Brage IMR: Recent submissions

Now showing items 1-20 of 11369

    • From Winter to Late Summer in the Northwestern Barents Sea Shelf: Impacts of Seasonal Progression of Sea Ice and Upper Ocean on Nutrient and Phytoplankton Dynamics 

      Koenig, Zoe Charlotte; Muilwijk, Morven; Sandven, Håkon Johan; Lundesgaard, Øyvind; Assmy, Philipp Kurt Wolf; Lind, Sigrid Gjessing; Assmann, Karen; Chierici, Melissa; Fransson, Agneta; Gerland, Sebastian; Jones, Elizabeth Marie; Renner, Angelika; Granskog, Mats (Peer reviewed; Journal article, 2023)
      Strong seasonality is a key feature of high-latitude systems like the Barents Sea. While the interannual variability and long-term changes of the Barents Sea are well-documented, the seasonal progression of the physical ...

    • Still Arctic? — The changing Barents Sea 

      Gerland, Sebastian; Ingvaldsen, Randi Brunvær; Reigstad, Marit; Sundfjord, Arild; Bogstad, Bjarte; Chierici, Melissa; Hop, Haakon; Renaud, Paul Eric; Smedsrud, Lars Henrik; Stige, Leif Christian; Årthun, Marius; Berge, Jørgen; Bluhm, Bodil Annikki Ulla Barbro; Borgå, Katrine; Bratbak, Gunnar; Divine, Dmitry V; Eldevik, Tor; Eriksen, Elena; Fer, Ilker; Fransson, Agneta; Gradinger, Rolf Rudolf; Granskog, Mats A.; Haug, Tore; Husum, Katrine; Johnsen, Geir; Jonassen, Marius Opsanger; Jørgensen, Lis Lindal; Kristiansen, Svein; Larsen, Aud; Lien, Vidar Surén; Lind, Sigrid; Lindstrøm, Ulf Ove; Mauritzen, Cecilie; Melsom, Arne; Mernild, Sebastian H.; Müller, Malte; Nilsen, Frank; Primicerio, Raul; Søreide, Janne; van der Meeren, Gro Ingleid; Wassmann, Paul (Peer reviewed; Journal article, 2023)
      The Barents Sea is one of the Polar regions where current climate and ecosystem change is most pronounced. Here we review the current state of knowledge of the physical, chemical and biological systems in the Barents Sea. ...

    • Annotating otoliths with a deep generative model 

      Bojesen, Troels Arnfred; Denechaud, Côme; Malde, Ketil (Peer reviewed; Journal article, 2023)
      Otoliths are a central information source for fish ecology and stock management, conveying important data about age and other life history for individual fish. Traditionally, interpretation of otoliths has required skilled ...

    • Environmentally realistic concentrations of chlorinated, brominated, and fluorinated persistent organic pollutants induce the unfolded protein response as a shared stress pathway in the liver of Atlantic cod (Gadus morhua) 

      Olsvik, Pål Asgeir; Meier, Sonnich; Zhang, Xiaokang; Goksøyr, Anders; Karlsen, Odd André; Yadetie, Fekadu (Peer reviewed; Journal article, 2023)
      In the North Sea and North Atlantic coastal areas, fish experience relatively high background levels of persistent organic pollutants. This study aimed to compare the mode of action of environmentally relevant concentrations ...

    • Half a century of high-latitude fisheries oceanography research on the "recruitment problem" in Northeast Arctic cod (Gadus morhua) 

      Kjesbu, Olav Sigurd; Tiedemann, Maik; Alix, Maud; Thorsen, Anders; Sundby, Svein (Peer reviewed; Journal article, 2023)
      Predicting recruitment in a reliable fashion is a great challenge within operational fisheries advice. Here, we consulted the unique but undercommunicated IMR Cod Larva Project (1975–1990), its spin-offs, placed in an ...

    • Fit-for-Purpose Information for Offshore Wind Farming Applications—Part-II: Gap Analysis and Recommendations 

      Schulz-Stellenfleth, Johannes; Blauw, Anouk; Laakso, Lauri; Mourre, Baptiste; She, Jun; Wehde, Henning (Peer reviewed; Journal article, 2023)
      Offshore wind energy installations in coastal areas have grown massively over the last decade. This development comes with a large number of technological, environmental, economic, and scientific challenges, which need to ...

