Now showing items 717-736 of 928

    • Radiological detection of nephrocalcinosis in farmed Atlantic salmon Salmo salar L. 

      Klykken, Christine; Dalum, Alf Seljenes; Reed, Anne Katrine; Attramadal, Kari; Olsen, Rolf Erik; Boissonnot, Lauris Jeannine Ernestine (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-08-14)
      Nephrocalcinosis is a common disorder in nurseries in Norway (Klykken, Reed, et al., 2022) and was reported as one of the main welfare challenges in farmed salmon by The Norwegian Fish Health Report of 2019 (Sommerset et al., 2020). Nephrocalcinosis is described as deposits of minerals within the kidneys (Bruno, 1996), that can disturb kidney function, which in turn can have dramatic consequences ...
    • Ranking of substances for monitoring in foods, drinks and dietary supplements - based on risk and knowledge gaps 

      Steffensen, Inger-Lise; Fæste, Christiane Kruse; Husøy, Trine; Knutsen, Helle Katrine; Mathisen, Gro Haarklou; Ørnsrud, Robin; Agdestein, Angelika; Bodin, Johanna Eva; Elvevoll, Edel O.; Hessen, Dag Olav; Hofshagen, Merete; Krogdahl, Åshild; Nilsen, Asbjørn Magne; Rafoss, Trond; Skjerdal, Olaug Taran; Velle, Gaute; Wasteson, Yngvild; Hemre, Gro Ingunn; Vandvik, Vigdis; Alexander, Jan (Research report; Forskningsrapport, 2019)
      The Norwegian Food Safety Authority (NFSA) requested the Norwegian Scientific Committee for Food and Environment (VKM) to provide an overview of substances in foods, drinks and dietary supplements that may constitute a potential health risk for humans, based on the VKM members’ expert judgements. VKM was further requested to perform a ranking of these substances. Additionally, VKM should ...
    • RAT-RS: a reporting standard for improving the documentation of data use in agent-based modelling 

      Achter, Sebastian; Borit, Melania; Chattoe-Brown, Edmund; Siebers, Peer-Olaf (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-30)
      This article describes and justifies a reporting standard to improve data use documentation in Agent-Based Modelling. Following the development of reporting standards for models themselves, empirical modelling has now developed to the point where these standards need to take equally effective account of data use (which previously has tended to be an afterthought to model description). It is ...
    • Rebuilding the Northeast Arctic Cod Fisheries - Economic and Social Issues 

      Armstrong, Claire W.; Eide, Arne; Flaaten, Ola; Heen, Knut; Kaspersen, Inga Wigdahl (Journal article; Tidsskriftartikkel; Peer reviewed, 2014)
      The Northeast Arctic cod (NEA cod) fisheries in Norway are now one of the richest cod fisheries in the world. In the past the fishery has experienced several stock declines and low economic returns. In this paper we review management approaches applied over 20 years to address one of the most severe crises in the fishery. Emphasis is on management strategies and the measures carried out to ensure ...
    • Recent progress in marine mycological research in different countries, and prospects for future developments worldwide 

      Pang, Ka-Lai; Jones, E. B. Gareth; Abdel-Wahab, Mohamed A.; Adams, Sarah J.; Alves, Artur; Azevedo, Egídia; Bahkali, Ali H.; Barata, Margarida; Burgaud, Gaëtan; Fryar, Sally C.; González, Maria C.; Jin, Jing; Mehiri, Mohamed; Meslet-Cladiére, Laurence; Prado, Soizic; Rämä, Teppo; Reich, Marlis; Roullier, Catherine; Sarma, Vemuri Venkateswara; Tibell, Leif; Tibell, Sanja; Velez, Patricia; Walker, Allison K. (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-06-27)
      Early research on marine fungi was mostly descriptive, with an emphasis on their diversity and taxonomy, especially of those collected at rocky shores on seaweeds and driftwood. Subsequently, further substrata (e.g. salt marsh grasses, marine animals, seagrasses, sea foam, seawater, sediment) and habitats (coral reefs, deep-sea, hydrothermal vents, mangroves, sandy beaches, salt marshes) were explored ...
    • Recent warming causes functional borealization and diversity loss in deep fish communities east of Greenland 

