Blar i Department of Biological Sciences på tittel

Viser treff 1788-1807 av 2225

    • The Relative Effect of Team-Based Learning on Motivation and Learning: A Self-Determination Theory Perspective 

      Jeno, Lucas Matias; Raaheim, Arild; Kristensen, Sara M.; Kristensen, Kjell Daniel Berg; Hole, Torstein Nielsen; Haugland, Mildrid Jorunn; Mæland, Silje (Peer reviewed; Journal article, 2017)
      We investigate the effects of team-based learning (TBL) on motivation and learning in a quasi-experimental study. The study employs a self-determination theory perspective to investigate the motivational effects of ...

    • Relative transcript quantification by Quantitative PCR: Roughly right or precisely wrong? 

      Skern-Mauritzen, Rasmus; Frost, Petter; Nilsen, Frank (Journal article; Peer reviewed, 2005-04-26)
      Background When estimating relative transcript abundances by quantitative real-time PCR (Q-PCR) we found that the results can vary dramatically depending on the method chosen for data analysis. Results Analyses of ...

    • Removal of large viruses and their dispersal through fecal pellets of the appendicularian Oikopleura dioica during Emiliania huxleyi bloom conditions 

      Mayers, Kyle; Lawrence, Janice; Skaar, Katrine Sandnes; Töpper, Joachim Paul; Petelenz-Kurdziel, Elzbieta Anna; Saltvedt, Marius Rydningen; Sandaa, Ruth-Anne; Larsen, Aud; Bratbak, Gunnar; Ray, Jessica Louise (Journal article; Peer reviewed, 2021)
      Despite their importance in shaping the structure and function of marine microbial food webs, little is known about factors regulating marine virus abundance. Previous work demonstrated clearance of laboratory-cultured ...

    • Removing Noise From Pyrosequenced Amplicons 

      Quince, Christopher; Lanzén, Anders; Davenport, Russell J.; Turnbaugh, Peter J. (Peer reviewed; Journal article, 2011-01-28)
      Background: In many environmental genomics applications a homologous region of DNA from a diverse sample is first amplified by PCR and then sequenced. The next generation sequencing technology, 454 pyrosequencing, has ...

    • Repeated exposure affects susceptibility and responses of Atlantic salmon (Salmo salar) towards the ectoparasitic salmon lice (Lepeophtheirus salmonis) 

      Ugelvik, Mathias Stølen; Mennerat, Adele; Mæhle, Stig; Dalvin, Sussie Trine (Journal article; Peer reviewed, 2023)
      Atlantic salmon (Salmo salar) is repeatedly exposed to and infected with ectoparasitic salmon lice (Lepeophtheirus salmonis) both in farms and in nature. However, this is not reflected in laboratory experiments where fish ...

    • Replacing fish meal with insect meal in the diet of Atlantic salmon (Salmo salar) does not impact the amount of contaminants in the feed and it lowers accumulation of arsenic in the fillet 

      Biancarosa, Irene; Sele, Veronika; Belghit, Ikram; Ørnsrud, Robin; Lock, Erik-Jan; Amlund, Heidi (Peer reviewed; Journal article, 2019)
      Insects are promising sources of protein and lipid in feeds for farmed animals. In the European Union, the use of insect meal (IM) and insect oil is permitted in fish feed. However, the European Food Safety Authority has ...

    • Replacing fish oil by vegetable oil in a low fish protein diet: effects on visceral adipose tissue and inflammation in Atlantic salmon 

      Cardoso da Rocha, Sérgio Domingos (Master thesis, 2012-06-04)
      Dietary fish oil (FO) replacement with vegetable oils in combination with high dietary fish meal replacement have previously been shown to increase Atlantic salmon plasma and liver TAG as well as visceral fat deposition. ...

    • Report from the 3rd Workshop on Trait-based approaches to ocean life 

      Fiksen, Ø.; Andersen, K.; Barton, A.; Bruggeman, J.; Dutkiewicz, S.; Lindemann, C.; Merico, A.; Record, N.; Rynearson, T. (Book of abstracts, 2017)
      How can the essential properties of community structure and ecosystem functioning be captured from a limited number of traits in organisms? In August 2017, 120 researchers from 31 nations met over four days at Solstrand ...

