Browsing Brage IMR by Author "Knutsen, Tor"
Now showing items 21-40 of 65
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Evidence of diel vertical migration of mesopelagic sound-scattering organisms in the Arctic
Gjøsæter, Harald; Wiebe, Peter H.; Knutsen, Tor; Ingvaldsen, Randi Brunvær (Peer reviewed; Journal article, 2017) -
Experiences in making acoustic measurements in a mesocosm with Calanus finmarchius
Knutsen, Tor; Foote, Kenneth G. (ICES CM Documents;1997/FF:11, Working paper, 1997)In connection with a larger study of the effects of nutrification and turbulence on primary and secondary production, acoustic measurements have been made in the water volume defined by floating, vertically oriented, ... -
Feeding ecology of Benthosema glaciale across the North Atlantic
Knutsen, Tor; Strand, Espen; Klevjer, Thor A.; Salvanes, Anne Gro Vea; Broms, Cecilie; Sunde, Synne Myhre; Aksnes, Dag Lorents; García-Seoane, Eva; Melle, Webjørn Raunsgård (Peer reviewed; Journal article, 2023)The glacier lanternfish Benthosema glaciale is a key myctophid with a wide distribution in the northern Atlantic. It is a species that has a strong vertical migration capacity and have the potential to move between the ... -
Harp seal body condition and trophic interactions with prey in Norwegian high Arctic waters in early autumn
Haug, Tore; Biuw, Martin; Gjøsæter, Harald; Knutsen, Tor; Lindstrøm, Ulf; MacKanzie, Kirsteen M.; Meier, Sonnich; Nilssen, Kjell Tormod (Peer reviewed; Journal article, 2020)In September 2016, a marine ecosystem survey covered all trophic levels from phytoplankton to seals in the Arctic Ocean to the west and north of Svalbard. At the ice edge, 26 harp seals were sampled to assess whether recent ... -
Håndbok for prøvetaking og pre-analyse av plankton
Hassel, Arne; Endresen, Berit; Martinussen, Monica; Knutsen, Tor; Johannessen, Magnus E. (Others, 2013-03)Prosedyrer for prøvetaking og pre-analyse av dyre- og planteplankton på forskningsfartøy og i laboratorium på land -
High Latitude Epipelagic and mesopelagic scattering layers-a reference for future Arctic ecosystem change
Knutsen, Tor; Wiebe, Peter H.; Gjøsæter, Harald; Ingvaldsen, Randi Brunvær; Lien, Gunnar (Peer reviewed; Journal article, 2017) -
Høsting av plankton - utfordringer for forskning og forvaltning
Knutsen, Tor; Melle, Webjørn (Havforskningstema, Working paper, 2006) -
IMR ecosystem activity in the Arctic Ocean. Report from committee
Ingvaldsen, Randi; Chierici, Melissa; Knutsen, Tor; Gjøsæter, Harald; Bogstad, Bjarte; Haug, Tore; Jørgensen, Lis Lindal; Skjoldal, Hein Rune; Huse, Geir; Sunnanå, Knut; Røttingen, Ingolf; Hoel, Alf Håkon (Rapport fra Havforskningen;Nr. 4-2013, Working paper, 2013-01) -
Initial collateral measurements of some properties of Calanus finmarchicus
Dalpadado, Padmini; Foote, Kenneth G.; Knutsen, Tor; Bækkevold, Anna Ersland; Johannessen, Signe E. (ICES CM Documents;1996/L:21, Working paper, 1996)In general, acoustic quantification of zooplankton such as Calanus finmarchicus requires the use of models, among other reasons, to aid in the interpretations of data collected on animals whose scattering properties change ... -
Innspill til høring - Forslag til program for konsekvensutredning for mineralvirksomhet på norsk sokkel
van der Meeren, Terje; Mork, Kjell Arne; Kutti, Tina; Knutsen, Tor; Bagøien, Espen; Frie, Anne Kirstine Højholt; Gjøsæter, Harald; Bienfait, André Marcel; Storesund, Julia Endresen; Dunlop, Katherine Mary; Windsland, Kristin; Hallfredsson, Elvar H.; Helle, Kristin; Höffle, Hannes; Junge, Claudia; Serigstad, Bjørn; Chierici, Melissa (Rapport fra havforskningen;2021 - 23, Research report, 2021)Rapporten er et høringssvar sendt til Olje- og Energidepartementet i forbindelse med et forslag til konsekvensutredningsprogram for mineralvirksomhet på norsk kontinentalsokkel. I høringssvaret påpeker Havforskningsinstituttet ... -
Joint PINRO/IMR report on the state of the Barents Sea ecosystem 2005/ 2006
Stiansen, Jan Erik; Aglen, Asgeir; Bogstad, Bjarte; Budgell, W. Paul; Dalpadado, Padmini; Dolgov, Andrey V.; Dommasnes, Are; Filin, Anatoly; Gjøsæter, Harald; Hauge, Kjellrun Hiis; Høines, Åge S.; Ingvaldsen, Randi; Johannesen, Edda; Jørgensen, Lis Lindal; Karsakov, A.L.; Klungsøyr, Jarle; Knutsen, Tor; Lien, Vidar S.; Loeng, Harald; Mehl, Sigbjørn; Buhl-Mortensen, Pål; Muchina, N.V.; Nesterova, V.N.; Olsen, Erik; Orlova, Emma L.; Ozhigin, Vladimir K.; Pedchenko, Andrey; Stenevik, Erling Kåre; Skogen, Morten D.; Titov, Oleg V.; Tjelmeland, Sigurd; Zabavnikov, V.B.; Ziryanov, S.V.; Zhukova, Nathalia; Øien, Nils; Aanes, Sondre (IMR/PINRO joint report series, Research report, 2006) -
