• Assessing the performance of statistical classifiers to discriminate fish stocks using Fourier analysis of otolith shape 

  Smolinski, Szymon; Schade, Franziska M.; Berg, Florian (Peer reviewed; Journal article, 2019)

  The assignment of individual fish to its stock of origin is important for reliable stock assessment and fisheries management. Otolith shape is commonly used as the marker of distinct stocks in discrimination studies. Our ...

• From siphonophores to deep scattering layers: Uncertainty ranges for the estimation of global mesopelagic fish biomass 

  Proud, Roland; Handegard, Nils Olav; Kloser, Rudy; Cox, Martin J.; Brierley, Andrew S. (Peer reviewed; Journal article, 2019)

  The mesopelagic community is important for downward oceanic carbon transportation and is a potential food source for humans. Estimates of global mesopelagic fish biomass vary substantially (between 1 and 20 Gt). Here, we ...

• Micronekton biomass distribution, improved estimates across four north Atlantic basins 

  Klevjer, Thor A.; Melle, Webjørn Raunsgård; Knutsen, Tor; Strand, Espen; Korneliussen, Rolf; Dupont, Nicolas; Salvanes, Anne Gro Vea; Wiebe, Peter H. (Peer reviewed; Journal article, 2019)

  Distribution of micronekton was investigated during early summer of 2013, using data from a cruise covering the central parts of four north Atlantic basins, the Norwegian Sea (NS), Iceland Sea (ICS), Irminger Sea (IRS), ...

• Ecological insights into abyssal bentho-pelagic fish at 4000 m depth using a multi-beam echosounder on a remotely operated vehicle 

  Dunlop, Katherine Mary; Benoit-Bird, Kelly J; Waluk, Chad M; Henthorn, Richard G (Peer reviewed; Journal article, 2019)

  Ecological and behavioral data on mobile, low density, benthopelagic animals is difficult to collect in the abyssal environment. However, these species occupy an important position in the abyssal food chain. At-depth ...

• INTEGRATING HAWKES PROCESS- ND BIOMASS MODELS TO CAPTURE IMPULSIVE POPULATION DYNAMICS 

  Subbey, Sam; Solvang, Hiroko Kato (Journal article, 2019)

  This paper presents a modeling framework that captures the impulsive biomass dynamics (bust-boom) of a fish stock. The framework is based on coupling a Hawkes-process model to a discrete-time, ages-structured population ...

• Underwater noise from wind at the high north LoVe ocean observatory 

  Ødegaard, Lars Alf; Pedersen, Geir; Johnsen, Espen (Peer reviewed; Journal article, 2019)

• Machine intelligence and the data-driven future of marine science 

  Malde, Ketil; Handegard, Nils Olav; Eikvil, Line; Salberg, Arnt Børre (Peer reviewed; Journal article, 2019)

  Oceans constitute over 70% of the earth’s surface, and the marine environment and ecosystems are central to many global challenges. Not only are the oceans an important source of food and other resources, but they also ...

• Carbon export is facilitated by sea urchins transforming kelp detritus 

  Filbee-Dexter, Karen; Pedersen, Morten Foldager; Fredriksen, Stein; Norderhaug, Kjell Magnus; Rinde, Eli; Kristiansen, Trond; Albretsen, Jon; Wernberg, Thomas (Peer reviewed; Journal article, 2019)

  With the increasing imperative for societies to act to curb climate change by increasing carbon stores and sinks, it has become critical to understand how organic carbon is produced, released, transformed, transported, and ...

• Ice extent in sub-arctic fjords and coastal areas from 2001-19 analysed from MODIS imagery 

  Megan, O'Sadnick; Christian, Petrich; Brekke, Camilla; Jofrid, Skarðhamar (Peer reviewed; Journal article, 2020)

  Results examining variations in the ice extent along the Norwegian coastline based on the analysis of Moderate Resolution Imaging Spectroradiometer (MODIS) images from 2001 to 2019, February through May, are presented. A ...

• Optimal estimation of lice release from aquaculture based on ambient temperatures 

  Johnsen, Ingrid A.; Stien, Lars Helge; Sandvik, Anne Dagrun; Asplin, Lars; Oppedal, Frode (Peer reviewed; Journal article, 2020)

  Models for mapping and forecasting infective pressure from salmon louse Lepeophtheirus salmonis larvae are of major importance in the Norwegian government’s management of salmonid aquaculture. These models use site-reported ...

