• Physiological response and survival of Atlantic mackerel exposed to simulated purse seine crowding and release 

      Anders, Neil; Roth, Bjørn; Breen, Mike (Peer reviewed; Journal article, 2021)
      Understanding how animals physiologically respond to capture and release from wild capture fishing is fundamental for developing practices that enhance their welfare and survival. As part of purse seine fishing for small ...
    • Physiological responses of farmed Atlantic salmon and two cohabitant species of cleaner fish to progressive hypoxia 

      Hvas, Malthe; Oppedal, Frode (Journal article; Peer reviewed, 2019)
      To mitigate salmon lice infestations in Atlantic salmon (Salmo salar) sea cages, deployment of cleaner fish have become a widespread strategy. However, species of cleaner fish may experience poor welfare in the highly ...
    • Physiological stress and recovery kinetics in trawl escapees of the Antarctic krill Euphausia superba Dana, 1850 (Euphausiacea) 

      Krag, Ludvig Ahm; Krafft, Bjørn Arne; Herrmann, Bent; Skov, Peter V. (Peer reviewed; Journal article, 2021)
      When caught in a trawl, some individuals interacting with the fishing gear may escape, but such interactions may lead to physiological trauma that causes direct delayed mortality and/or increased vulnerability to predation. ...
    • A Piece of the Puzzle—Possible Mechanisms for Why Low Dietary EPA and DHA Cause Hepatic Lipid Accumulation in Atlantic Salmon (Salmo salar) 

      Hundal, Bjørg Kristine; Lutfi Royo, Esmail; Sigholt, Trygve; Rosenlund, Grethe; Liland, Nina Sylvia; Glencross, Brett; Sissener, Nini (Peer reviewed; Journal article, 2022)
      The present study aimed at elucidating the effects of graded levels of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) on the hepatic metabolic health of Atlantic salmon reared in sea cages. Diets containing 10, ...
    • Pigghåtoktet 2022 - Et samarbeidstokt mellom Havforskningsinstituttet og Måløy Videregående Skole, med opplæringsfartøyet MS Skulebas Senior 

      Andrade Rodriguez, Hector Antonio; Vollen, Tone; Larsen, Torfinn Erling; Albert, Ole Thomas (Toktrapport;2022 - 14, Research report, 2022)
      Pigghå er en datafattig og rødlistet art som historisk har gitt grunnlag for et stort fiskeri med årlige landinger på mer enn 40 000 tonn i mer enn 40 år. Etter langvarig overfiske og etterfølgende bestandssammenbrudd har ...
    • PILOT 2023 Rene Vassdrag — Etnevassdraget 

      Andersen, Kaja Christine; Harvey, Alison C. (Rapport fra havforskningen, Research report, 2023)
      PILOT 2023 Rene vassdrag ble utlyst av Handelens Miljøfond i februar 2023. Målet var å rydde ulike vassdrag på vestlandet for søppel før det blir transportert ut i havet. Etnevassdraget var et av de utvalgte vassdragene, ...
    • Pilot project for the short-time live storage of bluefin tuna — Trials onboard MS Vestbris 2023 

      Sistiaga, Manu; Pettersen, Hermann; Saltskår, Jostein; Breen, Michael; Humborstad, Odd Børre; Pena, Hector; Anders, Neil; Olsen, Stein Harris; Martinez-Peiro, Joaquin; Jensen, Tonje Kristin (Rapport fra havforskningen;2023 - 56, Research report, 2023)
      Norway was historically a major bluefin tuna (BFT) harvesting country. However, fishing for this species has experienced low profitability. One potential solution is short-term live-storage so that the market can be supplied ...
    • Pilotprosjekt - Kartlegging av marin natur i Møre og Romsdal. Årsrapport 2017 

