Blar i Institutt for biologi på tittel

Viser treff 2098-2117 av 2522

    • A species-level trait dataset of bats in Europe and beyond 

      Froidevaux, Jérémy S. P.; Toshkova, Nia; Barbaro, Luc; Benítez-López, Ana; Kerbiriou, Christian; Le Viol, Isabelle; Pacifici, Michela; Santini, Luca; Stawski, Clare; Russo, Danilo; Dekker, Jasja; Alberdi, Antton; Amorim, Francisco; Ancillotto, Leonardo; Barré, Kévin; Bas, Yves; Cantú-Salazar, Lisette; Dechmann, Dina K. N.; Devaux, Tiphaine; Eldegard, Katrine; Fereidouni, Sasan; Furmankiewicz, Joanna; Hamidovic, Daniela; Hill, Davina L.; Ibáñez, Carlos; Julien, Jean-François; Juste, Javier; Kaňuch, Peter; Korine, Carmi; Laforge, Alexis; Legras, Gaëlle; Leroux, Camille; Lesiński, Grzegorz; Mariton, Léa; Marmet, Julie; Mata, Vanessa A.; Mifsud, Clare M.; Nistreanu, Victoria; Novella-Fernandez, Roberto; Rebelo, Hugo; Roche, Niamh; Roemer, Charlotte; Ruczyński, Ireneusz; Sørås, Rune; Uhrin, Marcel; Vella, Adriana; Voigt, Christian C.; Razgour, Orly (Peer reviewed; Journal article, 2023)
      Knowledge of species’ functional traits is essential for understanding biodiversity patterns, predicting the impacts of global environmental changes, and assessing the efficiency of conservation measures. Bats are major ...

    • Specific Impact of Tobamovirus Infection on the Arabidopsis Small RNA Profile 

      Hu, QA; Hollunder, Jens; Niehl, A; Körner, Camilla J; Gereige, Dalya; Windels, David; Arnold, Andreas; Kuiper, Martin; Vazquez, Frank; Pooggin, M; Heinlein, M (Journal article; Peer reviewed, 2011)
      Tobamoviruses encode a silencing suppressor that binds small RNA (sRNA) duplexes in vitro and supposedly in vivo to counteract antiviral silencing. Here, we used sRNA deep-sequencing combined with transcriptome profiling ...

    • Specific metabolites in a Phaeodactylum tricornutum strain Isolated from Western Norwegian fjord water 

      Prestegard, Siv Kristin; Erga, Svein Rune; Steinrücken, Pia; Mjøs, Svein Are; Knutsen, Gjert; Rohloff, Jens (Journal article; Peer reviewed, 2015-12-30)
      We have searched for special characteristics in growth, protein expression, fatty acids and volatile organic compounds (VOCs) in a local Phaeodactylum tricornutum Bohlin strain (Bergen Marine Biobank), by comparing it with ...

    • Spectral and RGB analysis of the light climate and its ecological impacts using an all-sky camera system in the Arctic 

      Grant, Stephen Denis; Johnsen, Geir; McKee, David; Zolich, Artur Piotr; Cohen, Jonathan H. (Peer reviewed; Journal article, 2023)
      The ArcLight observatory provides an hourly continuous time series of all-sky images providing light climate data (intensity, spectral composition, and photoperiod) from the Arctic (Svalbard at 79°N). Until recently, no ...

    • Spectral characteristics of coralline algae: a multi-instrumental approach, with emphasis on underwater hyperspectral imaging 

      Mogstad, Aksel Alstad (Master thesis, 2017)
      Coralline algae constitute a cosmopolitan group of calcifying rhodophytes (red algae) known to form important marine ecosystems. Currently, detailed knowledge of their abundance and distribution is lacking in certain regions ...

    • Spectral characteristics of coralline algae: a multi-instrumental approach, with emphasis on underwater hyperspectral imaging 

      Mogstad, Aksel Alstad; Johnsen, Geir (Journal article; Peer reviewed, 2017)
      Coralline algae constitute a cosmopolitan group of calcifying rhodophytes (red algae) that display characteristic optical fingerprints due to light absorption by specific light-harvesting pigments. The spectrally conspicuous ...