    • A reporting format for leaf-level gas exchange data and metadata 

      Ely, Kim S.; Rogers, Alistair; Agarwal, Deborah A.; Ainsworth, Elizabeth A; Albert, Loren P.; Ali, Ashehad Ashween; Anderson, Jeremiah; Aspinwall, Michael J.; Bellasio, Chandra; Bernacchi, Carl; Bonnage, Steve; Buckley, Thomas N.; Bunce, James; Burnett, Angela C.; Busch, Florian A.; Cavanagh, Amanda; Cernusak, Lucas A.; Crystal-Ornelas, Robert; Damerow, Joan; Davidson, Kenneth J.; de Kauwe, Martin G.; Dietze, Michael C.; Domingues, Tomas F.; Dusenge, Mirindi E.; Ellsworth, David S.; Evans, John R.; Gauthier, Paul P.G.; Gimenez, Bruno O.; Gordon, Elizabeth P.; Gough, Christopher M.; Rechsteiner, Aud Helen Halbritter; Hanson, David T.; Heskel, Mary; Hogan, J. Aaron; Hupp, Jason R.; Jardine, Kolby; Kattge, Jens; Keenan, Trevor F.; Kromdijk, Johannes; Kumarathunge, Dushan P.; Lamour, Julien; Leakey, Andrew D.B.; LeBauer, David S.; Li, Qianyu; Lundgren, Marjorie R.; McDowell, Nate; Meacham-Hensold, Katherine; Medlyn, Belinda E; Moore, David J.P.; Negrón-Juárez, Robinson; Niinemets, Ülo; Osborne, Colin P.; Pivovaroff, Alexandria L.; Poorter, Hendrik; Reed, Sasha C.; Ryu, Youngryel; Sanz-Saez, Alvaro; Schmiege, Stephanie C.; Serbin, Shawn P.; Sharkey, Thomas D.; Slot, Martijn; Smith, Nicholas G.; Sonawane, Balasaheb V.; South, Paul F.; Souza, Daisy C.; Stinziano, Joseph R.; Stuart-Haëntjens, Ellen; Taylor, Samuel H.; Tejera, Mauricio D.; Uddling, Johan; Vandvik, Vigdis; Varadharajan, Charuleka; Walker, Anthony P.; Walker, Berkley J.; Warren, Jeffrey M.; Way, Danielle A.; Wolfe, Brett T.; Wu, Jin; Wullschleger, Stan D.; Xu, Chonggang; Yan, Zhengbing; Yang, Dedi (Journal article; Peer reviewed, 2021)
      Leaf-level gas exchange data support the mechanistic understanding of plant fluxes of carbon and water. These fluxes inform our understanding of ecosystem function, are an important constraint on parameterization of ...

    • Reproducing the virus-to-copepod link in Arctic mesocosms using host fitness optimization. 

      Thingstad, T. Frede; Larsen, Aud; Bratbak, Gunnar; Våge, Selina; Egge, Jorun Karin; Sandaa, Ruth-Anne; Nejstgaard, Jens Christian (Journal article; Peer reviewed, 2020)
      By shunting material out of the predatory pathway toward detritus and dissolved material, viruses are believed to have an important impact on biogeochemical functions of the pelagic microbial food web. To include viruses ...

    • Reproductive Biology of Geodia Species (Porifera, Tetractinellida) From Boreo-Arctic North-Atlantic Deep-Sea Sponge Grounds 

      Koutsouveli, Vasiliki; Cárdenas, Paco; Conejero, Maria; Rapp, Hans Tore; Riesgo, Ana (Journal article; Peer reviewed, 2020)
      Boreo-arctic sponge grounds are essential deep-sea structural habitats that provide important services for the ecosystem. These large sponge aggregations are dominated by demosponges of the genus Geodia (order Tetractinellida, ...

