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Browsing Department of Biology by Issue Date 
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  • Browsing Department of Biology by Issue Date
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Browsing Department of Biology by Issue Date

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      Long-term changes in life-history traits of Norwegian spring-spawning herring 

      Claireaux, Marion (The University of Bergen, 2019)
      Life-history traits are key determinants of populations’ dynamics. Those traits are susceptible to natural selection and are therefore sensitive to the mortality regime and the selection pattern a population experience. ...
      Doctoral thesis
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      Fødebiologi til nordlig lysprikkfisk (Benthosema glaciale, Reinhardt 1837) i fire Nordatlantiske havbassenger 

      Sunde, Synne Myhre (The University of Bergen, 2018-12-19)
      Nordlig lysprikkfisk er den mest utbredte lysprikkfiskarten nord for 35°. De er tidligere kjent for å ha en diett bestående av kopepoder, krill og amfipoder, og ansees som opportunistiske predatorer. Datamaterialet for ...
      Master thesis
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      Mesopelagic sound scattering layers and possible explanations for their diel variations in Bjørnafjorden, western Norway 

      Rokke, Kristine (The University of Bergen, 2018-12-19)
      This thesis investigates the diel variations in mesopelagic acoustic scattering layers in Bjørnafjorden (60° 5' N 5° 23'E), western Norway. The main objective was to map these scattering layers and investigate possible ...
      Master thesis
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      A climate for seed predation: Precipitation affects seed removal by the major groups of granivores differently across boreal, sub-alpine and alpine grasslands 

      Schwitters, Joris Emil Lie (The University of Bergen, 2018-12-15)
      Granivory, the seed predation by animals, plays an important role for plant and animal populations, and impact species composition and functioning of ecosystems. The intensity in granivory depends on various biotic and ...
      Master thesis
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      Effects of storage on product quality of bivalves (oysters, scallops, and clams) 

      Lopes Da Costa, Vera Diana (The University of Bergen, 2018-12-15)
      The purpose of this thesis is to investigate the effects of the different storage conditions concerning quality of oysters Ostrea edulis, scallops Pecten maximus and clams Arctica islandica. Quality of bivalves is a very ...
      Master thesis
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      Improved density measurements of mesopelagic fish and the presence of physonect siphonophores in sound scattering layers, measured with multifrequency acoustics and a stereo camera mounted on a lowered probe 

      Thorvaldsen, Kjetil Gjeitsund (The University of Bergen, 2018-12-11)
      The mesopelagic layer is a massive layer of biomass which stretches from 200-1000 meters depth in almost all locations of the world oceans. These layers are inhabited by many groups of animals, from small zooplankton to ...
      Master thesis
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      Biological transformation of Arctic dissolved organic matter in a NE Greenland fjord 

      Paulsen, Maria Lund; Müller, Oliver; Larsen, Aud; Møller, Eva Friis; Middelboe, Mathias; Sejr, Mikael Kristian; Stedmon, Colin A. (Wiley, 2018-12-07)
      Arctic waters are often enriched with terrestrial dissolved organic matter (DOM) characterized by having elevated visible wavelength fluorescence (commonly termed humic-like). Here, we have identified the sources ...
      Journal article
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      Mouthrot in farmed Atlantic salmon 

      Frisch, Kathleen Marie (The University of Bergen, 2018-12-05)
      Mouthrot is a major health and welfare problem in farmed Atlantic salmon (Salmo salar) smolts in the Pacific Northwest (West Coast of North America), particularly in the first few months following saltwater transfer. This ...
      Doctoral thesis
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      Long-Term Climate Regime Modulates the Impact of Short-Term Climate Variability on Decomposition in Alpine Grassland Soils 

      Althuizen, Inge; Lee, Hanna; Sarneel, Judith M.; Vandvik, Vigdis (Springer Nature, 2018-12)
      Decomposition of plant litter is an important process in the terrestrial carbon cycle and makes up approximately 70% of the global carbon flux from soils to the atmosphere. Climate change is expected to have significant ...
      Journal article
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      Eksperimentell eksponering av laksefiskyngel for salmonid alphavirus (SAV3) – Sammenligning av mottakelighet og konsekvens hos brunørret (Salmo trutta L.) og atlantisk laks (Salmo salar L.) 

