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Browsing NTNU Open by Author "Jutfelt, Fredrik"

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    • Are model organisms representative for climate change research? Testing thermal tolerance in wild and laboratory zebrafish populations 

      Morgan, Rachael; Sundin, Josefin; Finnøen, Mette Helene; Dresler, Gunnar; Vendrell, Marc Martinez; Dey, Arpita; Sarkar, Kripan; Jutfelt, Fredrik (Journal article; Peer reviewed, 2019)
      Model organisms can be useful for studying climate change impacts, but it is unclear whether domestication to laboratory conditions has altered their thermal tolerance and therefore how representative of wild populations ...
    • Behavioural traits correlate in zebrafish (Danio rerio) selected for high and low upper thermal tolerance 

      Brusevold, Tine Elisabeth Dahl (Master thesis, 2019)
      Ferskvannssystemer er spesielt sårbare for klimaforandringer, så forskning på ferskvannsorganismer i lys av temperaturforandringer er viktig. I denne studien, ble sebrafisk selektert gjennom fire generasjoner for øvre ...
    • CTmax is repeatable and doesn't reduce growth in zebrafish 

      Morgan, Rachael; Finnøen, Mette Helene; Jutfelt, Fredrik (Journal article; Peer reviewed, 2018)
      Critical thermal maximum (CTmax) is a commonly and increasingly used measure of an animal’s upper thermal tolerance limit. However, it is unknown how consistent CTmax is within an individual, and how physiologically taxing ...
    • Development of an automated annular arena and thermal preference of zebrafish selected for thermal tolerance 

      Andreassen, Anna H. (Master thesis, 2019)
      Gjennom åtferdsbasert temperaturregulering kan ektoterme dyr regulera kroppstemperaturen ved å velje habitatområder med ulike temperaturar. Dette er livsviktig for akvatiske ektotermer som blir utsett for aukande ...
    • Does V̇O2peak improve risk prediction of cardiovascular disease in older adults? The Generation 100 study 

      Kristin Espolin Johnson (Master thesis, 2019)
      Bakgrunn: De siste to tiårene har det blitt utviklet flere risikomodeller for kardiovaskulær sykdom (CVD). I Norge, er risikomodellen NORRISK 2 anbefalt, men denne modellen er dårlig på prediksjon i eldre voksne. I tidligere ...
    • Effects of elevated carbon dioxide on male and female behavioural lateralization in a temperate goby 

      Sundin, Josefin; Jutfelt, Fredrik (Journal article; Peer reviewed, 2018)
      Behavioural abnormality in fishes has been proposed as a significant consequence of the increasing levels of carbon dioxide occurring in the oceans. Negative effects of elevated CO2 have been reported for behaviours such ...
    • Elevated CO2 affects embryonic development and larval phototaxis in a temperate marine fish 

      Forsgren, Elisabet; Dupont, Sam; Jutfelt, Fredrik; Amundsen, Trond (Journal article; Peer reviewed, 2013)
      As an effect of anthropogenic CO2 emissions, the chemistry of the world’s oceans is changing. Understanding how this will affect marine organisms and ecosystems are critical in predicting the impacts of this ongoing ocean ...
    • Exposure to elevated carbon dioxide does not impair short‐term swimming behaviour or shelter‐seeking in a predatory coral‐reef fish 

      Raby, Graham; Sundin, Josefin; Jutfelt, Fredrik; Cooke, Steven J.; Clark, Timothy (Journal article; Peer reviewed, 2018)
      Adult bluespotted rockcod Cephalopholis cyanostigma, a coral‐reef grouper, were acclimated to either ambient (mean ± s.d. 406 ± 21 μatm; 1 atmos = 101325 Pa) or high pCO2 (945 ± 116 μatm) conditions in a laboratory for 8–9 ...
    • Food web changes under ocean acidification promote herring larvae survival 

      Sswat, Michael; Stiasny, Martina; Taucher, Jan; Alguero-Muñiz, Maria; Bach, Lennart T; Jutfelt, Fredrik; Riebesell, Ulf; Clemmesen, Catriona (Journal article; Peer reviewed, 2018)
      Ocean acidification—the decrease in seawater pH due to rising CO2 concentrations—has been shown to lower survival in early life stages of fish and, as a consequence, the recruitment of populations including commercially ...
    • Growth performance and survival of larval Atlantic herring, under the combined effects of elevated temperatures and CO2 

      Sswat, Michael; Stiasny, Martina, H.; Jutfelt, Fredrik; Riebesell, Ulf; Clemmesen, Catriona (Journal article; Peer reviewed, 2018)
      In the coming decades, environmental change like warming and acidification will affect life in the ocean. While data on single stressor effects on fish are accumulating rapidly, we still know relatively little about ...
    • How to quantify thermal acclimation capacity? 

