• Døde og strandete krepsdyr - Nitti tilfeller rapportert til Havforskningsinstituttet i perioden 2014-2020 

      Søvik, Guldborg; Dalpadado, Padmini; Falkenhaug, Tone; Sævik, Pål Næverlid; Jenssen, Maria; Larsen, Marita; Hannisdal, Rita; Rønning, Jon; Olsen, Siri Aaserud; Samuelsen, Ole Bent; Agnalt, Ann-Lisbeth; Thangstad, Trude Hauge; Danielsen, Hanna Ellerine Helle; Grøsvik, Bjørn Einar; Hatland, Siren; Bruvik, Aina; Tjensvoll, Tore; Couillard, Felicia Dawn; Korneliussen, Patrick-Andre (Rapport fra havforskningen;2021 - 3, Research report, 2021)
      Havforskningsinstituttet begynte med en systematisk registrering av innrapporterte funn av strandet krill i 2014. Antall tilfeller var få fra 2014 til 2017, men økte kraftig i 2018 og har siden holdt seg på dette nivået. ...
    • Earlier hatching and slower growth, a key to survival in the early life history of Norwegian spring spawning herring 

      Slotte, Aril; Husebø, Åse; Berg, Florian; Stenevik, Erling Kåre; Folkvord, Arild; Fossum, Petter; Mosegaard, Henrik; Vikebø, Frode Bendiksen; Nash, Richard David Marriott (Journal article; Peer reviewed, 2018)
      Faster growth in fish larvae is often associated with enhanced survival, and here we investigated whether surviving juvenile Norwegian spring spawning herring Clupea harengus L. generally come from a pool of fast-growing ...
    • Earlier or delayed seasonal broodstock spawning changes nutritional status and metabolic programming of growth for next-generation Atlantic salmon 

      Skjærven, Kaja Helvik; Mommens, Maren; Adam, Anne-Catrin; Saito, Takaya; Oveland, Eystein; Espe, Marit (Peer reviewed; Journal article, 2022)
      Atlantic salmon (Salmo salar) breeding companies depend on changing light, temperature and feeding regimes to achieve new generations outside the natural spawning season. However, there have been few conducted trials ...
    • Earlier sea-ice melt extends the oligotrophic summer period in the Barents Sea with low algal biomass and associated low vertical flux 

      Kohlbach, Doreen; Goraguer, Lucie; Bodur, Yasemin V.; Müller, Oliver; Amargant Arumí, Martí; Blix, Katalin; Bratbak, Gunnar; Chierici, Melissa; Dabrowska, Anna Maria; Dietrich, Ulrike; Edvardsen, Bente; Garcia, Laura; Gradinger, Rolf Rudolf; Hop, Haakon; Jones, Elizabeth Marie; Øyvind, Lundesgaard; Olsen, Lasse Mork; Reigstad, Marit; Saubrekka, Karoline; Tatarek, Agnieszka; Wiktor, Josef Maria; Wold, Anette; Assmy, Philipp (Peer reviewed; Journal article, 2023)
      The decrease in Arctic sea-ice extent and thickness as a result of global warming will impact the timing, duration, magnitude and composition of phytoplankton production with cascading effects on Arctic marine food-webs ...
    • Earlier sea-ice melt extends the oligotrophic summer period in the Barents Sea with low algal biomass and associated low vertical flux 

      Kohlbach, Doreen; Goraguer, Lucie; Bodur, Yasemin V.; Müller, Oliver; Amargant Arumí, Martí; Blix, Katalin; Bratbak, Gunnar; Chierici, Melissa; Dabrowska, Anna Maria; Dietrich, Ulrike; Edvardsen, Bente; Martín, Laura; Gradinger, Rolf Rudolf; Hop, Haakon; Jones, Elizabeth Marie; Lundesgaard, Øyvind; Olsen, Lasse Mork; Reigstad, Marit; Saubrekka, Karoline; Tatarek, Agnieszka; Wiktor, Josef Maria; Wold, Anette; Assmy, Philipp (Peer reviewed; Journal article, 2023)
      The decrease in Arctic sea-ice extent and thickness as a result of global warming will impact the timing, duration, magnitude and composition of phytoplankton production with cascading effects on Arctic marine food-webs ...
    • Early life growth is affecting timing of spawning in the semelparous Barents Sea capelin (Mallotus villosus) 

