Recent Submissions

  • A qualitative study of students’ motivations for a biology field course in Svalbard 

    Totland, Kari Lie (Master thesis, 2024-06-03)
    In this thesis I investigate graduate students’ motivations for choosing a biology field course at The University Centre in Svalbard (UNIS). Both students and teachers value field courses and they are considered important ...
  • Hvilke effekter har konkurranse, temperatur og transplantasjon på frøproduksjon og spiringsevne hos lavlandsplanter når de er transplantert utenfor sitt nåværende utbredelsesområde? 

    Espeland, Ingrid (Master thesis, 2024-06-03)
    Økning av temperatur som følge av klimaendringer har ført til endringer i strukturen og sammensetningen av økosystemer, som gjør at flere plantearter har utvidet og endret utbredelsesområdet for å følge sin klimatiske ...
  • Vertical distribution of epibenthic megafauna of a large seamount west of Cape Verde islands (tropical North Atlantic) 

    Scepanski, Dominik; Augustin, Nico; Dünn, Manon; Scherwaß, Anja; Xavier, Joana R.; Werner, Johannes; Waldvogel, Ann-Marie; Arndt, Hartmut (Journal article; Peer reviewed, 2024)
    Seamounts are thought to function as hotspots of megafauna diversity due to their topology and environmental characteristics. However, assessments of megafauna communities inhabiting seamounts, including diversity and ...
  • On connection algebras of symmetric spaces and reductive homogeneous spaces 

    Stava, Jonatan (Doctoral thesis, 2024-10-25)
    Betrakt en glatt reell mangofldighet med en affin kobling. Denne koblingen former en algebra over vektorrommet av glatte seksjoner av tangentbunten. Vi kaller denne algebraen for koblingsalgebraen. Runge-Kutta-metoder ...
  • Biotic transformation of methylmercury at the onset of the Arctic spring bloom 

    Kohler, Stephen Gustav; Heimbürger-Boavida, Lars-Eric; Assmy, Philipp Kurt Wolf; Müller, Oliver; Thiele, Stefan; Digernes, Maria Guadalupe; Ndungu, Kuria; Ardelan, Murat van (Journal article; Peer reviewed, 2024)
    Despite the lack of local anthropogenic mercury sources, methylated mercury (MeHg) concentrations in Arctic biota are higher than in biota from lower latitudes. The main entry route occurs during the bioconcentration of ...
  • Effects of time spent in pregnancy or brooding on immunocompetence 

    Revathi Venkateswaran, Vandana; Gokhale, Chaitanya S.; Mangel, Marc; Eliassen, Sigrunn (Journal article; Peer reviewed, 2024)
    Sexes of a species may show different characteristics beyond the differences in their sexual organs and such sexual dimorphism often occurs in the level of immune response when exposed to pathogens (immunocompetence). In ...
  • Apomixis occurs frequently along the entire American Cordillera 

    Ptáček, Jan; Sklenář, Petr; Klimes, Adam; Romoleroux, Katya; Vidal-Russell, Romina; Urfus, Tomáš (Journal article; Peer reviewed, 2024)
    Apomictic plants mostly occur at higher latitudes and higher elevations, where they tend to occupy deglaciated areas. By analysing samples of the alpine floras of different latitudinal zones of the Americas (Argentina, ...
  • Comparing Structure and Dynamics of Transition Graphs by the Symmetric Difference Metric Over an Edge-Filtration 

    Pascual, Belen Garcia; Salbu, Lars Moberg; Renz, Jessica; Giannakis, Konstantinos; Johnston, Iain (Journal article; Peer reviewed, 2024)
    Transition graphs or transition diagrams, describing the rates and probabilities with which a system changes between discrete states, are common throughout the sciences. In many cases, parameterisations of transition graphs ...
  • Mathematical Modelling of Cellular and Evolutionary Processes in Changing Environments 

