Blar i Department of Biological Sciences på tittel

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    • Recovery and resilience of tropical forests after disturbance 

      Cole, Lydia E.S.; Bhagwat, Shonil A.; Willis, Katherine Jane (Peer reviewed; Journal article, 2014-05-20)
      The time taken for forested tropical ecosystems to re-establish post-disturbance is of widespread interest. Yet to date there has been no comparative study across tropical biomes to determine rates of forest re-growth, and ...

    • Recreational fishing for Nephrops in Hordaland, Norway - catches and potential mercury intake 

      Djønne, Christine (Master thesis, 2018-06-26)
      Few studies provide information about recreational fishing in Norway. As recreational fishing often occurs in areas close to high-density surroundings, possibly affected by environmental pollutants, it is important to ...

    • Recruitment processes in West Greenland waters : with special focus on Greenland halibut (Reinhardtius hippoglossoides, W.) 

      Stenberg, Claus (Doctoral thesis, 2007-10-19)
      The topic of this thesis is recruitment processes in Greenland Halibut (Reinhardtius hippoglossoides) in West Greenland waters. The focal point is Greenland halibut’s early life history from oocytes in the female ovary - ...

    • Recurrent convergent evolution at amino acid residue 261 in fish rhodopsin 

      Hill, Jason; Enbody, Erik D.; Pettersson, Mats E.; Sprehn, C. Grace; Bekkevold, Dorte; Folkvord, Arild; Laikre, Linda; Kleinau, Gunnar; Scheerer, Patrick; Andersson, Leif (Peer reviewed; Journal article, 2019)
      The evolutionary process that occurs when a species colonizes a new environment provides an opportunity to explore the mechanisms underlying genetic adaptation, which is essential knowledge for understanding evolution and ...

    • Red List updates and the robustness of sites selected for conservation of red-listed species 

      Gjerde, Ivar; Grytnes, John-Arvid; Heegaard, Einar; Sætersdal, Magne; Tingstad, Lise (Peer reviewed; Journal article, 2018-10-11)
      The long-term success of sites selected for species conservation depends on the persistence of target species. Red List species or threatened species lists are frequently defined as target species, but when Red Lists are ...

    • A red tide in the pack ice of the Arctic Ocean 

      Olsen, Lasse Mork; Duarte, Pedro; Peralta-Ferriz, Cecilia; Kauko, Hanna Maria; Johansson, Malin; Peeken, Ilka; Różańska-Pluta, Magdalena; Tatarek, Agnieszka; Wiktor, Jozef; Fernández-Méndez, Mar; Wagner, Penelope Mae; Pavlov, Alexey K.; Hop, Haakon; Assmy, Phillipp (Peer reviewed; Journal article, 2019-07-02)
      n the Arctic Ocean ice algae constitute a key ecosystem component and the ice algal spring bloom a critical event in the annual production cycle. The bulk of ice algal biomass is usually found in the bottom few cm of the ...

    • Redescription of Protoopalina pingi Nie, 1935 inhabiting the recta of Hylarana guentheri and Pelophylax nigromaculatus in China 

      Li, Weidong; Wang, Chong; Huang, Feng; Li, Ming; Nilsen, Frank; Liu, Huiyu; Xu, Jianlong (Peer reviewed; Journal article, 2014-09-12)
      A redescription of Protoopalina pingi Nie, 1935 is presented in this paper to complete Nie’s description at both light and scanning electron microscope levels. These organisms were collected from the recta of the frogs ...

    • Redox control of protein degradation 

      Pajares, Marta; Jiménez-Moreno, Natalia; Dias, Irundika H.K.; Debelec, Bilge; Vucetic, Milica; Fladmark, Kari Espolin; Basaga, Huveyda; Ribaric, Samo; Milisav, Irina; Cuadrado, Antonio (Peer reviewed; Journal article, 2015-12)
      Intracellular proteolysis is critical to maintain timely degradation of altered proteins including oxidized proteins. This review attempts to summarize the most relevant findings about oxidant protein modification, as well ...

    • Redox regulation in Atlantic cod (Gadus morhua) embryos developing under normal and heat-stressed conditions 

      Skjærven, Kaja Helvik; Penglase, Samuel; Olsvik, Pål Asgeir; Hamre, Kristin (Peer reviewed; Journal article, 2013-04)
      With regard to predicted oceanic warming, we studied the effects of heat stress on the redox system during embryonic development of Atlantic cod (Gadus morhua), with emphasis on the glutathione balance, activities of key ...

    • Reduced physiological plasticity in a fish adapted to stable temperatures 

      Morgan, Rachael Louise; Andreassen, Anna H.; Åsheim, Eirik Ryvoll; Finnøen, Mette Helene; Dresler, Gunnar; Brembu, Tore; Loh, Adrian; Miest, Joanna J.; Jutfelt, Fredrik (Journal article; Peer reviewed, 2022)
      Plasticity can allow organisms to maintain consistent performance across a wide range of environmental conditions. However, it remains largely unknown how costly plasticity is and whether a trade-off exists between plasticity ...

    • Reducing Wooden Structure and Wildland-Urban Interface Fire Disaster Risk through Dynamic Risk Assessment and Management 

      Log, Torgrim; Vandvik, Vigdis; Velle, Liv Guri; Log, Maria-Monika Metallinou (Journal article; Peer reviewed, 2020-03-18)
      In recent years, severe and deadly wildland-urban interface (WUI) fires have resulted in an increased focus on this particular risk to humans and property, especially in Canada, USA, Australia, and countries in the ...

