Browsing Brage IMR by Author "Haug, Tore"

Now showing items 61-80 of 89

    • Niches of marine mammals in the European Arctic 

      MacKenzie, Kirsteen M.; Lydersen, Christian; Haug, Tore; Routti, Heli Anna Irmeli; Aars, Jon; Andvik, Clare Margaret; Borgå, Katrine; Fisk, A.T.; Meier, Sonnich; Biuw, Martin; Lowther, Andrew; Lindstrøm, Ulf Ove; Kovacs, Kit M. (Peer reviewed; Journal article, 2022)
      The Arctic is warming rapidly, with concomitant sea ice losses and ecosystem changes. The animals most vulnerable to Arctic food web changes are long-lived and slow-growing such as marine mammals, which may not be able to ...

    • Nutrient concentrations in minke whale faeces and the potential impact on dissolved nutrient pools off Svalbard, Norway 

      Freitas, Carla; Gundersen, Kjell; Lindblom, Lotta; Biuw, Martin; Haug, Tore (Peer reviewed; Journal article, 2023)
      There is increasing interest in assessing the impact of whales on nutrient and carbon cycling in the ocean. By fertilising surface waters with nutrient-rich faeces, whales may stimulate primary production and thus carbon ...

    • Population genetic studies in Northeastern Atlantic minke whales 

      Berube, M.; Skaug, Hans Julius; Andersen, Liselotte W.; Haug, Tore; Øien, Nils (ICES CM documents;2007/L:21, Working paper, 2007)
      Minke whales are the most abundance species of baleen whales in the North Atlantic. As part of current management of minke whales in Norwegian and adjacent waters, a DNA-register have been established. The register ensures ...

    • Preliminary data on feeding and condition of Barents Sea harp seals (Phoca Groenlandica) throughout the year 

      Nilssen, Kjell Tormod; Haug, Tore; Potelov, Vladimir; Timoshenko, Yuri (ICES CM Documents;1992/N:5, Working paper, 1992)
      In order to evaluate the ecological role of the most abundant seal species in the Barents Sea, the harp seal Phoca groenlandica, field studies have been carried out in September 1990, in February, March/April, June and ...

    • Prey consumtion by Barents sea harp seals in the period 1990-2005 

      Lindstrøm, Ulf; Nilssen, Kjell Tormod; Haug, Tore (ICES CM documents, Working paper, 2006)
      The Barents Sea ecosystem has experienced major fluctuations in species abundance in the past 20-30 years. The mechanisms behind these fluctuations are complex and arise from numerous interactions between species and the ...

    • Prospects for future sealing in the North Atlantic : proceedings of the 13th Norwegian-Russian Symposium, Tromsø, 25-26 August 2008 

      Pike, Daniel; Hansen, Tom; Haug, Tore (IMR/PINRO joint report series, Conference object, 2008-11)

    • Prospects for future sealing in the North Atlantic : proceedings of the 13th Norwegian-Russian Symposium, Tromsø, 25-26 August 2008 

      Pike, Daniel; Hansen, Tom; Haug, Tore (IMR/PINRO joint report series, Conference object, 2008-11)

    • Recent age compositions and aberrant migration patterns of the Barents Sea stock of harp seals Phoca groenlandica 

      Nilssen, Kjell Tormod; Haug, Tore; Øritsland, Torger; Lindblom, Lotta; Kjellqwist, Sten Anders (ICES CM Documents;1996/N:4, Working paper, 1996)
      Since 1978, and in particular in 1986-1988, large numbers of harp seals Phoca groenlandica have invaded coastal waters of North Norway during winter and spring. After 1988 the harp seal invasions have been restricted to ...

    • Recent Harp and Hooded Seal Pup Production Estimates in the Greenland Sea Suggest Ecology-Driven Declines 

      Biuw, Martin; Øigård, Tor Arne; Nilssen, Kjell Tormod; Stenson, Garry; Lindblom, Lotta; Poltermann, Michael Tino; Kristiansen, Martin; Haug, Tore (Peer reviewed; Journal article, 2022)
      Pup production of the Greenland Sea populations of harp (Pagophilus groenlandicus) and hooded (Cystophora cristata) seals were estimated based upon aerial surveys in March 2018. One fixed-wing aircraft was used for large-area ...

    • Recent studies of the distribution and abundance of grey seals (Halichoerus grypus) in north Norway, and their possible influence on parasitic infestations in fish 

      Haug, Tore; Henriksen, Gunnar; Nilssen, Kjell Tormod; Ørjebu, Alfred (ICES CM Documents;1991/N:2, Working paper, 1991)
      Distributions of grey seals Halichoerus grypus were studied during aerial and ground surveys in North Norway. Surveys were conducted from Lofoten to the Soviet border during the moult (March-April, Finnmark) and breeding ...