• Potential for managing life history diversity in a commercially exploited intermediate predator, the goldsinny wrasse (Ctenolabrus rupestris) 

  Olsen, Esben Moland; Halvorsen, Kim Aleksander Tallaksen; Larsen, Torkel; Kuparinen, Anna (Peer reviewed; Journal article, 2019)

• Selective flatfish seine: A knee-high demersal seine barely catches cod 

  Ingólfsson, Ólafur Arnar; Humborstad, Odd Børre; Løkkeborg, Svein (Peer reviewed; Journal article, 2019)

  Norwegian coastal cod (Gadus morhua) protection restricts the use of active fishing gears. Demersal seines, acknowledged as being efficient for targeting flatfish, are therefore largely excluded from the fjords. To exploit ...

• Approaching the Arctic: the occurrence of Parin’s spinyfin Diretmichthys parini (Beryciformes: Diretmidae) in the Nordic Seas 

  Lynghammar, Arve; Byrkjedal, Ingvar; Bugjerde, Berit Margrete; Wienerroither, Rupert (Peer reviewed; Journal article, 2020)

  Two adult specimens of the tropical to subtropical fish species Diretmichthys parini are reported from the North Sea and the northern Norwegian Sea, respectively. Both were accidentally caught as bycatch by commercial ...

• Environmental effects of offshore produced water discharges: A review focused on the Norwegian continental shelf 

  Beyer, Jonny; Goksøyr, Anders; Hjermann, Dag Øystein; Klungsøyr, Jarle (Peer reviewed; Journal article, 2020)

  Produced water (PW), a large byproduct of offshore oil and gas extraction, is reinjected to formations or discharged to the sea after treatment. The discharges contain dispersed crude oil, polycyclic aromatic hydrocarbons ...

• Arctic Sea level Budget Assessment During the GRACE/Argo Time Period 

  Raj, Roshin Pappukutty; Andersen, Ole Baltazar; Johannessen, Johnny Andre; Benjamin, Gutknech; Chatterjee, Sourav; rose, stine; Bonaduce, Antonio; Horwath, Martin; Ranndal, Heidi; Richter, Kristin; Palanisamy, Hindumathi; Ludwigsen, Carsten; Bertino, Laurent; Nilsen, Jan Even Øie; Knudsen, Per; Hogg, Anna E.; Cazenave, Anny; Benveniste, Jérôme (Peer reviewed; Journal article, 2020)

  Sea level change is an important indicator of climate change. Our study focuses on the sea level budget assessment of the Arctic Ocean using: (1) the newly reprocessed satellite altimeter data with major changes in the ...

• The last two millennia: climate, ocean circulation and paleoproductivity inferred from planktic foraminifera, south-western Svalbard margin 

  Zamelczyk, Katarzyna; Rasmussen, Tine Lander; Raitzsch, Markus; Chierici, Melissa (Peer reviewed; Journal article, 2020)

  We reconstruct climate and changes in water-mass properties in relation to variations in palaeoproductivity at the south-western Svalbard margin throughout the last 2000 years. Environmental conditions in subsurface (ca. ...

• Sampling protocol for the determination of nutrients and contaminants in fish and other seafood – The EAF-Nansen Programme 

  Reksten, Amalie Moxness; Bøkevoll, Annbjørg; Frantzen, Sylvia; Lundebye, Anne-Katrine; Kögel, Tanja; Kolås, Kjersti; Aakre, Inger; Kjellevold, Marian (Peer reviewed; Journal article, 2020)

  Seafood plays a central role in global food and nutrition security. However, there is a lack of data on the concentration of nutrients and contaminants in fish and other seafood, especially in low- and middle-income ...

• A revised ocean glider concept to realize Stommel's vision and supplement Argo floats 

  Bruvik, Erik Magnus; Fer, Ilker; Våge, Kjetil; Haugan, Peter M. (Peer reviewed; Journal article, 2020)

  This paper revisits Stommel's vision for a global glider network and the Argo design specification. A concept of floats with wings, so-called slow underwater gliders, is explored. An analysis of the energy or power consumption ...

• Comparing Deep-Sea Larval Dispersal Models: A Cautionary Tale for Ecology and Conservation 

  Ross, Rebecca; Nimmo-Smith, W. Alex M.; Torres, Ricardo; Howell, Kerry L. (Peer reviewed; Journal article, 2020)

  Larval dispersal data are increasingly sought after in ecology and marine conservation, the latter often requiring information under time limited circumstances. Basic estimates of dispersal [based on average current speeds ...

• Recycling pathways in cold-water coral reefs: Use of dissolved organic matter and bacteria by key suspension feeding taxa 

  Maier, Sandra R.; Kutti, Tina; Bannister, Raymond; Fang, James Kar-Hei; van Breugel, Peter; van Rijswijk, Pieter; Van Oevelen, Dick (Peer reviewed; Journal article, 2020)

  Cold-water coral (CWC) reefs are one of the most diverse and productive ecosystems in the deep sea. Especially in periods of seasonally-reduced phytodetritus food supply, their high productivity may depend on the recycling ...

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