Browsing Institutt for biologi by Journals "Frontiers in Marine Science"

Now showing items 21-38 of 38

    • Incorporation of feed and fecal waste from salmon aquaculture in great scallops (Pecten Maximus) co-fed by different algal concentrations 

      Bergvik, Maria; Stensås, Lene; Handå, Aleksander; Reitan, Kjell Inge; Strand, Øivind; Olsen, Yngvar (Journal article; Peer reviewed, 2019)
      Juvenile scallops of Pecten maxiumus were studied to see the capability to clear out and incorporate salmon feed and feces (30 µg L-1). Algae were also given, in a low and high concentration in addition to feed and faeces, ...

    • Influence of nitrogen limitation on lipid accumulation and EPA and DHA content in four marine microalgae for possible use in aquafeed 

      Wang, Xinxin; Fosse, Hilde Karoline; Li, Keshuai; Chauton, Matilde Skogen; Vadstein, Olav; Reitan, Kjell Inge (Journal article; Peer reviewed, 2019)
      Microalgae are regarded as a promising alternative that can replace fishmeal and fish oil in aquaculture. Under N-limitation, many microalgae species change their carbon storage patterns in favor of neutral lipids (NLs) ...

    • Light regulation of LHCX genes in the benthic diatom Seminavis robusta 

      Blommaert, Lander; Vancaester, Emmelien; Huysman, Marie J.J.; Osuna, Cristina; D'hondt, Sofie; Lavaud, Johann; Lepetit, Bernard; Winge, Per; Bones, Atle M.; Vandepoele, Klaas; Vyverman, Wim; Sabbe, Koen (Peer reviewed; Journal article, 2020)
      Intertidal benthic diatoms experience a highly variable light regime, which especially challenges these organisms to cope with excess light energy during low tide. Non-photochemical quenching of chlorophyll fluorescence ...

    • A New Network for the Advancement of Marine Biotechnology in Europe and Beyond 

      Rotter, Ana; Bacu, Ariola; Barbier, Michèle; Bertoni, Francesco; Bones, Atle M.; Cancela, M. Leonor; Carlsson, Jens; Carvalho, Maria F.; Ceglowska, Marta; Dalay, Meltem Conk; Dailianis, Thanos; Deniz, Irem; Drakulovic, Dragana; Dubnika, Arita; Einarsson, Hjörleifur; Erdogan, Aysegül; Eroldogan, Orhan Tufan; Ezra, David; Fazi, Stefano; FitzgGerald, Richard J.; Gargan, Laura M.; Gaudêncio, Susana P.; DeNardis, Nadica Ivosevic; Joksimovic, Danijela; Katarzyte, Marija; Kotta, Jonne; Mandalakis, Manolis; Matijosyte, Inga; Mazur-Mazec, Hanna; Massa-Gallucci, Alexia; Meheri, Mohamed; Nielsen, Søren L.; Novoveska, Lucie; Overlinge, Donata; Portman, Michelle E.; Pyrc, Krzysztof; Rebours, Celine; Reinsch, Thorsten; Reyes, Fernando; Rinkevich, Baruch; Robbens, Johan; Rudovica, Vita; Sabotic, Jerica; Safarik, Ivo; Talve, Siret; Tasdemir, Deniz; Schneider, Xenia T.; Thomas, Olivier P.; Torunska-Sitarz, Anna; Varese, Giovanna C.; Vasquez, Marlen I. (Peer reviewed; Journal article, 2020)
      Marine organisms produce a vast diversity of metabolites with biological activities useful for humans, e.g., cytotoxic, antioxidant, anti-microbial, insecticidal, herbicidal, anticancer, pro-osteogenic and pro-regenerative, ...

    • Occurrence and Habitat Characteristics of Aurelia sp. Polyps in a High-Latitude Fjord 

      Matias, Rekstad; Sanna, Majaneva; Åshild L., Borgersen; Aberle-Malzahn, Nicole (Peer reviewed; Journal article, 2021)
      Causes and consequences of jellyfish bloom formation are subject to controversial discussions worldwide. While medusae have been studied to a broader extent, the knowledge on polyp stages of scyphozoans is limited thus ...