      Bekkby, Trine; Sigurd, Espeland; Dolan, Margaret; Rinde, Eli; Moy, Frithjof Emil; Elvenes, Sigrid; Gundersen, Hege; van Son, Thijs Christiaan; Sogn Andersen, Guri; Thormar, Jonas; Frigstad, Helene; Moy, Siri Røang; Beylich, Bjørnar; Albretsen, Jon; Naustvoll, Lars Johan; Tveiten, Lise Ann (Research report, 2018)
    • Pilotprosjekt for vurdering av samlet påvirkning i Oslofjorden – ytre del 

      Aarflot, Johanna Myrseth; Naustvoll, Lars Johan; Moy, Frithjof Emil; Norderhaug, Kjell Magnus; Berg, Florian; Kvamme, Cecilie; Søvik, Guldborg; Kleiven, Alf Ring; Albretsen, Jon; Freitas, Carla; Thorbjørnsen, Susanna Huneide; Falkenhaug, Tone (Rapport fra havforskningen;2024 - 15, Research report, 2024)
      Stor befolkningstetthet, høy menneskelig aktivitet og miljøutfordringer gjør at det er viktig å vurdere menneskelig påvirkning i Oslofjorden samlet. Denne rapporten presenterer en tverrsektoriell fremstilling av samlet ...
    • Pingers reduce harbour porpoise bycatch in Norwegian gillnet fisheries, with little impact on day-to-day fishing operations 

      Moan, André; Bjørge, Arne Jostein (Peer reviewed; Journal article, 2022)
      A field trial was conducted to determine the effect of acoustic deterrent devices (ADDs, or pingers) on harbour porpoise (Phocoena phocoena) and harbour seal (Phoca vitulina) bycatch in three Norwegian commercial gillnet ...
    • Piscine orthoreovirus (PRV) in red and melanised foci in white muscle of Atlantic salmon (Salmo salar) 

      Bjørgen, Håvard; Wessel, Øystein; Fjelldal, Per Gunnar; Hansen, Tom Johnny; Sveier, Harald; Sæbø, Håkon Rydland; Enger, Katrine Bones; Monsen, Erik; Kvellestad, Agnar Ståle; Rimstad, Espen; Koppang, Erling Olaf (Journal article; Peer reviewed, 2015)
    • Pituitary Gonadotropin Gene Expression During Induced Onset of Postsmolt Maturation in Male Atlantic Salmon: In Vivo and Tissue Culture Studies 

      Crespo, Diego; Skaftnesmo, Kai Ove; Kjærner-Semb, Erik Nordtorp; Yilmaz, Ozlem; Norberg, Birgitta; Olausson, Sara; Vogelsang, Petra; Bogerd, Jan; Kleppe, Lene; Edvardsen, Rolf Brudvik; Andersson, Eva; Wargelius, Anna; Hansen, Tom Johnny; Fjelldal, Per Gunnar; Schulz, Rüdiger W. (Peer reviewed; Journal article, 2022)
      Precocious male maturation causes reduced welfare and increased production costs in Atlantic salmon (Salmo salar) aquaculture. The pituitary produces and releases follicle-stimulating hormone (Fsh), the gonadotropin ...
    • The Piwil1 N domain is required for germ cell survival in Atlantic salmon 

      Almeida, Fernanda Loureiro; Skaftnesmo, Kai Ove; Andersson, Eva; Kleppe, Lene; Edvardsen, Rolf Brudvik; Norberg, Birgitta; Fjelldal, Per Gunnar; Hansen, Tom Johnny; Schulz, Rüdiger W.; Wargelius, Anna (Peer reviewed; Journal article, 2022)
      Genetic introgression of farmed salmon into wild populations can damage the genetic integrity of wild stocks and is therefore considered as an environmental threat. One possible solution is to induce sterility in farmed ...
    • Planctomycetes as a vital constituent of the microbial communities inhabiting different layers of the meromictic Lake Sælenvannet (Norway) 

      Storesund, Julia Endresen; Lanzén, Anders; Nordmann, Eva-Lena; Rief Armo, Hilde; Lage, Olga M.; Øvreås, Lise (Peer reviewed; Journal article, 2020)
      Meromictic lakes are permanently stratified lakes that display steep gradients in salinity, oxygen and sulphur compounds tightly linked to bacterial community structure and diversity. Lake Sælenvannet is a meromictic lake ...
    • Planktic foraminiferal and pteropod contributions to carbon dynamics in the Arctic Ocean (north Svalbard margin) 

