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Kim Halvorsen

kim
Researcher
Telephone: 40016601
Department: Økosystemakustikk

Publications

Academic articles

2024

Trajectory-based fish event classification through pre-training with diffusion models

Noemi Canovi, Benjamin A. Ellis, Tonje Knutsen Sørdalen, Vaneeda Allken, Kim Aleksander Tallaksen Halvorsen, Ketil Malde, Cigdem Beyan
Ecological Informatics 82
2024

A new maximum age observed within the family Labridae, ballan wrasse Labrus bergylta

Calum J. Pritchard, Marthe M. R. Stendal, Jim Treasurer, Kim Aleksander Tallaksen Halvorsen, Anne Berit Skiftesvik
Journal of Fish Biology
2023

A contrastive learning approach for individual re-identification in a wild fish population

Ørjan Langøy Olsen, Tonje Knutsen Sørdalen, Morten Goodwin, Ketil Malde, Kristian Muri Knausgård, Kim Aleksander Tallaksen Halvorsen
Proceedings of the Northern Lights Deep Learning Workshop 4
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

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

Global, regional, and cryptic population structure in a high gene-flow transatlantic fish

Eeva Jansson, Ellika Faust, Dorte Bekkevold, Maria Quintela, Caroline Durif, Kim Aleksander Tallaksen Halvorsen, Geir Dahle, Christophe Pampoulie, James Kennedy, Benjamin Whittaker, Laila Unneland, Søren Post, Carl André, Kevin Alan Glover
PLOS ONE 18
2023

A contrastive learning approach for individual re-identification in a wild fish population

Ørjan Langøy Olsen, Tonje Knutsen Sørdalen, Morten Goodwin, Ketil Malde, Kristian Muri Knausgård, Kim Tallaksen Halvorsen
Proceedings of the Northern Lights Deep Learning Workshop 2023 4
2023

Global, regional, and cryptic population structure in a high gene-flow transatlantic fish

Eeva Jansson, Ellika Faust, Dorte Bekkevold, María Quintela, Caroline Durif, Kim Tallaksen Halvorsen, Geir Dahle, Christophe Pampoulie, James Kennedy, Benjamin Whittaker, Laila Unneland, Søren Post, Carl André, Kevin A Glover
Plos one
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 T Halvorsen, François Besnier, Fernando Ayllon, Ellika Faust, Halvor Knutsen, Åsa Strand, Kevin A Glover
ICES Journal of Marine Science
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

Protection from fishing improves body growth of an exploited species

Tonje Knutsen Sørdalen, Kim Aleksander Tallaksen Halvorsen, Esben Moland Olsen
Proceedings of the Royal Society of London. Biological Sciences 289
2022

Unlocking the potential of deep learning for marine ecology: overview, applications, and outlook

Morten Goodwin, Kim Aleksander Tallaksen Halvorsen, Lei Jiao, Kristian Muri Knausgård, Angela Helen Martin, Marta Moyano, Rebekah Alice Oomen, Jeppe Have Rasmussen, Tonje Knutsen Sørdalen, Susanna Huneide Thorbjørnsen
ICES Journal of Marine Science
2021

Movement patterns of temperate wrasses (Labridae) within a small marine protected area

Kim Aleksander Tallaksen Halvorsen, Torkel Larsen, Howard Browman, Caroline Durif, Nicolai Ljøstad Aasen, Leif Asbjørn Vøllestad, Alessandro Cresci, Tonje Knutsen Sørdalen, Reidun Marie Bjelland, Anne Berit Skiftesvik
Journal of Fish Biology 99 p. 1513-1518
2021

Goldsinny wrasse (Ctenolabrus rupestris) have a sex-dependent magnetic compass for maintaining site fidelity

Alessandro Cresci, Torkel Larsen, Kim Aleksander Tallaksen Halvorsen, Caroline Durif, Reidun Marie Bjelland, Howard Browman, Anne Berit Skiftesvik
Fisheries Oceanography
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

Movement patterns of temperate wrasses (Labridae) within a small marine protected area

Kim Aleksander Tallaksen Halvorsen, Torkel Larsen, Howard Browman, Caroline Durif, Nicolai Aasen, Leif Asbjørn Vøllestad, Alessandro Cresci, Tonje Knutsen Sørdalen, Reidun Marie Bjelland, Anne Berit Skiftesvik
Journal of Fish Biology 99 p. 1513-1518
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

