Recent Submissions

  • Environmental drivers of increased ecosystem respiration in a warming tundra 

    Maes, S.L.; Dietrich, J.; Midolo, G.; Schwieger, S.; Kummu, M.; Vandvik, Vigdis; Aerts, R.; Althuizen, Inge; Biasi, C.; Björk, R.G.; Böhner, Hanna; Carbognani, M.; Chiari, G.; Christiansen, Casper Tai; Clemmensen, K.E.; Cooper, Elisabeth J.; Cornelissen, J.H.C.; Elberling, Bo; Faubert, P.; Fetcher, N.; Forte, T.G.W.; Gaudard, Joseph; Gavazov, K.; Guan, Z.; Guðmundsson, J.; Gya, Ragnhild; Hallin, S.; Hansen, Brage Bremset; Haugum, Siri Vatsø; He, J.-S.; Hicks Pries, Pries; Hovenden, M.J.; Jalava, M.; Jónsdóttir, I.S.; Juhanson, J.; Jung, J.Y.; Kaarlejärvi, E.; Kwon, M.J.; Lamprecht, R.E.; Le Moullec, Mathilde; Lee, Hanna; Marushchak, M.E.; Michelsen, A; Munir, T.M.; Myrsky, E.M.; Nielsen, C.S.; Nyberg, M.; Olofsson, J.; Óskarsson, H.; Parker, T.C.; Pedersen, E.P.; Petit Bon, Matteo; Petraglia, A.; Raundrup, K.; Ravn, N.M.R.; Rinnan, R.; Rodenhizer, H.; Ryde, I.; Schmidt, N.M.; Schuur, E.A.G.; Sjögersten, S.; Stark, S.; Strack, M.; Tang, J.; Tolvanen, A.; Töpper, Joachim Paul; Väisänen, M.K.; van Logtestijn, Logtestijn; Voigt, C.; Walz, J.; Weedon, J.T.; Yang, Y.; Ylänne, H.; Björkman, Mats Peter; Sarneel, J.M.; Dorrepaal, E. (Peer reviewed; Journal article, 2024)
    Arctic and alpine tundra ecosystems are large reservoirs of organic carbon1,2. Climate warming may stimulate ecosystem respiration and release carbon into the atmosphere3,4. The magnitude and persistency of this stimulation ...
  • Occurrence and tissue distribution of 33 legacy and novel per- and polyfluoroalkyl substances (PFASs) in Baikal seals (Phoca sibirica) 

    Sait, Shannen Thora Lea; Rinø, Silje F.; Villa Gonzalez, Susana; Pastukhov, Mikhail V.; Poletaeva, Vera I.; Farkas, Julia; Jenssen, Bjørn Munro; Ciesielski, Tomasz Maciej; Asimakopoulos, Alexandros (Journal article; Peer reviewed, 2023)
    Per- and polyfluoroalkyl substances (PFASs) are bioaccumulative and associated with adverse effects in both wildlife and humans. The occurrence of 33 PFASs was assessed in the plasma, liver, blubber, and brain of 18 Baikal ...
  • Towards logical modeling of disease mechanisms as a tool for therapy design 

    Tsirvouli, Eirini (Doctoral theses at NTNU;2024:191, Doctoral thesis, 2024)
    Precision medicine aims to tailor medical interventions to individual patient characteristics, recognizing the inherent diversity in biological responses. At the core of this approach lies the imperative to move beyond ...
  • Evolvability predicts macroevolution under fluctuating selection 

    Holstad, Agnes; Voje, Kjetil L.; Opedal, Øystein Hjorthol; Bolstad, Geir Hysing; Bourg, Salome Cassandra Sarah; Hansen, Thomas Fredrik; Pelabon, Christophe (Peer reviewed; Journal article, 2024)
    Heritable variation is a prerequisite for evolutionary change, but the relevance of genetic constraints on macroevolutionary timescales is debated. By using two datasets on fossil and contemporary taxa, we show that ...
  • Pixelwise immersion factor calibration for underwater hyperspectral imaging instruments 

