Browsing Articles by Author "Skiftesvik, Anne Berit"
Now showing items 21-40 of 43
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Magnetic Compass Orientation in the European Eel
Durif, Caroline M.F.; Browman, Howard I.; Phillips, John B.; Skiftesvik, Anne Berit; Vøllestad, Leif Asbjørn; Stockhausen, Hans Hagen (Journal article; Peer reviewed, 2013-03-15)European eel migrate from freshwater or coastal habitats throughout Europe to their spawning grounds in the Sargasso Sea. However, their route (~ 6000 km) and orientation mechanisms are unknown. Several attempts have been ... -
Magnetic Compass Orientation in the European Eel
Durif, Caroline; Browman, Howard; Phillips, John B.; Skiftesvik, Anne Berit; Vøllestad, Leif Asbjørn; Stockhausen, Hagen (Peer reviewed; Journal article, 2013) -
Magnetic fields generated by submarine power cables have a negligible effect on the swimming behavior of Atlantic lumpfish (Cyclopterus lumpus) juveniles
Durif, Caroline; Nyqvist, Daniel; Taormina, Bastien; Shema, Steven; Skiftesvik, Anne Berit; Freytet, Florian; Browman, Howard (Peer reviewed; Journal article, 2023)Submarine power cables carry electricity over long distances. Their geographic distribution, number, and areal coverage are increasing rapidly with the development of, for example, offshore wind facilities. The flow of ... -
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 ... -
Mind the depth: The vertical dimension of a small-scale coastal fishery shapes selection on species, size, and sex in wrasses
Halvorsen, Kim Aleksander Tallaksen; Sørdalen, Tonje Knutsen; Larsen, Torkel; Browman, Howard; Rafoss, Trond; Albretsen, Jon; Skiftesvik, Anne Berit (Peer reviewed; Journal article, 2020)Small‐scale fisheries (SSFs) tend to target shallow waters, but the depth distributions of coastal fish can vary depending on species, size, and sex. This creates a scope for a form of fishing selectivity that has received ... -
Moral, ethical and scientific aspects of welfare in aquatic organisms
Browman, Howard I.; Skiftesvik, Anne Berit (Journal article; Peer reviewed, 2007-05-04) -
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 ... -
Orientation behavior and swimming speed of Atlantic herring larvae (Clupea harengus) in situ and in laboratory exposures to rotated artificial magnetic fields
Cresci, Alessandro; Allan, Bridie Jean Marie; Shema, Steven D.; Skiftesvik, Anne Berit; Browman, Howard (Peer reviewed; Journal article, 2020) -
Overwintering behaviour of yellow-stage European eel (Anguilla anguilla) in a natural marine fjord system
Rohtla, Mehis; Moland, Even; Skiftesvik, Anne Berit; Thorstad, Eva Bonsak; Bosgraaf, Sebastian; Olsen, Esben Moland; Browman, Howard; Durif, Caroline (Peer reviewed; Journal article, 2022)Like many animals, northern temperate eel can enter a hibernation-like state and become dormant during the winter. Knowledge of overwintering behaviour in eel is sparse and mainly based on anecdotal observations and a few ... -
Photo-enhanced toxicity of crude oil on early developmental stages of Atlantic cod (Gadus morhua)
Aranguren Abadía, Libe; Yadetie, Fekadu; Donald, Carey; Sørhus, Elin; Myklatun, Lars Eirik; Zhang, Xiaokang; Lie, Kai Kristoffer; Perrichon, Prescilla; Nakken, Charlotte Langeland; Durif, Caroline; Shema, Steven; Browman, Howard; Skiftesvik, Anne Berit; Goksøyr, Anders; Meier, Sonnich; Karlsen, Odd André (Peer reviewed; Journal article, 2022)Photo-enhanced toxicity of crude oil is produced by exposure to ultraviolet (UV) radiation. Atlantic cod (Gadus morhua) embryos were exposed to crude oil with and without UV radiation (290–400 nm) from 3 days post fertilization ... -
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 ... -
