Thorolf Magnesen
Position
Emeriti
Affiliation
Publications
Academic article
- Thorolf Magnesen; Øivind Bergh; Gyda Christophersen (2006). Yields of great scallop, Pecten maximus, larvae in a commercial flow-through rearing system in Norway. (external link)
- Thorolf Magnesen; Gyda Christophersen (2007). Large-scale raceway nursery for improved scallop (Pecten maximus) spat production. (external link)
- Rejean Tremblay; Gyda Christophersen; Jean-Bruno Nadalini et al. (2019). Improving scallop (Pecten maximus and Placopecten magellanicus) spat production by initial larvae size and hydrodynamic cues used in nursery system. (external link)
- Philine S.E. Zu Ermgassen; Marina Albentosa; Nienke Bakker et al. (2023). Ten priority questions for increasing the consistency and success in hatchery production of the European flat oyster for habitat restoration. (external link)
- Ruth-Anne Sandaa; Laila Brunvold; Thorolf Magnesen et al. (2008). Monitoring the opportunistic bacteria Pseudoalteromonas sp. LT-13 in a great scallop, Pecten maximus hatchery. (external link)
- Ana Dieguez; Sabela Balboa; Thorolf Magnesen et al. (2019). Comparative study of the culturable microbiota present in two different rearing systems, flow-through system (FTS) and recirculation system (RAS), in a great scallop hatchery. (external link)
- Lise Torkildsen; Rosie Coyne; Ole Bent Samuelsen et al. (2002). Treatment of early life stages of scallop (Pecten maximus) with antimicrobial agents; searching for an alternative to chloramphenicol.. (external link)
- Thorolf Magnesen; Anita Jacobsen (2012). Effect of water recirculation on seawater quality and production of scallop (Pecten maximus) larvae. (external link)
- Anita Jacobsen; Otto Grahl-Nielsen; Thorolf Magnesen (2012). Effects of reduced diameter of bag cultures on content of essential fatty acids and cell density in a continuous algal production system. (external link)
- Sissel Andersen; Gyda Christophersen; Thorolf Magnesen (2013). Implications of larval diet concentration on post-larval yield in a production scale flow-through system for scallops (Pecten maximus Lamarck) in Norway. (external link)
- Philine S.E. Zu Ermgassen; Åsa Strand; Nienke Bakker et al. (2023). Overcoming Ostrea edulis seed production limitations to meet ecosystem restoration demands in the UN decade on restoration. (external link)
- Kirsten Jayne Redmond; Thorolf Magnesen; Pia Kupka Hansen et al. (2010). Stable isotopes and fatty acids as tracers of the assimilation of salmon fish feed in blue mussels (Mytilus edulis). (external link)
- Avital Wagner; Alexander Upcher; Raquel Maria et al. (2023). Macromolecular sheets direct the morphology and orientation of plate-like biogenic guanine crystals. (external link)
- Pauline Kamermans; Ainhoa Blanco; Sandra Joaquim et al. (2016). Recirculation nursery systems for bivalves. (external link)
- Ø. Strand; P.T. Solberg; K.K. Andersen et al. (1993). Salinity tolerance of juvenile scallops (Pecten maximus L.) at low temperature. (external link)
- Angeles Louro; Gyda Christophersen; Thorolf Magnesen et al. (2007). Suspension culture of the great scallop Pecten maximus in Galicia, NW Spain: Intermediate secondary culture from juveniles to young adults. (external link)
- Lise Torkildsen; Are Nylund; Thorolf Magnesen et al. (2005). Bacteria associated with early life stages of the great scallop, Pecten maximus; impact on larval survival. (external link)
- A Louro; Gyda Christophersen; Thorolf Magnesen et al. (2005). Suspension culture of the great scallop Pecten maximus in Galicia, NW Spain - Intermediate primary culture of hatchery produced spat. (external link)
- Ana L. Diéguez; Anita Jacobsen; Thorolf Magnesen et al. (2015). Sinobacterium norvegicum sp. nov., isolated from great scallop (Pecten maximus) broodstock and emended description of Sinobacterium caligoides. (external link)
- Gyda Christophersen; Guillermo Roman; Jerry Gallagher et al. (2008). Post-transport recovery of cultured scallop (Pecten maximus) spat, juveniles and adults. (external link)