    • Refinement of a radioreceptor binding assay for nicotinic acid adenine dinucleotide phosphate 

      Lewis, Alexamder M.; Masgrau, Roser; Vasudevan, Sridhar R.; Yarnasaki, Michiko; O'Neill, John S.; Garnham, Clive; James, Kristin; Macdonald, Andrew; Ziegler, Mathias; Galione, Antony; Churchill, Grant C. (Peer reviewed; Journal article, 2007-12-01)
      The measurement of changes in nicotinic acid adenine dinucleotide phosphate (NAADP) levels in cells has been, and remains, key to the investigation of the functions of NAADP as a Ca2+-releasing second messenger. Here we ...

    • Reflections on the Use of Ecological Attributes and Traits in Quaternary Botany 

      Birks, Harry John Betteley (Journal article; Peer reviewed, 2020)
      There has been an upsurge of interest and research activity in trait-based approaches in ecology, biogeography, and macroecology. I discuss if this upsurge has impacted Quaternary botany (the study of plant remains preserved ...

    • Regional climate model simulations for Europe at 6k and 0.2k years BP: sensitivity to changes in anthropogenic deforestation 

      Strandberg, Gustav; Kjellström, Erik; Poska, Anneli; Wagner, Sebastian; Gaillard, Marie-José; Trondman, Anna-Kari; Mauri, Achille; Davis, Basil A.S.; Kaplan, Jed O.; Birks, Harry John Betteley; Bjune, Anne Elisabeth; Fyfe, Ralph; Giesecke, Thomas; Kalnina, Laimdota; Kangur, Mihkel; van der Knaap, Willem O.; Kokfelt, Ulla; Kuneš, Petr; Latalowa, Malgorzata; Marquer, Laurent; Mazier, Florence; Nielsen, Anne Birgitte; Smith, Ben; Seppä, Heikki; Sugita, Shinya (Peer reviewed; Journal article, 2014-03-28)
      This study aims to evaluate the direct effects of anthropogenic deforestation on simulated climate at two contrasting periods in the Holocene, ~6 and ~0.2 k BP in Europe. We apply We apply the Rossby Centre regional climate ...

    • Regional Expression of npy mRNA Paralogs in the Brain of Atlantic Salmon (Salmo salar, L.) and Response to Fasting 

      Tolås, Ingvill; Kalananthan, Tharmini; Gomes, Ana S.; Lai, Floriana; Norland, Sissel; Murashita, Koji; Rønnestad, Ivar (Journal article; Peer reviewed, 2021-08-26)
      Neuropeptide Y (NPY) is known as a potent orexigenic signal in vertebrates, but its role in Atlantic salmon has not yet been fully established. In this study, we identified three npy paralogs, named npya1, npya2, and npyb, ...

    • Regional impact from fin-fish farming in an intensive production area (Hardangerfjord, Norway) 

      Husa, Vivian; Kutti, Tina; Ervik, Arne S; Sjøtun, Kjersti; Hansen, Pia Kupka; Aure, Jan (Peer reviewed; Journal article, 2014)
      The Hardangerfjord is one of the largest salmon-farming areas in Norway, with an annual production of approximately 70,000 metric tonnes. The regional impact of fin-fish farming in a fjord environment was studied during ...

    • Regulation of appetite and growth of Atlantic salmon (Salmo salar L.) and effect of water oxygen, temperature and dietary energy 

      Vikeså, Vibeke (Doctoral thesis, 2017-06-27)
      High water temperature combined with low dissolved oxygen (LO or hypoxia) is one of the most challenging environmental conditions farmed fish experience. The oxygen requirement of fish increases in parallel to this, which ...

    • Reindeer trampling promotes vegetation changes in tundra heathlands: Results from a simulation experiment 

      Egelkraut, Dagmar Dorothea; Barthelemy, Hélène; Olofsson, Johan (Journal article; Peer reviewed, 2020)
      Question Herbivores exert strong influences on vegetation through activities such as trampling, defoliation, and fertilization. The combined effect of these activities on plant performance may cause dramatic vegetation ...

    • Reintroduction of dj-1 in müller cells inhibits retinal degeneration in the dj-1 deficient retina 

      Gharbi, Naouel; Røise, Dagne; Førre, Jorunn-Elise; Edson, Amanda Jayne; Hushagen, Helena Amalie; Tronci, Valentina; Frøyset, Ann-Kristin; Fladmark, Kari E. (Journal article; Peer reviewed, 2021)
      The eye is continuously under oxidative stress due to high metabolic activity and reactive oxygen species generated by daily light exposure. The redox-sensitive protein DJ-1 has proven to be essential in order to protect ...

    • Relationship between viral dose and outcome of infection in Atlantic salmon, Salmo salar L., post-smolts bath-challenged with salmonid alphavirus subtype 3 

      Jarungsriapisit, Jiraporn; Moore, Lindsey; Mæhle, Stig; Skår, Cecilie Kristin; Einen, Ann Cathrine B.; Fiksdal, Ingrid Uglenes; Morton, Hugh Craig; Stefansson, Sigurd Olav; Taranger, Geir Lasse; Patel, Sonal (Peer reviewed; Journal article, 2016-10-19)
      Salmonid alphavirus subtype 3 (SAV3) causes pancreas disease (PD) and adversely affects salmonid aquaculture in Europe. A better understanding of disease transmission is currently needed in order to manage PD outbreaks. ...