Håkon Otterå

Forsker

E-post: haakon.otteraa@hi.no

Telefon: 95065762

Avdeling: Fiskeridynamikk

Publikasjoner
Nyheter

Publikasjoner

Vitenskapelige artikler (NVI)

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

Kevin Glover, Kurt Urdal, Tor Næsje, Helge Skoglund, Bjørn Florø-Larsen, Håkon Magne Otterå, Peder Fiske, Mikko Petteri Heino, Tonje Aronsen, Harald Sægrov, Ola Håvard Diserud, Bjørn Torgeir Barlaup, Kjetil Hindar, Gunnar O Bakke, Ingrid Solberg, Håvard Lo, Monica Favnebøe Solberg, Sten Karlsson, Øystein Skaala, Anders Lamberg, Øyvind Kanstad-Hanssen, Rune Muladal, Ove Tommy Skilbrei, Vidar Wennevik

ICES Journal of Marine Science 76 p. 1151-1161

2019

Field surveying of marine recreational fisheries in Norway using a novel spatial sampling frame reveals striking under-coverage of alternative sampling frames

Jon Helge Vølstad, Mary C. Christman, Keno Ferter, Alf Ring Kleiven, Håkon Magne Otterå, Øystein Aas, Robert Arlinghaus, Trude Borch, Jonathan Edward Colman, Bruce Hartill, Thrond Oddvar Haugen, Kieran Hyder, Jeremy Lyle, Martin Junker Ohldieck, Christian Skov, Harry Vincent Strehlow, Dave van Voorhees, Marc Simon Weltersbach, Edward D. Weber

ICES Journal of Marine Science

2019

Otolith growth and zone formation during first maturity and spawning of Atlantic cod (Gadus morhua)

Christian Irgens, Arild Folkvord, Håkon Magne Otterå, Olav Sigurd Kjesbu

Canadian Journal of Fisheries and Aquatic Sciences

2018

Growth of wild and domesticated Atlantic cod Gadus morhua reared under semi-commercial conditions

Håkon Magne Otterå, Mikko Petteri Heino, Anne Grete Eide Sørvik, Terje Svåsand, Ørjan Karlsen, Anders Thorsen, Kevin Glover

Aquaculture Environment Interactions 10 p. 187-200

2017

Timecourse of oocyte development in saithe Pollachius virens

Jon Egil Skjæraasen, Jennifer Ann Devine, Jane Aanestad Godiksen, Merete Fonn, Håkon Magne Otterå, Olav Sigurd Kjesbu, Birgitta Norberg, Øystein Langangen, Ørjan Karlsen

Journal of Fish Biology 90 p. 109-128

2016

Two adjacent inversions maintain genomic differentiation between migratory and stationary ecotypes of Atlantic cod

Tina Graceline Kirubakaran, Harald Grove, Matthew Peter Kent, Simen Rød Sandve, Matthew Baranski, Torfinn Nome, Maria Cristina De Rosa, Benedetta Righino, Torild Johansen, Håkon Magne Otterå, Anna Kristina Sonesson, Sigbjørn Lien, Øivind Andersen

Molecular Ecology 25 p. 2130-2143

2016

Performance of triploid Atlantic cod (Gadus morhua L.) in commercial aquaculture

Håkon Magne Otterå, Anders Thorsen, Ørjan Karlsen, Per Gunnar Fjelldal, Hugh Craig Morton, Geir Lasse Taranger

Aquaculture 464 p. 699-709

2016

Influence of depth, time and human activity on detection rate of acoustic tags: a case study on two fish farms

Håkon Magne Otterå, Ove Tommy Skilbrei

Journal of Fish Biology 88 p. 1229-1235

2016

Vertical distribution of saithe (Pollachius virens) aggregating around fish farms

Ove Tommy Skilbrei, Håkon Magne Otterå

ICES Journal of Marine Science 73 p. 1186-1195

2015

Pug-headedness in the farmed triploid Atlantic cod, Gadus morhua Linnaeus, 1758 (Actinopterygii: Gadiformes: Gadidae) in Norway

Laith A. Jawad, Anders Thorsen, Håkon Magne Otterå, Per Gunnar Fjelldal

Acta Adriatica 56 p. 291-296

2014

Possible influence of salmon farming on long-term resident behaviour of wild saithe (Pollachius virens L.)

