Browsing Brage IMR by Author "Folkvord, Arild"
Now showing items 21-40 of 44
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Genetic factors have a major effect on growth, number of vertebrae and otolith shape in Atlantic herring (Clupea harengus)
Berg, Florian; Almeland, Oda W.; Skadal, Julie; Slotte, Aril; Andersson, Leif; Folkvord, Arild (Peer reviewed; Journal article, 2018)Atlantic herring, Clupea harengus, have complex population structures. Mixing of populations is known, but the extent of connectivity is still unclear. Phenotypic plasticity results in divergent phenotypes in response to ... -
Genetic origin and salinity history influence the reproductive success of Atlantic herring
Berg, Florian; Slotte, Aril; Andersson, Leif; Folkvord, Arild (Journal article; Peer reviewed, 2018)Atlantic herring populations inhabit environments ranging in salinity from fully marine to nearly freshwater, but their relative reproductive success in these respective environments remains unclear. We conducted factorial ... -
Growth differences in juvenile Norwegian spring spawning herring (Clupea harengus L.) related to temperature conditions in the nursery areas
Husebø, Åse; Slotte, Aril; Folkvord, Arild (ICES CM documents, Working paper, 2005)Growth differences in juvenile Norwegian spring spawning herring (Clupea harengus L.) related to temperature conditions in the nursery areas The hatched larvae of Norwegian spring spawning herring are transported to ... -
Impact of hatch-date on early life growth and survival of Mueller's pearlside (Maurolicus Muelleri) larvae, and life-history consequences
Folkvord, Arild; Gundersen, Geir; Albretsen, Jon; Asplin, Lars; Kaartvedt, Stein; Giske, Jarl (Journal article, 2015) -
Increasing temperature and prey availability affect the growth and swimming kinematics of Atlantic herring (Clupea harengus) larvae
Allan, Bridie Jean Marie; Browman, Howard; Shema, Steven; Skiftesvik, Anne Berit; Folkvord, Arild; Durif, Caroline; Kjesbu, Olav Sigurd (Peer reviewed; Journal article, 2022)Climate change will increase the magnitude and duration of warming events and the variability in the phenology and abundance of available prey to the early life stages of fish. These factors influence physiological, ... -
Is it possible to photoperiod manipulate spawning time in planktivorous fish ? A long-term experiment on Atlantic herring
dos Santos Schmidt, Thassya Christina; Berg, Florian; Folkvord, Arild; Pires, Alessandra M.A.; Komyakova, Valeriya; Tiedemann, Maik; Kjesbu, Olav Sigurd (Peer reviewed; Journal article, 2022)The oocyte development (vitellogenesis) of individual fish is highly dependent upon their physiology which is influenced by both intrinsic and extrinsic factors. Thus, if individuals encounter poor biophysical conditions, ... -
KunnskapsInnhenting Barentshavet–Lofoten–Vesterålen (KILO)
Sundby, Svein; Fossum, Petter; Sandvik, Anne Dagrun; Vikebø, Frode; Aglen, Asgeir; Buhl-Mortensen, Lene; Folkvord, Arild; Bakkeplass, Kjell; Buhl-Mortensen, Pål; Johannessen, Magnus; Jørgensen, Martin S.; Kristiansen, Trond; Landra, Camilla S.; Myksvoll, Mari Skuggedal; Nash, Richard D.M. (Fisken og Havet;3-2013, Research report, 2013-03)I revidert nasjonalbudsjett 2011 fikk Havforskningsinstituttet i oppdrag å styrke kunnskapsgrunnlaget om marine økosystemer og ressurser i området Lofoten-Vesterålen. Prosjektet ble gjennomført i perioden fra november 2011 ... -
Life in the fast lane: Revisiting the fast growth—High survival paradigm during the early life stages of fishes
Robert, Dominique; Shoji, Jun; Sirois, Pascal; Takasuka, Akinori; Catalán, Ignacio A.; Folkvord, Arild; Ludsin, Stuart A.; Peck, Myron A.; Sponaugle, Su; Ayón, Patricia M.; Brodeur, Richard D.; Campbell, Emily Y.; D'Alessandro, Evan K.; Dower, John F.; Fortier, Louis; García, Alberto G.; Huebert, Klaus B.; Hufnagl, Marc; Ito, Shin-ichi; Joh, Mikimasa; Juanes, Francis; Nyuji, Mitsuo; Oozeki, Yoshioki; Plaza, Guido; Takahashi, Motomitsu; Tanaka, Yosuke; Tojo, Naoki; Watari, Shingo; Yasue, Naotaka; Pepin, Pierre (Peer reviewed; Journal article, 2023)Early life survival is critical to successful replenishment of fish populations, and hypotheses developed under the Growth-Survival Paradigm (GSP) have guided investigations of controlling processes. The GSP postulates ... -
Mass production of juvenile Atlantic cod (Gadus morhua L.) in a pond: results and new approaches in 1985
Folkvord, Arild; Kvenseth, Per Gunnar; Pedersen, Torstein; Øiestad, Victor (ICES CM Documents;1985/F:63, Working paper, 1985)Large scale production of juvenile Atlantic cod has been carried out since 1980. A break-through was obtained in 1983 with high survival rates of cod larvae to metamorphosis. This year we have tried to solve two remaining ... -
Mass-production of cod fry in a pond in western Norway, with additional feeding post-metamorphosis
