Browsing Brage IMR by Author "Bjelland, Reidun Marie"
Now showing items 1-19 of 19
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Acclimation with lice-infested salmon improves cleaner fish delousing performance
Gentry, Katherine; Bui, Samantha; Oppedal, Frode; Bjelland, Reidun Marie; Nola, Velimir; Dempster, Timothy David (Peer reviewed; Journal article, 2021)Securing the welfare and maximising the lice removal efficacy of ~60 million cleaner fish used each year on salmonid farms is essential to develop a productive and ethical industry with low salmon lice Lepeophtheirus ... -
Early ontogeny of the lesser sandeel (Ammodytes marinus)
Perrichon, Prescilla; Bjelland, Reidun Marie; Durif, Caroline; Fiksdal, Ingrid Uglenes; Johnsen, Espen; Skiftesvik, Anne Berit; Cresci, Alessandro; Browman, Howard; Sørhus, Elin (Peer reviewed; Journal article, 2023)Background Lesser sandeel (Ammodytes marinus) is widely distributed in North Sea ecosystems. Sandeel acts as a critical trophic link between zooplankton and top predators (fish, mammals, sea birds). Because they live buried ... -
Gjenfangst, bedøvelse, avliving og etterbruk av rensefisk (CleanCatch). Sluttrapport FHF-prosjekt 901560
Foss, Atle; Bjelland, Reidun Marie; Skiftesvik, Anne Berit; Voldnes, Gøril; Ageeva, Tatiana Nikolaevna; Heide, Morten; Hermansen, Øystein; Hogrenning, Egil; Kvalvik, Ingrid; Nikitina, Ekaterina; Stormo, Svein Kristian; Roth, Bjørn (Akvaplan-niva rapport, Research report, 2021)Denne rapporten tar for seg utfordringer knyttet til temaene gjenfangst, avlivning og etterbruk av rensefisk som har hatt deler av sin livssyklus i merdene sammen med laksefisk for å spise lus. Gjenfangst av rensefisk er ... -
Glass eels (Anguilla anguilla) have a magnetic compass linked to the tidal cycle
Cresci, Alessandro; Paris, Claire B.; Durif, Caroline; Shema, Steven; Bjelland, Reidun Marie; Skiftesvik, Anne Berit; Browman, Howard (Journal article; Peer reviewed, 2017)The European eel (Anguilla anguilla) has one of the longest migrations in the animal kingdom. It crosses the Atlantic Ocean twice during its life history, migrating between the spawning area in the Sargasso Sea and Europe, ... -
Goldsinny wrasse (Ctenolabrus rupestris) have a sex-dependent magnetic compass for maintaining site fidelity
Cresci, Alessandro; Larsen, Torkel; Halvorsen, Kim Aleksander Tallaksen; Durif, Caroline; Bjelland, Reidun Marie; Browman, Howard; Skiftesvik, Anne Berit (Peer reviewed; Journal article, 2021)The goldsinny wrasse (Ctenolabrus rupestris) is a commercially important fish that inhabits coastal areas across the eastern Atlantic. This species moves from a shallow home territory along the coast into deeper waters in ... -
Kunnskapstøtte og råd for regulering av fisket etter leppefisk i 2021
Halvorsen, Kim Aleksander Tallaksen; Skiftesvik, Anne Berit; Bjelland, Reidun Marie; Larsen, Torkel (Rapport fra havforskningen;2020 - 51, Research report, 2020)Fiskeridirektoratet har i en bestilling datert 07.09.2020 bedt Havforskningsinstituttet (HI) om kunnskapsstøtte for regulering av totaluttak, fartøykvoter, artsbegrensninger i fisket etter leppefisk. Det bes også om ny ... -
Magnetic fields generated by the DC cables of offshore wind farms have no effect on spatial distribution or swimming behavior of lesser sandeel larvae (Ammodytes marinus)
Cresci, Alessandro; Perrichon, Prescilla; Durif, Caroline; Sørhus, Elin; Johnsen, Espen; Bjelland, Reidun Marie; Larsen, Torkel; Skiftesvik, Anne Berit; Browman, Howard (Peer reviewed; Journal article, 2022)In the North Sea, the number and size of offshore wind (OW) turbines, together with the associated network of High Voltage Direct Current (HVDC) subsea cables, will increase rapidly over the coming years. HVDC cables produce ... -
Minstestørrelse på rensefisk ved utsett i oppdrettsnøter for å hindre rømming - Del 1: Bergnebb og små grønngylte
Jørgensen, Terje; Halvorsen, Kim Aleksander Tallaksen; Skiftesvik, Anne Berit; Harboe, Torstein; Sistiaga, Manu; Bjelland, Reidun Marie; Kvalvik, Liz Beate Kolstad (Rapport fra havforskningen;2024 - 33, Research report, 2024)Rapporten beskriver hvilken minstestørrelse av bergnebb og grønngylte som må benyttes ved utsett i oppdrettsnøter med en gitt maskeåpning for å hindre rømming. Minstestørrelsene er basert på trengingsforsøk i tank og ... -
Movement patterns of temperate wrasses (Labridae) within a small marine protected area
Halvorsen, Kim Aleksander Tallaksen; Larsen, Torkel; Browman, Howard; Durif, Caroline; Aasen, Nicolai; Vøllestad, Leif Asbjørn; Cresci, Alessandro; Sørdalen, Tonje Knutsen; Bjelland, Reidun Marie; Skiftesvik, Anne Berit (Peer reviewed; Journal article, 2021)The movement patterns of three commercially important wrasse (Labridae) species inside a small marine protected area (~ 0.15 km2) on the west coast of Norway were analysed over a period of 21 months. The mean distance ... -