    • Fluctuating Atlantic inflows modulate Arctic atlantification 

      Polyakov, Igor V.; Ingvaldsen, Randi Brunvær; Pnyushkov, Andrey V.; Bhatt, Uma S.; Francis, Jennifer A.; Janout, Markus; Kwok, Ronald; Skagseth, Øystein (Peer reviewed; Journal article, 2023)
      Enhanced warm, salty subarctic inflows drive high-latitude atlantification, which weakens oceanic stratification, amplifies heat fluxes, and reduces sea ice. In this work, we show that the atmospheric Arctic Dipole (AD) ...

    • Effects of local density dependence and temperature on the spatial synchrony of marine fish populations 

      Marquez, Jonatan; Herfindal, Ivar; Sæther, Bernt-Erik; Aanes, Sondre; Salthaug, Are; Lee, Aline Magdalena (Peer reviewed; Journal article, 2023)
      Disentangling empirically the many processes affecting spatial population synchrony is a challenge in population ecology. Two processes that could have major effects on the spatial synchrony of wild population dynamics are ...

    • Atlantification influences zooplankton communities seasonally in the northern Barents Sea and Arctic Ocean 

      Wold, Anette; Hop, Haakon; Svensen, Camilla; Søreide, Janne; Assmann, Karen M.; Ormanzcyk, Mateusz; Kwaśniewski, Sławomir (Peer reviewed; Journal article, 2023)
      The Barents Sea is undergoing rapid ocean warming with less sea ice and increased Atlantic inflow, shifting the pelagic ecosystem towards a more boreal one, a process referred to as Atlantification. While such changes have ...

    • Host genotype and microbiome associations in co-occurring clonal and non-clonal kelp, Ecklonia radiata 

      Vadillo Gonzalez, Sebastian; Vranken, Sofie; Coleman, Melinda A.; Wernberg, Thomas; Steinberg, Peter D.; Marzinelli, Ezequiel M. (Peer reviewed; Journal article, 2023)
      A fundamental question in holobiont biology is the extent to which microbiomes are determined by host characteristics regulated by their genotype. Studies on the interactions of host genotype and microbiomes are emerging ...

    • 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 ...

    • Salmon lice dispersal and population model for management strategy evaluation 

      Kragesteen, Tróndur J.; Johannesen, Tróndur T.; Sandvik, Anne Dagrun; Andersen, Ken H.; Johnsen, Ingrid Askeland (Peer reviewed; Journal article, 2023)
      Modern marine salmon aquaculture includes management of salmon lice (Lepeophtheirus salmonis) infestations. Moving from a reactive delousing treatment effort to a proactive preventive strategy requires a simulation tool ...

    • Early ontogeny of the lesser sandeel (Ammodytes marinus) 

      Perrichon, Prescilla; Bjelland, Reidun Marie; Durif, Caroline; Fiksdal, Ingrid Uglenes; Johnsen, Espen; Skiftesvik, Anne Berit; Cresci, Alessandro; Browman, Howard; Sørhus, Elin (Peer reviewed; Journal article, 2023)
      Background Lesser sandeel (Ammodytes marinus) is widely distributed in North Sea ecosystems. Sandeel acts as a critical trophic link between zooplankton and top predators (fish, mammals, sea birds). Because they live buried ...

    • Kartlegging av østersbestander i Rogaland i 2021 og 2023 - innsamling av data som grunnlag for bestandsforvaltning 

      Mortensen, Stein; Bøgwald, Mats; Strohmeier, Tore; Strand, Øivind; Larsson, Sigmund B.; Laugen, Ane Timenes; Reamon, Molly Claire; Marcussen, Johanna Bjånes (Rapport fra havforskningen;2023 - 55, Research report, 2023)
      Flatøstersen, Ostrea edulis, er utbredt fra Marokko i syd, i Middelhavet, Svartehavet og langs kysten av Europa, nord til Vest-Norge. I det meste av utbredelsesområdet er bestandene kraftig redusert på grunn av overhøsting, ...

