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Data Stewardship (DocEnhance)
(Conference object; Konferansebidrag, 2022) -
Quantum Leaper: A Methodology Journey From a Model in NetLogo to a Game in Unity
(Chapter; Bokkapittel, 2022)Combining Games and Agent-Based Models (ABMs) in a single research design (i.e. GAM design) shows potential for investigating complex past, present, or future social phenomena. Games offer engaging environments that can help generating insights into social dynamics, perceptions, and behaviours, while ABMs support the representation and analysis of complexity. We present here the first attempt to ... -
Deep-sea sponge derived environmental DNA analysis reveals demersal fish biodiversity of a remote Arctic ecosystem
(Journal article; Tidsskriftartikkel; Peer reviewed, 2023-08-18)The deep-sea is vast, remote, and largely underexplored. However, methodological advances in environmental DNA (eDNA) surveys could aid in the exploration efforts, such as using sponges as natural eDNA filters for studying fish biodiversity. In this study, we analyzed the eDNA from 116 sponge tissue samples and compared these to 18 water eDNA samples and visual surveys obtained on an Arctic seamount. ... -
Is fisheries governance possible?
(Journal article; Tidsskriftartikkel; Peer reviewed, 2014-02-11)Are there limits to the governability of a fishery? The establishment of a 200 nautical mile economic zone in Norway in 1977 made it possible to change from an open-access regime to a more closed one. In this process, the former self-regulating Norwegian fishing industry, to a large extent, accepted and adapted an explicit, hierarchical form of state-run governance. However, the process of change ... -
Ghost fishing efficiency by lost, abandoned or discarded pots in snow crab (Chionoecetes opilio) fishery
(Journal article; Tidsskriftartikkel; Peer reviewed, 2023-07-07)Marine pollution by lost, abandoned or otherwise discarded fishing gear (ALDFG) often has negative impact on the ecosystem through plastic pollution and continuous capture of marine animals, so-called “ghost fishing”. ALDFG in pot fisheries is associated with high ghost fishing risk. The snow crab (Chionoecetes opilio) pot fishery is conducted in harsh weather conditions increasing the risk of ... -
Heavy Metals in Salt Marsh Sediments of Porteresia Bed along the Karnafully River Coast, Chittagong
(Journal article; Tidsskriftartikkel; Peer reviewed, 2012-09-30)Heavy metal (Cu, Zn, Cd, Pb and Fe) concentrations in salt marsh sediments of the Karnafully River coast were investigated in this study. Sediment samples of four different sites were analysed for selected heavy metals by AAS (atomic absorption spectrophotometry). The mean values of heavy metals were 45.79 µg/g for Cu, 105.0 µg/g for Zn, 0.43 µg/g for Cd, 26.70 µg/g for Pb and 3297.38 µg/g for Fe ... -
Illegal fishing: A challenge to fisheries management in Norway
(Journal article; Tidsskriftartikkel; Peer reviewed, 2023-06-30)The management of the Norwegian Northeast Atlantic cod fishery has in many ways been a success story; quotas have been high (but now declining), profitability has been higher than most other industries and there is great interest among young recruits to enter the fishery. However, over the last decade illegal fishing of allocated quotas and black-market transactions throughout the value chain ... -
What do the Great Barrier Reef management and Norwegian spatial fisheries management have in common?