    • Report from surveys to assess harp and hooded seal pup production in the Greenland Sea pack-ice in 2012 

      Haug, Tore; Nilssen, Kjell Tormod; Øigård, Tor Arne (Toktrapport/Havforskningsinstituttet;Nr. 1 - 2012, Working paper, 2012)

    • Report From Surveys To Assess Harp And Hooded Seal Pup Production In The Greenland Sea Pack-Ice In 2022 

      Biuw, Martin; Nilssen, Kjell Tormod; Kristiansen, Martin; Lindblom, Lotta; Poltermann, Michael Tino; Haug, Tore; Johansson, Malin (Toktrapport;2022 - 7, Research report, 2022)
      Cruise no.: 2022703 : The 2022 survey of harp and hooded seal pup production in the Greenland Sea was carried out to obtain updated estimates to be used to assess current status of these two seal stocks. Since a similar ...

    • Report from surveys to assess hooded and harp seal pup production in the greenland sea pack-ice in March - April 2007 

      Haug, Tore; Nilssen, Kjell Tormod; Øigård, Tor Arne ([Toktrapport/Havforskningsinstituttet];Nr. 9 - 2007, Working paper, 2007)

    • Seals in the Barents Sea 

      Haug, Tore; Svetochev, Vladislav (IMR/PINRO Joint Report Series, Conference object, 2004)

    • Seals in the Barents Sea 

      Haug, Tore; Svetochev, Vladislav (IMR/PINRO Joint Report Series, Conference object, 2004)

    • Seals in the Barents Sea [presentation] 

      Haug, Tore; Svetochev, Vladislav (IMR/PINRO Joint Report Series;1/2004, Conference object, 2004)

    • Seals in the Barents Sea [presentation] 

      Haug, Tore; Svetochev, Vladislav (IMR/PINRO Joint Report Series;1/2004, Conference object, 2004)

    • Status for havertbestandens ungeproduksjon langs norskekysten i 2001-2003 

      Nilssen, Kjell Tormod; Corkeron, Peter; Haug, Tore; Skavberg, Nils Erik; Jenssen, Bjørn Munro; Henriksen, Gunnar (Fisken og havet, Research report, 2004)
      During September-October 2001-2003, registrations of grey seal (Halichoerus grypus) pups, including tagging, counting and staging of pups, were conducted along the Norwegian coast from Rogaland county in the south to ...

    • Still Arctic? — The changing Barents Sea 

      Gerland, Sebastian; Ingvaldsen, Randi Brunvær; Reigstad, Marit; Sundfjord, Arild; Bogstad, Bjarte; Chierici, Melissa; Hop, Haakon; Renaud, Paul Eric; Smedsrud, Lars Henrik; Stige, Leif Christian; Årthun, Marius; Berge, Jørgen; Bluhm, Bodil Annikki Ulla Barbro; Borgå, Katrine; Bratbak, Gunnar; Divine, Dmitry V; Eldevik, Tor; Eriksen, Elena; Fer, Ilker; Fransson, Agneta; Gradinger, Rolf Rudolf; Granskog, Mats A.; Haug, Tore; Husum, Katrine; Johnsen, Geir; Jonassen, Marius Opsanger; Jørgensen, Lis Lindal; Kristiansen, Svein; Larsen, Aud; Lien, Vidar Surén; Lind, Sigrid; Lindstrøm, Ulf Ove; Mauritzen, Cecilie; Melsom, Arne; Mernild, Jacob Sebastian Haugaard; Müller, Malte; Nilsen, Frank; Primicerio, Raul; Søreide, Janne; van der Meeren, Gro Ingleid; Wassmann, Paul (Peer reviewed; Journal article, 2023)
      The Barents Sea is one of the Polar regions where current climate and ecosystem change is most pronounced. Here we review the current state of knowledge of the physical, chemical and biological systems in the Barents Sea. ...

    • Still Arctic? — The changing Barents Sea 

      Gerland, Sebastian; Ingvaldsen, Randi Brunvær; Reigstad, Marit; Sundfjord, Arild; Bogstad, Bjarte; Chierici, Melissa; Hop, Haakon; Renaud, Paul Eric; Smedsrud, Lars Henrik; Stige, Leif Christian; Årthun, Marius; Berge, Jørgen; Bluhm, Bodil Annikki Ulla Barbro; Borgå, Katrine; Bratbak, Gunnar; Divine, Dmitry V; Eldevik, Tor; Eriksen, Elena; Fer, Ilker; Fransson, Agneta; Gradinger, Rolf Rudolf; Granskog, Mats A.; Haug, Tore; Husum, Katrine; Johnsen, Geir; Jonassen, Marius Opsanger; Jørgensen, Lis Lindal; Kristiansen, Svein; Larsen, Aud; Lien, Vidar Surén; Lind, Sigrid; Lindstrøm, Ulf Ove; Mauritzen, Cecilie; Melsom, Arne; Mernild, Sebastian H.; Müller, Malte; Nilsen, Frank; Primicerio, Raul; Søreide, Janne; van der Meeren, Gro Ingleid; Wassmann, Paul (Peer reviewed; Journal article, 2023)
      The Barents Sea is one of the Polar regions where current climate and ecosystem change is most pronounced. Here we review the current state of knowledge of the physical, chemical and biological systems in the Barents Sea. ...