      Berg, Florian; Shirajee, Samina; Folkvord, Arild; Godiksen, Jane Aanestad; Skaret, Georg; Slotte, Aril (Peer reviewed; Journal article, 2021)
      Capelin (Mallotus villosus) is a forage fish and a key species in the Barents Sea (BS). The BS capelin are semelparous and hence only spawn once along the north coasts of Norway and Russia before they die. The age at ...
    • The early marine distribution of Atlantic salmon in the North-east Atlantic: A genetically informed stock-specific synthesis 

      Gilbey, John; Utne, Kjell Rong; Wennevik, Vidar; Beck, Alexander Christian; Kausrud, Kyrre Linné; Hindar, Kjetil; de Leaniz, Carlos Garcia; Cherbonnel, Corrine; Coughlan, Jamie; Cross, Tom F.; Dillane, Eileen; Ensing, Dennis; García-Vázquez, Eva; Hole, Lars Robert; Holm, Marianne; Holst, Jens Christian; Jacobsen, Jan Arge; Jensen, Arne Johan; Karlsson, Sten; Ó Maoiléidigh, Niall; Mork, Kjell Arne; Nielsen, Einar Eg; Nøttestad, Leif; Primmer, Craig R.; Prodöhl, Paulo; Prusov, Sergey; Stevens, Jamie R.; Thomas, Katie; Whelan, Ken; McGinnity, Philip; Verspoor, Eric (Peer reviewed; Journal article, 2021)
      The survival of Atlantic salmon (Salmo salar), an increasingly rare anadromous species, has declined dramatically during its marine phase, with disproportionate impacts on the poorly understood early post-smolt period. ...
    • 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 ...
    • Early postpartum discharge: maternal depression, breastfeeding habits and different follow-up strategies 

      Verpe, Hege; Kjellevold, Marian; Moe, Vibeke; Smith, Lars; Vannebo, Unni Tranaas; Stormark, Kjell Morten; Søvik, Margaret Ljosnes; Skotheim, Siv (Peer reviewed; Journal article, 2018)
    • Early spring subglacial discharge plumes fuel under-ice primary production at a Svalbard tidewater glacier 

      Vonnahme, Tobias; Persson, Emma; Dietrich, Ulrike; Hejdukova, Eva; Dybwad, Christine; Elster, Josef; Chierici, Melissa; Gradinger, Rolf (Peer reviewed; Journal article, 2021)
      Subglacial upwelling of nutrient-rich bottom water is known to sustain elevated summer primary production in tidewater-glacier-influenced fjord systems. However, the importance of subglacial upwelling during the early ...
    • Eastern boundary circulation and hydrography off Angola building Angolan oceanographic capacities 

      Tchipalanga, Pedro C.M.; Dengler, Marcus; Brandt, Peter; Kopte, Robert; Macuéria, Marisa; Coelho, Paulo; Ostrowski, Marek; Keenlyside, Noel (Journal article; Peer reviewed, 2018)
      The eastern boundary region off Angola encompasses a highly productive ecosystem important for the food security of the coastal population. The fish-stock distribution, however, undergoes large variability on intraseasonal, ...
    • Eco-evolutionary dynamics of Atlantic cod spatial behavior maintained after the implementation of a marine reserve 

      Villegas-Ríos, David; Freitas, Carla; Moland, Even; Olsen, Esben Moland (Peer reviewed; Journal article, 2022)
      The effects of marine reserves on the life history and demography of the protected populations are well-established, typically increasing population density and body size. However, little is known about how marine reserves ...
    • Ecological adaptation in Atlantic herring is associated with large shifts in allele frequencies at hundreds of loci 