Problems with equating thermal preference with `emotional fever? and sentience: Comment on `fish can show emotional fever: Stress-induced hyperthermia in zebrafish? by rey et al. (2015)
Key, Brian; Arlinghaus, Robert; Browman, Howard; Cooke, Steven J.; Cowx, Ian G.; Diggles, Benjamin Keith; Rose, James D.; Sawynok, William; Schwab, A.; Skiftesvik, Anne Berit; Stevens, E. Don; Watson, Craig A. (Peer reviewed; Journal article, 2017) -
The Atlantic salmon (Salmo salar) antimicrobial peptide cathelicidin-2 is a molecular host-associated cue for the salmon louse (Lepeophtheirus salmonis)
Núñez-Acuña, Gustavo; Gallardo-Escárate, Cristian; Fields, David M.; Shema, Steven; Skiftesvik, Anne Berit; Ormazábal, Ignacio; Browman, Howard (Journal article; Peer reviewed, 2018)Chemical signals are a key element of host-parasite interactions. In marine ecosystems, obligate ectoparasites, such as sea lice, use chemical cues and other sensory signals to increase the probability of encountering a ... -
The evolving story of catadromy in the European eel (Anguilla anguilla)
Durif, Caroline; Arts, M.; Bertolini, F.; Cresci, Alessandro; Daverat, F.; Karlsbakk, Egil Erlingsson; Koprivnikar, J.; Moland, Even; Olsen, Esben Moland; Parzanini, C.; Power, M.; Rohtla, Mehis; Skiftesvik, Anne Berit; Thorstad, Eva Bonsak; Vøllestad, Leif Asbjørn; Browman, Howard (Peer reviewed; Journal article, 2023)Anguillid eels were once considered to be the classic example of catadromy. However, alternative life cycles have been reported, including skipping the freshwater phase and habitat shifting between fresh, brackish, and ... -
The evolving story of catadromy in the European eel (Anguilla anguilla)
Durif, Caroline; Arts, M.; Bertolini, F.; Cresci, Alessandro; Daverat, F.; Karlsbakk, Egil Erlingsson; Koprivnikar, J.; Moland, Even; Olsen, Esben Moland; Parzanini, C.; Power, M.; Rohtla, Mehis; Skiftesvik, Anne Berit; Thorstad, Eva Bonsak; Vøllestad, Leif Asbjørn; Browman, Howard (Peer reviewed; Journal article, 2023)Anguillid eels were once considered to be the classic example of catadromy. However, alternative life cycles have been reported, including skipping the freshwater phase and habitat shifting between fresh, brackish, 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 relationship between the moon cycle and the orientation of glass eels (Anguilla anguilla) at sea
Cresci, Alessandro; Durif, Caroline; Paris, Claire B.; Thompson, Cameron; Shema, Steven; Skiftesvik, Anne Berit; Browman, Howard (Journal article; Peer reviewed, 2019)Links between the lunar cycle and the life cycle (migration patterns, locomotor activity, pulses in recruitment) of the European eel (Anguilla anguilla) are well documented. In this study, we hypothesized that the orientation ... -
The three-dimensional prey field of the northern krill, Meganyctiphanes norvegica, and the escape responses of their copepod prey
Abrahamsen, Mari B.; Browman, Howard I.; Fields, David M.; Skiftesvik, Anne Berit (Journal article; Peer reviewed, 2010-02-24)In the north Atlantic, Meganyctiphanes norvegica feeds predominantly on copepods, including Calanus spp. To quantify its perceptual field for prey, and the sensory systems underlying prey detection, the responses of tethered ... -
Trophic ecology of the european eel (Anguilla anguilla) across different salinity habitats inferred from fatty acid and stable isotope analysis
Parzanini, Camilla; Arts, Michael T.; Power, Michael; Rohtla, Mehis; Skiftesvik, Anne Berit; Koprivnikar, Janet; Browman, Howard; Milotic, Dino; Durif, Caroline (Peer reviewed; Journal article, 2021)We combined fatty acid (FA) and stable isotope (SI) analyses to investigate the trophic ecology of different stages of European eels (Anguilla anguilla) across seawater (SW), brackish water (BW), and freshwater (FW) habitats. ...