Blar i SINTEF Open på forfatter "Hansen, Bjørn Henrik"
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Effects of marine mine tailing exposure on the development, growth, and lipid accumulation in Calanus finmarchicus
Svendheim, Linn Hjelmeland; Jager, Tjalling; Olsvik, Pål Asgeir; Øverjordet, Ida Beathe; Ciesielski, Tomasz Maciej; Nordtug, Trond; Kristensen, Torstein; Hansen, Bjørn Henrik; Kvæstad, Bjarne; Altin, Dag; Farkas, Julia (Peer reviewed; Journal article, 2021)Marine tailing disposal (MTD) is sometimes practiced as an alternative to traditional mine tailing deposition on land. Environmental challenges connected to MTD include spreading of fine particulate matter in the water ... -
Effects of mine tailing exposure on early life stages of cod (Gadus morhua) and haddock (Melanogrammus aeglefinus)
Farkas, Julia; Nordtug, Trond; Svendheim, Linn Hjelmeland; D Amico, Elettra; Davies, Emlyn John; Ciesielski, Tomasz Maciej; Jensen, Bjørn Munro; Kristensen, Torstein; Olsvik, Pål Asgeir; Hansen, Bjørn Henrik (Peer reviewed; Journal article, 2021)Mining and processing of minerals produce large quantities of tailings as waste. Some countries, including Norway, allow disposal of mine tailings in the sea. In this study we investigated the impacts of tailings from a ... -
Effects of produced water on pelagic marine organisms - Focus on the copepod Calanus finmarchicus
Hansen, Bjørn Henrik; Altin, Dag; Størseth, Trond Røvik (SINTEF Ocean reports;OC2017 A-121, Research report, 2017-05)The main aim of this project was to provide a basis for assessing the potential health effects of produced water (PW) on the marine pelagic zooplankton Calanus finmarchicus in the field. This report describes three experiments ... -
Embryonic exposure to produced water can cause cardiac toxicity and deformations in Atlantic cod (Gadus morhua) and haddock (Melanogrammus aeglefinus) larvae
Hansen, Bjørn Henrik; Sørensen, Lisbet; Størseth, Trond Røvik; Nepstad, Raymond; Altin, Dag; Krause, Daniel Franklin; Meier, Sonnich; Nordtug, Trond (Journal article; Peer reviewed, 2019-06)Regular discharges of produced water from the oil and gas industry represents the largest direct discharge of effluent into the marine environment worldwide. Organic compound classes typically reported in produced water ... -
Exposure to low environmental copper concentrations does not affect survival and development in Atlantic cod (Gadus morhua) early life stages
Farkas, Julia; Svendheim, Linn Hjelmeland; Jager, Tjalling; Ciesielski, Tomasz Maciej; Nordtug, Trond; Kvæstad, Bjarne; Hansen, Bjørn Henrik; Kristensen, Torstein; Altin, Dag; Olsvik, Pål Asgeir (Peer reviewed; Journal article, 2021)In this study we investigated potential impacts of Cu exposure at low, environmentally relevant, concentrations on early live stages of Atlantic cod (Gadus morhua). Cod embryos and larvae were exposed to 0.5 μg/L (low), ... -
First feed matters: The first diet of larval fish programmes growth, survival, and metabolism of larval ballan wrasse (Labrus bergylta)
Malzahn, Arne; Ribicic, Deni; Hansen, Bjørn Henrik; Sarno, Antonio; Kjørsvik, Elin; Aase, Anna Sigrid Nordberg; Alves Musialak, Luciana; Garcia Calvo, Laura; Hagemann, Andreas (Peer reviewed; Journal article, 2022)The use of cleaner fish, such as the ballan wrasse (Labrus bergylta), is important for combatting the sea lice problem in salmonid cage farming. Ballan wrasse is the only wrasse species that is cultivated, though only about ... -
A flow-through imaging system for automated measurement of ichthyoplankton
Williamson, David Roddan; Nordtug, Trond; Leirvik, Frode; Kvæstad, Bjarne; Hansen, Bjørn Henrik; Ludvigsen, Martin; Davies, Emlyn John (Peer reviewed; Journal article, 2022)Microscopic imaging and morphometric measurement of fish embryos and larvae is essential in environmental monitoring of fish populations and to evaluate larvae development in aquaculture. Traditional microscopy methods ... -
The impact of exposure timing on embryo mortality and the partitioning of PAHs when cod eggs are exposed to dispersed and dissolved crude oil
Nordtug, Trond; Olsen, Anders Johny; Wold, Per-Arvid; Salaberria, Iurgi; Øverjordet, Ida Beathe; Altin, Dag; Kjørsvik, Elin; Hansen, Bjørn Henrik (Peer reviewed; Journal article, 2022)During sub-sea oil spills to the marine environment, oil droplets will rise towards the sea surface at a rate determined by their density and diameter as well as the vertical turbulence in the water. Micro-droplets (< 50 ... -
Maternal polycyclic aromatic hydrocarbon (PAH) transfer and effects on offspring of copepods exposed to dispersed oil with and without oil droplets
Hansen, Bjørn Henrik; Tarrant, Ann; Salaberria, Iurgi; Altin, Dag; Nordtug, Trond; Øverjordet, Ida Beathe (Journal article; Peer reviewed, 2017-08-25)Copepods of the genus Calanus have the potential for accumulating lipophilic oil components due to their high lipid content and found to filter and ingest oil droplets during exposure. As female copepods produce eggs at ... -
