Browsing Department of Biological Sciences by Title

Now showing items 2013-2032 of 2301

    • Spatiotemporal Dynamics of Ammonia-Oxidizing Thaumarchaeota in Distinct Arctic Water Masses 

      Müller, Oliver; Wilson, Bryan; Paulsen, Maria Lund; Rumińska, Agnieszka; Armo, Hilde R.; Bratbak, Gunnar; Øverås, Lise (Peer reviewed; Journal article, 2018-01-23)
      One of the most abundant archaeal groups on Earth is the Thaumarchaeota. They are recognized as major contributors to marine ammonia oxidation, a crucial step in the biogeochemical cycling of nitrogen. Their universal ...

    • Spawning site distribution of a bluefin tuna reduces jellyfish predation on early life stages 

      Ottmann, Daniel; Fiksen, Øyvind; Martín, Melissa; Alemany, Francisco; Prieto, Laura; Álvarez-Berastegui, Diego; Reglero, Patricia (Journal article; Peer reviewed, 2021)
      Bluefin tunas across the world migrate long distances to spawn in particularly warm and oligotrophic areas constrained by oceanographic fronts. The low abundance of predators in these areas increases survival chances of ...

    • Spawning time in adult polar cod (Boreogadus saida) altered by crude oil exposure, independent of food availability 

      Strople, Leah Catherine; Vieweg, Ireen; Yadetie, Fekadu; Odei, Derrick Kwame; Thorsen, Anders; Karlsen, Odd André; Goksøyr, Anders; Sørensen, Lisbet; Sarno, Antonio; Hansen, Bjørn Henrik; Frantzen, marianne; Hansen, Øyvind J; Puvanendran, Velmurugu; Nahrgang, Jasmine (Journal article; Peer reviewed, 2023)
      Fish early life stages are well known for their sensitivity to crude oil exposure. However, the effect of crude oil exposure on adults and their gametes during their spawning period is not well studied. Polar cod, a key ...

    • Spawning, settlement and growth of Ciona intestinalis in Øygarden, Hardangerfjorden and Kvitsøy 

      Laupsa, Marita (Master thesis, 2015-04-24)
      Due to the increasing aquaculture industry, new resources for feed should be assessed. A high protein content in Ciona intestinalis have increased the interest to farm C. intestinalis, and use as a feed resource. In addition, ...

    • Special feature: measuring components of ecological resilience in long-term ecological datasets 

      Seddon, Alistair William Robin (Journal article; Peer reviewed, 2021)
      Ecological resilience has become a focal concept in ecosystem management. Palaeoecological records (i.e. the sub-fossil remains preserved in sediments) are useful archives to address ecological resilience since they can ...

    • Specialization of CDK1 and cyclin B paralog functions in a coenocystic mode of oogenic meiosis 

      Feng, Haiyang; Thompson, Eric (Peer reviewed; Journal article, 2018)
      Oogenesis in the urochordate, Oikopleura dioica, occurs in a large coenocyst in which vitellogenesis precedes oocyte selection in order to adapt oocyte production to nutrient conditions. The animal has expanded Cyclin-Dependant ...

    • Speciation of zinc in fish feed by size exclusion chromatography coupled to inductively coupled plasma mass spectrometry – using fractional factorial design for method optimisation and mild extraction conditions 

      Silva, Marta Sofia; Sele, Veronika; Sloth, Jens Jørgen; Araujo, Pedro; Amlund, Heidi (Peer reviewed; Journal article, 2019-01)
      Zinc (Zn) is an element essential to all living organisms and it has an important role as a cofactor of several enzymes. In fish, Zn deficiency has been associated with impaired growth, cataracts, skeletal abnormalities ...

    • Species composition and richness along microtopographical gradient, Hardangervidda National Park, Southern Norway 

      Bhattarai, Prakash (Master thesis, 2017-08-23)
      Snow, an effective insulator and a mediator of soil microclimate, determines the abundance and plant species richness patterns in the alpine life zone. The aims of this study are: first, to investigate the species composition ...

