Blar i Department of Biological Sciences på tittel

Viser treff 460-479 av 2216

    • Differences in growth and survival between cod Gadus morhua and herring Clupea harengus early stages co-reared at variable prey concentrations 

      Folkvord, Arild; Vollset, Knut Wiik; Catalan, Ignacio (Peer reviewed; Journal article, 2015-09-28)
      It was hypothesized that the survival and growth strategies of herring Clupea harengus, displaying a flexible reproductive activity, are adapted to coping with longer periods of prey deprivation (i.e. more variable prey ...

    • Differences in metabolic rate between two Atlantic cod (Gadus morhua) populations estimated with carbon isotopic composition in otoliths 

      Smolinski, Szymon; Denechaud, Come; von Leesen, Gotje; Geffen, Audrey J.; Grønkjær, Peter; Godiksen, Jane A.; Campana, Steven E. (Journal article; Peer reviewed, 2021)
      The isotopic composition of inorganic carbon in otoliths (δ13Coto) can be a useful tracer of metabolic rates and a method to study ecophysiology in wild fish. We evaluated environmental and physiological sources of δ13Coto ...

    • Differences in soil arthropod communities along a high altitude gradient at Shergyla Mountain, Tibet, China 

      Jing, Sheng; Solhøy, Torstein; Huifu, Wang; Vollan, Thor Inge; Rumei, Xu (Peer reviewed; Journal article, 2005)
      This is the first time that the soil arthropod communitycomposition along a high-altitude gradient (3,837, 4,105, and5,050 m a.s.l.) has been investigated in eastern Tibet, China.Five soil samples of 50 cm super(2) were ...

    • Different delivery routes of double stranded RNA to obtain RNA Interference in the salmon louse (Lepeophtheirus salmonis) 

      Rios Barbosa, Joao Paulo (Master thesis, 2016-05-31)
      Lepeophtheirus salmonis (Krøyer 1837), commonly known as the salmon louse, is an ectoparasitic copepod specific to wild and farmed salmonids (Boxaspen, 2006), and probably the most serious problem that the Norwegian ...

    • Different production protocols influence smolt physiology and growth in seawater for Atlantic salmon (Salmo salar) 

      Heimdal, Erik (Master thesis, 2022-06-01)

    • Different sets of traits explain abundance and distribution patterns of European plants at different spatial scales 

      Sporbert, Maria; Welk, Erik; Seidler, Gunnar; Jandt, Ute; Acíc, Svetlana; Biurrun, Idoia; Campos, Juan Antonio; Čarni, Andraž; Cerabolini, Bruno E.L.; Chytrý, Milan; Custerevska, Renata; Dengler, Jürgen; De Sanctis, Michele; Dziuba, Tetiana; Fagúndez, Jamie; Field, Richard; Golub, Valentin; He, Tianhua; Jansen, Florian; Lenoir, Jonathan; Marcenó, Corrado; Martín-Forés, Irene; Moeslund, Jesper Erenskjold; Moretti, Marco; Niinemets, Ülo; Peñuelas, Josep; Pérez-Haase, Aaron; Vandvik, Vigdis; Vassilev, Kiril; Vynokurov, Denys; Bruelheide, Helge (Journal article; Peer reviewed, 2021)
      Aim Plant functional traits summarize the main variability in plant form and function across taxa and biomes. We assess whether geographic range size, climatic niche size, and local abundance of plants can be predicted ...

    • Differential toxicity of bioorthogonal non-canonical amino acids (BONCAT) in Escherichia coli 

      Landor, Lotta Anni Ingeborg; Bratbak, Gunnar; Larsen, Aud; Tjendra, Jesslyn; Våge, Selina (Journal article; Peer reviewed, 2023)
      Single-cell methods allow studying the activity of single bacterial cells, potentially shedding light on regulatory mechanisms involved in services like biochemical cycling. Bioorthogonal non-canonical amino acid tagging ...