      Vossgård, Anne Moberg (The University of Bergen, 2018-12)
      Salmonid alfavirus (SAV) forårsaker pankreassyke (PD) hos laksefisk i oppdrett. PD er utbredt i Norge og var den mest rapporterte virussykdommen i 2017. Det er en bekymring at rømt oppdrettsfisk som er infisert med viruset ...
      Master thesis
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      Variation in leaf functional traits through the early development of coastal heathland plants 

      Nesheim-Hauge, Elisabeth (The University of Bergen, 2018-12)
      Seedling recruitment provides a mechanism for re-establishment after fire and is thus key in the life cycle of managed heathland plant species. However, the seedling phase is a vulnerable stage of the plant’s life cycle, ...
      Master thesis
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      Aquaculture relevant stressors and their impacts on skin and wound healing in post-smolt Atlantic salmon (Salmo salar L.) 

      Sveen, Lene Rydal (The University of Bergen, 2018-11-30)
      The work described in this thesis focuses on the response mechanisms in the skin of post-smolt Atlantic salmon (Salmo salar L.) under the following challenging conditions: i. The effect of high biomass and low specific ...
      Doctoral thesis
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      Nutritional composition and heavy metal content in Sardinella maderensis, Decapterus rhoncus, Sardinella aurita, Trachurus trecae and Sphyraena guachancho off the coast of Angola 

      Christiansen, Sofie Myhre (The University of Bergen, 2018-11-20)
      In sub-Saharan Africa approximately 224 million people are undernourished (FAO, 2017a). Fish play an important role in enhancing the nutritional status and food security in Africa and is an important source of protein ...
      Master thesis
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      The effect of foraging ecology on the onset of dawn song for passerine species 

      Ulltang, Marte (The University of Bergen, 2018-11-20)
      Passerine birds have a burst of energetic singing prior to sunrise during the breeding season, called the dawn chorus. In this thesis, I examine how interspecific differences in foraging ecology can explain the scheduling ...
      Master thesis
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      Quorum sensing and biofilm formation potential in Norwegian Tenacibaculum dicentrarchi isolates 

      Øyro, Johanne (The University of Bergen, 2018-11-20)
      Fish farming has become one of the most important industries in Norway. To handle further growth, both in sea- and land-based facilities, challenges should be dealt with in a sustainable manner. Among these challenges ...
      Master thesis
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      Roles of M-phase cell cycle regulatory paralogs in the urochordate Oikopleura dioica 

      Feng, Haiyang (The University of Bergen, 2018-11-16)
      Cell cycle progression is controlled by a series of regulators with complex spatialtemporal dynamics, ensuring faithful transitions of different phases. The urochordate Oikopleura has systemically employed diverse cell ...
      Doctoral thesis
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      High fish density delays wound healing in Atlantic salmon (Salmo salar) 

      Sveen, Lene Rydal; Timmerhaus, Gerrit; Krasnov, Aleksei; Takle, Harald; Stefansson, Sigurd Olav; Handeland, Sigurd O; Ytteborg, Elisabeth (Nature Publishing, 2018-11-15)
      In this study, we look closer at how high fish densities influence wound repair mechanisms in post-smolt Atlantic salmon. The fish were wounded with a 5 mm skin punch biopsy needle and stocked at two different densities, ...
      Journal article
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      Neuroendocrine factors involved in appetite control and feed intake in Atlantic salmon (Salmo salar) reared in Recirculating Aquaculture Systems (RAS). 

      Berg, Gunnar Merckoll (The University of Bergen, 2018-11-15)
      The control of appetite in vertebrates is a complex process that depends on a range of signals from peripheral tissues and neuro- and endocrine signals originating in the brain. The hypothalamus is believed to be the ...
      Master thesis
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      The importance of vegetation functional composition in mediating climate change impacts on ecosystem carbon dynamics in alpine grasslands 

      Althuizen, Inge (The University of Bergen, 2018-11-08)
      Climate is changing around the world, and because temperature and water are key drivers of many ecosystem processes this is expected to have significant effects on ecosystem processes and functioning, including ecosystem ...
      Doctoral thesis
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      Pathology of experimentally induced mouthrot caused by Tenacibaculum maritimum in Atlantic salmon smolts 

      Frisch, Kathleen Marie; Småge, Sverre Bang; Johansen, Renate; Duesund, Henrik; Brevik, Øyvind Jakobsen; Nylund, Are (PLOS, 2018-11-01)
      Mouthrot, caused by Tenacibaculum maritimum is a significant disease of farmed Atlantic salmon, Salmo salar on the West Coast of North America. Smolts recently transferred into saltwater are the most susceptible and affected ...
      Journal article

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