Håkon Magne Otterå, Ove Tommy Skilbrei

ICES Journal of Marine Science 71 p. 2484-2493

2014

Genetic marking of farmed Atlantic cod (Gadus morhua l.) and detection of escapes from a commercial cod farm

Knut Eirik Jørstad, Håkon Magne Otterå, Terje van der Meeren, Geir Dahle, Ole Ingar Paulsen, Gunnar O Bakke, Terje Svåsand

ICES Journal of Marine Science 71 p. 574-584

2013

Fertility of gynogenetic Atlantic cod (Gadus morhua L.)

Ørjan Karlsen, Håkon Magne Otterå, Anders Thorsen

Journal of Applied Ichthyology 29 p. 1292-1296

2012

Seasonal dynamics of growth and mortality suggest contrasting population structure and ecology for cod, pollack and saithe in a Norwegian fjord

Mikko Petteri Heino, Terje Svåsand, Jarle Tryti Nordeide, Håkon Magne Otterå

ICES Journal of Marine Science 69 p. 537-546

2012

Is spawning time of marine fish imprinted in the genes? A two-generation experiment on local Atlantic cod (Gadus morhua L.) populations from different geographical regions

Håkon Magne Otterå, Ann-Lisbeth Agnalt, Anders Thorsen, Olav Sigurd Kjesbu, Geir Dahle, Knut Eirik Jørstad

ICES Journal of Marine Science 69 p. 1722-1728

2011

Induction of meiotic gynogenesis in Atlantic cod, Gadus morhua (L.)

Håkon Magne Otterå, Anders Thorsen, Stefano Peruzzi, Geir Dahle, Tom Johnny Hansen, Ørjan Karlsen

Journal of Applied Ichthyology 27 p. 1298-1302

2009

A comparison of farmed, wild and hybrid Atlantic salmon (Salmo salar L.) reared under farming conditions

Kevin Glover, Håkon Magne Otterå, Rolf Erik Olsen, Erik Slinde, Geir Lasse Taranger, Øystein Skaala

Aquaculture 286 p. 203-210

2009

Effects of egg size, parental origin and feeding conditions on growth of larval and juvenile cod Gadus morhua

H. Paulsen, Olav Sigurd Kjesbu, V. Buehler, R.A.J. Case, C. Clemmesen, G. Carvalho, L. Hauser, William F. Hutchinson, Erlend Moksness, Håkon Magne Otterå, Anders Thorsen, Terje Svåsand

Journal of Fish Biology 75 p. 516-537

2009

Quality of wild-captured saithe (Pollachius virens L.) fed formulated diets for 8 months

Håkon Magne Otterå, Ørjan Karlsen, Erik Slinde, Rolf Erik Olsen

Aquaculture Research 40 p. 1310-1319

2009

Effects of female spawning experience and larval size on feeding and growth of cod larvae Gadus morhua L. reared in mesocosms

Kjersti Eline Tønnessen Busch, Arild Folkvord, Håkon Otterå, William F. Hutchinson, Terje Svåsand

Marine Biology Research 5 p. 286-296

2007

Effect of diet and season on quality of farmed Atlantic cod (Gadus morhua L)

Håkon Magne Otterå, Mats Carlehög, Ørjan Karlsen, Leif Akse, Jørgen Borthen, Guro Eilertsen

Lebensmittel-Wissenschaft + Technologie 40 p. 1623-1629

2006

Association between growth and Pan I* genotype within Atlantic cod full-sibling families

