Recent Submissions

  • Survival rate and breeding outputs in a high Arctic seabird exposed to legacy persistent organic pollutants and mercury 

    Goutte, Aurélie; Barbraud, Christophe; Herzke, Dorte; Bustamante, Paco; Angelier, Frédéric; Tartu, Sabrina; Clement-Chastel, Celine; Moe, Børge; Bech, Claus; Gabrielsen, Geir W.; Bustnes, Jan Ove; Chastel, Olivier (Journal article; Peer reviewed, 2015)
    Chronic exposure to pollutants may represent a threat for wildlife.We tested whether adult survival rate, breeding probability and breeding success the year of sampling and the following year were affected by blood levels ...
  • DNA double-strand breaks in relation to persistent organic pollutants in a fasting seabird 

    Fenstad, Anette; Jenssen, Bjørn Munro; Moe, Børge; Hanssen, Sveinn Are; Bingham, Christopher George; Herzke, Dorte; Bustnes, Jan Ove; Krøkje, Åse (Journal article; Peer reviewed, 2014)
    Lipophilic persistent organic pollutants (POPs) are released from fat reserves during fasting, causing increased blood concentrations. Thus, POPs represent a potential anthropogenic stressor during fasting periods. We ...
  • Exposure to oxychlordane is associated with shorter telomeres in arctic breeding kittiwakes 

    Blévin, Pierre; Angelier, Frédéric; Tartu, Sabrina; Ruault, Stéphanie; Bustamante, Paco; Herzke, Dorte; Moe, Børge; Bech, Claus; Gabrielsen, Geir W.; Bustnes, Jan Ove; Chastel, Olivier (Journal article; Peer reviewed, 2016)
    Telomeres are DNA-protein complexes located at the end of chromosomes, which play an important role in maintaining the genomic integrity. Telomeres shorten at each cell division and previous studies have shown that telomere ...
  • Temporal variation in circulating concentrations of organochlorine pollutants in a pelagic seabird breeding in the high arctic 

    Bustnes, Jan Ove; Bårdsen, Bård-Jørgen; Moe, Børge; Herzke, Dorte; Hanssen, Sveinn Are; Sagerup, Kjetil; Bech, Claus; Nordstad, Tore; Chastel, Olivier; Tartu, Sabrina; Gabrielsen, Geir W. (Journal article; Peer reviewed, 2017)
    The present study explored short-term temporal variations in circulating concentrations of 3 legacy organochlorines with different physicochemical properties (polychlorinated biphenyl 153 [PCB-153], p,p0-dichlorodiphenyl ...
  • Mercury exposure, stress and prolactin secretion in an Arctic seabird: an experimental study 

    Tartu, Sabrina; Bustamante, Paco; Angelier, Frédéric; Lendvai, Adam Z.; Moe, Børge; Blévin, Pierre; Bech, Claus; Gabrielsen, Geir W.; Bustnes, Jan Ove; Chastel, Olivier (Peer reviewed; Journal article, 2016)
    Life-history theory predicts that long-lived organisms should reduce parental effort under inclement environmental conditions in order to favour long-term survival. Seabirds are long-lived top predators often exposed to ...
  • Ocean acidification ameliorates harmful effects of warming in primary consumer 

    Pedersen, Sindre Andre; Hanssen, Anja Elise (Journal article; Peer reviewed, 2018)
    Climate change-induced warming and ocean acidification are considered two imminent threats to marine biodiversity and current ecosystem structures. Here, we have for the first time examined an animal's response to a complete ...
  • No effect of elevated carbon dioxide on reproductive behaviors in the three-spined stickleback 

    Sundin, Josefin; Vossen, Laura; Nilsson-Sköld, Helen; Jutfelt, Fredrik (Journal article; Peer reviewed, 2017)
    Ocean acidification, the reduction in ocean pH resulting from anthropogenic emissions of carbon dioxide (CO2), has been predicted to alter the behavior of fishes. During experimental exposure to CO2 concentrations projected ...
  • Ocean acidification causes no detectable effect on swimming activity and body size in a common copepod 

    Almen, Anna-Karin; Brutemark, Andreas; Jutfelt, Fredrik; Riebesell, Ulf; Engström-Ost, Jonna (Journal article; Peer reviewed, 2017)
    Ocean acidification can impair an animal’s physiological performance and energetically demanding activities such as swimming. Behavioural abnormalities and changed activity in response to ocean acidification are reported ...
  • Rodent population dynamics affect seedling recruitment in alpine habitats 

    Nystuen, Kristin O; Evju, Marianne; Rusch, Graciela; Graae, Bente Jessen; Eide, Nina Elisabeth (Journal article; Peer reviewed, 2014)
    Questions How do rodents with cyclic population dynamics affect seedling recruitment in alpine habitats? Does disturbance from rodents have larger implications on seedling recruitment in some plant communities than in ...
  • The measure and mismeasure of reciprocity in heterostylous flowers 

    Armbruster, W. Scott; Bolstad, Geir Hysing; Hansen, Thomas F; Keller, Barbara; Conti, Elena; Pelabon, Christophe (Journal article; Peer reviewed, 2017)
    The goal of biological measurement is to capture underlying biological phenomena in numerical form. The reciprocity index applied to heterostylous flowers is meant to measure the degree of correspondence between fertile ...
  • Adsorption of phenanthrene to carbon nanotubes and its influence on phenanthrene bioavailability/toxicity in aquatic organisms 

    Glomstad, Berit (Doctoral theses at NTNU;2017:323, Doctoral thesis, 2017)
    Carbon nanotubes (CNTs) are engineered nanomaterials (ENMs) which due to their unique properties are being incorporated into a growing number of applications. The increased production and use of CNTs increases the risk of ...
  • Modelling the dynamics of growth, development and lipid storage in the marine copepod Calanus finmarchicus 