- Ana Dieguez; Sabela Balboa; Thorolf Magnesen et al. (2017). Neptuniibacter pectenicola sp. nov. and Neptuniibacter marinus sp. nov.,two novel species isolated from a Great scallop (Pecten maximus)hatchery in Norway and emended description of the genusNeptuniibacter.. (external link)
- Ana Dieguez; Phillip Pichon; Sabela Balboa et al. (2017). Complete characterization of new isolates of Neptunomonas phycophila leads to emend its description and opens possibilities of biotechnological applications. (external link)
- Øyvind Strand; Paul T. Solberg; Knut K. Andersen et al. (1993). Salinity tolerance of juvenile scallops (Pecten maximus L.) at low temperature. (external link)
- Øivind Andersen; Jacob Seilø Torgersen; Helene Pagander et al. (2009). Gene expression analyses of essential catch factors in the smooth and striated adductor muscles of larval, juvenile and adult great scallop (Pecten maximus). (external link)
- Ana Dieguez; Sabela Balboa; Thorolf Magnesen et al. (2017). Arcobacter lekithochrous sp. nov., isolated from a molluscan hatchery. (external link)
- Gyda Christophersen; Thorolf Magnesen (2001). Effects of deployment time and acclimation on survival and growth of hatchery-reared scallop (Pecten maximus) spat transferred to the sea. (external link)
- Thorolf Magnesen; Gyda Christophersen (2008). Reproductive cycle and conditioning of translocated scallops (Pecten maximus) from five broodstock populations in Norway. (external link)
- Thorolf Magnesen; Svein Rune Erga; Gyda Christophersen (2010). Growth of scallop spat in a raceway nursery during autumn conditions in western Norwegian waters. (external link)
- Otto Grahl-Nielsen; Anita Jacobsen; Gyda Christophersen et al. (2010). Fatty acid composition in adductor muscle of juvenile scallops (Pecten maximus) from five Norwegian populations reared in the same environment. (external link)
- Anita Jacobsen; Otto Grahl-Nielsen; Thorolf Magnesen (2010). Does a large-scale continuous algal production system provide a stable supply of fatty acids to bivalve hatcheries?. (external link)
- Ruth-Anne Sandaa; Thorolf Magnesen (2003). Characterization of the bacterial community associated with early stages of great scallop (Pecten maximus) using denaturing gradient gel electrophoresis (DGGE). (external link)
- Thorolf Magnesen (2004). Hatchery production of scallop larvae (Pecten maximus) � survival in different rearing systems. (external link)
- Thorolf Magnesen (2003). Treatment of the early life stages of scallop (Pecten maximus) with antimicrobial agents; searching for an alternative to chloramphenicol. (external link)
- Thorolf Magnesen; Kirsten Jayne Redmond (2012). Potential predation rates by the sea stars Asterias rubens and Marthasterias glacialis, on juvenile scallops, Pecten maximus, ready for sea ranching. (external link)
- Anita Jacobsen; Otto Grahl-Nielsen; Thorolf Magnesen (2011). Effects of reduced diameter of bag cultures on content of essential fatty ascids and cell density in a continous algal production system. (external link)
- Christopher M. Hollenbeck; David S. Portnoy; Daniel Garcia de la Serrana et al. (2022). Temperature-associated selection linked to putative chromosomal inversions in king scallop (Pecten maximus). (external link)
- Thorolf Magnesen; Anita Jacobsen; Malebo Hellen Moepi (2013). Effect of different filter methods on seawater quality at a marine scallop hatchery. (external link)
- Nina Sandlund; Lise Torkildsen; Thorolf Magnesen et al. (2006). Immunohistochemistry of great scallop Pecten maximus larvae experimentally challenged with pathogenic bacteria. (external link)
- Øivind Andersen; Jacob S. Torgersen; Helene H. Pagander et al. (2009). Gene expression analysis of essential catch factors in the smooth and striated adductor muscles of larval, juvenile and adult great scallop (Pecten maximus). (external link)
Conference abstract
