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    • Bycatch Reduction in Eastern North Pacific Trawl Fisheries 

      Lomeli, Mark Joseph Max (Doctoral thesis; Doktorgradsavhandling, 2019-12-20)
      <p>This thesis provides an overview of recent selectivity studies conducted in eastern North Pacific trawl fisheries (e.g., West Coast groundfish bottom trawl fishery, Pacific hake [<i>Merluccius productus</i>] fishery, and ocean shrimp [<i>Pandalus jordani</i>] fishery). Collectively, these fisheries play a significant role in supporting fishing jobs, income, and coastal communities. However, bycatch ...

    • Predicting optimal combinations of by‐catch reduction devices in trawl gears: A meta‐analytical approach 

      Melli, Valentina; Herrmann, Bent; Karlsen, Junita Diana; Feekings, Jordan; Krag, Ludvig Ahm (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-12-02)
      Global efforts to reduce unwanted catches have led to the development of a vast array of by‐catch reduction devices (BRDs), in particular for mixed trawl fisheries. Some of these BRDs could likely benefit from being combined. However, the number of possible combinations would be prohibitive to be tested experimentally. Therefore, in this study we propose a meta‐analytical approach that combines the ...

    • Value in tourist experiences: How nature-based experiential styles influence value in climbing 

      Vespestad, May Kristin; Lindberg, Frank; Mossberg, Lena (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-03-27)
      Nature-based adventure experiences constitute a significant segment of the tourism industry and understanding consumers’ conceptualisations of value is crucial. The aim of this study is to understand how the perceived value of the climbing experience differs within the climbing community. Interviews with climbers revealed that multiple aspects of the climbing experience are valued, including efficiency, ...

    • Encephalitis and aseptic meningitis: short-term and long-term outcome, quality of life and neuropsychological functioning 

      Paulsen, Else Quist; Ormaasen, Vidar; Kran, Anne-Marte Bakken; Dunlop, Oona Borghild; Ueland, Per Magne; Ueland, Thor; Eikeland, Randi; Aukrust, Pål; Nordenmark, Tonje Haug (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-11-06)
      For those surviving encephalitis, the influence on daily life of patients and their relatives may be substantial. In contrast, the prognosis after aseptic meningitis (ASM) is considered good. In this prospective study in patients with encephalitis (n = 20) and ASM (n = 46), we show that both groups experienced reduced Health Related Quality of Life (HRQoL) at two months after discharge, and that ...

    • Searching for the "active ingredients" in physical rehabilitation programs across Europe, necessary to improve mobility in people with multiple sclerosis: A multicenter study 

      Kalron, Alon; Feys, Peter; Dalgas, Ulrik; Smedal, Tori; Freeman, Jennifer; Romberg, Anders; Conyers, Helen; Elorriaga, Iratxe; Gebara, Benoit; Merilainen, Johanna; Heric-Mansrud, Adnan; Jensen, Ellen; Jones, Kari Øen; Knuts, Kathy; Maertens de Noordhout, Benoit; Martic, Andrej; Normann, Britt; O Eijnde, Bert; Rasova, Kamila; Santoyo Medina, Carme; Baert, Ilse (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-03-17)
      <i>Background</i> - Physical rehabilitation programs can lead to improvements in mobility in people with multiple sclerosis (PwMS). <p> <p><i>Objective</i> - To identify which rehabilitation program elements are employed in real life and how they might affect mobility improvement in PwMS. <p> <p><i>Methods</i> - Participants were divided into improved and nonimproved mobility groups based on ...

    • Co-Creation as a Tool to Overcome Cross-Cultural Differences in Educational Experiences? 

      Vespestad, May Kristin; Smørvik, Kjersti Karijord (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-11-04)
      The teaching-learning relationship has been subject to discussion within higher education (HE), as has the traditional lecture. Teaching and lectures cannot be understood without including students as part of the setting, particularly so within a cross-cultural classroom where various hermeneutics are involved. International students have different ways of understanding and interpreting data, and ...