      Emblemsvåg, Margrete; Pecuchet, Laurene; Velle, Liv Guri; Nogueira, Adriana; Primicerio, Raul (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-07-13)
      Aim: We assessed temporal trends in functional diversity of the deep-sea demersal fish communities of East Greenland to characterize ecological responses to rising sea temperatures.<p> <p>Location: The study region encompasses a shelf and slope area located offshore between 63°N and 66°N, east of Greenland. <p>Methods: A unique dataset of demersal fish abundance covering a depth range of 1500 m ...
    • Reconciling ecological and engineering design principles for building microbiomes 

      Bernstein, Hans Christopher (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-05-28)
      Simplified microbial communities, or “benchtop microbiomes,” enable us to manage the profound complexity of microbial ecosystems. Widespread activities aiming to design and control communities result in novel resources for testing ecological theories and also for realizing new biotechnologies. There is much to be gained by reconciling engineering design principles with ecological processes that shape ...
    • Reconstructing governability: How fisheries are made governable 

      Song, Andrew M.; Johnsen, Jahn Petter; Morrison, Tiffany (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-12-15)
      Governability is an important concept in the political and environmental social sciences with increasing application to socio‐ecological systems such as fisheries. Indeed, governability analyses of fisheries and related systems such as marine‐protected areas have generated innovative ways to implement sustainability ideals. Yet, despite progress made, we argue that there remain limitations in current ...
    • Recovery from exhaustive swimming and its effect on fillet quality in haddock (Melanogrammus aeglefinus) 

      Karlsson-Drangsholt, Anders; Svalheim, Ragnhild Aven; Aas-Hansen, Øyvind; Olsen, Stein Harris; Midling, Kjell Øivind; Breen, Michael; Grimsbø, Endre; Johnsen, Helge K. (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-10-08)
      Wild haddock (<i>Melanogrammus aeglefinus</i>) of commercial size (0.8–2.49 kg, 45–60 cm) were swum to exhaustion in a large swim tunnel and then allowed to recuperate for 0, 3 or 6 h, to investigate the effects of exhaustive swimming on blood glucose, blood lactate and post mortem development of fillet quality. There was a positive linear relationship between critical (aerobic) swimming speed ...
    • Recruitment to the Norwegian fishing fleet: storylines, paradoxes, and pragmatism in Norwegian fisheries and recruitment policy 

      Sønvisen, Signe Annie (Journal article; Tidsskriftartikkel; Peer reviewed, 2013)
      The majority of actors in the Norwegian fisheries consider recruitment of fishers to be the main future challenge for the Norwegian fishing fleet. As fleet recruitment is a highly politicized field, the problem of how to mitigate the recruitment problem is a subject of heavy debate. Some argue that recruitment problems are caused by low fleet profitability, while others argue that recruitment ...
    • Redisposition of acremonium-like fungi in Hypocreales 

      Hou, Lingwei; Giraldo, Alejandra; Groenewald, Johannes Zacharias Ewald; Rämä, Teppo; Summerbell, R.C.; Huang, G.Z.; Cai, Lei; Crous, Pedro Willem (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-06-02)
      Acremonium is acknowledged as a highly ubiquitous genus including saprobic, parasitic, or endophytic fungi that inhabit a variety of environments. Species of this genus are extensively exploited in industrial, commercial, pharmaceutical, and biocontrol applications, and proved to be a rich source of novel and bioactive secondary metabolites. Acremonium has been recognised as a taxonomically difficult ...
    • Reducing catch efficiency of rabbitfish (Siganus oramin) in a shrimp beam trawl fishery of the South China Sea 

      Yang, Bingzhong; Herrmann, Bent; Cheng, Zhaohai (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-07-07)
      The bycatch of unwanted fish species is a main concern in shrimp beam trawl fishery of the South China Sea. This study evaluated the effect of using combined square-mesh and diamond-mesh codends (CSDM codends) on catch efficiency of a shrimp trawl fishery with the catch comparison and catch ratio approach. The trouser trawl method was applied using the commercial 22-mm diamond mesh codend (D22) as ...
    • Reducing plastic pollution caused by demersal fisheries 

      Grimaldo, Eduardo; Karl, Christian; Alvestad, Anja Helene; Persson, Anna-Maria Märta Ruth; Kubowicz, Stephan; Olafsen, Kjell; Hatlebrekke, Hanne Hjelle; Lilleng, Grethe; Brinkhof, Ilmar Leone (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-10-07)
      Marine microplastics generated by wear and tear of bottom trawls and demersal seines during their service life is a growing environmental concern that requires immediate attention. In Norway, these fishing gears account for more than 70 % of the landings of demersal fish species, but they are also the leading sources of microplastics generated by fisheries. Because these two fishing gears are widely ...
    • Reducing the number of individuals to monitor shoaling fish systems – Application of the Shannon entropy to construct a biological warning system model 