    Liu, Hongbo; Summers, Natalie Maria; Chen, Yi-Chun; Løvås, Håvard Snefjellå; Johnsen, Geir; Koestner, Daniel Warren; Sætre, Camilla; Hamre, Børge (Journal article; Peer reviewed, 2024)
    In situ spectral reflectance initially captured at high spatial resolution with underwater hyperspectral imaging (UHI) is effective for classification and quantification in oceanic biogeochemical studies; however, the ...
  • Sex-Dependent Phenotypic Association between Immigration and Seasonal Migration in a Partially Migratory Bird 

    Vuttudal, Annette (Master thesis, 2024)
    Forholdet mellom innvandring og sesongbasert migrasjon — avgjørende for økologiske og evolusjonære dynamikker — forblir et uløst fundamentalt spørsmål i bevegelsesøkologi. En positiv assosiasjon indikerer at høyere ...
  • Identification, mapping, and photobiology of Arctic macro- and microalgae using ROV-UHI 

    Summers, Natalie (Doctoral theses at NTNU;2024:237, Doctoral thesis, 2024)
    This thesis comprises firstly of method development, using a newly developed remotely operated vehicle carrying an underwater hyperspectral imaging camera (mini-ROV-UHI) for identification and mapping of brown, green and ...
  • Socio-Ecological Perspectives of Avifauna Conservation in the Indawgyi Wetland Ecosystem, Myanmar 

    Htay, Thazin (Doctoral theses at NTNU;2024:156, Doctoral thesis, 2024)
    Wetlands are the most productive ecosystems in the world and play a crucial role in avian conservation. However, wetland ecosystems are closely associated with anthropogenic landscapes and their avifauna are affected by ...
  • Causes and consequences of variation in age at maturity in Atlantic salmon (Salmo salar) 

    Raunsgard, Astrid (Doctoral theses at NTNU;2024:163, Doctoral thesis, 2024)
    Understanding the causes and consequences of variation in life-history traits is fundamental for managing natural populations in a changing environment. Atlantic salmon (Salmo salar) spend 1–5 years feeding at sea before ...
  • Carbon cycle feedbacks in an idealized simulation and a scenario simulation of negative emissions in CMIP6 Earth system models 

    Asaadi, Ali; Schwinger, Jörg; Lee, Hanna; Tjiputra, Jerry; Arora, Vivek K.; Séférian, Roland; Liddicoat, Spencer; Hajima, Tomohiro; Santana-Falcòn, Yeray; Jones, Chris D. (Journal article; Peer reviewed, 2024)
    Limiting global warming to well below 2 ∘C by the end of the century is an ambitious target that requires immediate and unprecedented emission reductions. In the absence of sufficient near-term mitigation, this target will ...
  • Effects of different live feeding regimes on the development and lipid composition of ballan wrasse (Labrus bergylta) larvae 

    García-Calvo, Laura (Master thesis, 2024)
    Lakselus (Lepeophtheirus salmonis) utgjør en av de største utfordringene for utvidelsen av norsk lakseoppdrett, og påvirker produksjonen, fiskevelferden og villaksbestandene negativt. Effektiviteten til både kjemiske og ...
  • Evaluating hyperspectral Secchi depth retrieval through hybrid modeling and regression 

    Bakken, Sivert; Luis, Kelly; Johnsen, Geir; Johansen, Tor Arne (Peer reviewed; Journal article, 2023)
    This work compares different regression models combined with hybrid modeling to estimate water clarity using hyper-spectral remote sensing data. The Secchi depth, a proxy of water clarity, can be modeled using first ...
  • Towards a circular phosphorus economy in Norway - Strategies for integrating agriculture and aquaculture at multiple scales 