    • Physical controls of dynamics of methane venting from a shallow seep area west of Svalbard 

      Silyakova, Anna; Jansson, Pär; Serov, Pavel; Ferré, Benedicte; Pavlov, A.K; Hattermann, T.; Graves, C.A; Platt, S.M; Myhre, Cathrine Lund; Gründger, Friederike; Niemann, Helge (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-12-06)
      We investigate methane seepage on the shallow shelf west of Svalbard during three consecutive years, using discrete sampling of the water column, echosounder-based gas flux estimates, water mass properties, and numerical dispersion modelling. The results reveal three distinct hydrographic conditions in spring and summer, showing that the methane content in the water column is controlled by a combination ...

    • Paratext – a useful concept for the analysis of digital documents? 

      Skare, Roswitha (Journal article; Tidsskriftartikkel; Peer reviewed, 2019)
      In his study, Paratexts: Thresholds of Interpretation , the French literature scholar Gérard Genette introduces the concept of the “paratext” to the public. Genette explains the term paratext as that “what enables a text to become a book and to be offered as such to its readers and, more generally, to the public” (Genette 1997, 1). Genette’s concept has since also been applied to other media, ...

    • Analysis of Oil Spill and Sea Ice Measurements Using Full-Polarimetric and Hybrid-Polarity Synthetic Aperture Radar data 

      Espeseth, Martine (Doctoral thesis; Doktorgradsavhandling, 2019-12-05)
      Synthetic Aperture Radar (SAR) data has been used for decades to detect oil slicks and monitoring sea ice. With increased oil and gas exploration in the Arctic follows higher risk for oil spills. Knowledge of the sea ice and oil spills is important for making clever and efficient decisions in a hectic and non-hectic operational situation. The potential and limitations of the hybrid-polarity (HP) SAR ...

    • Growth and metabolism of adult polar cod (Boreogadus saida) in response to dietary crude oil 

      Nahrgang, Jasmine; Bender, Morgan Lizabeth; Meier, Sonnich; Nechev, Jordan; Berge, Jørgen; Frantzen, marianne (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-05-06)
      The increasing human presence in the Arctic shelf seas, with the expansion of oil and gas industries and maritime shipping, poses a risk for Arctic marine organisms such as the key species polar cod (<i>Boreogadus saida</i>). The impact of dietary crude oil on growth and metabolism of polar cod was investigated in the early spring (March–April) when individuals are expected to be in a vulnerable ...

    • Shaping climbers’ experiencescapes: Historic influence on the climbing experience 

      Vespestad, May Kristin; Hansen, Odd Birger (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-10-23)
      Climbing is increasingly popular in certain destinations, yet there is little knowledge of the influence of history on climbing and other adventure tourism experiences. Climbing destinations renowned within the climbing community may well be unknown to the broader tourist masses. Using qualitative interviews of climbers visiting the Lofoten Islands, Norway, this article examines how the historical ...

    • Temperature dependent growth rate, lipid content and fatty acid composition of the marine cold-water diatom Porosira glacialis 

      Svenning, Jon Brage; Dalheim, Lars; Eilertsen, Hans Christian; Vasskog, Terje (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-11-27)
      In this study, the northern cold-water marine diatom <i>Porosira glacialis</i> was cultivated in a pilot-scale mass cultivation system at 5 different temperatures (−2 to 12 °C), in order to evaluate temperature-dependent growth rate (in vitro Chl <i>a</i>), lipid content (Folch's method) and fatty acid (FA) composition (GC–MS) in the exponential growth phase. We found that <i>P. glacialis</i> has a ...

    • Benchlearning - an action research program for transforming leadership and school practices 

      Aas, Marit; Vennebo, Kirsten Foshaug; Halvorsen, Kjell Atle (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-01-22)
      In this paper, we investigate how a Benchlearning program for principals in Norway and Sweden supports changes in Norwegian principals’ leadership practices. The program design builds on principles for practical action research. The aim of the program was to inspire changes in the principals’ leadership practices that encourage innovative school practices. The program includes learning modes such ...

    • Improving the space-bandwidth product of structured illumination microscopy using a transillumination configuration 

      Joseph, Joby; Faiz, Kandankulangara P.; Lahrberg, Marcel; Tinguely, Jean-Claude; Ahluwalia, Balpreet Singh (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-11-18)
      Applying structured instead of plane illumination in widefield optical fluorescence microscopy can improve the spatial resolution beyond what is known as the Abbe limit. In general it is not only the resolution of an imaging system that is of interest but also its field of view (FOV). These two parameters are expressed in the space-bandwidth product (SBP). Here we introduce a modified structured ...

