Blar i Brage IMR på forfatter "Albert, Ole Thomas"
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A short note on recent tagging experiments of juvenile Greenland halibut.
Albert, Ole Thomas (Working paper, 2011) -
Automatic interpretation of otoliths using deep learning
Moen, Endre; Handegard, Nils Olav; Allken, Vaneeda; Albert, Ole Thomas; Harbitz, Alf; Malde, Ketil (Journal article; Peer reviewed, 2018)The age structure of a fish population has important implications for recruitment processes and population fluctuations, and is a key input to fisheries-assessment models. The current method of determining age structure ... -
Can Pitch & Roll DST distinguish between pelagic and demersal behaviour of adult Greenland halibut
Albert, Ole Thomas; Vollen, Tone (ICES CM documents, Conference object, 2006) -
Can Pitch & Roll DST distinguish between pelagic and demersal behaviour of adult Greenland halibut
Albert, Ole Thomas; Vollen, Tone (ICES CM documents, Conference object, 2006) -
Early development of Northeast Arctic greenland halibut (Reinhardtius hippoglossoides)
Stene, Anne; Gundersen, Agnes C.; Albert, Ole Thomas; Solemdal, Per; Nedreaas, Kjell Harald (ICES CM Documents;1998/O:27, Working paper, 1998)The early development of the Greenland halibut (Reinhardtius hippoglossoides) has never been described in detail. This study contains some preliminary notes on the egg development of the Northeast Arctic Greenland halibut ... -
Final report from the 3-year Russian-Norwegian research programme on Greenland halibut 2007-2009
Albert, Ole Thomas; Drevetnyak, Konstantin; Hallfredsson, Elvar; Smirnov, Oleg; Vollen, Tone (IMR/PINRO Joint Report Series;3/1010, Research report, 2010-09-16) -
Growth and formation of annual zones in whole otoliths of Greenland halibut, a slow-growing deep-water fish
Albert, Ole Thomas (Journal article; Peer reviewed, 2016-03-16)There is currently no generally agreed and validated method for age estimation of Greenland halibut (Reinhardtius hippoglossoides) from otoliths, and ageing of intermediate sized individuals of this deep-water flatfish is ... -
Havets skumleste
Bergstad, Odd-Aksel; Albert, Ole Thomas; Jelmert, Anders; Bjelland, Otte; Kleiven, Alf Ring; Espeland, Sigurd Heiberg; Moland, Even (Others, 2015-06) -
Highly mixed impacts of near-future climate change on stock productivity proxies in the North East Atlantic
Kjesbu, Olav Sigurd; Sundby, Svein; Sandø, Anne Britt; Alix, Maud; Hjøllo, Solfrid Sætre; Tiedemann, Maik; Skern-Mauritzen, Mette; Junge, Claudia; Fossheim, Maria; Broms, Cecilie; Søvik, Guldborg; Zimmermann, Fabian; Nedreaas, Kjell Harald; Eriksen, Elena; Höffle, Hannes; Hjelset, Ann Merete; Kvamme, Cecilie; Reecht, Yves; Knutsen, Halvor; Aglen, Asgeir; Albert, Ole Thomas; Berg, Erik; Bogstad, Bjarte; Durif, Caroline; Halvorsen, Kim Aleksander Tallaksen; Høines, Åge Sigurd; Hvingel, Carsten; Johannesen, Edda; Johnsen, Espen; Moland, Even; Myksvoll, Mari Skuggedal; Nøttestad, Leif; Olsen, Erik Joel Steinar; Skaret, Georg; Skjæraasen, Jon Egil; Slotte, Aril; Staby, Arved; Stenevik, Erling Kåre; Stiansen, Jan Erik; Stiasny, Martina H.; Sundet, Jan Henry; Vikebø, Frode Bendiksen; Huse, Geir (Peer reviewed; Journal article, 2021)Impacts of climate change on ocean productivity sustaining world fisheries are predominantly negative but vary greatly among regions. We assessed how 39 fisheries resources—ranging from data-poor to data-rich stocks—in the ... -
Kveite i norske farvann. Status og utfordringer for forvaltning og forskning
Høines, Åge S.; Bjelland, Otte; Michalsen, Kathrine; Vølstad, Jon Helge; Helle, Kristin; Vollen, Tone; Nedreaas, Kjell Harald; Albert, Ole Thomas (Rapport fra Havforskningen;Nr.1-2009, Working paper, 2009-05)Kveite, eller atlantisk kveite og hvitkveite som den også kalles for å skille den fra blåkveite, er den største beinfisken i norske farvann og har i alle år hatt en spesiell status i fiskeri og folkeminne. Som mange andre ... -
Kvoteråd for vassildfiske i norsk sone i 2010
