• Comparative study of circular and square gravity-based fish cages with different dimensions under pure current conditions 

      Mjåtveit, Magnus Aske; Cheng, Hui; Ong, Muk Chen; Lee, Jihoon (Peer reviewed; Journal article, 2021-12)
      Two typical gravity-based fish cages with circular and square shapes are modeled in the present study to compare their cage deformations, cultivation volumes and drag forces under different pure current conditions. Two hy ...
    • The decline of mussel aquaculture in the European Union: causes, economic impacts and opportunities 

      Avdelas, Lamprakis; Avdic-Mravlje, Edo; Borges Marques, Ana Cristina; Cano, Suzana; Capelle, Jacob J.; Carvalho, Natacha; Cozzolino, Maria; Dennis, John; Ellis, Tim; Fernández Polanco, José M.; Guillen, Jordi; Lasner, Tobias; Le Bihan, Véronique; Llorente, Ignacio; Mol, Arie; Nicheva, Simona; Nielsen, Rasmus; van Oostenbrugge, Hans; Villasante, Sebastian; Visnic, Svjetlana; Zhelev, Kolyo; Asche, Frank (Peer reviewed; Journal article, 2021-01)
      In contrast to the increasing aquaculture production of mussels worldwide, production in the European Union (EU) has shown a decreasing trend over the last two decades. Aquaculture production of mussels in the EU peaked ...
    • Efficiency in Chinese large yellow croaker aquaculture: Implication for sustainable aquaculture in China 

      Liu, Yiyang; Tveteraas, Sigbjørn Landazuri; Xie, Jinghua (Peer reviewed; Journal article, 2021-12)
      Aquaculture supply from China has been a remedy to meet the growing global demand for seafood in the last decades. However, output growth has decreased dramatically in China in the 2000s. Previous literature focuses on the ...
    • Evaluation of photodegradable chitin synthetase inhibitors for the treatment of salmon lice (Lepeophtheirus salmonis) 

      Sydnes, Magne Olav; Eikemo, Vebjørn; Espedal, Per Gunnar; Sydnes, Leiv K.; Nilsen, Frank (Peer reviewed; Journal article, 2023)
      Some photolabile ethanolamine analogues of the chitin synthetase inhibitors diflubenzuron, teflubenzuron, and lufenuron were tested for activity as anti-lice compounds towards salmon lice (Lepeophtheirus salmonis). Two ...
    • Factors influencing production loss in salmonid farming 

      Pincinato, Ruth Beatriz; Asche, Frank; Bleie, Hogne; Skrudland, Aud; Stormoen, Marit (Peer reviewed; Journal article, 2021-02)
      Using a unique dataset, this paper investigates factors influencing production loss in Norwegian salmonid farming. The factors can be grouped into fish-specific factors (e.g. species, genetics, and generation), input factors ...
    • Fishing tactics and fish quality: The case of the coastal fishery for Atlantic cod in Norway 

      Sogn-Grundvåg, Geir; Zhang, Dengjun; Henriksen, Edgar; Joensen, Sjúrður; Bendiksen, Bjørn Inge; Hermansen, Øystein (Peer reviewed; Journal article, 2021-11)
      This study examined the effects of key fishing tactics such as the choice of fishing gear and catch size, an indicator of swift and intense fishing, on the quality of landed fish. The effects of changes in yearly TACs, and ...
    • Implications of Entry Restrictions to Address Externalities in Aquaculture: The Case of Salmon Aquaculture 

      Soini, Vesa-Heikki; Øglend, Atle (Peer reviewed; Journal article, 2020-10)
      This paper investigates production license management when regulation constrains the number of production licenses to address production externalities. This is increasingly relevant for aquaculture production where disease ...
    • Innovation in the Norwegian aquaculture industry 

      Afewerki, Samson; Asche, Frank; Misund, Bård; Thorvaldsen, Trine; Tveterås, Ragnar (Peer reviewed; Journal article, 2022-11)
      Global aquaculture production has grown very rapidly in recent decades. This is largely due to a number of innovations that has increased the control with the production process and competitiveness. These innovations come ...
    • Measuring potential rents in the North Sea herring fishery 

      Arnason, Ragnar; Bjørndal, Trond; Gordon, Daniel Vernon; Bezabih, Mintewab (Journal article; Peer reviewed, 2018)
      This paper assesses the potential for rent generation in the North Sea herring fishery. The assessment distinguishes between rents and intra-marginal profits—the sum of which constitutes variable profits in the fishery. A ...
    • Numerical simulation of oxygen transport in land-based aquaculture tank 

      Yin, Guang; Ong, Muk Chen; Lee, Jihoon; Kim, Taeho (Peer reviewed; Journal article, 2021-10)
      Dissolved oxygen is an important indicator of the water quality and important for fish survival in aquaculture. The distribution of the dissolved oxygen is highly dependent on the flow motions, the pressure and the temperature ...
    • Research-based innovation for sustainable development: the case of aquaculture 

      Coffay, Matthew Mark; Tveterås, Ragnar (Chapter, 2023)
      Cutting emissions and preserving biodiversity requires innovations and investments at a scale and speed with no historical peacetime precedent. The challenges are complex, with a need for new knowledge and innovation which ...
    • Serving the industry or undermining the regulatory system? The use of special purpose licenses in Norwegian salmon aquaculture 

      Hersoug, Bjørn; Olsen, Marit Schei; Gauteplass, Asle Årthun; Osmundsen, Tonje C.; Asche, Frank (Peer reviewed; Journal article, 2021-05)
      Aquaculture governance can be challenging as a number of stakeholders have different objectives and visions for the industry. A license is an important tool in ensuring an orderly development of an industry, providing ...
    • Typical hydrodynamic models for aquaculture nets: A comparative study under pure current conditions 

      Cheng, Hui; Li, Lin; Aarsæther, Karl Gunnar; Ong, Muk Chen (Peer reviewed; Journal article, 2020-03)
      The net is regarded as the most critical component in marine aquaculture facilities as it is the only barrier which protects the environment from fish escapes. Accurate predictions of the net cage deformation and drag force ...
    • Understanding the role of the shrimp gut microbiome in health and disease 

      Holt, Corey; Bass, David; Stentiford, Grant D.; van der Giezen, Mark (Peer reviewed; Journal article, 2020-04)
      With rapid increases in the global shrimp aquaculture sector, a focus on animal health during production becomes ever more important. Animal productivity is intimately linked to health, and the gut microbiome is becoming ...