    Jager, Tjalling; Salaverria-Zabalegui, Iurgi Imanol; Altin, Dag; Nordtug, Trond; Hansen, Bjørn Henrik (Journal article; Peer reviewed, 2017)
    Mechanistic models are essential tools for interpreting and predicting the consequences of a changing environment and stressors such as pollution on the life histories of marine organisms. Here, we apply the simple and ...
  • Differential reproductive responses to stress reveal the role of life-history strategies within a species 

    Schultner, Jannik; Kitaysky, Alexander S.; Gabrielsen, Geir W.; Hatch, Scott; Bech, Claus (Journal article; Peer reviewed, 2013)
    Life-history strategies describe that ‘slow’- in contrast to ‘fast’-living species allocate resources cautiously towards reproduction to enhance survival. Recent evidence suggests that variation in strategies exists not ...
  • Migration and stress during reproduction govern telomere dynamics in a seabird 

    Schultner, Jannik; Moe, Børge; Chastel, Olivier; Bech, Claus; Kitaysky, Alexander S. (Journal article; Peer reviewed, 2014)
    Changes in telomere length are believed to reflect changes in physiological state and life expectancy in animals. However, much remains unknown about the determinants of telomere dynamics in wild populations, and specifically ...
  • Being stressed outside the park — conservation of African elephants (Loxodonta africana) in Namibia 

    Hunninck, Louis; Ringstad, Iris; Jackson, Craig Ryan; May, Roelof Frans; Fossøy, Frode; Uiseb, Kenneth; Killian, Werner; Røskaft, Eivin (Journal article; Peer reviewed, 2017)
    The conservation of the African savanna elephant (Loxodonta africana) is of prime importance for many African countries. Interactions between elephants and humans are known to induce stress and thereby have the potential ...
  • Comparison of organic and conventional food and food production. Part II: Animal health and welfare in Norway 

    Bøe, Knut Egil; Bernhoft, Aksel; Hansen, Inger; Hoel, Kristian; Moe, Randi Oppermann; Seehus, Siri Christine; Svihus, Birger; Whist, Anne C; Østerås, Olav; Andreassen, Åshild Kristine; Arukwe, Augustine; Braastad, Bjarne Olai; Erikson, Ulf Gøran; Haugen, Margaretha; Hemre, Gro Ingunn; Hjeltnes, Brit Kristine; Krogdahl, Åshild; Källqvist, Torsten; Lassen, Jørgen Fredrik; Mortensen, Stein Håkon; Næss, Bjørn; Olsen, Rolf-Erik; Rimstad, Espen; Skåre, Janneche Utne; Steffensen, Inger-Lise; Sundheim, Leif; Torrissen, Ole; Alexander, Jan (VKM Report;, Research report, 2014)
  • Comparison of organic and conventional food and food Production. Part I: Plant health and plant production 

    Sundheim, Leif; Hofsvang, Trond; Magnusson, Christer; Eriksen, Gunnar Sundstøl; Brandsæter, Lars Olav; Brodal, Guro; Remberg, Siv Fagertun; Uhlen, Anne Kjersti; Andreassen, Åshild Kristine; Arukwe, Augustine; Bernhoft, Aksel; Bøe, Knut Egil; Haugen, Margaretha; Hemre, Gro Ingunn; Krogdahl, Åshild; Källqvist, Torsten; Lassen, Jørgen Fredrik; Næss, Bjørn; Rafoss, Trond; Skåre, Janneche Utne; Sletten, Arild; Solheim, Halvor; Steffensen, Inger-Lise; Torrissen, Ole; Tronsmo, Anne Marte; Økland, Bjørn Inge; Alexander, Jan (VKM Report;, Research report, 2014)
    Organic plant production in 2012 covered 50 200 ha which is 5.1% of the total agricultural area of Norway. The country is on the northern frontier for commercial plant production with short growing season, low summer ...
  • Comparison of organic and conventional food and food Production. Part IV: Human health – hygiene and pathogens 

    Lassen, Jørgen Fredrik; Kapperud, Georg; Lunestad, Bjørn Tore; Robertson, Lucy Jane; Tranulis, Michael A.; Yazdankhah, Siamak Pour; Andreassen, Åshild Kristine; Arukwe, Augustine; Bøe, Knut Egil; Eckner, Karl Friedrich; Haugen, Margaretha; Hemre, Gro Ingunn; Krogdahl, Åshild; Källqvist, Torsten; Nesbakken, Truls; Nygård, Karin Maria; Næss, Bjørn; Skåre, Janneche Utne; Steffensen, Inger-Lise; Sundheim, Leif; Torrissen, Ole; Tryland, Morten; Alexander, Jan (VKM Report;, Research report, 2014)
  • A spatio-temporally explicit random encounter model for large-scale population surveys 

    Jousimo, Jussi; Ovaskainen, Otso (Journal article; Peer reviewed, 2016)
    Random encounter models can be used to estimate population abundance from indirect data collected by non-invasive sampling methods, such as track counts or camera-trap data. The classical Formozov–Malyshev–Pereleshin (FMP) ...
  • Computational Visual Stress Level Analysis of Calcareous Algae Exposed to Sedimentation 

    Osterloff, Jonas; Nilssen, Ingunn; Eide, Ingvar; Figueiredo, Marcia AO; Tamega, Frederico TS; Nattkemper, Tim W. (Journal article; Peer reviewed, 2016)
    This paper presents a machine learning based approach for analyses of photos collected from laboratory experiments conducted to assess the potential impact of water-based drill cuttings on deep-water rhodolith-forming ...

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