Movement patterns of temperate wrasses (Labridae) within a small marine protected area
Halvorsen, Kim Aleksander Tallaksen; Larsen, Torkel; Browman, Howard; Durif, Caroline; Aasen, Nicolai; Vøllestad, Leif Asbjørn; Cresci, Alessandro; Sørdalen, Tonje Knutsen; Bjelland, Reidun Marie; Skiftesvik, Anne Berit (Peer reviewed; Journal article, 2021)The movement patterns of three commercially important wrasse (Labridae) species inside a small marine protected area (~ 0.15 km2) on the west coast of Norway were analysed over a period of 21 months. The mean distance ... -
Oil droplet fouling on lesser sandeel (Ammodytes marinus) eggshells does not enhance the crude oil induced developmental toxicity
Sørhus, Elin; Bjelland, Reidun Marie; Durif, Caroline; Johnsen, Espen; Donald, Carey; Meier, Sonnich; Nordtug, Trond; Vikebø, Frode Bendiksen; Perrichon, Prescilla (Peer reviewed; Journal article, 2024)The oil industry's expansion and increased operational activity at older installations, along with their demolition, contribute to rising cumulative pollution and a heightened risk of accidental oil spills. The lesser ... -
A positive temperature-dependent effect of elevated CO<inf>2</inf> on growth and lipid accumulation in the planktonic copepod, Calanus finmarchicus
Fields, David M.; Runge, Jeffrey A.; Thompson, Cameron; Durif, Caroline; Shema, Steven D.; Bjelland, Reidun Marie; Niemisto, Maura; Arts, Michael T.; Skiftesvik, Anne Berit; Browman, Howard (Peer reviewed; Journal article, 2022)Calanus finmarchicus were reared from eggs to adults at 12°C and 16°C with non-limiting food in combination with ambient (600 μatm) and high (1100 μatm) pCO2. These conditions are likely to be encountered by the species ... -
Program rensefisk: Adferd og artssamspill i laksemerder
Skiftesvik, Anne Berit; Bjelland, Reidun Marie; Durif, Caroline; Moltumyr, Lene; Hjellum, Ruth Berit; Halvorsen, Kim Aleksander Tallaksen (Rapport fra havforskningen;33-2018, Research report, 2018)Rensefisk er lakseoppdretternes viktigste, ikke-medikamentelle hjelpemiddel i kampen mot lakselus. Det brukes ofte flere arter rensefisk i kombinasjon, men det er lite kjent om adferd og artssamspill kan påvirke effekten ... -
Program rensefisk: Kunstig lys og rensefisk - Sluttrapport FHF prosjekt 901146
Skiftesvik, Anne Berit; Bjelland, Reidun Marie; Durif, Caroline; Halvorsen, Kim Aleksander Tallaksen; Shema, Steven; Fields, David M.; Browman, Howard (Rapport fra havforskningen;Nr. 16 - 2017, Research report, 2017) -
Regulation of gene expression is associated with tolerance of the Arctic copepod Calanus glacialis to CO2-acidified sea water
Bailey, Allison Michelle; De Wit, Pierre; Thor, Peter; Browman, Howard; Bjelland, Reidun Marie; Shema, Steven; Fields, David M.; Runge, Jeffrey A.; Thompson, Cameron; Hop, Haakon (Peer reviewed; Journal article, 2017) -
Seleksjon i leppefiskredskap - FHF-prosjekt 901253, sluttrapport
Jørgensen, Terje; Bjelland, Reidun Marie; Halvorsen, Kim Aleksander Tallaksen; Durif, Caroline; Shema, Steven; Larsen, Torkel; Thompson, Cameron; Skiftesvik, Anne Berit (Rapport fra havforskningen;Nr. 32 - 2017, Research report, 2017) -
The ontogeny of lymphoid organs and IgM<sup>+</sup> B-cells in ballan wrasse (Labrus bergylta) reveals a potential site for extrarenal B-cell lymphopoiesis: The pancreas
Etayo, Angela; Bjørgen, Håvard; Koppang, Erling Olaf; Lie, Kai Kristoffer; Bjelland, Reidun Marie; Hordvik, Ivar; Øvergård, Aina-Cathrine; Sæle, Øystein (Peer reviewed; Journal article, 2024)Vaccination of farmed fish is the most effective prophylactic measure against contagious diseases but requires specific knowledge on when the adaptive immune system is fully developed. The present work describes kidney and ... -
The planktonic stages of the salmon louse (Lepeophtheirus salmonis) are tolerant of end-of-century pCO2 concentrations
Thompson, Cameron; Fields, David M.; Bjelland, Reidun Marie; Chan, Vera BS; Durif, Caroline; Mount, Andrew; Runge, Jeffrey A.; Shema, Steven; Skiftesvik, Anne Berit; Browman, Howard (Journal article; Peer reviewed, 2019)The copepod Lepeophtheirus salmonis is an obligate ectoparasite of salmonids. Salmon lice are major pests in salmon aquaculture and due to its economic impact Lepeophtheirus salmonis is one of the most well studied species ... -
The thymus and T-cell ontogeny in ballan wrasse (Labrus bergylta) is nutritionally modelled
Etayo, Angela; Lie, Kai Kristoffer; Bjelland, Reidun Marie; Hordvik, Ivar; Øvergård, Aina-Cathrine; Sæle, Øystein (Peer reviewed; Journal article, 2023)Marine fish larvae often experience high mortality unrelated to predation during early life stages, and farmed ballan wrasse (Labrus bergylta) is no exception. Knowing when the adaptive immune system is developed and fully ...