      Einum, Sigurd; Ratikainen, Irja Ida; Wright, Jonathan; Pelabon, Christophe; Bech, Claus; Jutfelt, Fredrik; Stawski, Clare; Burton, Tim (Peer reviewed; Journal article, 2019)
      The capacity of organisms to acclimate will influence their ability to cope with ongoing global changes in thermal regimes. Here we highlight methodological issues associated with recent attempts to quantify variation in ...
    • Impact of early life stress on behaviour and dorsal raphe serotonergic activity in zebrafish (Danio rerio) 

      Golla, Archana (Doctoral theses at NTNU;2021:317, Doctoral thesis, 2021)
      Exposure to stress in early life stages may lead to structural and functional changes in a developing brain. These changes can increase the risk of cognitive and behavioural abnormalities, which further increase the risk ...
    • Increased energy expenditure is an indirect effect of habitat structural complexity loss 

      Castejón-Silvo, Inés; Terrados, Jorge; Nguyen, Thanh; Jutfelt, Fredrik; Infantes, Eduardo (Peer reviewed; Journal article, 2021)
      The deterioration of coastal habitats cascades to the decline of associated fauna by reducing trophic resource availability, shelter from predators and nursery grounds. The decline of biogenic habitat structure, such as ...
    • Intestinal uptake of polystyrene (PS) and polyethylene terephthalate (PET) nanoplastic particles in the Atlantic salmon (Salmo salar) parr and post-smolt, and translocation of PET nanoplastic particles to the circulatory system and liver in parr. 

      Gundersen, Gina Almås (Master thesis, 2019)
      Mikro- (20 µm – 5 mm) og nano- (< 20 µm) plast utgjør i dag en stor miljøbekymring gjennom akkumulering i marine miljø. Nyere studier viser også at marine vertebrater og invertebrater inntar plastpartikler og at disse ...
    • Long-term exposure to elevated carbon dioxide does not alter activity levels of a coral reef fish in response to predator chemical cues 

      Sundin, Josefin; Amcoff, Mirjam; Matteos-Gonzales, Fernando; Raby, Graham; Jutfelt, Fredrik; Clark, Timothy (Journal article; Peer reviewed, 2017)
      Levels of dissolved carbon dioxide (CO2) projected to occur in the world’s oceans in the near future have been reported to increase swimming activity and impair predator recognition in coral reef fishes. These behavioral ...
    • Neural and behavioural correlates at the upper thermal limit in the zebrafish (Danio rerio) 

      Hall, Petter (Master thesis, 2020)
      Kristisk temperatur maksimum (KTmax), definert som temperaturen hvor bevegelse blir uorganisert og yteevnen går tapt, er ofte brukt til å estimere dyrearters øvre temperatur toleranse. På grunn av de pågående klima ...
    • 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 ...
    • Ocean Acidification Effects on Atlantic Cod Larval Survival and Recruitment to the Fished Population 

      Stiasny, Martina; Mittermayer, Felix; Sswat, Michael; Voss, Rüdiger; Jutfelt, Fredrik; Chierici, Melissa; Puvanendran, Velmurugu; Mortensen, Atle; Reusch, Thorsten B.H.; Clemmesen, Catriona (Journal article; Peer reviewed, 2016)
      How fisheries will be impacted by climate change is far from understood. While some fish populations may be able to escape global warming via range shifts, they cannot escape ocean acidification (OA), an inevitable consequence ...
    • Physiological constraints to climate warming in fish follow principles of plastic floors and concrete ceilings 

      Sandblom, Erik; Clark, Timothy; Gräns, Albin; Ekström, Andreas; Brijs, Jeroen; Sundström, Fredrik; Odelström, Anne; Adill, Anders; Teija, Aho; Jutfelt, Fredrik (Journal article; Peer reviewed, 2016-05-17)
      Understanding the resilience of aquatic ectothermic animals to climate warming has been hindered by the absence of experimental systems experiencing warming across relevant timescales (for example, decades). Here, we ...

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