    • Phenylalanine Hydroxylase RNAi Knockdown Negatively Affects Larval Development, Molting and Swimming Performance of Salmon Lice 

      Guragain, Prashanna; Sporsheim, Bjørnar; Skjesol, Astrid; Båtnes, Anna Solvang; Olsen, Yngvar; Bones, Atle M.; Winge, Per (Peer reviewed; Journal article, 2020)
      Phenylalanine hydroxylase (PAH) is a crucial enzyme involved in tyrosine biosynthesis, having roles in neurological and physiological processes. The purpose of PAH has received little attention in crustaceans despite ...

    • Planktonic and Parasitic Sea Lice Abundance on Three Commercial Salmon Farms in Norway Throughout a Production Cycle 

      Jevne, Lone Sunniva; Guttu, Ane Maria; Båtnes, Anna Solvang; Olsen, Yngvar; Reitan, Kjell Inge (Peer reviewed; Journal article, 2021)
      The present article reports the densities of planktonic sea lice (Lepeophtheirus salmonis and Caligus elongatus) in three Atlantic salmon (Salmo salar) localities, and the relationship between the abundance of adult sea ...

    • Principles and Methods of Counteracting Harmful Salmon–Arthropod Interactions in Salmon Farming: Addressing Possibilities, Limitations, and Future Options 

      Guragain, Prashanna; Tkachov, Max; Båtnes, Anna Solvang; Olsen, Yngvar; Winge, Per; Bones, Atle M. (Peer reviewed; Journal article, 2021)
      The arthropod salmon louse (Lepeophtheirus salmonis) is a major threat to Atlantic salmon aquaculture and wild salmonids. Essentially like in monoculture, very high concentrations of susceptible hosts may result in high ...

    • Rare earth element distribution in the ne Atlantic: Evidence for benthic sources, longevity of the seawater signal, and biogeochemical cycling 

      Crocket, Kirsty C; Hill, Emily Jane; Abell, Richard; Johnson, Clare; Gary, Stefan F; Brand, Tim; Hathorne, Ed C. (Journal article; Peer reviewed, 2018)
      Seawater rare earth element (REE) concentrations are increasingly applied to reconstruct water mass histories by exploiting relative changes in the distinctive normalised patterns. However, the mechanisms by which water ...

    • Remote Sensing of the Tautra Ridge: An Overview of the World’s Shallowest Cold-Water Coral Reefs 

      Mogstad, Aksel Alstad; Løvås, Håvard; Sture, Øystein; Johnsen, Geir; Ludvigsen, Martin (Peer reviewed; Journal article, 2022)
      On the Tautra Ridge – a 39-100 m deep morainic sill located in the middle of the Trondheimsfjord, Norway – some of the world’s shallowest known occurrences of the scleractinian cold-water coral (CWC) Desmophyllum pertusum ...

    • The role of manipulating photoperiod and temperature in oocyte development of the polychaete hediste diversicolor (O.F. Müller, 1976) 

      Wang, Haiqing; Hagemann, Andreas; Malzahn, Arne; Handå, Aleksander; Uhre, Marianne; Kjørsvik, Elin; Reitan, Kjell Inge (Peer reviewed; Journal article, 2020)
      Three different experiments were conducted to examine the oocyte development of the polychaete Hediste diversicolor in response to changing photoperiod and temperature at three different periods of oogenesis. In experiment ...