      Han, Fan; Jamsandekar, Minal; Pettersson, Mats; Su, Leyi; Fuentes-Pardo, Angela P.; Davis, Brian W.; Bekkevold, Dorte; Berg, Florian; Casini, Michele; Dahle, Geir; Farrell, Edward D.; Folkvord, Arild; Andersson, Leif (Peer reviewed; Journal article, 2020)
      Atlantic herring is widespread in North Atlantic and adjacent waters and is one of the most abundant vertebrates on earth. This species is well suited to explore genetic adaptation due to minute genetic differentiation at ...
    • Ecological and evolutionary effects of harvesting: lessons from the candy-fish experiment 

      Diaz Pauli, Beatriz; Heino, Mikko Petteri (Peer reviewed; Journal article, 2013)
    • Ecological Effects and Ecosystem Shifts Caused by Mass Mortality Events on Early Life Stages of Fish 

      Olsen, Erik Joel Steinar; Eide, Cecilie H.; Nilsen, Ina; Perryman, Holly Ann; Vikebø, Frode Bendiksen (Journal article; Peer reviewed, 2019)
      Mass mortality events (MMEs) are a key concern for the management of marine ecosystems. Specific stages and species are at risk and the causes may be single or cumulative pressure from a range of sources including pollutants, ...
    • Ecological effects on food utilization, trypsin isozymes, and performance qualities of growth and maturation in Northeast Arctic cod (Gadus morhua L.) 

      Rungruangsak-Torrissen, Krisna; Thongprajukaew, Karun; Sansuwan, Kanokwan; Thapthimdaeng, Passara; Kovitvadhi, Uthaiwan; Seetaha, Supaporn; Choowongkomon, Kiattawee; Beck, Inger Marie; Arnøy, Ole Oskar (Journal article, 2012)
      The work demonstrates, for the first time, natural biological changes in fish during maturing processes using a unique combination of different biochemical techniques. Northeast Arctic cod caught by demersal trawls were ...
    • Ecological insights into abyssal bentho-pelagic fish at 4000 m depth using a multi-beam echosounder on a remotely operated vehicle 

      Dunlop, Katherine Mary; Benoit-Bird, Kelly J; Waluk, Chad M; Henthorn, Richard G (Peer reviewed; Journal article, 2019)
      Ecological and behavioral data on mobile, low density, benthopelagic animals is difficult to collect in the abyssal environment. However, these species occupy an important position in the abyssal food chain. At-depth ...
    • Ecological network analysis of traits reveals variable response capacity to stress 

      Gladstone-Gallagher, Rebecca V.; Hewitt, Judi E.; Siwicka, Ewa; Gammal, Johanna M.; Brustolin, Marco C.; Norkko, Alf; Pilditch, Conrad A.; Thrush, Simon F. (Peer reviewed; Journal article, 2023)
      Response diversity increases the potential ‘options’ for ecological communities to respond to stress (i.e. response capacity). An indicator of community response diversity is the diversity of different traits associated ...
    • Ecological regime shift in the Northeast Atlantic Ocean revealed from the unprecedented reduction in marine growth of Atlantic salmon 

      Vollset, Knut; Urdal, Kurt; Utne, Kjell Rong; Thorstad, Eva Bonsak; Sægrov, Harald; Raunsgard, Astrid; Skagseth, Øystein; Lennox, Robert; Østborg, Gunnel Marie; Ugedal, Ola; Jensen, Arne Johan; Bolstad, Geir Hysing; Fiske, Peder (Peer reviewed; Journal article, 2022)
      Ecological regime shifts are abrupt changes in the structure and function of ecosystems that persist over time, but evidence of contemporary regime shifts are rare. Historical scale data from 52,384 individual wild Atlantic ...
    • Ecology of mesozooplankton across four North Atlantic basins 

      Strand, Espen; Klevjer, Thor A.; Melle, Webjørn Raunsgård; Knutsen, Tor (Peer reviewed; Journal article, 2020)
      A comparative study of the mesozooplankton in four North Atlantic basins is presented. During a trans-Atlantic expedition with R/V G.O. Sars in May and June 2013, the Norwegian Sea, Iceland Sea, Irminger Sea and Labrador ...