    • Sperm DNA Hypomethylation Proximal to Reproduction Pathway Genes in Maturing Elite Norwegian Red Bulls 

      Khezri, Abdolrahman; Narud, Birgitte; Stenseth, Else-Berit; Zeremichael, Teklu Tewoldebrhan; Myromslien, Frøydis Deinboll; Robert C., Wilson; Ahmad, Rafi; Kommisrud, Elisabeth (Peer reviewed; Journal article, 2020)
      Genomic selection in modern farming demands sufficient semen production in young bulls. Factors affecting semen quality and production capacity in young bulls are not well understood; DNA methylation, a complicated phenomenon ...

    • Stabilizing selection and adaptive evolution in a combination of two traits in an arctic ungulate 

      Holand, Håkon; Kvalnes, Thomas; Røed, Knut; Holand, Øystein; Sæther, Bernt-Erik; Kumpula, Jukka (Journal article; Peer reviewed, 2020)
      Stabilizing selection is thought to be common in wild populations and act as one of the main evolutionary mechanisms, which constrain phenotypic variation. When multiple traits interact to create a combined phenotype, ...

    • Stakeutholdenhetsprestasjon hos godt trente mannlige langrennsløpere i kulde 

      Heidelberg, Cecilie Thon (Master thesis, 2012)
      Bakgrunn: Til nå har kun få studier undersøkt hvordan overkroppskapasitet påvirkesav lave lufttemperaturer (Alsobrook & Heil, 2009). Mål: Studiens mål var å undersøkeeffekten av lav (-15 C) og moderat lav (6 C) lufttemperatur ...

    • Start-feeding of lumpfish (Cyclopterus lumpus L.) larvae with Artemia and copepods, focusing on growth effects, survival, live prey selection and larval robustness 

      Rian, Synne Therese (Master thesis, 2019)
      Fra 1970-tallet har den norske produksjonen av Atlantisk laks (Salmo salar) økt betydelig. I de siste årene har produksjonen stagnert på grunn av høye forekomster av de marine ektoparasittene lakselus (Lepoptheirus salmonis) ...

    • STARTRENS – Optimalisert startfôring av rensefisk. Sluttrapport for FHF-prosjekt 901561 

      Hagemann, Andreas; Malzahn, Arne; Hansen, Bjørn Henrik; Ribicic, Deni; Sarno, Antonio; Kjørsvik, Elin; Vu, Tu Anh; Jager, Tjalling (Research report, 2022)
      Dette er den faglige sluttrapporten for prosjektet "STARTRENS – Optimalisert startfôring av rensefisk" som ble finansiert av Fiskeri- og havbruksnæringens forskningsfinansiering (#901561). Rensefisk har en sentral rolle i ...

    • State dependence of arousal from torpor in brown long-eared bats (Plecotus auritus) 

      Sørås, Rune; Fjelldal, Mari Aas; Bech, Claus; van der Kooij, Jeroen; Skåra, Karoline Hansen; Eldegard, Katrine; Stawski, Clare (Peer reviewed; Journal article, 2022)
      To cope with periods of low food availability and unsuitable environmental conditions (e.g., short photoperiod or challenging weather), many heterothermic mammals can readily go into torpor to save energy. However, torpor ...

    • Statement on the applicability of the 2008 VKM report "Combined toxic effects of multiple chemical exposures" after consideration of more recently published reports on risk assessment of combined exposures. Opinion of the Steering Scientific Committee of the Norwegian Scientific Committee for Food Safety 

      Hetland, Ragna Bogen; Arukwe, Augustine; Bernhoft, Aksel; Haugen, Margaretha; Hemre, Gro Ingunn; Källqvist, Torsten; Krogdahl, Åshild; Lassen, Jørgen Fr; Nerland, Audun Helge; Næss, Bjørn; Steffensen, Inger-Lise; Skåre, Janneche Utne; Sundheim, Leif; Torrissen, Ole; Østerås, Olav; Alexander, Jan (VKM Report;, Research report, 2013)
      The theoretical principles for the various types of combined toxic effects of multiple chemical exposures and the description of models for handling cases where such effects are likely to occur are still applicable as ...

    • Statistical methods for estimating intra- and inter-population variation in genetic diversity 

      Holand, Anna Marie (Doktoravhandlinger ved NTNU, 1503-8181; 2013:239, Doctoral thesis, 2013)
      Knowledge of the level of (additive) genetic variation within and among populations is important for our understanding of the future direction and rate of evolutionary change. In this thesis I first investigate how ...