      Anglada-Ortiz, Griselda; Zamelczyk, Katarzyna; Meilland, Julie; Ziveri, Patrizia; Chierici, Melissa; Fransson, Agneta; Rasmussen, Tine Lander (Peer reviewed; Journal article, 2021)
      Planktic foraminifera and shelled pteropods are some of the major producers of calcium carbonate (CaCO3) in the ocean. Their calcitic (foraminifera) and aragonitic (pteropods) shells are particularly sensitive to changes ...
    • Plastsøppel på havbunnen kartlagt av Mareano 

      Buhl-Mortensen, Pål; Bakkeplass, Kjell Gunnar; Buhl-Mortensen, Lene (Rapport fra havforskningen;2024 - 12, Research report, 2024)
      Miljødirektoratet har bedt Havforskningsinstituttet om å analysere observasjonsdata for søppel på havbunnen for å øke kunnskapen om hvor mye plastavfall utgjør av dette. Mareano kartlegger søppel på havbunnen som del av ...
    • A Pleistocene legacy structures variation in modern seagrass ecosystems 

      Duffy, J. Emmett; Stachowicz, John J.; Reynolds, Pamela L.; Hovel, Kevin A.; Jahnke, Marlene; Sotka, Erik E.; Boström, Christoffer; Boyer, Katharyn E.; Cusson, Mathieu; Eklöf, Johan; Engelen, Aschwin H.; Eriksson, Britas Klemens; Fodrie, F. Joel; Griffin, John N; Hereu, Clara M.; Hori, Masakazu; Hughes, A. Randall; Ivanov, Mikhail V.; Jorgensen, Pablo; Kruschel, Claudia; Lee, Kun-Seop; Lefcheck, Jonathan S.; Moksnes, Per-Olav; Nakaoka, Masahiro; O’Connor, Mary I.; O’Connor, Nessa E.; Orth, Robert J.; Peterson, Bradley J.; Reiss, Henning; Reiss, Katrin; Richardson, J. Paul; Rossi, Francesca; Ruesink, Jennifer L.; Schultz, Stewart T.; Thormar, Jonas; Tomas, Fiona; Unsworth, Richard; Voigt, Erin; Whalen, Matthew A.; Ziegler, Shelby L.; Olsen, Jeanine L. (Peer reviewed; Journal article, 2022)
      Distribution of Earth’s biomes is structured by the match between climate and plant traits, which in turn shape associated communities and ecosystem processes and services. However, that climate–trait match can be disrupted ...
    • Ploidy elicits a whole-genome dosage effect: growth of triploid Atlantic salmon is linked to the genetic origin of the second maternal chromosome set 

      Harvey, Alison C.; Fjelldal, Per Gunnar; Solberg, Monica Favnebøe; Hansen, Tom Johnny; Glover, Kevin (Peer reviewed; Journal article, 2017)
    • Polar cod egg and larval drift patterns in the Svalbard archipelago 

      Eriksen, Elena; Huserbråten, Mats Brockstedt Olsen; Gjøsæter, Harald; Vikebø, Frode Bendiksen; Albretsen, Jon (Journal article; Peer reviewed, 2019)
      Spawning of polar cod (Boreogadus saida) in the vicinity of the Svalbard archipelago has not been directly observed. From the distribution pattern of polar cod 0-group observed during annual monitoring of the Barents Sea, ...
    • Polar cod in jeopardy under the retreating Arctic sea ice 

      Huserbråten, Mats Brockstedt Olsen; Eriksen, Elena; Gjøsæter, Harald; Vikebø, Frode Bendiksen (Journal article; Peer reviewed, 2019)
      The Arctic amplification of global warming is causing the Arctic-Atlantic ice edge to retreat at unprecedented rates. Here we show how variability and change in sea ice cover in the Barents Sea, the largest shelf sea of ...