Medium-term exposure of the North Atlantic copepod Calanus finmarchicus (Gunnerus, 1770) to CO2-acidified seawater: effects on survival and development
Pedersen, Sindre Andre; Hansen, Bjørn Henrik; Altin, D; Olsen, Anders Johny (Journal article; Peer reviewed, 2013)The impact of medium-term exposure to CO2-acidified seawater on survival, growth and development was investigated in the North Atlantic copepod Calanus finmarchicus. Using a custom developed experimental system, fertilized ... -
Modeling the toxicity of dissolved crude oil exposures to characterize the sensitivity of cod (Gadus morhua) larvae and role of individual and unresolved hydrocarbons
Hansen, Bjørn Henrik; Parkerton, Thomas F.; Nordtug, Trond; Størseth, Trond Røvik; Redman, Aaron D. (Journal article; Peer reviewed, 2019-01)Toxicity of weathered oil was investigated using Atlantic cod (Gadus morhua) larvae. A novel exposure system was applied to differentiate effects associated with dissolved and droplet oil with and without dispersant. After ... -
Modelling the dynamics of growth, development and lipid storage in the marine copepod Calanus finmarchicus
Jager, Tjalling; Salaverria-Zabalegui, Iurgi Imanol; Altin, Dag; Nordtug, Trond; Hansen, Bjørn Henrik (Journal article; Peer reviewed, 2017)Mechanistic models are essential tools for interpreting and predicting the consequences of a changing environment and stressors such as pollution on the life histories of marine organisms. Here, we apply the simple and ... -
Monitoring ocean water quality by deployment of lumpfish (Cyclopterus lumpus) eggs: In situ bioaccumulation and toxicity in embryos
Hansen, Bjørn Henrik; Nordtug, Trond; Øverjordet, Ida Beathe; Sørensen, Lisbet; Kvæstad, Bjarne; Davies, Emlyn John; Meier, Sonnich; Gomes, Tania; Brooks, Steven; Farkas, Julia (Peer reviewed; Journal article, 2022)Fish embryos can bioaccumulate and are particularly sensitive to a wide range of contaminants, which makes them suitable sentinels for environmental biomonitoring. However, fish embryos are very rarely utilized in environmental ... -
Mortality and transcriptional effects of inorganic mercury in the marine copepod Calanus finmarchicus
Tollefsen, Knut Erik; Song, You; Høgåsen, Tore; Øverjordet, Ida Beathe; Altin, Dag; Hansen, Bjørn Henrik (Journal article; Peer reviewed, 2017-08-25)Inorganic mercury (Hg) is highly toxic to organisms including crustaceans and displays multiple toxic modes of action (MoA). The main aim of this investigation was to assess the acute and sublethal toxicity mediated by ... -
North sea produced water PAH exposure and uptake in early life stages of Atlantic Cod
Nepstad, Raymond; Hansen, Bjørn Henrik; Skancke, Jørgen (Journal article; Peer reviewed, 2020)Produced water discharges from offshore oil and gas platforms represent a significant source of petroleum components such as polycyclic aromatic hydrocarbons (PAHs) released to the ocean. High molecular weight PAHs are ... -
Oil-mediated oxidative-stress responses in a keystone zooplanktonic species, Calanus finmarchicus
Soloperto, Sofia; Altin, Dag; Hallman, Anna; Skottene, Elise; Hansen, Bjørn Henrik; Jenssen, Bjørn Munro; Ciesielski, Tomasz Maciej (Peer reviewed; Journal article, 2022)The copepod Calanus finmarchicus is an ecologically important species in the North Atlantic, Norwegian and Barents seas. Accidental or continuous petroleum pollution from oil and gas production in these seas may pose a ... -
Ova lipid profiling and egg quality in wild and captive lumpfish, Cyclopterus lumpus (Linnaeus, 1758)
Hansen, Bjørn Henrik; Kjørsvik, Elin; Malzahn, Arne; Sarno, Antonio; Kulild, Ole Martin; Farkas, Julia; Nordtug, Trond; Rye, Rebecca; Kvæstad, Bjarne; Lein, Ingrid; Hagemann, Andreas (Peer reviewed; Journal article, 2022)Lumpfish (Cyclopterus lumpus) serves an important role as cleaner fish for removing salmon lice in salmon aquaculture. For this use, cultivated lumpfish are preferred over wild-caught fish to avoid overexploitation of ... -
Simple energy-budget model for yolk-feeding stages of Atlantic cod (Gadus morhua)
Jager, Tjalling; Nepstad, Raymond; Hansen, Bjørn Henrik; Farkas, Julia (Journal article; Peer reviewed, 2018-10-10)Atlantic cod (Gadus morhua) is a commercially important species, and therefore, understanding the influence of environmental factors and anthropogenic stressors on its early life stages is of considerable relevance. In ... -
Sources, distribution and effects of rare earth elements in the marine environment: Current knowledge and research gaps
Piarulli, Stefania; Hansen, Bjørn Henrik; Ciesielski, Tomasz Maciej; Zocher, Anna-Lena; Malzahn, Arne; Olsvik, Pål Asgeir; Sonne, Christian; Nordtug, Trond; Jenssen, Bjørn Munro; Booth, Andy; Farkas, Julia (Peer reviewed; Journal article, 2021)Rare earth elements and yttrium (REY) are critical elements for a wide range of applications and consumer products. Their growing extraction and use can potentially lead to REY and anthropogenic-REY chemical complexes ... -
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 ...