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Thirty Years of Sense and Sensibility in Agent-Based Models: A Bibliometric Analysis
(Chapter; Bokkapittel, 2024-07-21)Emotion and cognition are at the core of human behaviour and modelling human behaviour is at the core of social simulation. Using a bibliometric analysis of publications connecting agent-based modelling with cognition (sense), emotion (sensibility), or both, this study describes the evolution of the field, explores trends, and identifies existing gaps, and proposes potential future developments. Our ... -
Effect of gillnet mesh size on the capture probability and capture patterns in the Asian paddle crab (Charybdis japonica) fishery
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024-02-04)In the Asian paddle crab (Charybdis japonica) gillnet fishery in the Yellow Sea, China, the minimum mesh size (MMS) regulation has been of a major importance due to high bycatch rates of undersized crabs. In this study, we evaluated how gillnet mesh size can affect the capture probability of C. japonica and capture patterns in this fishery by comparing the performance of gillnets with four ... -
Modeling Realistic Human Behavior in Disasters. A Rapid Literature Review of Agent-Based Models Reviews
(Chapter; Bokkapittel, 2024-07-21)Agent-based models of human behaviors in emergencies are extremely important in prevention, preparedness, response and mitigation of crises. However, there is huge variation in the modeling of human cognitions and actions, with varying degrees of realism and even more diverse definitions of how realism should be implemented in the models. The aim of this Rapid Literature Review is to identify existing ... -
One mesh does not fit all: A dual compartment codend provides flexible selectivity opportunities to manage mixed fisheries
(Journal article; Tidsskriftartikkel, 2023-11-11)Fisheries management is moving from a single-species to an ecosystem-based approach to better balance the technical, biological, and economic aspects of the many mixed-species fisheries in the world. Most mixed fisheries are conducted with trawl gears, which have a hereditary challenge of providing a species and size selectivity that meets the development in management objectives of reducing unwanted ... -
Why should scientists lead? To underpin policy on marine and polar ecosystems.
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024-04-05)I recount my personal history, beginning as a young fisherman, becoming an academic fisheries biologist, and ultimately a leader of institutions dedicated to marine and polar research, higher education, and advising policymakers. After my dissertation in the early 1990s, I embarked on an active research career at the Institute of Marine Research (IMR) in Bergen, Norway, developing a sonar method to ... -
Transcriptomics of early responses to purified Piscine orthoreovirus-1 in Atlantic salmon (Salmo salar L.) red blood cells compared to non-susceptible cell lines
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024-02-14)Piscine red blood cells (RBC) are nucleated and have been characterized as mediators of immune responses in addition to their role in gas exchange. Salmonid RBC are major target cells of Piscine orthoreovirus-1 (PRV-1), the etiological agent of heart and skeletal muscle inflammation (HSMI) in farmed Atlantic salmon (Salmo salar). PRV-1 replicates in RBC ex vivo, but no viral amplification has been ... -
En sammenligning av tran fra oppdrettet- og vill torsk (Gadus morhua) - Med fokus på fett og fettsyresammensetning
(Master thesis; Mastergradsoppgave, 2023-05-30)I dag opplever vi en ny optimisme i oppdrettsnæringen og en økende satsning på torsk. Satsningen har som formål å fremme innovasjon og skal virke som et tilskudd til det tradisjonelle fiskeriet. Med en kontinuerlig tilgang på råstoff vil vi få en økt mengde restråstoff med stort potensial for anvendelse, kanskje særlig for torskeleveren og tran-produkter. For å være i stand til å utnytte oppdrettstorskens ... -
Evaluering av fangstskader ved bruk av hyperspektral avbildning
(Research report; Forskningsrapport, 2024-04-04)Metoden «Fangstskadeindeks» for sensorisk kvalitetsvurdering og registrering av ulike skader som kan oppstå på torsk under fangst og håndtering av torsk er tidkrevende. Det vil være en fordel om slik kvalitetsvurdering kan gjøres instrumentelt. De fleste av fangstskadene medfører bloduttredelser i muskelen, og en aktuell instrumentell metode kan derfor være hyperspektral avbildning som kan ... -
γδ T-celler i atlantisk laks: Innsyn i γδ T-cellers roller i antivirale responser mot Piscine Orthoreovirus (PRV) oppnådd gjennom genomiske og molekylære analyser
(Master thesis; Mastergradsoppgave, 2022-05-18)Hos virveldyr med kjeve er αβ- eller γδ T-celler definert som de to hovedpopulasjonene av T-celler. Laksefamilien omfatter atlantisk laks og regnbueørret som er viktige arter i oppdrett. Oppdrett av disse artene avhenger av vaksiner for å kunne kultiveres på en bærekraftig måte. Dette har skapt økt interesse for å forstå mekanismene i adaptive immunresponser mot patogener og vaksiner, og derfor ... -
Evaluation of ozone and peracetic acid use during a Yersinia ruckeri challenge in Atlantic salmon (Salmo salar) freshwater recirculating aquaculture systems
(Master thesis; Mastergradsoppgave, 2023-05-16)Yersinia ruckeri (Y. ruckeri) the causative agent of Enteric red-mouth disease (ERM), a serious septicemic bacterial disease of salmonid fish, poses a significant challenge in salmon production. With the emergence of recirculating aquaculture system (RAS) in Norway, new biological challenges in relation to infectious disease outbreaks have arisen. There is a gap in knowledge on how potential ... -