Temperate fish detection and classification: a deep learning based approach

Kristian Muri Knausgård, Arne Wiklund, Tonje Knutsen Sørdalen, Kim Tallaksen Halvorsen, Alf Ring Kleiven, Jiao Lei, Morten Goodwin
Applied intelligence (Boston) p. 1-14
2021

Temperate fish detection and classification: a deep learning based approach

Kristian Muri Knausgård, Arne Wiklund, Tonje Knutsen Sørdalen, Kim Tallaksen Halvorsen, Alf Ring Kleiven, Lei Jiao & Morten Goodwin
Applied Intelligence
2020

Marine protected areas rescue a sexually selected trait in European lobster

Tonje Knutsen Sørdalen, Kim Aleksander Tallaksen Halvorsen, Esben Moland Olsen, Leif Asbjørn Vøllestad, Even Moland
Evolutionary Applications
2020

Mind the depth: The vertical dimension of a small-scale coastal fishery shapes selection on species, size, and sex in wrasses

Kim Aleksander Tallaksen Halvorsen, Tonje Knutsen Sørdalen, Torkel Larsen, Howard Browman, Trond Rafoss, Jon Albretsen, Anne Berit Skiftesvik
Marine and Coastal Fisheries 12 p. 404-422
2020

The consequences of size-selective fishing mortality for larval production and sustainable yield in species with obligate male care

Holly K. Kindsvater, Kim Aleksander Tallaksen Halvorsen, Tonje Knutsen Sørdalen, Suzanne H. Alonzo
Fish and Fisheries 21 p. 1135-1149
2020

Marine protected areas rescue a sexually selected trait in European lobster

Tonje Knutsen Sørdalen, Kim Aleksander Tallaksen Halvorsen, Leif Asbjørn Vøllestad, Even Moland, Esben Moland Olsen
Evolutionary Applications 13 p. 2222-2233
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

Potential for managing life history diversity in a commercially exploited intermediate predator, the goldsinny wrasse (Ctenolabrus rupestris)

Esben Moland Olsen, Kim Aleksander Tallaksen Halvorsen, Torkel Larsen, Anna Kuparinen
ICES Journal of Marine Science 76 p. 410-417
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

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

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
2017

Sex-and size-selective harvesting of corkwing wrasse (Symphodus melops)-a cleaner fish used in salmonid aquaculture

Kim Aleksander Tallaksen Halvorsen, Tonje Knutsen Sørdalen, Leif Asbjørn Vøllestad, Anne Berit Skiftesvik, Sigurd Heiberg Espeland, Esben Moland Olsen
ICES Journal of Marine Science 74 p. 660-669
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
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
2012

Mitochondrial DNA differentiation between the antitropical blue whiting species Micromesistius poutassou and Micromesistius australis

Kim Aleksander Tallaksen Halvorsen, Einar Árnason, P.J. Smith, Jarle Mork
Journal of Fish Biology 81 p. 253-269

Other journal contributions

2019

Erratum: Potential for managing life history diversity in a commercially exploited intermediate predator, the goldsinny wrasse (Ctenolabrus rupestris)

Esben Moland Olsen, Kim Aleksander Tallaksen Halvorsen, Torkel Larsen, Anna Kuparinen
ICES Journal of Marine Science 76 p. 357
2015

Leppefisk mot lakselus: Det store eksperimentet

Halvorsen, Kim Aleksander Tallaksen
Aftenposten (morgenutg. : trykt utg.)

Scientific lectures

2024

Arven etter Dannevig: Autonom kystovervåkning

Kim Aleksander Tallaksen Halvorsen, Tonje Knutsen Sørdalen
2024

Decoding female mimicry in a fish using deep learning

Tonje Knutsen Sørdalen, Ketil Malde, Kim Aleksander Tallaksen Halvorsen
2023

Leppefiskenes hemmelige liv

Halvorsen, Kim Aleksander Tallaksen
2023

Unravelling the multiple impacts of commercial wrasse fisheries

Halvorsen, Kim Aleksander Tallaksen
2023

Black spot syndrom in wild rock cook (Centolabrus exolatus; Labridae)

Nina Sandlund, Julie Aga, Anne Berit Skiftesvik, Egil Erlingsson Karlsbakk, Kim Aleksander Tallaksen Halvorsen
2022

A deep learning approach for individual re-identification (re-ID) of fish in the wild

Vaneeda Allken, Tonje Knutsen Sørdalen, Cigdem Beyan, Ketil Malde, Howard Browman, Kim Aleksander Tallaksen Halvorsen
2016

Det store eksperimentet - leppefisk mot lakselus

Halvorsen, Kim Aleksander Tallaksen
2016

Trøbbel i havet

Kim Aleksander Tallaksen Halvorsen, Tonje Knutsen Sørdalen
2015

Sex biased fishing mortality and movement patterns of the dimorphic corkwing wrasse (Symphodus melops)

Kim Aleksander Tallaksen Halvorsen, Tonje Knutsen Sørdalen
2014

Velg realfag!

