Gjøsæter, Merete Grung, Hege Gundersen, Tor Fredrik Holth, Ketil Hylland, Torbjørn Martin Johnsen, Halvor Knutsen, Anna Birgitta Ledang, Evy Rigmor Lømsland, Jan Magnusson, Inger Lise Nerland, Esben Moland Olsen, Øystein Paulsen, Thomas Rohrlack, Kai Sørensen, Mats Walday
2010

Kunnskapsstatus leppefisk Utfordringer i et økende fiskeri

Sigurd Heiberg Espeland, Kjell Harald Nedreaas, Stein Mortensen, Anne Berit Skiftesvik, Ann-Lisbeth Agnalt, Caroline Durif, Lisbeth S Harkestad, Egil Karlsbakk, Halvor Knutsen, Trond Thangstad, Knut Jørstad, Åsmund Bjordal, Jakob Gjøsæter
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