    • Optimization of the CO2 Liquefaction Process-Performance Study with Varying Ambient Temperature 

      Jackson, Steven; Brodal, Eivind (Journal article; Peer reviewed, 2019-10-22)
      In carbon capture utilization and storage (CCUS) projects, the transportation of CO2 by ship can be an attractive alternative to transportation using a pipeline, particularly when the distance between the source and usage or storage location is large. However, a challenge associated with this approach is that the energy consumption of the liquefaction process can be significant, which makes the ...

    • Demographic history has shaped the strongly differentiated corkwing wrasse populations in Northern Europe 

      Mattingsdal, Morten; Jorde, Per Erik; Knutsen, Halvor; Jentoft, Sissel; Stenseth, Nils Christian; Sodeland, Marte; Robalo, Joana I.; Hansen, Michael M.; André, Carl; Gonzalez, Enrique Blanco (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-11-15)
      Understanding the biological processes involved in genetic differentiation and divergence between populations within species is a pivotal aim in evolutionary biology. One particular phenomenon that requires clarification is the maintenance of genetic barriers despite the high potential for gene flow in the marine environment. Such patterns have been attributed to limited dispersal or local adaptation, ...

    • Rytmetrening i kor. En kvalitativ studie av koristers opplevelse av understrømstrening i kor. 

      Dahl, Liv Astrid (Master thesis; Mastergradsoppgave, 2019-12-06)
      Denne studien har hatt som mål å undersøke hvordan korister opplever kroppslig understrømstrening i kor og hvilken nytte korister og dirigent mener slik trening kan ha. Studien har blitt gjennomført i et blandetkor med 26 sangere. Dataene har blitt utviklet gjennom et fokusgruppeintervju med fire korister og et eget intervju med dirigenten. Samtlige korister har også besvart et spørreskjema som hadde ...

    • Hva lærere mener er viktig å vektlegge i arbeidet med algebra hos elever på 8. trinn. En kvalitativ studie av hva lærere mener er viktig å vektlegge i arbeidet med algebra hos elever på 8. trinn. 

      Johnsen, Lars-Gunnar (Master thesis; Mastergradsoppgave, 2019-11-04)
      Denne kvalitative masteroppgaven i matematikkdidaktikk har følgende problemstilling med tilhørende forskningsspørsmål: «Hvilke strategier og undervisningsformer mener matematikklærere det er viktig å vektlegge i arbeidet med algebra på 8. trinn?», 1) «Hvilke tanker har matematikklæreren omkring tilpasset opplæring innenfor algebra på 8. trinn?», 2) «Hvilke erfaringer med bruk av læreverk har lærere ...

    • Havets folk, Herrens folk. Analyse av kystmesse i Stamsund, Lofoten i 1990. 

      Kristjansson, Gunnar Mar (Master thesis; Mastergradsoppgave, 2019-11-01)
      Hvert år på den tiden når skreien vender tilbake til Lofoten og lofotfisket starter opp igjen, feires det gudstjeneste i Stamsund under overskriften «kystmesse». Første gang denne gudstjenesten ble holdt var under svært spesielt omstendigheter. Det var lite fisk å finne og folket langs kysten opplevde krise. Den første gudstjenesten var en stor suksess og det var stort oppmøte. Bare ved å analysere ...

    • Long-term blood pressure trajectories and incident atrial fibrillation in women and men: the Tromsø Study 

      Sharashova, Ekaterina; Wilsgaard, Tom; Ball, Jocasta; Morseth, Bente; Gerdts, Eva; Hopstock, Laila Arnesdatter; Mathiesen, Ellisiv B.; Schirmer, Henrik; Løchen, Maja-Lisa (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-05-03)
      Aims To explore sex-specific associations between long-term individual blood pressure (BP) patterns and risk of incident atrial fibrillation (AF) in the general population. Methods and results Blood pressure was measured in 8376 women and 7670 men who attended at least two of the three population-based Tromsø Study surveys conducted in 1986–87, 1994–95, and 2001. Participants were followed for ...