    • Seabird Migration Strategies: Flight Budgets, Diel Activity Patterns, and Lunar Influence 

      Bonnet-Lebrun, Anne-Sophie; Dias, Maria P.; Phillips, Richard A.; Granadeiro, José P.; de L. Brooke, M.; Chastel, Olivier; Clay, Thomas A.; Fayet, Annette L.; Gilg, Olivier; González-Solís, Jacob; Guilford, Tim; Hanssen, Sveinn Are; Hedd, April; Jaeger, Audrey; Krietsch, Johannes; Lang, Johannes; Le Corre, Matthieu; Militao, Teresa; Moe, Børge; Montevecchi, William A.; Peter, Hans-Ulrich; Pinet, Patrick; Rayner, Matt J.; Reid, Tim; Reyes-González, José Manuel; Ryan, Peter G.; Sagar, Paul M.; Schmidt, Niels M.; Thompson, David R.; van Bemmelen, Rob; Watanuki, Yutaka; Weimerskirch, Henri; Yamamoto, Takashi; Catry, Paulo (Peer reviewed; Journal article, 2021)
      Every year, billions of birds undertake extensive migrations between breeding and non-breeding areas, facing challenges that require behavioural adjustments, particularly to flight timing and duration. Such adjustments in ...

    • Seasonal Variability in the Zooplankton Community Structure in a Sub-Arctic Fjord as Revealed by Morphological and Molecular Approaches 

      Coguiec, Estelle; Ershova, Elizaveta; Daase, Malin; Vonnahme, Tobias R.; Wangensteen, Owen S.; Gradinger, Rolf; Præbel, Kim; Berge, Jørgen (Peer reviewed; Journal article, 2021)
      Phyto- and zooplankton in Arctic and sub-Arctic seas show very strong seasonal changes in diversity and biomass. Here we document the seasonal variability in the mesozooplankton community structure in a sub-Arctic fjord ...

    • Shallow-Water Scavengers of Polar Night and Day – An Arctic Time-Lapse Photography Study 

      Bałazy, Piotr; Anderson, Marti J.; Chełchowski, Maciej; Włodarska-Kowalczuk, Maria; Kukliński, Piotr; Berge, Jørgen (Journal article; Peer reviewed, 2021)
      Until recently, polar night constituted truly a “mare incognitum” of our times. Yet, the first records from this very little-explored period showcased a surprisingly rich and active ecosystem. This investigation aims to ...

    • Source level of Antarctic blue and fin whale sounds recorded on sonobuoys deployed in the deep-ocean Off Antarctica 

      Miller, Brian S; Calderan, Susannah; Leaper, Russell; Miller, Elanor J; Sirovic, Ana; Stafford, Kathleen M.; Bell, Elanor; Double, Michael C (Peer reviewed; Journal article, 2021)
      The source levels, SL, of Antarctic blue and fin whale calls were estimated using acoustic recordings collected from directional sonobuoys deployed during an Antarctic voyage in 2019. Antarctic blue whale call types included ...

    • The Effect of Essential Fatty Acids for the Somatic Growth in Nauplii of Calanus finmarchicus 

      Leiknes, Øystein; Siv Anina, Etter; Nils Egil, Tokle; Maria, Bergvik; Vadstein, Olav; Olsen, Yngvar (Journal article; Peer reviewed, 2016)

    • The Potential for Upscaling Kelp(Saccharina latissima) Cultivation in Salmon-Driven Integrated Multi-Trophic Aquaculture (IMTA) 

      Fossberg, Julia; Forbord, Silje; Broch, Ole Jacob; Malzahn, Arne; Jansen, Henrice M; Handå, Aleksander; Førde, Henny; Bergvik, Maria; Fleddum, Anne Lise; Skjermo, Jorunn; Olsen, Yngvar (Journal article; Peer reviewed, 2018)
      Integrated multi-trophic aquaculture (IMTA) has the potential of reducing open-cage fish farming impacts on the environment while also introducing new value chains. The aim of this study was to investigate the growth and ...

    • Tracking jellyfish swarm origins using a combined oceanographic-genetic-citizen science approach 

      Edelist, Dor; Knutsen, Øyvind; Ellingsen, Ingrid H.; Majaneva, Sanna; Aberle-Malzahn, Nicole; Dror, Hila; Angel, Dror L. (Peer reviewed; Journal article, 2022)
      Biological invasions of jellyfish may critically affect ecosystems and ecosystem services, yet their complex life cycle makes tracking their origins and dispersal vectors a challenging task. Here we combine citizen science ...