Browsing Brage IMR by Author "Bjelland, Otte"
Now showing items 1-20 of 20
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Are Norwegian fjords important spawning areas for anglerfish (Lophius piscatorius)?
Bjelland, Otte; Asplin, Lars (ICES CM documents;2007/K:17, Working paper, 2007)The knowledge about anglerfish spawning in the northeastern Atlantic is limited. Mature females are rarely seen in the major commercial fisheries within the area, and the general perception has been that the main spawning ... -
Atlantic bluefin tuna tagged off Norway show extensive annual migrations, high site-fidelity and dynamic behaviour in the Atlantic Ocean and Mediterranean Sea
Ferter, Keno; Pagniello, Camille M.L.S.; Block, Barbara A.; Bjelland, Otte; Castleton, Michael R.; Tracey, Sean R.; Reimer, Theodore E. J.; Sundelöf, Andreas; Onandia, Inigo; Wiech, Martin; Alemany, Francisco; Nøttestad, Leif (Peer reviewed; Journal article, 2024)Atlantic bluefin tuna (ABFT; Thunnus thynnus) is a highly migratory species. To investigate the migrations and vertical behaviours of ABFT migrating to Nordic waters, we deployed pop-up satellite archival transmitting tags ... -
Atlas of the Barents Sea Fishes
Wienerroither, Rupert; Johannesen, Edda; Langøy, Herdis; Eriksen, Kirsti Børve; Wenneck, Thomas de Lange; Høines, Åge S.; Bjelland, Otte; Dolgov, Andrey V.; Prozorkevich, Dmitry; Prokhorova, Tatiana; Drevetnyak, Konstantin; Byrkjedal, Ingvar; Langhelle, Gunnar (IMR/PINRO Joint Report Series;1/2011, Research report, 2011) -
Atlas of the Barents Sea Fishes based on the winter survey.
Wienerroither, Rupert; Johannesen, Edda; Dolgov, Andrey V.; Byrkjedal, Ingvar; Bjelland, Otte; Drevetnyak, Konstantin; Eriksen, Kirsti Børve; Høines, Åge S.; Langhelle, Gunnar; Langøy, Herdis; Murashko, Pavel A.; Prokhorova, Tatiana; Prozorkevich, Dmitry; Smirnov, Oleg; Wenneck, Thomas de Lange (IMR/PINRO Joint Report Series;2/2013, Research report, 2013) -
Blue whiting in the Norwegian Sea, spring and summer 1995 and 1996
Bjelland, Otte; Monstad, Terje (ICES CM Documents;1997/CC:15, Working paper, 1997)The Norwegian Sea is an important feeding area for blue whiting in the Northeast Atlantic. The adult blue whiting migrates into the Norwegian Sea after spawning along the continental slope west of The British Isles. A ... -
Cruise report [20/7 - 17/8, 1997]
Monstad, Terje; Bjelland, Otte; Anthonypillai, Valentine; Gullaksen, Ole; Pedersen, Ronald; Sundt, Rolf C.; Thorsen, Anders ([Toktrapport/Havforskningsinstituttet];, Working paper, 1997-08-21) -
Dypvannsfisk i Førdefjorden. Sannsynlighet for miljøkonsekvenser for bestander av dypvannsfisk som følge av dypvannsdeponi av gruveavgang fra rutil-utvinning i Engebøfjellet, Naustdal kommune
Bjelland, Otte; Helle, Kristin (Rapport fra Havforskningen;Nr.9-2008, Working paper, 2008-11)Nordic Mining ASA planlegger å utvinne rutil fra en forekomst i Engebøfjellet på nordsiden av Førdefjorden i Naustdal kommune i Sogn og Fjordane. Tiltaket er konsekvens-utredningspliktig etter bestemmelser i Plan- og ... -
Fish communities on the slop of the eastern Norwegian Sea
Bergstad, Odd Aksel; Bjelland, Otte; Gordon, John D.M. (ICES CM Documents;1998/O:30, Working paper, 1998)Bortom trawl data from the depth interval 300-2050 m on the slope off Norway were analysed to study distribution of fish biomass and the associated species assemblages. It is hypothesised that the pronounced hydrographic ... -
Hardangerfjorden under lupa; Interaksjonar mellom økosystem, akvakultur og bereevne og klimaendringar
Skaala, Øystein; Sjøtun, Kjersti; Husa, Vivian; Falkenhaug, Tone; Kvamme, Cecilie; Bjelland, Otte; Asplin, Lars; Buhl-Mortensen, Pål; Hansen, Pia Kupka; Ervik, Arne (Havforskningstema;Nr.1-2009, Working paper, 2009) -
Havets skumleste