Richard A.J. Case, William F. Hutchinson, Lorenz Hauser, Vivian Buehler, Catriona Clemmesen, Geir Dahle, Olav Sigurd Kjesbu, Erlend Moksness, Håkon Magne Otterå, Helge Paulsen, Terje Svåsand, Anders Thorsen, Gary R. Carvalho

Transactions of the American Fisheries Society 135 p. 241-250

2006

Comparison of growth rate among different protein genotypes in Atlantic cod, Gadus morhua, under farmed conditions

Knut E. Jørstad, Ørjan Karlsen, Terje Svåsand, Håkon Magne Otterå

ICES Journal of Marine Science 63 p. 235-245

2006

Food ingestion in juvenile cod estimated by inert lanthanide markers - effects of food particle size

Oddvard Garatun-Tjeldstø, Håkon Otterå, Kåre Julshamn, Erland Austreng

ICES Journal of Marine Science 63 p. 311-319

2003

Variability in condition and growth of Atlantic cod larvae and juveniles reared in mesocosms: environmental and maternal effects.

Catriona Clemmesen, Vivian Buehler, Gary Carvalho, R.A.J. Case, G Evans, Lorenz Hauser, William F. Hutchinson, Olav Sigurd Kjesbu, H. Mempel, Erlend Moksness, Håkon Magne Otterå, H. Paulsen, Anders Thorsen, Terje Svåsand

Journal of Fish Biology 62 p. 706-723

2003

Feed preferences in juvenile cod estimated by inert lanthanid markers - effects of moisture content in the feed

Håkon Magne Otterå, Oddvard Garatun-Tjeldstø, Kåre Julshamn, Erland Austreng

Aquaculture International 11 p. 217-224

2003

Feed preferences in juvenile cod estimated by lanthanid markers - effects of moisture content in the feed

Håkon Otterå, Oddvard Garatun-Tjeldstø

Aquaculture International 11 p. 217-224

2003

Is humane slaughter of fish possible for industry?

Hans van de Vis, Steve Kestin, David Robb, Jörg Oehlenschläger, Bert Lambooij, Werner Münkner, Holmer Kuhlmann, Karin Kloosterboer, Margarita Tejada, Almudena Huidobro, Håkon Otterå, Bjørn Roth, Nils Kristian Sørensen, Leif Akse, Hazel Byrne, Paul Nesvadba

Aquaculture Research 34 p. 211-220

1993

Allometric growth in juvenile cod (Gadus morhua) and possible effects on cannibalism

Håkon Otterå, Arild Folkvord

Journal of Fish Biology 43 p. 643-645

1993

Effects of initial size distribution, day length, and feeding frequency on growth, survival, and cannibalism in juvenile Atlantic cod (Gadus morhua L.)

Arild Folkvord, Håkon Otterå

Aquaculture 114 p. 243-260

1988

The toxicity and excretion of rotenone in oysters (Ostrea edulis) and its degradation in seawater at temperatures near 0˙C

Ole Bent Samuelsen, Einar Solheim, Håkon Magne Otterå, Jan Per Pedersen

Aquaculture 70 p. 355-363

Poster

2014

Experimental study of post-ovulatory follicles in saithe (Pollachius virens) for validation of otolith spawning zones

Jane Amtoft Godiksen, Håkon Magne Otterå, Olav Sigurd Kjesbu

Kapitler og bøker

2007

High-quality Seafood Products based on Ethical and Sustainable Production

Ragnar Nortvedt, Marit Espe, Ingrid Gribbestad, Leif Jørgensen, Ørjan Karlsen, Håkon Otterå, Mia Bencze Rørå, Lars Helge Stien, Nils Kristian Sørensen

p. 28-44

2006

Fra kjemisk sammensetning til trygg og god sjømat basert på etisk og bærekraftig produksjon