    • Species Richness Patterns in Space and Time in the Himalayan Area 

      Baniya, Chitra Bahadur (Doctoral thesis, 2010-02-19)
      Aims: The Himalayan Mountains are highly sensitive to current global climate changes and their local impacts. Potentially more sensitive are lichens growing throughout the Himalaya and species living in the alpine zones ...

    • Species separation and population structure of three Gobiidae (Pomatoschistus microps, Pomatoschistus minutus and Pomatoschistus pictus) using otolith shape and fish condition 

      Guillot, Rita (Master thesis, 2012-11-12)
      Population structure and species separation in three species of the genus Pomatoschistus (P. microps, P. minutus and P. pictus) was studied using otolith shape and morphology and fish condition. Using a 1 m-wide beam trawl ...

    • Species–area relationships in continuous vegetation: Evidence from Palaearctic grasslands 

      Dengler, Jürgen; Matthews, Thomas J.; Steinbauer, Manuel J.; Wolfrum, Sebastian; Boch, Steffen; Chiarucci, Alessandro; Conradi, Timo; Dembicz, Iwona; Marcenó, Corrado; García-Mijangos, Itziar; Nowak, Arkadiusz; Storch, David; Ulrich, Werner; Campos, Juan Antonio; Cancellieri, Laura; Carboni, Marta; Ciaschetti, Giampiero; De Frenne, Pieter; Doležal, Jiří; Dolnik, Christian; Essl, Franz; Fantinato, Edy; Filibeck, Goffredo; Grytnes, John-Arvid; Guarino, Riccardo; Güler, Behlül; Janišová, Monika; Klichowska, Ewelina; Kozub, Łukasz; Kuzemko, Anna; Manthey, Michael; Mimet, Anne; Naqinezhad, Alireza; Pedersen, Christian; Peet, Robert K.; Pellissier, Vincent; Pielech, Remigiusz; Potenza, Giovanna; Rosati, Leonardo; Terzi, Massimo; Valkó, Orsolya; Vynokurov, Denys; White, Hannah; Winkler, Manuela; Biurrun, Idoia (Peer reviewed; Journal article, 2019-09-19)
      Aim: Species–area relationships (SARs) are fundamental scaling laws in ecology although their shape is still disputed. At larger areas, power laws best represent SARs. Yet, it remains unclear whether SARs follow other ...

    • 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 (Peer reviewed; Journal article, 2016-12-30)
      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 ...

    • Specification and differentiation of neural cells in Nematostella vectensis 

      Tournière, Océane (Doctoral thesis, 2020-02-21)
      During embryonic development, early neurogenesis can be divided into several components, such as the origin, proliferation and movement of neural stem cells and progenitor cells, which are regulated by conserved genes and ...

    • Specificity and Versatility of Substrate Binding Sites in Four Catalytic Domains of Human N-Terminal Acetyltransferases 

      Grauffel, Cédric; Abboud, Angèle; Liszczak, Glen; Marmorstein, Ronen; Arnesen, Thomas; Reuter, Nathalie (Peer reviewed; Journal article, 2012-12-28)
      Nt-acetylation is among the most common protein modifications in eukaryotes. Although thought for a long time to protect proteins from degradation, the role of Nt-acetylation is still debated. It is catalyzed by enzymes ...

    • sPlotOpen – An environmentally balanced, open-access, global dataset of vegetation plots 

