Browsing Faculty of Science and Technology by Title

Now showing items 10207-10226 of 10829

    • Triploid Atlantic salmon and triploid Atlantic salmon × brown trout hybrids have better freshwater and early seawater growth than diploid counterparts 

      Fraser, Thomas; Lerøy, Hilde; Hansen, Tom Johnny; Skjæraasen, Jon Egil; Tronci, Valentina; Pinto Pedrosa, Cindy; Fjelldal, Per Gunnar; Nilsen, Tom Ole (Journal article; Peer reviewed, 2021)
      The use of reproductively sterile triploid salmonids would enhance the environmental sustainability of the aquaculture industry by preventing genetic exchange between escapees and wild conspecifics. To this end, we assessed ...

    • Triploid induction in Atlantic cod (Gadus morhua L.) by the use of different pressure levels 

      Håvardstun, Susanne (Master thesis, 2011-10-31)
      In the present experiment, different levels of pressure were investigated to see if it was possible to induce triploidy at a lower pressure level than previously used for Atlantic cod (Gadus morhua). Newly fertilized eggs ...

    • Triploidisering av Atlantisk torsk (Gadus morhua); effekt av varierende hydrostatisk trykk og trykktidspunkt på triploiditet, samt konsekvenser for utvikling. 

      Nordhus, Benedicte (Master thesis, 2013-10-31)
      Flere av utfordringene i norsk torskeoppdrett, er direkte eller delvis knyttet opp mot fiskens kjønnsmodningsfase. Kjønnsmodning fører blant annet til redusert appetitt og vekt, dårligere filetkvalitet samt høyere dødelighet. ...

    • Triploidy leads to a mismatch of smoltification biomarkers in the gill and differences in the optimal salinity for post-smolt growth in Atlantic salmon 

      de Fonseka, Raneesha; Fjelldal, Per Gunnar; Sambraus, Florian; Nilsen, Tom Ole; Remø, Sofie C.; Stien, Lars Helge; Reinardy, Helena; Madaro, Angelico; Hansen, Tom Johnny; Fraser, Thomas (Journal article; Peer reviewed, 2022)
      Sterile triploid Atlantic salmon (Salmo salar) show inconsistent seawater grow-out, but the reason why remains unclear. The purpose of this study was to determine the salinity optima of triploid post-smolts. Diploids and ...

    • Trivial gain of downscaling in future projections of higher trophic levels in the Nordic and Barents Seas 

      Nilsen, Ina; Fransner, Sara Filippa Krusmynta; Olsen, Are; Tjiputra, Jerry; Hordoir, Robinson; Hansen, Cecilie (Journal article; Peer reviewed, 2023)
      Downscaling physical forcing from global climate models is both time consuming and labor demanding and can delay or limit the physical forcing available for regional marine ecosystem modelers. Earlier studies have shown ...

    • Trofiske interaksjoner mellom appendicularia (halesekkdyr) og marine virus – konsekvens for virus diversitet, spredning og persistens. 

      Grønlund, Anine Veronica (Master thesis, 2018-09-01)
      The appendicularian Oikopleura dioica (Chordata:Tunicata) is a mesozooplanktonic marine organism that utilizes a gelatinous house to effectively trap microscopic particles from seawater. Earlier observations of the ...

    • The Troll Observing Network (TONe): plugging observation holes in Dronning Maud Land, Antarctica 

      Pedersen, Christina Alsvik; Njåstad, Birgit; Aas, Wenche; Darelius, Elin Maria K.; Descamps, Sebastien; Flått, Stig; Hattermann, Tore; Hudson, Stephen; Miloch, Wojciech Jacek; Rykkje, Simen; Schweitzer, Johannes; Storvold, Rune; Tronstad, Stein (Journal article; Peer reviewed, 2024)
      Understanding how Antarctica is changing and how these changes influence the rest of the Earth is fundamental to the future robustness of human society. Strengthening our understanding of these changes and their implications ...