    • Life in the fast lane: Revisiting the fast growth—High survival paradigm during the early life stages of fishes 

      Robert, Dominique; Shoji, Jun; Sirois, Pascal; Takasuka, Akinori; Catalán, Ignacio A.; Folkvord, Arild; Ludsin, Stuart A.; Peck, Myron A.; Sponaugle, Su; Ayón, Patricia M.; Brodeur, Richard D.; Campbell, Emily Y.; D'Alessandro, Evan K.; Dower, John F.; Fortier, Louis; García, Alberto G.; Huebert, Klaus B.; Hufnagl, Marc; Ito, Shin-ichi; Joh, Mikimasa; Juanes, Francis; Nyuji, Mitsuo; Oozeki, Yoshioki; Plaza, Guido; Takahashi, Motomitsu; Tanaka, Yosuke; Tojo, Naoki; Watari, Shingo; Yasue, Naotaka; Pepin, Pierre (Peer reviewed; Journal article, 2023)
      Early life survival is critical to successful replenishment of fish populations, and hypotheses developed under the Growth-Survival Paradigm (GSP) have guided investigations of controlling processes. The GSP postulates ...

    • New insights into the Barents Sea Calanus glacialis population dynamics and distribution 

      Aarflot, Johanna Myrseth; Eriksen, Elena; Prokopchuk, Irina P.; Svensen, Camilla; Søreide, Janne; Wold, Anette; Skogen, Morten D. (Peer reviewed; Journal article, 2023)
      Arctic copepods are major grazers and vital food for planktivores in polar ecosystems but challenging to observe due to remoteness and seasonal sea ice coverage. Models offer higher spatio-temporal resolution, and ...

    • Utvikling av et miljø- og ressursvennlig teinefiske etter snøkrabbe - Økt fangsteffektivitet, selektivitet og velferd 

      Humborstad, Odd Børre; Anders, Neil; Jørgensen, Terje; Løkkeborg, Svein; Saltskår, Jostein; Schuster, Erik; Ingólfsson, Ólafur Arnar; Siikavuopio, Sten Ivar; Hustad, Anette; Thesslund, Tina (Rapport fra havforskningen;2023 - 51, Research report, 2023)
      Prosjektet «Utvikling av et miljø- og ressursvennlig teinefiske etter snøkrabbe» har bestått av fire arbeidspakker og ble gjennomført som en kombinasjon av atferdsforsøk i lab og fiskeforsøk i felt. I den første arbeidspakken ...

    • Acoustic micronektonic distribution and density is structured by macroscale oceanographic processes across 17–48° N latitudes in the North Atlantic Ocean 

      García-Seoane, Eva; Klevjer, Thor A.; Mork, Kjell Arne; Agersted, Mette Dalgaard; Macaulay, Gavin; Melle, Webjørn Raunsgård (Peer reviewed; Journal article, 2023)
      This study investigates the large-scale distribution patterns of the acoustic scattering layers and micronekton density across the Northeast Atlantic Ocean during daylight hours. A research cruise on board R/V “Kronprins ...

    • Assessments of epidemic spread in aquaculture: comparing different scenarios of infectious bacteria incursion through spatiotemporal hybrid modeling 

      Roh, HyeongJin; Kannimuthu, Dhamotharan (Peer reviewed; Journal article, 2023)
      The sustainable development of the aquaculture sector is at risk due to the significant challenges posed by many emerging infectious diseases. While disease prevention and control measures are becoming increasingly critical, ...

    • Influence of Shelf Break Processes on the Transport of Warm Waters Onto the Eastern Amundsen Sea Continental Shelf 

      Azaneu, Marina; Webber, Benjamin; Heywood, Karen J.; Assmann, Karen; Dotto, Tiago S.; Abrahamsen, E. Povl (Peer reviewed; Journal article, 2023)
      The heat transported onto the continental shelf by Circumpolar Deep Water (CDW) is the main driver of ice shelf basal melting in the Amundsen Sea. Here, we investigate the slope current system and the variability of the ...