    García Pascual, Belén (Doctoral thesis, 2024-10-25)
    Endrende miljøer er av sentral betydning i biologi, siden egenskapene og atferdene til alle organismer, fra bakterier til dyr, formes av hvor de lever. Dermed er organismer slik de er fordi de tidligere har tilpasset seg ...
  • Intercomparison of initialization methods for seasonal-to-decadal climate predictions with the NorCPM 

    Garcia Oliva, Lilian Carolina; Counillon, Francois Stephane; Bethke, Ingo; Keenlyside, Noel Sebastian (Journal article; Peer reviewed, 2024)
    Initialization is essential for accurate seasonal-to-decadal (S2D) climate predictions. The initialization schemes used differ on the component initialized, the Data Assimilation method, or the technique. We compare five ...
  • Optimizing Formic Acid-Assisted Co-HTL of Digested Sewage Sludge and Lignocellulosic Waste for Enhanced Bio-Crude Yield and Energy Recovery 

    Herdlevær, Kristoffer Mega; Barth, Tanja (Journal article; Peer reviewed, 2024)
    In recent years, hydrothermal liquefaction (HTL) has gained attention as a means of enhancing and increasing the production of biofuels from biomass. Co-HTL involves the simultaneous processing of two or more feedstocks, ...
  • Exploring the Potential of Biomass Resources Available in Western Norway 

    Herdlevær, Kristoffer Mega (Doctoral thesis, 2024-10-21)
    Fornybare energikilder som vind, sol, vannkraft og geotermisk energi kan bidra til å erstatte fossile ressurser for å dekke et energibehov, men de kan ikke erstatte vanlig brukte fossilbaserte kjemiske produkter og ...
  • Coupled data assimilation for climate prediction: a focus on ocean-atmosphere coupling 

    Garcia Oliva, Lilian Carolina (Doctoral thesis, 2024-10-17)
    Klimavarslingen fra sesong til flere ti år kan hjelpe industri og næringsliv i energi sektor, bærekraftig matproduksjonm til å ta avgjørelser og forbedre håndtering av klimarisiko. Havet spiller en sentral rolle i å utvikle ...
  • An Assessment of CO2 Storage and Sea-Air Fluxes for the Atlantic Ocean and Mediterranean Sea Between 1985 and 2018 

    Pérez, Fiz F.; Becker, Meike; Goris, Nadine; Gehlen, Marion; Lopez-Mozos, Marta; Tjiputra, Jerry; Olsen, Are; Müller, Jens D.; Huertas, I. Emma; Chau, T.T.T.; Caínzos, V.; Velo, A.; Benard, G.; Hauck, J.; Gruber, Nicolas; Wanninkhof, R. (Journal article; Peer reviewed, 2024)
    As part of the second phase of the Regional Carbon Cycle Assessment and Processes project (RECCAP2), we present an assessment of the carbon cycle of the Atlantic Ocean, including the Mediterranean Sea, between 1985 and ...
  • Bubbling trouble: Effects of supersaturated water on benthic macroinvertebrates 

    Velle, Gaute; Isaksen, Trond Einar; Lennox, Robert; Pulg, Ulrich (Journal article; Peer reviewed, 2024)
    The saturation of total dissolved gases (TDG) in water remains around 100%. Certain circumstances can lead to TDG values exceeding 100%, resulting in TDG supersaturation (TDGS). TDGS above about 110% can be toxic to animals ...
  • Toxicological studies of marine mammals: In vitro experiments with fin whale (Balaenoptera physalus) fibroblasts and in silico studies of cytochrome P450 proteins 

    Steinshamn, Iselin Johnsen (Master thesis, 2024-08-19)
    Whales and marine mammals are an important part of the marine ecosystems, but also vulnerable for exposure to chemical pollution in the water. Studies of these animals are important for guiding our understanding of the ...
  • Reading tea leaves worldwide: Decoupled drivers of initial litter decomposition mass-loss rate and stabilization 