      Sabatini, Francesco Maria; Lenoir, Jonathan; Hattab, Tarek; Arnst, Elise Aimee; Chytrý, Milan; Dengler, Jürgen; De Ruffray, Patrice; Hennekens, Stephan M.; Jandt, Ute; Jansen, Florian; Jiménez-Alfaro, Borja; Kattge, Jens; Levesley, Aurora; Pillar, Valério D.; Purschke, Oliver; Sandel, Brody; Sultana, Fahmida; Aavik, Tsipe; Aćić, Svetlana; Acosta, Alicia T.R.; Agrillo, Emiliano; Álvarez, Miguel; Apostolova, Iva; Khan, Mohammed A. S. Arfin; Arroyo, Luzmila; Attorre, Fabio; Aubin, Isabelle; Banerjee, Arindam; Bauters, Marijn; Bergeron, Yves; Bergmeier, Erwin; Biurrun, Idoia; Björkman, Anne D.; Bonari, Gianmaria; Bondareva, Viktoria; Brunet, Jörg; Čarni, Andraž; Casella, Laura; Cayuela, Luis; Cerny, Tomas; Chepinoga, Victor; Csiky, János; Ćušterevska, Renata; De Bie, Els; De Gasper, André Luis; De Sanctis, Michele; Dimopoulos, Panayotis; Dolezal, Jiri; Dziuba, Tetiana; El-Sheikh, Mohamed Abd El-Rouf Mousa; Enquist, Brian; Ewald, Jörg; Fazayeli, Farideh; Field, Richard; Finckh, Manfred; Gachet, Sophie; Galán-De-Mera, Antonio; Garbolino, Emmanuel; Gholizadeh, Hamid; Giorgis, Melisa; Golub, Valentin; Alsos, Inger Greve; Grytnes, John Arvid; Guerin, Gregory Richard; Gutiérrez, Alvaro G.; Haider, Sylvia; Hatim, Mohamed Z.; Herault, Bruno; Mendoza, Guillermo Hinojos; Holzel, Norbert; Homeier, Jürgen; Kącki, Zygmunt; Kapfer, Jutta; Karger, Dirk Nikolaus; Kavgaci, Ali; Kearsley, Elizabeth; Bruelheide, Helge (Journal article; Peer reviewed, 2021)
      Motivation Assessing biodiversity status and trends in plant communities is critical for understanding, quantifying and predicting the effects of global change on ecosystems. Vegetation plots record the occurrence or ...

    • Stability in Ecosystem Functioning across a Climatic Threshold and Contrasting Forest Regimes 

      Jeffers, Elizabeth S.; Bonsall, Michael B.; Willis, Katherine Jane (Peer reviewed; Journal article, 2011-01-18)
      Classical ecological theory predicts that changes in the availability of essential resources such as nitrogen should lead to changes in plant community composition due to differences in species-specific nutrient requirements. ...

    • Standard Binding Free Energy and Membrane Desorption Mechanism for a Phospholipase C 

      Moutoussamy, Emmanuel Edouard; Khan, Hanif Muhammad; Roberts, Mary B; Gershenson, Anne; Chipot, Christophe; Reuter, Nathalie (Journal article; Peer reviewed, 2022)
      Peripheral membrane proteins (PMPs) bind temporarily to cellular membranes and play important roles in signaling, lipid metabolism, and membrane trafficking. Obtaining accurate membrane-PMP affinities using experimental ...

    • State-dependent spatial and intra-school dynamics in pre-spawning herring (Clupea harengus L.) in a semi-enclosed ecosystem 

      Langård, Lise; Fatnes, Ole Andreas; Johannessen, Arne; Skaret, Georg; Axelsen, Bjørn Erik; Nøttestad, Leif; Slotte, Aril; Jensen, Knut Helge; Fernø, Anders (Peer reviewed; Journal article, 2013)
      Distribution and aggregation patterns of pelagic fish in marine ecosystems are hard to predict and understand, particularly since focused studies are typically limited to single field efforts. Our study targets coastal ...

    • Statistical modelling of voluntary feed intake in individual Atlantic salmon (Salmo salar L.) 

      Da Silva Gomes, Ana Cristina; Zimmermann, Fabian; Hevrøy, Ernst Morten; Søyland, Marcus; Hansen, Tom; Nilsen, Tom Ole; Rønnestad, Ivar (Journal article, 2023)
      Precision feeding aims to provide the correct amount of feed to farmed animals for optimal growth and performance and to avoid feed waste. However, knowledge underlying the meal-to-meal variability in voluntary feed intake ...

    • Stem cell biology is population biology: differentiation of hematopoietic multipotent progenitors to common lymphoid and myeloid progenitors 

      Mangel, Marc; Bonsall, Michael B. (Peer reviewed; Journal article, 2013-01-17)
      The hematopoietic stem cell (HSC) system is a demand control system, with the demand coming from the organism, since the products of the common myeloid and lymphoid progenitor (CMP, CLP respectively) cells are essential ...