    • Statistical Modelling of Gene Expression Data 

      Jørstad, Tommy Stokmo (Doktoravhandlinger ved NTNU, 1503-8181; 2008:186, Doctoral thesis, 2008)

    • Status for småblankbestanden i Namsen 

      Thorstad, Eva Bonsak; Hindar, Kjetil; Berg, Ole Kristian; Saksgård, Laila M.; Norum, Ine Cecilie Jordalen; Sandlund, Odd Terje; Hesthagen, Trygve H.; Lehn, Lars Ove (NINA Rapport;403, Research report, 2009)
      Småblanken, som finnes kun i Namsenvassdraget, er den eneste bestanden av ferskvannsstasjonær laks i Europa som lever hele livet i elva og ikke har vandringer til innsjøer. Her utredes status for bestanden basert på 1) ...

    • Stay or go – how topographic complexity influences alpine plant population and community responses to climate change 

      Graae, Bente Jessen; Vandvik, Vigdis; Armbruster, W. Scott; Eiserhardt, Wolf L.; Svenning, Jens-Christian; Hylander, Kristoffer; Ehrlén, Johan; Speed, James D.M.; Klanderud, Kari; Bråthen, Kari Anne; Milbau, Ann; Opedal, Øystein Hjorthol; Alsos, Inger G.; Ejrnæs, Rasmus; Bruun, Hans Henrik; Birks, H. John B.; Westergaard, Kristine Bakke; Birks, Hilary H; Lenoir, Jonathan (Journal article; Peer reviewed, 2017)
      In the face of climate change, populations have two survival options − they can remain in situ and tolerate the new climatic conditions (“stay”), or they can move to track their climatic niches (“go”). For sessile and ...

    • Steroids hormones and persistent organic pollutants in plasma from North-eastern Atlantic pilot whales 

      Hoydal, Katrin Sunniva; Styrishave, Bjarne; Ciesielski, Tomasz Maciej; Letcher, Robert J.; Dam, Maria; Jenssen, Bjørn Munro (Journal article; Peer reviewed, 2017)
      Persistent organic pollutants (POPs) are known to have endocrine disruptive effects, interfering with endogenous steroid hormones. The present study examined nine steroid hormones and their relationships with the concentrations ...

    • Steroids in house sparrows (Passer domesticus): Effects of POPs and male quality signalling 

      Nossen, Ida; Ciesielski, Tomasz Maciej; Dimmen, Malene Vågen; Jensen, Henrik; Ringsby, Thor Harald; Polder, Anuschka; Rønning, Bernt; Jenssen, Bjørn Munro; Styrishave, Bjarne (Journal article, 2016)
      At high trophic levels, environmental contaminants have been found to affect endocrinological processes. Less attention has been paid to species at lower trophic levels. The house sparrow (Passer domesticus) may be a useful ...

    • Still Arctic? — The changing Barents Sea 

      Gerland, Sebastian; Ingvaldsen, Randi Brunvær; Reigstad, Marit; Sundfjord, Arild; Bogstad, Bjarte; Chierici, Melissa; Hop, Haakon; Renaud, Paul Eric; Smedsrud, Lars Henrik; Stige, Leif Christian; Årthun, Marius; Berge, Jørgen; Bluhm, Bodil Annikki Ulla Barbro; Borgå, Katrine; Bratbak, Gunnar; Divine, Dmitry V; Eldevik, Tor; Eriksen, Elena; Fer, Ilker; Fransson, Agneta; Gradinger, Rolf Rudolf; Granskog, Mats A.; Haug, Tore; Husum, Katrine; Johnsen, Geir; Jonassen, Marius Opsanger; Jørgensen, Lis Lindal; Kristiansen, Svein; Larsen, Aud; Lien, Vidar Surén; Lind, Sigrid; Lindstrøm, Ulf Ove; Mauritzen, Cecilie; Melsom, Arne; Mernild, Sebastian H.; Müller, Malte; Nilsen, Frank; Primicerio, Raul; Søreide, Janne; van der Meeren, Gro Ingleid; Wassmann, Paul (Peer reviewed; Journal article, 2023)
      The Barents Sea is one of the Polar regions where current climate and ecosystem change is most pronounced. Here we review the current state of knowledge of the physical, chemical and biological systems in the Barents Sea. ...