    • Digestibility and functionality of black soldier fly larvae meal in Atlantic salmon feeds 

      Radhakrishnan, Gopika (Doctoral thesis, 2024-02-09)
      Fordøyeligheten og funksjonaliteten til delvis avfettet mel av svarte soldatfluelarver (BSFL) er studert i fôret til atlantisk laks (Salmo salar). Insektmel er et lovende alternativ til konvensjonelle fôringredienser på ...

    • Digestive protease activities, growth and feed utilisation in Atlantic salmon (Salmo salar L.) 

      Sunde, Jan (Doctoral thesis, 2006-03-03)
      The specific activities of trypsin and chymotrypsin in the pyloric caeca were investigated in individually labeled Atlantic salmon (Salmo salar L.). Photoperiod (natural or 24 h) and feed protein quality (two levels of ...

    • Diminishing returns on labour in the global marine food system 

      Scherrer, Kim Josefin Niklasdotter; Rousseau, Yannick; Teh, Lydia C.L.; Sumaila, U. Rashid; Galbraith, Eric D. (Journal article; Peer reviewed, 2023)
      Technological advances over the past century have greatly reduced the proportion of human labour required to produce the world’s food. On land, these advances have continually increased yields, feeding a growing human ...

    • Direct photon measurements in pp and Pb-Pb collisions with the ALICE experiment 

      Acharya, Shreyasi; Adam, Jaroslav; Adamová, Dagmar; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, G; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahmad, N; Ahn, SU; Alme, Johan; Altenkaemper, Lucas; Arsene, Ionut Christian; Bätzing, Paul Christoph; Djuvsland, Øystein; Dordic, Olja; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Langøy, Rune; Lardeux, Antoine Xavier; Lien, Jørgen André; Lindal, Svein; Lønne, Per-Ivar; Mahmood, Sohail Musa; Milosevic, Jovan; Nesbø, Simon Voigt; Nystrand, Joakim; Rehman, Attiq Ur; Richter, Matthias Rudolph; Røed, Ketil; Røhrich, Dieter; Skaali, Toralf Bernhard; Tambave, Ganesh Jagannath; Tveter, Trine Spedstad; Ullaland, Kjetil; Velure, Arild; Wagner, Boris; Wikne, Jon Christopher; Zhang, Hui; Zhao, Chengxin; Zhou, Zhuo; Zhu, Hongsheng; Qvigstad, Henrik; Aiola, Salvatore; Akindinov, Alexander; Alam, Sk Noor; Alba, José Luis Bazo; Aleksandrov, Dimitry; ALICE, Collaboration (Peer reviewed; Journal article, 2017-11)
      Direct photon production in heavy-ion collisions provides a valuable set of observables to study the hot QCD medium. The direct photons are produced at different stages of the collision and escape the medium unaffected. ...

    • Discards of cod (Gadus morhua) in the Norwegian coastal fisheries: improving past and future estimates 

      Berg, Hilde Sofie Fantoft; Clegg, Thomas L; Blom, Geir; Kolding, Jeppe; Ono, Kotaro; Nedreaas, Kjell Harald (Journal article; Peer reviewed, 2022)
      Discarding can be an unknown source of biases and uncertainties in stock assessments. Discarding patterns and quantities vary so a routine methodology for estimating discards is important to give a better picture of total ...

    • Discovery of active off-axis hydrothermal vents at 9° 54′N East Pacific Rise 

      McDermott, Jill M.; Parnell-Turner, Ross; Barreyre, Thibaut; Herrera, Santiago; Downing, Connor C.; Pittoors, Nicole C.; Pehr, Kelden; Vohsen, Samuel A.; Dowd, William S.; Wu, Jyun-Nai; Marjanović, Milena; Fornari, Daniel J. (Journal article; Peer reviewed, 2022)
      Comprehensive knowledge of the distribution of active hydrothermal vent fields along midocean ridges is essential to understanding global chemical and heat fluxes and endemic faunal distributions. However, current knowledge ...