    • Trophic interactions and abiotic factors drive functional and phylogenetic structure of vertebrate herbivore communities across the Arctic tundra biome 

      Speed, James David Mervyn; Skjelbred, Ina Åsnes; Barrio, Isabel C.; Martin, Michael David; Berteaux, Dominique; Bueno, Guillermo; Christie, Katie; Forbes, Bruce C.; Forbey, Jennifer; Fortin, Daniel; Grytnes, John-Arvid; Hoset, Katrine Skamfer; Lecomte, Nicolas; Marteinsdottir, Bryndis; Mosbacher, Jesper Bruun; Pedersen, Åshild Ø.; Ravolainen, Virve; Rees, Eileen C.; Skarin, Anna; Sokolova, Natalya; Thornhill, Andrew H; Tombre, Ingunn; Soininen, Eeva M (Peer reviewed; Journal article, 2019)
      Communities are assembled from species that evolve or colonise a given geographic region, and persist in the face of abiotic conditions and interactions with other species. The evolutionary and colonisation histories of ...

    • Trophic structure of mesopelagic species in the Northeast Atlantic Ocean based on stable isotopes of carbon and nitrogen 

      Fredriksen, Astrid Holtan (Master thesis, 2021-09-03)
      The mesopelagic zone is one of the largest, yet among the least explored habitats of the planet. Possible estimates of fish living in this zone range from around 1 to 15 billon tones of biomass which is 10 to 15 times that ...

    • The tropical Atlantic observing system 

      Foltź, Gregory R.; Brandt, Peter; Richter, Ingo; Rodriguez-fonseca, Belen; Hernandez, Fabrice; Dengler, Marcus; Rodrigues, Regina R.; Schmidt, Jörn O.; Yu, Lisan; Lefevre, Nathalie; Da Cunha, Leticia Cotrim; McPhaden, Michael J.; Araujo Filho, Moacyr C.; Karstensen, Johannes; Hahn, Johannes; Martín-Rey, Marta; Patricola, Christina M.; Poli, Paul; Zuidema, Paquita; Hummels, Rebecca; Perez, Renellys C.; Hatje, Vanessa; Lübbecke, Joke; Polo, Irene; Lumpkin, Rick; Bourles, Bernard; Asuquo, Francis E.; Lehodey, Patrick; Conchon, Anna; Chang, Ping; Dandin, Philippe; Schmid, Claudia; Sutton, Adrienne J.; Giordani, Herve; Xue, Yan; Illig, Serena; Losada, Teresa; Grodsky, Semyon; Gasparin, Florent; Lee, Tong; Mohino, Elsa; Nobre, Paulo; Wanninkhof, Rik; Keenlyside, Noel; Garcon, Veronique; Sánchez-Gómez, Emilia; Nnamchi, Hyacinth C.; Drévillon, Marie; Storto, Andrea; Remy, Elisabeth; Lazar, Alban; Speich, Sabrina; Goes, Marlos P.; Dorrington, Tarquin; Johns, William E.; Moum, James N.; Robinson, Carol; Perruche, Coralie; Souza, Ronald B.; Gaye, Amadou; López-Parages, Jorge; Monerie, Paul-Arthur; Castellanos, Paola; Benson, Nsikak U.; Hounkonnou, Mahouton N.; Duhá, Janice T.; Laxenaire, Rémi; Reul, Nicolas (Peer reviewed; Journal article, 2019-05-10)
      The tropical Atlantic is home to multiple coupled climate variations covering a wide range of timescales and impacting societally relevant phenomena such as continental rainfall, Atlantic hurricane activity, oceanic ...

    • Tropical Atlantic variability: Observations and modeling 

      Cabos, William; de la Vara, Alba; Koseki, Shunya (Peer reviewed; Journal article, 2019-08-27)
      We review the state-of-the-art knowledge of Tropical Atlantic Variability (TAV). A well-developed observing system and sustained effort of the climate modeling community have improved our understanding of TAV. It is dominated ...