Ragnar Nortvedt, Marit Espe, Ingrid Gribbestad, Leif Jørgensen, Ørjan Karlsen, Håkon Otterå, Anna Maria Bencze Rørå, Lars Helge Stien, Nils Kristian Sørensen

p. 28-42

2005

Oppdrett av torsk - næring med framtid

Håkon Otterå, Geir lasse Taranger, Jørgen Borthen

2005

Oppdrett av torsk - næring med framtid

Håkon Otterå, Geir-Lasse Taranger, Jørgen Borthen

1999

Enhancement studies of Atlantic cod (Gadus morhua L.) in an exposed area in western Norway

Håkon Otterå, Tore S. Kristiansen, Jarle Tryti Nordeide, Gunnar Nævdal, Asbjørn Borge, Jan P. Pedersen, Bari R. Howell, Erlend Moksness, Terje Svåsand

p. 257-276

1999

Enhancement studies of Atlantic cod (Gadus morhua L.) in an exposed area in western Norway

Håkon Otterå, Tore S. Kristiansen, Terje Svåsand, Jarle Tryti Nordeide, Gunnar Nævdal, Asbjørn Borge, Jan P. Pedersen

p. 257-276

Populærvitenskapelige artikler

2008

Effekter av spillfôr på marine organismer

Jakob Gjøsæter, Håkon Otterå, Erik Slinde, K Nederaas, Arne Ervik

Kyst og havbruk p. 52-55

2008

Kvalitet på sei ved oppdrettsanlegg - ein eksperimentell studie

Håkon Otterå, Ørjan Karlsen, Erik Slinde, R.E. Olsen

Fisken og Havet 2

Faglige foredrag

2011

Control of sexual maturity in cod farming – status and future solution

Ørjan Karlsen, Trine Haugen, Øyvind Johan Korsøen, Ingegjerd Opstad, Håkon Magne Otterå, Ole Fredrik Skulstad, Anders Thorsen, Anna Wargelius, Geir Lasse Taranger

Annet tidsskriftbidrag

2007

Offspring performance of three different cod populations, measured under identical environmental conditions

Knut E. Jørstad, Terje van der Meeren, Geir Dahle, Ann-Lisbeth Agnalt, JB Taggart, Kevin Glover, Håkon Magne Otterå

Aquaculture 272 p. S273-S273

2007

Establishment of a biobank on Atlantic cod (Gadus morhua) in the Northeast Atlantic

Knut E. Jørstad, Geir Dahle, Ann-Lisbeth Agnalt, Håkon Magne Otterå, Terje van der Meeren, Svein-Erik Fevolden, KT Fjalestad, H Knutsen, Terje Svåsand

Aquaculture 272 p. S272-S273

Rapporter og avhandlinger

2018

Kvikksølvinnhold i fisk og annen sjømat ved vraket av U-864 vest av Fedje

Sylvia Frantzen, Håkon Magne Otterå, Hilde Elise Heldal, Amund Måge

2016

Interaksjon mellom fiskeoppdrett og fiskeressurser på kysten

Terje van der Meeren, Ørjan Karlsen, Håkon Magne Otterå, Bjørn-Steinar Sæther, Ingebrigt Uglem

2004

Hardangerfjorden – produksjon av laksefisk og effekter på de ville bestandene av laksefisk

Håkon Otterå, Ove Skilbrei, Øystein Skaala, Karin Boxaspen, Jan Aure, Geir Lasse Taranger, Arne S Ervik, Reidar Borgstrøm

1997

Havbeite med torsk i Hordaland - sluttrapport

Håkon Otterå, Tore S. Kristiansen, Terje Svåsand, Asbjørn Borge, Arne Storaker, Jan Per Pedersen, Ole Ingar Paulsen, Gunnar Nævdal, Solveig Thorkildsen

1995

Rearing of juvenile Atlantic cod (Gadus morhua L.), with particular reference to the transition from live to formulated feeds

Håkon Otterå, Arne Johannessen

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