Øiestad, Victor; Kvenseth, Per Gunnar; Folkvord, Arild (ICES CM Documents;1983/F:5, Working paper, 1983) -
Mixed-stock analysis of Atlantic herring (Clupea harengus): a tool for identifying management units and complex migration dynamics
Bekkevold, Dorte; Berg, Florian; Polte, Patrick; Bartolino, Valerio; Ojaveer, Henn; Mosegaard, Henrik; Farrell, Edward D.; Fedotova, Jelena; Hemmer-Hansen, Jakob; Huwer, Bastian; Trijoulet, Vanessa; Moesgaard Albertsen, Christoffer; Fuentes-Pardo, Angela P.; Gröhsler, Tomas; Pettersson, Mats; Jansen, Teunis; Folkvord, Arild; Andersson, Leif (Peer reviewed; Journal article, 2023) -
Moderate nucleotide diversity in the Atlantic herring is associated with a low mutation rate
Feng, Chungang; Pettersson, Mats; Lamichhaney, Sangeet; Rubin, Carl-Johan; Rafati, Nima; Casini, Michele; Folkvord, Arild; Andersson, Leif (Peer reviewed; Journal article, 2017) -
The pantophysin gene and its relationship with survival in early life stages of Atlantic cod: Pantophysin in Atlantic cod
Otterå, Håkon Magne; Johansen, Torild; Folkvord, Arild; Dahle, Geir; Bingh, Marte Kristine Solvang; Westgaard, Jon-Ivar; Glover, Kevin (Peer reviewed; Journal article, 2020)Genetic markers are widely used in fisheries management around the world. While the genetic structure and markers selected are usually based on samples from the wild, very few controlled experiments have been carried out ... -
Quantitative molecular detection of larval Atlantic herring (Clupea harengus) in stomach contents of Atlantic mackerel (Scomber scombrus) marks regions of predation pressure
Allen, Bridie; Ray, Jessica Louise; Tiedemann, Maik; Komyakova, Valeriya; Vikebø, Frode Bendiksen; Skaar, Katrine Sandnes; Stiasny, Martina H.; Folkvord, Arild; Nash, Richard David Marriott; Stenevik, Erling Kåre; Kjesbu, Olav Sigurd (Peer reviewed; Journal article, 2021)Mortality rates in the early life-history stages of fishes are generally high yet identifying the causes remain unclear. Faltering recruitment rates of Atlantic herring (Clupea harengus) in the Norwegian Sea indicate a ... -
Reconstruction of the birth of a male sex chromosome present in Atlantic herring
Rafati, Nima; Chen, Junfeng; Herpin, Amaury; Pettersson, Mats; Han, Fan; Feng, Chungang; Wallerman, Ola; Rubin, Carl-Johan; Péron, Sandrine; Cocco, Arianna; Larsson, Mårten; Trötschel, Christian; Poetsch, Ansgar; Korsching, Kai; Bönigk, Wolfgang; Körschen, Heinz G.; Berg, Florian; Folkvord, Arild; Benjamin Kaupp, Kaupp; Schartl, Manfred; Andersson, Leif (Peer reviewed; Journal article, 2020)The mechanisms underlying sex determination are astonishingly plastic. Particularly the triggers for the molecular machinery, which recalls either the male or female developmental program, are highly variable and have ... -
Recurrent convergent evolution at amino acid residue 261 in fish rhodopsin
Hill, Jason; Enbody, Erik D.; Pettersson, Mats E.; Sprehn, C. Grace; Bekkevold, Dorte; Folkvord, Arild; Laikre, Linda; Kleinau, Gunnar; Scheerer, Patrick; Andersson, Leif (Journal article; Peer reviewed, 2019)The evolutionary process that occurs when a species colonizes a new environment provides an opportunity to explore the mechanisms underlying genetic adaptation, which is essential knowledge for understanding evolution and ... -
Respiration rates of herring larvae at different salinities and effects of previous environmental history
Berg, Florian; Andersson, Leif; Folkvord, Arild (Peer reviewed; Journal article, 2020)Metabolic rates of early life history stages of marine fishes show considerable inter-individual differences and are highly influenced by extrinsic factors like temperature or food availability. Measuring oxygen uptake ... -
RNAIDNA ratios and growth of herring larvae
Folkvord, Arild; Moksness, Erlend (Journal article; Peer reviewed, 1995-05-25) -
Size selective mortality in Norwegian spring spawning herring juveniles?
Husebø, Åse; Stenevik, Erling Kåre; Slotte, Aril; Vikebø, Frode; Folkvord, Arild; Fossum, Petter (ICES CM documents, Working paper, 2005)The growth-mortality hypothesis, where survival during the larval stage is positively related to size, is tested for Norwegian spring spawning herring (Clupea harengus L.). The daily increment width in the otoliths is ... -
The effect of nutritional condition by two nucleic acid derived indices on the growth to post-flexion of Atlantic bluefin tuna and Atlantic bonito larvae
Blanco, Edurne; Reglero, Patricia; Hernández de Rojas, Alma; Ortega, Aurelio; de la Gándara, Fernando; Folkvord, Arild (Journal article; Peer reviewed, 2019)Notochord flexion increases the swimming capacity of fish larvae, aids in the capture of mobile prey, and coincides with the timing of when the physiological capacities of larvae begin to develop significantly, allowing ...