      Eguiraun, Harkaitz; Casquero, Oskar; Sørensen, Asgeir Johan; Martinez, Iciar (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-05-08)
      The present study aims at identifying the lowest number of fish (European seabass) that could be used for monitoring and/or experimental purposes in small-scale fish facilities by quantifying the effect that the number of individuals has on the Shannon entropy (SE) of the trajectory followed by the shoal’s centroid. Two different experiments were performed: (i) one starting with 50 fish and decreasing ...
    • Regelrett eller rett regel? Håndtering og praktisering av regelverket for havbruksnæringen 

      Robertsen, Roy; Andreassen, Otto; Hersoug, Bjørn; Karlsen, Kine Mari; Osmundsen, Tonje; Solås, Ann-Magnhild; Sørgård, Bjørn; Asche, Frank; Tveterås, Ragnar (Research report; Forskningsrapport, 2016-10-11)
      This is the second report from the project “Impacts of the legal framework on the aquaculture industry – simplification of regulations”, funded by The Norwegian Seafood Research Fund (FHF). The project is designed to investigate how scientific knowledge and political objectives have shaped the design and implementation of the legal framework, and to suggest possible improvements and simplifications ...
    • The regulative lock-in: the challenge of establishing Sami fisheries governance in Norway 

      Johnsen, Jahn Petter; Søreng, Siri Ulfsdatter (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-11-06)
      For almost 30 years, the Sami Parliament has worked to gain influence in the Norwegian fisheries governing system in order to secure Sami fisheries as the material basis of Sami culture. Due to developments in international law and their implementation in state law, the Sami Parliament has gained formal access to the country’s fisheries governance decision-making process. This paper addresses the ...
    • Rekrutteringsutfordringer for marin sektor i framtida 

      Vik, Jostein; Johnsen, Jahn Petter; Sønvisen, Signe Annie (Journal article; Tidsskriftartikkel, 2009)
    • The Relative Bioavailability of Ibuprofen After Administration With a Novel Soft Chewable Drug Formulation 

      Hattrem, Magnus Nergård; Dille, Morten Johnsen; Seternes, Tore; Ege, Thorfinn; Draget, Kurt Ingar (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-04-25)
      The first aim of the present study was to evaluate the bioavailability of ibuprofen dispersed in a novel soft chewable formulation compared with a traditional ibuprofen tablet; its second was to map the quality of taste masking and patient product satisfaction. In a phase 1, single-center, open-label, randomized, crossover study, healthy subjects received a softchew formulation or a hard tablet ...
    • Report from fact-finding mission to Ghana 8-21 August 2015 

      Hersoug, Bjørn; Johnsen, Jahn Petter (Research report; Forskningsrapport, 2015)
      Over the years, 19 students from Ghana have graduated from the International Fisheries Management Programme (IFM) at the Norwegian College of Fishery Science (NCFS) at the University of Tromsø, the Arctic University of Norway. In addition, three other students from Ghana are in their first and second year of the programme now. These students are trained and supervised by professors with broad ...
    • Report of the expert meeting on food safety for seaweed – Current status and future perspectives 

      Hurtado, Anicia; Concepcion, Anoushka; Duinker, Arne; Tiwari, Brijesh; Elvevoll, Edel O.; Yukawa, Goichiro; Levine, Ira A.; Banach, Jennifer L.; Sato, Junichi; Hayes, Maria; Hansen, Max; Abu-Ghannam, Nissreen; Potin, Philippe; Hogstad, Solbjørg; Holdt, Susan Løvstad; Doumiezel, Vincent; Vieira, Vitor Verdelho; Sato, Yoichi (Research report; Forskningsrapport, 2022)
      The world production of marine macroalgae, or seaweed, has more than tripled since the turn of the millennium, increasing from 10.6 million tonnes in 2000 to 32.4 million tonnes in 2018. Increased cultivation and utilization of seaweed are expected to be important pillars of sustainable food security and a robust aquatic economy in the coming years. It is important, therefore, to consider the food ...