    • Tropical Atmospheric Response of Atlantic Niños to Changes in the Ocean Background State 

      Svendsen, Lea; Rodríguez-Fonseca, Belén; Mohino, Elsa; Crespo, Lander Rodriguez; Losada, Teresa (Journal article; Peer reviewed, 2023)
      Since the 1970s, Atlantic Niños during boreal summer have been linked to Pacific La Niñas the following winter. Earlier studies have explained the appearance of the Atlantic-Pacific teleconnection with changing Atlantic ...

    • Tropical temperature variations during the last glacial cycle from stalagmite fluid inclusions 

      Afonso, Camille Marie (Master thesis, 2024-06-03)
      Low latitudes play a key role in the Earth's climate system, receiving the highest amount of solar energy that is redistributed across the globe through atmospheric and oceanic circulation. The MIS 5a – 4 boundary, ...

    • The true fluence distribution of terrestrial gamma flashes at satellite altitude 

      Østgaard, Nikolai; Gjesteland, Thomas; Hansen, R. S.; Collier, A. B.; Carlson, B. E. (Peer reviewed; Journal article, 2012-03-24)

    • True-to-size surface mapping with neutral helium atoms 

      Lambrick, Sam; Salvador Palau, Adria; Hansen, Poul Erik; Bracco, Gianangelo; Ellis, John; Jardine, Andrew P.; Holst, Bodil (Journal article; Peer reviewed, 2021)
      Three-dimensional mapping of microscopic surface structures is important in many applications of technology and research, including areas as diverse as microfluidics, MEMS, and geoscience. However, on the nanoscale, using ...

    • Truncation of the zebrafish E3 ubiquitin ligase and co-chaperone Chip leads to increased disorganisation of Purkinje cell dendrites and an altered heat shock response 

      Letzner, Johanna (Master thesis, 2022-06-01)

    • TRUST NO ONE; Homomorphic Encryption and its Applications 

      Storvestre, Knut Mathias Gaard (Master thesis, 2023-02-02)

    • Tsunami risk communication and management: Contemporary gaps and challenges 

      Rafliana, Irina; Jalayer, Fatemeh; Cerase, Andrea; Cugliari, Lorenzo; Baiguera, Marco; Salmanidou, Dimitra; Necmioglu, Öcal; Aguirre-Ayerbe, Ignacio; Lorito, Stefano; Fraser, Stuart; Løvholt, Finn; Babeyko, Andrey; Salgado-Gálvez, Mario A.; Selva, Jacopo; De Risi, Raffaele; Sørensen, Mathilde Bøttger; Behrens, Jörn; Aniel-Quiroga, Iñigo; Del Zoppo, Marta; Belliazzi, Stefano; Pranantyo, Ignatius Ryan; Amato, Alessandro; Hancilar, Ufuk (Journal article; Peer reviewed, 2022)
      Very large tsunamis are associated with low probabilities of occurrence. In many parts of the world, these events have usually occurred in a distant time in the past. As a result, there is low risk perception and a lack ...

    • Tsv-N1: A novel DNA algal virus that infects tetraselmis striata 

      Pagarete, António; Grébert, Théophile; Stepanova, Olga; Sandaa, Ruth-Anne; Bratbak, Gunnar (Peer reviewed; Journal article, 2015-07-17)
      Numbering in excess of 10 million per milliliter of water, it is now undisputed that aquatic viruses are one of the major factors shaping the ecology and evolution of Earth’s microbial world. Nonetheless, environmental ...

    • Tuning and Development of an Individual-Based Model of the Herring Spawning Migration 

      Kelly, Cian; Michelsen, Finn Are; Kolding, Jeppe; Alver, Morten (Journal article; Peer reviewed, 2022-01-13)
      Norwegian spring spawning herring is a migratory pelagic fish stock that seasonally navigates between distant locations in the Norwegian Sea. The spawning migration takes place between late winter and early spring. In this ...