Bergstad, Odd-Aksel; Albert, Ole Thomas; Jelmert, Anders; Bjelland, Otte; Kleiven, Alf Ring; Espeland, Sigurd Heiberg; Moland, Even (Others, 2015-06) -
Integrating complementary survey methods to estimate catches in Norway’s complex marine recreational hook-and-line fishery
Ferter, Keno; Otterå, Håkon Magne; Christman, Mary C.; Kleiven, Alf Ring; Weltersbach, Marc Simon; Gundersen, Sofie; Djønne, Christine; Bjelland, Otte; Hartill, Bruce; Lyle, Jeremy; Hyder, Kieran; Borch, Trude Kristin; Vølstad, Jon Helge (Peer reviewed; Journal article, 2022)Marine recreational fishing is popular in Norway, but current estimates of the catches by resident and tourist anglers are lacking due to several challenges, in particular Norway’s long and intricate coastline with no ... -
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 ... -
Merketokt på blåkveite (Reinhardtius hippogglossoides) med autolineren M/S Kamaro ved eggakanten sør og vest for Bjørnøya i perioden 20/11 til 16/12 2002
Bjelland, Otte ([Toktrapport/Havforskningsinstituttet];Nr. 35 - 2005, Working paper, 2002) -
Miljøgifter i fisk og fiskevarer 2011: Kvikksølv i djupvassfisk og skaldyr frå Hardangerfjorden samt miljøgifter i marine oljer
Måge, Amund; Bjelland, Otte; Olsvik, Pål; Nilsen, Bente; Julshamn, Kåre (Research report, 2012-12-01) -
Prøvefiske med trollgarn og åleruser på grunt vatn om hausten - Strekninga Florø Ryfylke i perioden 2015-2023
Otterå, Håkon Magne; Bjelland, Otte; Hinriksson, Jan; Næss, Harald; Nedreaas, Kjell Harald (Toktrapport;2024 - 4, Research report, 2024)I denne rapporten samanfattar vi prøvefisket med trollgarn og åleruser etter torsk som har vorte gjennomført på faste stasjonar langs Vestlandskysten mellom Ryfylke og Florø sidan 2015. Vi legg særleg vekt på å beskriva ... -
Seasonal habitat use and diel vertical migration in female spurdog in Nordic waters
Klöcker, Antonia; Albert, Ole Thomas; Ferter, Keno; Bjelland, Otte; Lennox, Robert; Albretsen, Jon; Pohl, Lotte; Dahlmo, Lotte Svengård; Queiroz, Nuno; Junge, Claudia (Peer reviewed; Journal article, 2024)Background Studying habitat use and vertical movement patterns of individual fish over continuous time and space is innately challenging and has therefore largely remained elusive for a wide range of species. Amongst sharks, ... -
Set fiskefunna dine i Artsdatabanken : Report fish findings to The Norwegian Biodiversity Information Centre
Bjelland, Otte; Nedreaas, Kjell Harald; Hauge, Marie (Havforskningsnytt;Nr. 8 - 2010, Working paper, 2010)Scientists study the current status of the most important fish populations in Norwegian waters annually. Population estimates are based on the results of our own field studies, research and fisheries. Observations by the ... -
Toktrapport [11/7 - 31/7, 2005]
Bjelland, Otte; Salthaug, Are; Smedstad, Odd M. ([Toktrapport/Havforskningsinstituttet];Nr. 22 - 2005, Working paper, 2005) -
Transboundary movements of porbeagle sharks support need for continued cooperative research and management approaches
Bortoluzzi, Jenny R.; McNicholas, Grace E.; Jackson, Andrew L.; Klöcker, Antonia; Ferter, Keno; Junge, Claudia; Bjelland, Otte; Barnett, Adam; Gallagher, Austin J.; Hammerschlag, Neil; Roche, William K.; Payne, Nicholas L. (Peer reviewed; Journal article, 2024)Distribution of species across jurisdictional and physical boundaries poses a challenge to management and research, and these transboundary species tend to suffer more-severe population declines from fisheries exploitation. ... -
Trophic ecology of deepwater fishes associated with the continental slope of the eastern Norwegian Sea
Bergstad, Odd Aksel; Bjelland, Otte (ICES CM Documents;1998/O:51, Working paper, 1998)In June 1995 and 1996 demersal fishes on the continental slope of the eastem Norwegian Sea were sampled to study distribution patterns and community structure. The diets of the more abundant slope species were characterised ...