(Conference object; Konferansebidrag, 2018)What do the Great Barrier Reef management and Norwegian spatial fisheries management have in common? The presentation addresses the importance of governmentality (Foucault 1978), understood as the art of governing for successful marine governance (MG). Management of the Great Barrier Reef and the Norwegian spatial management of fisheries are used as examples of systems that depends on and foster ... -
LC-MS based dereplication and isolation of compound from Arctic marine bryozoan Dendrobeania murrayana
(Conference object; Konferansebidrag, 2018)The new guanidine based alkaloid Dendrobeaniamine A was isolated from the organic crude extract of the Arctic marine bryozoan <i>Dendrobeania murrayana</i>. The structure was determined by interpretation of data from 1D and 2D NMR spectroscopic methods and mass spectrometry (HR-MS) analysis. Dendrobeaniamine A did not show any biological activities in the applied bioassays. Further bioactivity ... -
Dendrobeaniamine A, a new alkaloid from the Arctic marine bryozoan Dendrobeania murrayana
(Conference object; Konferansebidrag, 2019)Chemistry guided purification of the organic extract of the Arctic marine bryozoan <i>Dendrobeania murrayana</i> yielded one new compound, Dendrobeaniamine A, and it was present in abundant amounts in the organic extract. Dendrobeaniamine A is a fusion of long chain aliphatic fatty acid and the cationic amino acid residue arginine.The bioactivity and natural function of this compound thus remain to ... -
Slow progress towards a better regime for environmental impact assessments
(Conference object; Konferansebidrag, 2018)The purpose of the presentation is to give an overview of the status of environmental assessments in international law, and to review the progress of a global and a regional process in trying to improve the current regime. The international regime for environmental impact assessments (EIA) in the Arctic Ocean is symptomatic for the situation in most regional seas. There is a predominance of ... -
Identifying transferable skills to enhance Early Career Researchers employability
(Conference object; Konferansebidrag, 2018)Doctoral candidates are facing a diverse employment landscape that shifted significantly in the last decades, with less than 30 % of doctoral graduates working in academia or in research and development related jobs. In addition to becoming more inter-sectoral, working environments are becoming increasingly inter-national and inter-disciplinary. This development can make the employment requirements ... -
The effect of CO2, total ammonia nitrogen and pH on growth of juvenile lumpfish (Cyclopterus lumpus)
(Journal article; Tidsskriftartikkel; Peer reviewed, 2023-08-12)The objective of this study was to examine the effects of CO<sub>2</sub>, total ammonia nitrogen (TAN: nitrogen bound as either NH<sub>3</sub> or NH<sub>4</sub><sup>+</sup>) and pH on the growth and survival of juvenile lumpfish in a two-month growth study. The results demonstrate the complex interactions of these water quality variables. The specific growth rate (SGR) of the lumpfish was progressively ... -
Marine-derived products as functional feed additives in aquaculture: A review
(Journal article; Tidsskriftartikkel; Peer reviewed, 2023-07-27)The aquaculture industry is expanding to meet the daily requirements of humanity from high-quality seafood. In this regard, intensive aquaculture systems are suggested, resulting in high production but being challenged with immunosuppression and disease invaders. Antibiotics were used for a long time to protect and treat aquatic animals; however, continuous use led to severe food safety issues, ... -
Diversity and ecology of aphyllophoroid fungi on driftwood logs on the shores of the Baltic Sea
(Journal article; Tidsskriftartikkel; Peer reviewed, 2020-04-26)Driftwood is woody debris that is floating on the sea or brought onto the shore by the sea. It can have a natural origin but often it originates from human activities. Driftwood has a significant ecological role as a microhabitat for a large range of species. Dead-wood-associated aphyllophoroid fungi on driftwood have been studied rather little globally, and there are hardly any studies conducted ... -
Determination of pH in pre rigor fish muscle - method matters
(Journal article; Tidsskriftartikkel; Peer reviewed, 2020-04-06)The determination of post mortem muscle pH are often carried out in studies on how pre-slaughter handling influences the development of rigor mortis and the quality of the fish products. The analysis might be performed by inserting a pH-electrode into the intact flesh or using a suspension containing a minced muscle sample. Although it has been known for a long time that mincing muscle tissue ... -
Research progress on gut health of farmers teleost fish: a viewpoint concerning the intestinal mucosal barrier and the impact of its damage
(Journal article; Tidsskriftartikkel; Peer reviewed, 2020-08-05)The intestinal mucosal barrier plays a critical role in the maintenance of host health. In farmed teleost fish, the intestinal epithelium is challenged by a number of factors, leading to damage of the intestinal mucosal barrier. The pathogenesis of intestinal mucosal barrier damage in most farmed teleost fish has been associated with cell death, mainly including apoptosis, pyroptosis, necroptosis ... -
Responding to global warming: New fisheries management measures in the Arctic
(Journal article; Tidsskriftartikkel; Peer reviewed, 2020-09-01)The northernmost commercial fisheries in the world take place in the northern Barents Sea up to around 80° N. This is an area where global warming is particularly intense and where large, previously ice-covered areas are now more accessible to fishing vessels. This raised questions whether existing conservation and management measures are adequate. In this paper, we discuss the process of developing ... -
The Image Fallacy: Rethinking the Tragedy of the Commons
(Journal article; Tidsskriftartikkel; Peer reviewed, 2023-05-05)An image is what we have in our head and what we make up in an allegory, a name, a metaphor, a text, a map or in a drawing. None of these should be confused with the thing that is being imagined. They are not the real thing, just our imaginations of it. Still, we could not do without them, for instance when governing small-scale fisheries. They make us understand what we are up to and the track we ... -
Beyond regulatory compliance – Seafood traceability benefits and success cases
(Research report; Forskningsrapport, 2020)Since the mid-1990s, traceability has become a popular concept in industrial logistics, regardless of the production regime and type of product. Implementing traceability systems across the food supply chain is seen as crucial for increasing food quality and safety, for optimizing production or for documenting sustainability. However, implementation of traceability systems in the seafood sector seems ...
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