Systemic and mucosal stress responses of Atlantic salmon (Salmo salar) to peracetic acid
(Master thesis; Mastergradsoppgave, 2019-05-15)Infectious diseases are still a major problem in salmon aquaculture despite several attempts on developing prophylactic measures. Amoebic gill disease (AGD) is considered a growing threat in Norwegian salmon aquaculture. It has increased in prevalence and geographic distribution in the last years, resulting in considerable economic losses. Current treatments (i.e., freshwater and hydrogen peroxide ... -
Nonclassical MHC class I L-lineage genes in Atlantic Salmon (Salmo salar L.): An investigation into transcriptional induction and cell type-specific expression patterns of different L-lineage subgroups
(Master thesis; Mastergradsoppgave, 2023-05-15)The world's population is growing, and so is the world's food demand, underpinning the need for sustainable food production. Over the last few decades, Norwegian aquaculture production of Atlantic Salmon (Salmo Salar L.) and rainbow trout (Oncorhynchus mykiss) expanded rapidly. Unfortunately, today’s fish health situation is challenging due to virus infections, among other reasons. Today's virus ... -
Bruk av Lean som forbedringsverktøy i norsk fiskeindustri: En studie av Lerøy Seafood, avd. Melbu
(Master thesis; Mastergradsoppgave, 2021-05-15)Norsk fiskeindustri har tatt i bruk både ny teknologi og nye styringsverktøy for å øke effektiviteten, forbedre utnyttelsen av råstoffet og styrke fortjenesten. Ett av styringsverktøyene som har blitt introdusert i de seinere årene er Lean. Dette er et styringsverktøy som har sitt utspring i Toyota Motor Corporation og japansk kultur. Denne studien ser nærmere på hvordan Lean er satt sammen og ... -
Impact of temperature-dependent developmental plasticity on immune response and cardiac health to Yersinia ruckeri infection, in Atlantic salmon parr
(Master thesis; Mastergradsoppgave, 2023-05-15)Heart injuries and diseases are one of the largest challenges in Atlantic salmon aquaculture. Presently, salmon experience intensive farming conditions and feeding regimes, and different viral and bacterial pathogens flourish and create cardiac health risks. Many have suggested how early life history plays a greater role in performance than previously assumed. The RCN-NFR funded project COOLFISH ... -
Hvordan arbeide med å utvikle sikkerhetskultur i norsk havbruksnæring
(Master thesis; Mastergradsoppgave, 2023-05-15)Den norske oppdrettsnæringen er en teknologisk og kompleks industri, som fører til at de ansatte møter risiko for å skade seg eller omkomme på arbeid. De siste årene har det vært en økning i antall alvorlige arbeidsulykker i næringen. For å ivareta sikkerhetshensynet til mennesker, fisk, materiell og økonomi er det nødvendig at selskap og forvaltningsorgan setter ekstra fokus på helse-, miljø- og ... -
Immunstatus hos fertil og steril laks under sjøfasen - en komparativ oversikt
(Master thesis; Mastergradsoppgave, 2022-05-15)Rømning av oppdrettslaks medfører til uønsket genetisk innblanding i den ville laksebestanden, noe som resulterer i dårligere ytelse og overlevelse hos den ville laksen. I tillegg er kjønnsmodning av oppdrettslaksen et velferdsproblem, da dette medfører en rekke negative effekter for fisken, blant disse redusert vekst, immunrespons og hypo- osmoregulatoriske evner. En mulig løsning på disse problemene ... -
Impacts of climate-related temperature stress on Atlantic salmon (Salmo salar L.) gills
(Master thesis; Mastergradsoppgave, 2023-05-15)Constantly increasing water temperatures caused by climate change, can lead to major consequences for the welfare of farmed fish. The interactions between the expected changes and the fish physiology are still not understood, in specific how the changing environment may affect the fish's health, and how this may impact aquaculture production in general. The fish's gill health can be used as an ... -
The effect of climate related stressors on liver in Atlantic salmon (Salmo salar)
(Master thesis; Mastergradsoppgave, 2023-05-15)Climate change impacts the average temperature in the world’s oceans, as well as other environmental parameters, such as oxygen levels. These changes are threatening and challenging animals living there, including farmed species. In this trial Atlantic salmon (Salmo salar) were exposed to fluctuating temperature (12-17C) as a single stressor, and in combination with lowered level of dissolved oxygen ... -
Effekt av langvarig fryselagring på kokte cluster av kongekrabbe
(Master thesis; Mastergradsoppgave, 2019-05-15)Kongekrabbe har blitt fisket kommersielt i Norge siden 2002 og har blitt en viktig art for den norske sjømatindustrien, med stor økonomisk betydning i lokalsamfunn langs Finnmarkskysten. Med en eksport på 2000 tonn, til en verdi av 579 millioner kroner var kongekrabbe verdimessig den nest største arten i skalldyrkategorien i 2018. Mesteparten av kongekrabbe blir eksportert levende mens de resterende ... -
Effects of acute and chronic handling stress on antiviral responses in Atlantic salmon (Salmo salar) red blood cells and testing of stress target genes
(Master thesis; Mastergradsoppgave, 2023-05-13)The salmonids in today’s Norwegian aquaculture are exposed to many stressors, like suboptimal water quality, crowding and handling. This project focuses on red blood cell (RBCs) function in Atlantic salmon and how cellular responses are affected by stress. Since fish RBCs are nucleated and can change their gene expression, one of the main goals of this thesis is to better understand how the ...
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