Halvorsen, Kim Aleksander Tallaksen
2014

Bærekraftig leppefiske?

Halvorsen, Kim Aleksander Tallaksen
2013

Forskningsdagene 2013

Tonje Knutsen Sørdalen, Kim Aleksander Tallaksen Halvorsen
2013

Hvorfor er forskning innen marin biologi viktig? Eksempler fra arbeid med hummer og grønngylt

Tonje Knutsen Sørdalen, Kim Aleksander Tallaksen Halvorsen
2012

Fishery induced evolution of male reproductive tactics in corkwing wrasse (Symphodus melops)

Halvorsen, Kim Aleksander Tallaksen

Poster

2015

Legal size limit implies strong fisheries selection on sexually selected traits in a temperate wrasse providing male-only parental care

Tonje Knutsen Sørdalen, Kim Aleksander Tallaksen Halvorsen

Reports and dissertations

2024

Fiskeri og bruk av rensefisk i norsk oppdrett - Kunnskapsstatus

Nina Sandlund, Kim Aleksander Tallaksen Halvorsen, Eeva Jansson, Kjell Harald Nedreaas, Steven Guidos, Marthe Marie Stendal, Terje Jørgensen, Anne Berit Skiftesvik
Rapport fra havforskningen
2024

Minstestørrelse på rensefisk ved utsett i oppdrettsnøter for å hindre rømming - Del 1: Bergnebb og små grønngylte

Terje Jørgensen, Kim Aleksander Tallaksen Halvorsen, Anne Berit Skiftesvik, Torstein Harboe, Manu Sistiaga, Reidun Marie Bjelland, Liz Beate Kolstad Kvalvik
Rapport fra havforskningen
2024

Risikorapport norsk fiskeoppdrett 2024 - Produksjonsdødelighet hos oppdrettsfisk og miljøeffekter av norsk fiskeoppdrett

Ellen Sofie Grefsrud, Ann-Lisbeth Agnalt, Lasse Berg Andersen, Ola Håvard Diserud, Katherine Mary Dunlop, Rosa Escobar, Peder Fiske, Ole Folkedal, Kevin Alan Glover, Bjørn Einar Grøsvik, Kim Aleksander Tallaksen Halvorsen, Rita Hannisdal, Pia Kupka Hansen, Kjetil Hindar, Vivian Husa, Eeva Jansson, Ingrid Askeland Johnsen, Ørjan Karlsen, Sten Karlsson, Abdullah Sami Madhun, Kjell Harald Nedreaas, Jonatan Nilsson, Aoife Elizabeth Parsons, Ole Samuelsen, Nina Sandlund, Anne Dagrun Sandvik, Rosa Maria Serra Llinares, Øystein Skaala, Rasmus Skern-Mauritzen, Anne Berit Skiftesvik, Monica Favnebøe Solberg, Lars Helge Stien, Elisabeth Stöger, Terje Svåsand, Kjell Rong Utne, Vidar Wennevik
Rapport fra havforskningen
2023

Kunnskapsstøtte og råd for regulering av fisket etter leppefisk i 2024

Kim Aleksander Tallaksen Halvorsen, Terje Jørgensen, Marthe Marie Ruud, Anne Berit Skiftesvik
Rapport fra havforskningen
2022

Strandkrabber Carcinus maenas og strandkrabbefiskeri

Gro Ingleid van der Meeren, Fabian Zimmermann, Anne Christine Utne-Palm, Martin Wiech, Kim Aleksander Tallaksen Halvorsen, Alf Ring Kleiven, Portia Joy Nillos Kleiven, Terje Jørgensen, Johanna Bjånes Marcussen
2021

Towards a sustainable fishery and use of cleaner fish in salmonid aquaculture. Challenges and opportunities

Stein Mortensen, Kim Aleksander Tallaksen Halvorsen, Anne Berit Skiftesvik, Caroline Durif, Lars Helge Stien, Eeva Jansson, Maria Quintela, Nina Sandlund, Kjell Harald Nedreaas, Terje Jørgensen, Hans Hagen Stockhausen, Kjetil Korsnes, Inger Fyllingen, Hulda Bysheim, Patrick Reynolds, Ellika Faust, Håkan Wennhage, Carl André, Peter Rask Møller, Henrik Carl, Jacob Linnemann Rønfeldt, Albert K.D. Imsland, Lauren Henly
2021