- Marianna Pauletto; Massimo Milan; Massimilano Babbucci et al. (2013). Transcriptome analysis of Pecten maximus hemocytes. (external link)
- Sissel Andersen; Gyda Christophersen; Thorolf Magnesen (2006). Flow-through larval systems with different algal concentrations. (external link)
- Gyda Christophersen; Thorolf Magnesen (2006). Scallop spat production in Norway - Is land-based nursery needed as an intermediate step between hatchery and sea?. (external link)
- Sissel Andersen; Gyda Christophersen; Thorolf Magnesen (2007). Scallop fishery enhancement by area rotation - A management perspective. (external link)
- Thorolf Magnesen (2007). Scallop aquaculture in Norway-political vision, oil money but no commercialisation strategy!. (external link)
- Gyda Christophersen; Thorolf Magnesen; Sissel Andersen (2007). Post-larval settlement of Pecten maximus L. in culture and effects of environmental conditions. (external link)
- Sissel Andersen; Gyda Christophersen; Thorolf Magnesen (2007). Effect of initial stocking density on Pecten maximus L. larval and post-larval performance. (external link)
Conference lecture
- Gyda Christophersen; Thorolf Magnesen (2008). A north-south study of Norwegian Pecten maximus broodstock. (external link)
- Otto Grahl-Nielsen; Gyda Christophersen; Anita Jacobsen et al. (2008). Identification of Pecten maximus populations in Norway by muscle fatty acid profiles. (external link)
- Gyda Christophersen; Thorolf Magnesen; Guillermo Roman (2003). Scallop activity, a measure of vitality? [A part of the SCALQUAL, EU CRAFT project no. Q5CR 2000-70310]. (external link)
- Thorolf Magnesen (2000). Potensiale for verdiskapning basert på fremtidig utvikling av skalldyrnæring. (external link)
- Kirsten Jayne Redmond; Thorolf Magnesen; Pia Kupka Hansen et al. (2009). Stable isotopes and fatty acids as tracers of the assimilation of salmon fish feed in blue mussels (Mytilus edulis). (external link)
- Sissel Andersen; Gyda Christophersen; Thorolf Magnesen (2009). Factors affecting Pecten maximus postlarvae in down-wellers. (external link)
- Jean-Bruno Nadalini; Rejean Tremblay; Sissel Andersen et al. (2010). Successful survival of the metamorphosis of Pecten maximus cultured in through flow. (external link)
- Sissel Andersen; Gyda Christophersen; Thorolf Magnesen (2010). Can diatom ratio in the broodstock diet affect spawning results for the great scallop (Pecten maximus L.) after artificial conditioning?. (external link)
- Jean-Bruno Nadalini; Rejean Tremblay; Sissel Andersen et al. (2010). Successful survival of the metamorphosis of Pecten maximus cultured in through flow. (external link)
- Sissel Andersen; Gyda Christophersen; Thorolf Magnesen (2010). Attachment and metamorphosis in great scallop Pecten maximus: factors that can improve production results. (external link)
- Sissel Andersen; Gyda Christophersen; Thorolf Magnesen (2007). Effect of initial stocking density on Pecten maximus L.larval and post-larval performance. (external link)
- Gyda Christophersen; Sissel Andersen; Svein Rune Erga et al. (2009). The challenge of reducing the production time of juvenile scallops (Pecten maximus) intended for sea ranching. (external link)
- Gyda Christophersen; Svein Rune Erga; Thorolf Magnesen (2009). Production of Pecten maximus L. in land-based nursery during autumn season. (external link)
- Gyda Christophersen; Sissel Andersen; Thorolf Magnesen (2007). Post-larval settlement of Pecten maximus L. in culture and effects of environmental conditions. (external link)
- Gyda Christophersen; Kirsten Jayne Redmond; Thorolf Magnesen (2010). Optimising scallop Pecten maximus settlement efficiency by harvesting the best ratio of competent larvae. (external link)
- Kirsten Jayne Redmond; Gyda Christophersen; Thorolf Magnesen (2010). Synchronisation of broodstock gonad maturation in scallop Pecten maximus during autumn and winter. (external link)
- Sissel Andersen; Gyda Christophersen; Thorolf Magnesen (2005). Flow-through larval systems with different algal concentrations. (external link)