    Müller, Daniel Beat; Las Heras Hernandez, Miguel; Pandit, Avijit Vinayak; Øgaard, Anne Falk; Reitan, Kjell Inge (Research report, 2023)
    Phosphorus is a building block for all life and therefore plays an essential role in food production. Currently, large amounts of phosphorus enter the Norwegian food system from abroad in the form of mineral fertilizer, ...
  • Simulating Hyperspectral Datacubes for Ocean Color: A Foundation for Phytoplankton Recognition in Spectral Signatures 

    oudijk, AE; Johansen, Tor Arne; Johnsen, Geir; Alver, Morten Omholt (Journal article, 2023)
  • Radiative forcing geoengineering causes higher risk of wildfires and permafrost thawing over the Arctic regions 

    Müller, Rhonda C.; Kim, Jin-Soo; Lee, Hanna; Muri, Helene; Tjiputra, Jerry; Yoon, Jin-Ho; Schaepman-Strub, Gabriela (Journal article; Peer reviewed, 2024)
    Radiative forcing geoengineering is discussed as an intermediate solution to partially offset greenhouse gas-driven warming by altering the Earth’s energy budget. Here we use an Earth System Model to analyse the response ...
  • Life history traits and demography of a mountain bird under climatic variation 

    Eriksen, Lasse Frost (Doctoral theses at NTNU;2024:90, Doctoral thesis, 2024)
    Ongoing climate change can be expected to have major consequences for many species and ecosystems. Effects have been reported on reproduction, survival and movement ecology, with potential impacts for population dynamics ...
  • The effect of salmon protein hydrolysate on palatability for Atlantic salmon smolts 

    Alnæs, Maren Elgsaas (Master thesis, 2024)
    Krav om bedre fiskevelferd og mer bærekraftig akvakultur gjør det nødvendig å finne nye og bedre fôrressurser. Når man vurderer nye ingredienser til fôr, kan valg av strategi ha stor innvirkning på tolkningen av kvaliteten ...
  • Expanding the coverage of regulons from high-confidence prior knowledge for accurate estimation of transcription factor activities 

    Müller-Dott, Sophia; Tsirvouli, Eirini; Vazquez, Miguel; Ramirez Flores, Ricardo O; Badia-I-Mompel, Pau; Fallegger, Robin; Türei, Dénes; Lægreid, Astrid Renner; Saez-Rodriguez, Julio (Peer reviewed; Journal article, 2023)
    Gene regulation plays a critical role in the cellular processes that underlie human health and disease. The regulatory relationship between transcription factors (TFs), key regulators of gene expression, and their target ...
  • Tracing the footprints of Arctic pollution: Spatial variations in toxic and essential elements in Svalbard reindeer (Rangifer tarandus platyrhynchus) faeces 

    Andersson Stavridis, Malin Maria Zoi; Røed, Susanne Brix; Hansen, Brage Bremset; Mikkelsen, Øyvind; Ciesielski, Tomasz Maciej; Jenssen, Bjørn Munro (Journal article; Peer reviewed, 2023)
    The Arctic is an accumulation zone of long-range transported pollution. In addition, local anthropogenic activities further contribute to regional pollution levels. The Svalbard reindeer (Rangifer tarandus platyrhynchus) ...
  • A comprehensive evaluation of predictive performance of 33 species distribution models at species and community levels 

    Norberg, Anna; Abrego, Nerea; Blanchet, F. Guillaume; Adler, Frederick R.; Anderson, Barbara J.; Anttila, Jani; Araújo, Miguel B.; Dallas, Tad; Dunson, David; Elith, Jane; Foster, Scott D.; Fox, Richard; Franklin, Janet; Godsoe, William; Guisan, Antoine; OHara, Robert Brian; Hill, Nicole A.; Holt, Robert D.; Hui, Francis K.C.; Husby, Magne; Kålås, John Atle; Lehikoinen, Aleksi; Luoto, Miska; Mod, Heidi K.; Newell, Graeme; Renner, Ian; Roslin, Tomas; Soininen, Janne; Thuiller, Wilfried; Vanhatalo, Jarno; Warton, David; White, Matt; Zimmermann, Niklaus E; Gravel, Dominique; Ovaskainen, Otso (Journal article; Peer reviewed, 2019)
    A large array of species distribution model (SDM) approaches has been developed for explaining and predicting the occurrences of individual species or species assemblages. Given the wealth of existing models, it is unclear ...

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