Browsing Vitenskapelige publikasjoner (UiS-HH) by Author "Tveterås, Ragnar"

Now showing items 1-11 of 11

    • Differentiation in the Atlantic salmon industry: A synopsis 

      Cojocaru, Andreea-Laura; Iversen, Audun; Tveterås, Ragnar (Peer reviewed; Journal article, 2020)
      The value chain for farmed salmon has experienced substantial changes over the past decades as a result of innovation in production technology, logistics, distribution and marketing that have helped facilitate the rapid ...

    • Effectuated sustainability: Responsible Innovation Labs for impact forecasting and assessment 

      Coffay, Matthew Mark; Coenen, Lars Martel Antoine; Tveterås, Ragnar (Peer reviewed; Journal article, 2022)
      Considering intractable uncertainties and the wicked nature of many sustainability challenges, there is a need to both forecast and assess the potential for improvements in sustainability with new ventures. While it is ...

    • «Føre var» i laksenæringen: Tid for kollektiv håndtering av underdekning av fiskeolje 

      Steine, Gro; Tveterås, Ragnar; Pettersen, Ivar (NILF Notat;2011-14, Research report, 2011)
      Tilgangen på fiskeolje fra tradisjonelle kilder styres i dag av naturgitte beskrankninger for pelagiske fiskearter. En raskt voksende andel av oljen vil bli brukt til direkte humant konsum. Laksenæringen står derfor overfor ...

    • The impact of parasitic sea lice on harvest quantities and sizes of farmed salmon 

      Zhang, Dengjun; Sogn-Grundvåg, Geir; Tveterås, Ragnar (Peer reviewed; Journal article, 2023-07)
      Sea lice infections are recognized as a primary challenge for both salmon farming and adjacent stocks of wild salmon and sea trout, triggering strict regulations at farm sites and in larger coastal production areas. In ...

    • 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 ...

    • Investigation of growth performance of post-smolt Atlantic salmon (Salmo salar L.) in semi closed containment system: A big-scale benchmark study 

      Øvrebø, Tarald Kleppa; Vigo, Pablo Balseiro; Imsland, Albert; Stefansson, Sigurd Olav; Tveterås, Ragnar; Sveier, Harald; Handeland, Sigurd Olav (Peer reviewed; Journal article, 2022)
      The Norwegian salmon industry faces challenges related to sea lice (Lepeophtheirus salmonis) infestations, escapees, diseases and environmental impact. Semi-closed containment systems (S-CCS) have been proposed to abate ...

    • Områdesamarbeid i norsk havbruk 

      Karlsen, Kine Mari; Robertsen, Roy; Hersoug, Bjørn; Tveterås, Ragnar; Osmundsen, Tonje Cecilie (Nofima rapportserie;, Research report, 2019-11)
      Rapporten beskriver funn fra områdesamarbeid i norsk havbruk i FHF-prosjektet "Havbruksforvaltning 2030". I denne studien er områdesamarbeid definert som "Samarbeid mellom to eller flere næringsaktører i havbruk innenfor ...

    • Regulation of salmon aquaculture towards 2030: Incentives, economic performance and sustainability 

      Tveterås, Ragnar; Misund, Bård; Roche Aponte, Fabian; Pincinato, Ruth Beatriz (Research report, 2020)
      This report discusses how the future regulation of salmon aquaculture can be designed to provide appropriate incentives for producers to innovate and operate such that the Norwegian society achieve sustainable and economic ...

    • 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 ...

    • Risikoeksponering og risikohandtering i matproduksjon. Sammenligning av havbruk og jordbruk. 

      Hegrenes, Agnar; Lien, Gudbrand; Bergfjord, Ole Jakob; Flaten, Ola; Tveterås, Ragnar; Asheim, Leif Jarle (NILF-Report;2008-4, Research report, 2008)
      Denne rapporten er et sammendrag av resultater fra det strategiske forskningsprogrammet «Risikoeksponering og risikohandtering i matproduksjon – sammenligning av havbruk og jordbruk». Hovedmålene for programmet var å: 1 ...

    • Utredning av sirkulærøkonomien i sjømatnæringen, faglig rapport nr. 7-2023, fra NORCE Klima og Miljø 

      Myhr, Anne Ingeborg; Herheim, Christian; Opsahl, Eivind; Helland, Eivind; Dahle, Elise Sæle; Provan, Fiona; Ahi, Julide Ceren; Kjelstrup, Line; Tveterås, Ragnar; Bechmann, Renée Katrin; Blix, Torill Pauline Bakkelund; Landazuri-Tveteraas, Ursula Alejandra (Report, 2023)
      Utredningen har fremskaffet et bredt kunnskapsgrunnlag for videre arbeid innen sirkulær økonomi i sjømatnæringen. Arbeidet har identifisert status, kunnskapsbehov, muligheter og utfordringer for at næringen skal nå ...