- Gyda Christophersen; Thorolf Magnesen (2005). Scallop spat production in Norway – is land-based nursery needed as an intermediate step between hatchery and sea?. (external link)
Academic book chapter
- Sissel Andersen; Stein Mortensen; Øivind Strand et al. (2003). Skjell - miljøvennlig fremtidsnæring. (external link)
- Kirsten Redmond; Thorolf Magnesen; Gyda Christophersen (2018). The effect of winter pre-conditioning treatment on synchronising gonad development and spawning of the great scallop (Pecten maximus). (external link)
- Kirsten Redmond; Thorolf Magnesen; Gyda Christophersen (2018). Monitoring marine bacteria in a European flat oyster (Ostrea edulis) hatchery using 3M PetrifilmTM Aerobic Count Plate. (external link)
Popular science article
- Sissel Andersen; Thorolf Magnesen; Gyda Christophersen (2005). Yngelproduksjon av stort kamskjell. (external link)
- Thorolf Magnesen (2001). Yngelproduksjon av stort kamskjell- problematisk larvefase ?. (external link)
- Sissel Andersen; Gyda Christophersen; Thorolf Magnesen (2006). Norway's scallop industry moves toward large-scale larval culture. (external link)
- Ruth-Anne Sandaa; Thorolf Magnesen (2004). Produksjon av kamskjellyngel. Vekk med antibiotika og opp med overlevelsen. (external link)
- Thorolf Magnesen (2004). Havbeiteloven � et virkemiddel for næringsutvikling?. (external link)
- Thorolf Magnesen; S. Andersen (1993). Yngelproduksjon av stort kamskjell. (external link)
- Thorolf Magnesen (1992). Hvor står vi når det gjelder oppdrett av stort kamskjell?. (external link)
- Thorolf Magnesen (1992). Skjellnæring i Norge. NFFR. (external link)
- Thorolf Magnesen (1993). Produksjon av stort kamskjell, FoU. (external link)
- Thorolf Magnesen (2009). Scallop Culture in Norway. (external link)
Research report
- Sissel Andersen; Gyda Christophersen; Thorolf Magnesen (2009). Dagens forskning på yngelproduksjon av kamskjell. (external link)
- Thorolf Magnesen; Eirik Brynjelsen (1998). Yngelproduksjon av stort kamsjell 1997. (external link)
- S. Hjohlman; T. E. Lein; Knut Årrestad et al. (1994). Tang og tareundersøkelser. Delrapport 4. Miljøundersøkelser i Gassasundet og Nautøysundet, Bømlo og Stord kommune. (external link)
- A. Johannessen; U. Lie; Thorolf Magnesen (1994). Fisk og skalldyrundersøkelser. Delrapport 5. Miljøundersøkelser i Gassasundet og Nautøysundet, Bømlo og Stord kommune. (external link)
- Dag Lorents Aksnes; U. Lie; Thorolf Magnesen (1994). Produksjonsforhold for plankton og betraktninger om resipientkapasitet. Delrapport 2. Miljøundersøkelser i Gassasundet og Nautøysundet, Bømlo og Stord kommune. (external link)
- Helge Botnen; Ø. Tvedten; Per J Johannessen et al. (1994). Bunndyrundersøkelser. Delrapport 3. Miljøundersøkelser i Gassasundet og Nautøysundet, Bømlo og Stord kommune. (external link)
- U. Lie; Thorolf Magnesen (1994). Nytt riksvegsamband Sveio-Stord-Bømlo. Konsekvenser for marint miljø. (external link)
- Gyda Christophersen; Thorolf Magnesen (2009). Settlement of Pecten maximus L. — Effects of the Postlarval Rearing Environment. (external link)
- Ulf Lie; Thorolf Magnesen (1993). Prymnesium parvum i Ryfylke. Sluttrapport. (external link)
- Ulf Lie; Thorolf Magnesen (1993). Miljøundersøkelser i Høylandssundet, Kvinnherad kommune. (external link)
- Herman G. Gade; Thorolf Magnesen (1993). Fastlandsforbindelse til Halsnøy. Konsekvenser for marint miljø. (external link)
- Gyda Christophersen; Thorolf Magnesen (1996). Yngelproduksjon av stort kamskjell. (external link)
- Thorolf Magnesen (1993). CO<sub>2</sub>-injeksjon i havet, effekter på marint liv. (external link)
- Ulf Lie; Thorolf Magnesen (1993). Forskningsprogrammet MILFOR. Forstudie om økologiske effekter. (external link)
- Ulf Lie; Thorolf Magnesen (1994). Riksvegsamband Sveio-Stord-Bømlo: Konsekvenser for marint miljø. (external link)
- Dag Lorents Aksnes; Ulf Lie; Thorolf Magnesen (1993). Produksjonsforhold for plankton. (external link)