    Sarneel, Judith M.; Hefting, Mariet M.; Sandén, Taru; van den Hoogen, Johan; Routh, Devin; Adhikari, Bhupendra S.; Alatalo, Juha M.; Aleksanyan, Alla; Althuizen, Inge; Alsafran, Mohammed H S A; Atkins, Jeff W.; Augusto, Laurent; Aurela, Mika; Azarov, Aleksej V.; Barrio, Isabel C.; Beier, Claus; Bejarano, María D; Benham, Sue E.; Berg, Björn; Bezler, Nadezhda V.; Björnsdóttir, Katrín; Bolinder, Martin A.; Carbognani, Michele; Cazzolla Gatti, Roberto; Chelli, Stefano; Chistotin, Maxim V.; Christiansen, Casper Tai; Courtois, Pascal; Crowther, Thomas W.; Dechoum, Michele S.; Djukic, Ika; Duddigan, Sarah; Egerton-Warburton, Louise M.; Fanin, Nicolas; Fantappiè, Maria; Fares, Silvano; Fernandes, Geraldo W.; Filippova, Nina V.; Fliessbach, Andreas; Fuentes, David; Godoy, Roberto; Grünwald, Thomas; Guzmán, Gema; Hawes, Joseph; He, Yue; Hero, Jean-Marc; Hess, Laura L.; Hogendoorn, Katja; Høye, Toke T.; Jans, Wilma W P; Jónsdóttir, Ingibjörg S; Keller, Sabina; Kepfer-Rojas, Sebastian; Kuz'menko, Natalya N.; Larsen, Klaus S.; Laudon, Hjalmar; Lembrechts, Jonas J.; Li, Junhui; Limousin, Jean-Marc; Lukin, Sergey M.; Marques, Renato; Marín, César; McDaniel, Marshall D.; Meek, Qi; Merzlaya, Genrietta E.; Michelsen, Anders; Montagnani, Leonardo; Mueller, Peter; Murugan, Rajasekaran; Myers-Smith, Isla H.; Nolte, Stefanie; Ochoa-Hueso, Raúl; Okafor, Bernard N.; Okorkov, Vladimir V.; Onipchenko, Vladimir G.; Orozco, María C; Parkhurst, Tina; Peres, Carlos A.; Petit Bon, Matteo; Petraglia, Alessandro; Pingel, Martin; Rebmann, Corinna; Scheffers, Brett R.; Schmidt, Inger; Scholes, Mary C.; Sheffer, Efrat; Shevtsova, Lyudmila K.; Smith, Stuart; Sofo, Adriano; Stevenson, Pablo R.; Strouhalová, Barbora; Sundsdal, Anders; Sühs, Rafael B.; Tamene, Gebretsadik; Thomas, Haydn J D; Tolunay, Duygu; Tomaselli, Marcello; Tresch, Simon; Tucker, Dominique L.; Ulyshen, Michael D.; Valdecantos, Alejandro; Vandvik, Vigdis; Vanguelova, Elena I.; Verheyen, Kris; Wang, Xuhui; Yahdjian, Laura; Yumashev, Xaris S.; Keuskamp, Joost A. (Journal article; Peer reviewed, 2024)
    The breakdown of plant material fuels soil functioning and biodiversity. Currently, process understanding of global decomposition patterns and the drivers of such patterns are hampered by the lack of coherent large-scale ...
  • In the Wake of Deeper Convection: Nonsteady State Anthropogenic Carbon in the Greenland Sea 

    Olsen, Are; Rajasakaren, Balamuralli; Jeansson, Emil; Lauvset, Siv Kari; Omar, Abdirahman; Becker, Meike (Journal article; Peer reviewed, 2024)
    We evaluate changes in dissolved inorganic carbon (DIC) in the Greenland Sea between 2002 and 2016, a period characterized by increasing convection depths. We find a mid-depth maximum in anthropogenic carbon (Cant) ...

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