Hallfredsson, Elvar; Harbitz, Alf; Albert, Ole Thomas (Rapport fra Havforskningen;Nr.4-2009, Working paper, 2009-11)Anbefalinger: Det anbefales en totalkvote på 10.000 tonn for direkte fiske etter vassild nord for 62°N i 2010. Havforskningsinstitutet har ikke innvendinger mot bifangstregulering av vassild sør for 62°N. -
Long rough dab (Hippoglossoides platessoides) of the Barents Sea and Svalbard area: ecology and resource evaluation
Albert, Ole Thomas; Mokeeva, Natalia; Sunnanå, Knut (ICES CM Documents;1994/O:8, Working paper, 1994)Based on data from Norwegian and Russian bottom trawl surveys in the years 1988-1993, the paper considers distribution, population structure, growth and reproduction of long rough dab (Hippoglossoides platessoides) of ... -
Lumpsucker (Cyclopterus lumpus) otoliths: dissection, mounting and age-reading
Albert, Ole Thomas; Bertelsen, Bernt; Sigurdur T., Jonsson; Pettersen, Ivar H.; Torstensen, Else (Nofima rapportserie, Research report, 2000)A workshop was held at Institute of Marine Research, Flødevigen Marine Research Station, Arendal, Norway, 17-19 February 1999, to investigate methodes for age-determination of lumpsucker (Cyclopterus lumpus) from otoliths. ... -
Migration patterns of Greenland halibut in the North Atlantic revealed by a compiled mark-recapture dataset
Vihtakari, Mikko; Elvarsson, Bjarki Pór; Treble, Margaret; Nogueira, Adriana; Hedges, Kevin; Hussey, Nigel E.; Wheeland, Laura; Roy, Denis; Ofstad, Lise Helen; Hallfredsson, Elvar Halldor; Barkley, Amanda; Estevez-Barcia, Daniel; Nygaard, Rasmus; Healey, Brian; Steingrund, Petur; Johansen, Torild; Albert, Ole Thomas; Boje, Jesper (Peer reviewed; Journal article, 2022)Marine fisheries are often allocated to stocks that reflect pragmatic considerations and may not represent the species’ spatial population structure, increasing the risk of mismanagement and unsustainable harvesting. Here ... -
Modelling the advection and diffusion of eggs and larvae of Northeast Arctic Greenland halibut
Ådlandsvik, Bjørn; Gundersen, Agnes C.; Nedreaas, Kjell Harald; Stene, Anne; Albert, Ole Thomas (ICES CM documents, Working paper, 1999)In later years there has been considerable uncertainty on the recruitment of the northeast Arctic stock of Greenland halibut (Reinhardtius hyppoglossoides). The abundance of several year classes originally considered ... -
Pan-Arctic suitable habitat model for Greenland halibut
Vihtakari, Mikko; Hordoir, Robinson; Treble, Margret A; Bryan, Meaghan D.; Elvarsson, Bjarki; Nogueira, Adriana; Hallfredsson, Elvar H.; Christiansen, Jørgen Schou; Albert, Ole Thomas (Peer reviewed; Journal article, 2021)Deep-sea marine fishes support important fisheries but estimates of their distributions are often incomplete as the data behind them may reflect fishing practices, access rights, or political boundaries, rather than actual ... -
Pelagic occurence of Greenland halibut (Reinhardtius hippoglossoides) determined from experimental fishing with vertical longlines
Vollen, Tone; Albert, Ole Thomas (Conference object, 2005-10-20) -
Pelagic occurrence of Greenland halibut (Reinhardtius hippoglossoides) studied by means of vertical longlines
Vollen, Tone; Albert, Ole Thomas (ICES CM Documents;2004/K:69, Working paper, 2004)In order to calculate reliable survey indices it’s important to know the dynamics of vertical distribution of a fish species. The vertical distribution of Greenland halibut (Reinhardtius hippogolossoides) cannot be studied ... -
Pigghåtoktet 2022 - Et samarbeidstokt mellom Havforskningsinstituttet og Måløy Videregående Skole, med opplæringsfartøyet MS Skulebas Senior
Andrade Rodriguez, Hector Antonio; Vollen, Tone; Larsen, Torfinn Erling; Albert, Ole Thomas (Toktrapport;2022 - 14, Research report, 2022)Pigghå er en datafattig og rødlistet art som historisk har gitt grunnlag for et stort fiskeri med årlige landinger på mer enn 40 000 tonn i mer enn 40 år. Etter langvarig overfiske og etterfølgende bestandssammenbrudd har ... -
Rapport fra Workshop om aldersbestemmelse av blåkveite
Albert, Ole Thomas (Research report, 2004)