    • Reproductive investment in Atlantic cod off Newfoundland: Contrasting trends between males and females 

      Baulier, Loic; Morgan, M. Joanne; Lilly, George R.; Dieckmann, Ulf; Heino, Mikko Petteri (Peer reviewed; Journal article, 2017-08-31)
      Life history theory predicts selection for higher reproductive investment in response to increased mortality among mature individuals. We tested this prediction over the period from 1978 to 2013 for three populations of ...

    • Reproductive traits across the Atlantic herring (Clupea harengus L.) stock complex 

      dos Santos Schmidt, Thassya C. (Doctoral thesis, 2017-06-08)
      Herring (Clupea harengus and C. pallasii) have an important socio-economic role worldwide and consist of diverse populations. These populations are distributed throughout both the North Atlantic and North Pacific Oceans. ...

    • Resilience to exogenous shocks in environmental management regimes in the Arctic – lessons learned from survivors 

      Tiller, Rachel; Nyman, Elizabeth; Dankel, Dorothy Jane; Liu, Yajie (Peer reviewed; Journal article, 2019-06-13)
      A changing climate will impact not only the environment but all levels of governance thereof, including the context of the close to 400 multilateral environmental management agreements signed since the year 2000. For the ...

    • Resolving the zinc binding capacity of honey bee vitellogenin and locating its putative binding sites 

      Leipart, Vilde; Enger, Øyvind; Turcu, Diana Cornelia; Dobrovolska, Olena; Drabløs, Finn; Halskau, Øyvind; Amdam, Gro Vang (Journal article; Peer reviewed, 2022)
      The protein vitellogenin (Vg) plays a central role in lipid transportation in most egg-laying animals. High Vg levels correlate with stress resistance and lifespan potential in honey bees (Apis mellifera). Vg is the primary ...

    • Resource allocation in two selected Carex species along climate gradients 

      Pötsch, Christine (Master thesis, 2010-11-22)
      Climate will change and is already changing and all organisms are going to react to it, as it is a limiting factor to their lives. To be able to have an idea how plants might respond to climate change, it is important to ...

    • Respiration rates of herring larvae at different salinities and effects of previous environmental history 

      Berg, Florian; Andersson, Leif; Folkvord, Arild (Journal article; Peer reviewed, 2020)
      Metabolic rates of early life history stages of marine fishes show considerable inter-individual differences and are highly influenced by extrinsic factors like temperature or food availability. Measuring oxygen uptake ...

    • Respiratory burst assay for leukocytter fra Atlantisk laks (Salmo salar L.) og Atlantisk torsk (Gadus morhua L.) 

      Kalgraff, Cathrine Anette Kanikeberg (Master thesis, 2009-06-22)
      Fagocytose er en viktig funksjon i det uspesifikke immunforsvaret hos fisk, og medvirker til at leukocytter kan drepe infiserende patogener. Leukocytters evne til å ta opp, drepe og bryte ned fagocytterte patogener, er ...

    • The response of a boreal deep-sea sponge holobiont to acute thermal stress 

      Strand, Roger; Whalan, Stephen; Webster, Nicole S.; Kutti, Tina; Fang, James Kar-Hei; Luter, Heidi M.; Bannister, Raymond (Peer reviewed; Journal article, 2017-05-22)
      Effects of elevated seawater temperatures on deep-water benthos has been poorly studied, despite reports of increased seawater temperature (up to 4 °C over 24 hrs) coinciding with mass mortality events of the sponge Geodia ...

    • The Response of Heterotrophic Prokaryote and Viral Communities to Labile Organic Carbon Inputs Is Controlled by the Predator Food Chain Structure 

      Sandaa, Ruth-Anne; Pree, Bernadette; Larsen, Aud; Våge, Selina; Tøpper, Birte; Töpper, Joachim Paul; Thyrhaug, Runar; Thingstad, Tron Frede (Peer reviewed; Journal article, 2017-08-23)
      Factors controlling the community composition of marine heterotrophic prokaryotes include organic-C, mineral nutrients, predation, and viral lysis. Two mesocosm experiments, performed at an Arctic location and bottom-up ...