Kunnskapsstøtte og råd for regulering av fisket etter leppefisk i 2022

Kim Aleksander Tallaksen Halvorsen, Anne Berit Skiftesvik, Torkel Larsen, Håkon Magne Otterå, Albert Fernández-Chacón
2021

Aktiv forvaltning av marine ressurser - Frøya og Hitra - Sluttrapport

Alf Ring Kleiven, Sigurd Heiberg Espeland, Guldborg Søvik, Jon Albretsen, Portia Joy Nillos Kleiven, Fabian Zimmermann, Ellen Sofie Grefsrud, Kim Aleksander Tallaksen Halvorsen, Ola Vie
2020

Kunnskapstøtte og råd for regulering av fisket etter leppefisk i 2021

Kim Aleksander Tallaksen Halvorsen, Anne Berit Skiftesvik, Reidun Marie Bjelland, Torkel Larsen
2020

Kunnskapsbasert innovasjon for optimal ressursutnyttelse i leppefiskeriet — Sluttrapport i prosjekt 272202 - Regionalt forskningsfond Agder

Kim Aleksander Tallaksen Halvorsen, Tonje Knutsen Sørdalen, Torkel Larsen, Trond Rafoss, Anne Berit Skiftesvik
2019

Aktiv forvaltning av marine ressurser - Frøya og Hitra - Arbeidsrapport 2017-2018

Alf Ring Kleiven, Sigurd Heiberg Espeland, Jon Albretsen, Kim Aleksander Tallaksen Halvorsen, Guldborg Søvik, Ellen Sofie Grefsrud, Dag Ottesen
2019

Kunnskapsinnhenting Leppefisk – biologi og fiskeri 2013-2018: Rapport til Fiskeridirektoratet for 2018 sesongen

Anne Berit Skiftesvik, Kim Aleksander Tallaksen Halvorsen, Torkel Larsen
2019

Assessment of the risk to Norwegian biodiversity from import of wrasses and other cleaner fish for use in aquaculture. Opinion of the Panel on Alien Organisms and Trade in Endangered Species of the Norwegian Scientific Committee for Food and Environment

Eli Knispel Rueness, Paul Ragnar Berg, Snorre Gulla, Kim Aleksander Tallaksen Halvorsen, Johanna Järnegren, Martin Malmstrøm, Tor Atle Mo, Espen Rimstad, Hugo de Boer, Katrine Eldegard, Kjetil Hindar, Lars Robert Hole, Kyrre Kausrud, Lawrence R. Kirkendall, Inger Elisabeth Måren, Erlend Birkeland Nilsen, Eva Bonsak Thorstad, Anders Nielsen, Gaute Velle
2018

Program rensefisk: Adferd og artssamspill i laksemerder

Anne Berit Skiftesvik, Reidun Marie Bjelland, Caroline Durif, Lene Moltumyr, Ruth Berit Hjellum, Kim Aleksander Tallaksen Halvorsen
2017

Selective harvesting and life history variability of corkwing and goldsinny wrasse in Norway: Implications for management and conservation

Halvorsen, Kim Aleksander Tallaksen
2017

Seleksjon i leppefiskredskap: Rapport fra forsøk utført i 2016

Terje Jørgensen, Reidun Marie Bjelland, Kim Aleksander Tallaksen Halvorsen, Caroline Durif, Steven Shema, Anne Berit Skiftesvik
2017

Forsøksfiske for selektiv fangst av berggylt

Kim Aleksander Tallaksen Halvorsen, Reidun Marie Bjelland, Terje Jørgensen, Anne Berit Skiftesvik
2017

Program rensefisk: Kunstig lys og rensefisk - Sluttrapport FHF prosjekt 901146

Anne Berit Skiftesvik, Reidun Marie Bjelland, Caroline Durif, Kim Aleksander Tallaksen Halvorsen, Steven Shema, David M. Fields, Howard Browman
2017

Seleksjon i leppefiskredskap - FHF-prosjekt 901253, sluttrapport

Terje Jørgensen, Reidun Marie Bjelland, Kim Aleksander Tallaksen Halvorsen, Caroline Durif, Steven Shema, Torkel Larsen, Cameron Thompson, Anne Berit Skiftesvik
2010

Time since divergence between the blue whiting sister species Micromesistius poutassou and M. australis

Jarle Mork, Kim Aleksander Tallaksen Halvorsen
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