    • Discovery of Nuclear-Encoded Genes for the Neurotoxin Saxitoxin in Dinoflagellates 

      Stüken, Anke; Orr, Russell J. S.; Kellmann, Ralf; Murray, Shauna A.; Neilan, Brett A.; Jakobsen, Kjetill S. (Peer reviewed; Journal article, 2011-05-18)
      Saxitoxin is a potent neurotoxin that occurs in aquatic environments worldwide. Ingestion of vector species can lead to paralytic shellfish poisoning, a severe human illness that may lead to paralysis and death. In ...

    • Disentangling effects and context dependencies of climate change on alpine plants 

      Gya, Ragnhild (Doctoral thesis, 2022-12-02)
      Klimaendringer byr på nye utfordringer for fjellplanter, og påvirker dem både direkte gjennom å endre fysiologiske prosesser, og indirekte gjennom endringer i interaksjoner mellom planter. Disse indirekte effektene kan ...

    • Disentangling Obstacles to Knowledge Co-Production for Early-Career Researchers in the Marine Sciences 

      Rölfer, Lena; Elias Ilosvay, Xochitl E.; Ferse, Sebastian C.A.; Jung, Julia; Karcher, Denis B.; Kriegl, Michael; Nijamdeen, TWGF Mafaziya; Riechers, Maraja; Walker, Emily-Zoe Elizabeth (Journal article; Peer reviewed, 2022)
      Knowledge co-production involving researchers and non-academic actors is becoming increasingly important for tackling sustainability issues. Coastal and marine social-ecological systems are one example where knowledge ...

    • Disentangling the complexity of permafrost soil by using high resolution profiling of microbial community composition, key functions and respiration rates 

      Müller, Oliver; Bang‐Andreasen, Toke; White III, Richard Allen; Elberling, Bo; Taş, Neslihan; Kneafsey, Timothy J.; Jansson, Janet K; Øvreås, Lise (Peer reviewed; Journal article, 2018-12-13)
      Thawing permafrost can stimulate microbial activity, leading to faster decomposition of formerly preserved organic matter and CO2 release. Detailed knowledge about the vertical distribution of the responsible microbial ...

    • Disentangling the effects of sex, life history and genetic background in Atlantic salmon: growth, heart and liver under common garden conditions 

      Perry, William Bernard; Solberg, Monica Favnebøe; Brodie, Christopher; Medina, Angela C.; Pillay, Kirthana G.; Egerton, Anna; Harvey, Alison C.; Creer, Simon; Llewellyn, Martin; Taylor, Martin I.; Carvalho, Gary R.; Glover, Kevin (Journal article; Peer reviewed, 2020)
      Livestock domestication has long been a part of agriculture, estimated to have first occurred approximately 10 000 years ago. Despite the plethora of traits studied, there is little understanding of the possible impacts ...

    • Disintegration stability of extruded fish feed affects gastric functions in Atlantic salmon (Salmo salar) 

      Bogevik, André Sture; Samuelsen, Tor Andreas; Aspevik, Tone; Romarheim, Odd Helge; Aas, Turid Synnøve; Kalananthan, Tharmini; Rønnestad, Ivar (Journal article; Peer reviewed, 2021)
      In the present study, two salmon feeds with different disintegration stabilities were produced by impacting extruder viscous heat dissipation with the use of different lipid levels in the feed mix. The feeds were then dried ...

    • Dispersal limitations matter for microbial morphospecies 

      Telford, Richard J.; Vandvik, Vigdis; Birks, Harry John Betteley (Peer reviewed; Journal article, 2006)
      In contrast with macroorganisms, whose geographical ranges are typically restricted, many microbial species appear to have cosmopolitan distributions. This observation has been explained as a consequence of ubiquitous ...