Kunnskap om marine naturressurser i Barentshavet sørøst
Fosså, Jan Helge; Aglen, Asgeir; Børsheim, Yngve; Chierici, Melissa; Eriksen, Elena; Hvingel, Carsten; Johannesen, Edda; Jørgensen, Lis Lindal; Knutsen, Tor; Naustvoll, Lars-Johan; Skern-Mauritzen, Mette; Sundet, Jan H.; Vikebø, Frode (Rapport fra Havforskningen;Nr. 21 - 2012, Working paper, 2012-06)The status of knowledge of the resources in the Southeastern Barents Sea is reported. The area is dominated by Atlantic watermasses flowing eastwards. The planktonic production is high and secure good feeding conditions ... -
Mapping of marine data
Westgård, Trond; Knutsen, Tor (ICES CM Documents;1988/C:39, Working paper, 1988)In the last 7-8 years the Institute of Marine Research has developed and exchanged computer routines with other research institutes, building up effcient tools for computer presentation of marine data. The routines are ... -
Marine indikatorer
van der Meeren, Gro; Øigård, Tor Arne; Øien, Nils; Nilssen, Kjell Tormod; Oug, Eivind; Sunnanå, Knut; Jakobsen, Tore; Mehl, Sigbjørn; Kvamme, Cecilie; Torstensen, Else; Stenevik, Erling Kåre; Planque, Benjamin; Helle, Gunnar; Gjøsæter, Jakob; Skiftesvik, Anne Berit; Aglen, Asgeir; Johannessen, Tore; Dommasnes, Are; Naustvoll, Lars-Johan; Moy, Frithjof E.; Falkenhaug, Tone; Melle, Webjørn; Knutsen, Tor; Eriksen, Elena; Jørgensen, Lis Lindal; Fosså, Jan Helge; Bannister, Raymond; Buhl-Mortensen, Lene; Buhl-Mortensen, Pål; Strand, Øivind; Søvik, Guldborg; Jelmert, Anders; Knutsen, Jan Atle; Enersen, Svein Erik; Edvardsen, Hanne; Kroglund, Tone; Pedersen, Atle; Eikrem, Wenche; Bekkby, Trine; Tveite, Stein (DN-utredning;4-2010, Chapter, 2010-09)The Nature Index (NI) is established to get an overview of the state and development of biodiversity within the major ecosystems of Norway. It includes marine, limnic and terrestrial ecosystems. The aim of the index is to ... -
Marine indikatorer
van der Meeren, Gro; Øigård, Tor Arne; Øien, Nils; Nilssen, Kjell Tormod; Oug, Eivind; Sunnanå, Knut; Jakobsen, Tore; Mehl, Sigbjørn; Kvamme, Cecilie; Torstensen, Else; Stenevik, Erling Kåre; Planque, Benjamin; Helle, Gunnar; Gjøsæter, Jakob; Skiftesvik, Anne Berit; Aglen, Asgeir; Johannessen, Tore; Dommasnes, Are; Naustvoll, Lars-Johan; Moy, Frithjof E.; Falkenhaug, Tone; Melle, Webjørn; Knutsen, Tor; Eriksen, Elena; Jørgensen, Lis Lindal; Fosså, Jan Helge; Bannister, Raymond; Buhl-Mortensen, Lene; Buhl-Mortensen, Pål; Strand, Øivind; Søvik, Guldborg; Jelmert, Anders; Knutsen, Jan Atle; Enersen, Svein Erik; Edvardsen, Hanne; Kroglund, Tone; Pedersen, Atle; Eikrem, Wenche; Bekkby, Trine; Tveite, Stein (DN-utredning;4-2010, Chapter, 2010-09)The Nature Index (NI) is established to get an overview of the state and development of biodiversity within the major ecosystems of Norway. It includes marine, limnic and terrestrial ecosystems. The aim of the index is to ... -
Maturation, spawning and egg drift of Arcto-Norwegian haddock (Melanogrammus aeglefinus)
Solemdal, Per; Knutsen, Tor; Bjørke, Herman; Fossum, Petter; Mukhina, N. (Conference object, 1997) -
Micronekton biomass distribution, improved estimates across four north Atlantic basins
Klevjer, Thor A.; Melle, Webjørn Raunsgård; Knutsen, Tor; Strand, Espen; Korneliussen, Rolf; Dupont, Nicolas; Salvanes, Anne Gro Vea; Wiebe, Peter H. (Peer reviewed; Journal article, 2019)Distribution of micronekton was investigated during early summer of 2013, using data from a cruise covering the central parts of four north Atlantic basins, the Norwegian Sea (NS), Iceland Sea (ICS), Irminger Sea (IRS), ... -
Modeling the target strength of Calanus finmarchicus
Francis, David T. I.; Foote, Kenneth G.; Knutsen, Tor; Calise, Lucio (Others, 1999) -
Modeling the target strength of Meganyctiphanes norvegica
Francis, David T. I.; Knutsen, Tor; Foote, Kenneth G.; Calise, Lucio (Others, 1999) -
Multibrukssystem for tauete farkoster og droppsonde - forprosjekt: evaluering av operasjoner, teknologi og systemer med utgangspunkt i måle- og observasjonsbehov
Dalen, John; Knudsen, Hans Petter; Knutsen, Tor; Vedeler, Terje; Melle, Webjørn (Fisken og havet, Research report, 2001)I hovedprosjektet skal det utvikles et integrert system av to tauete farkoster og en droppsonde med sine målesystemer, sensorer og kommunikasjonsgrensesnitt for dataoverføring som i stor grad bruker felles teknologi for ...