Blar i Brage IMR på forfatter "Falkenhaug, Tone"

Viser treff 1-20 av 47

    • Abundance and productivity of the pelagic ecosystem along a transect across the northern Mid Atlantic Ridge in June 2003 

      Gudfinnson, Hafsteinn G.; Debes, Høgni; Falkenhaug, Tone; Gaard, Eilif; Gislason, Ástthor; Petursdottir, Hildur; Sigurdsson, Thorsteinn; Stupnikova, Alexandra; Valdimarsson, Hedinn (ICES CM documents;2008/C:12, Working paper, 2008)
      A research cruise was conducted into the Irminger Sea west and southwest of Iceland on the Icelandic vessel Árni Friðriksson, from 4-30 June 2003, investigating redfish, Sebastes mentella, other pelagic fishes, zooplankton, ...

    • Abundance estimation of sandeel, plankton survailance and radioactivity measurements in the North Sea in April - May 2007 

      Brungot, Anne Lene; Falkenhaug, Tone; Johannessen, Tore ([Toktrapport/Havforskningsinstituttet];Nr. 3 - 2008, Working paper, 2007)

    • Abundance, distribution and diversity of gelatinous predators along the northern Mid-Atlantic Ridge: A comparison of different sampling methodologies 

      Hosia, Aino; Falkenhaug, Tone; Baxter, Emily J.; Pages, Fransesc (Peer reviewed; Journal article, 2017)

    • Alien marine species in Norway - Mapping, monitoring and assessment of vectors for introductions 

      Husa, Vivian; Agnalt, Ann-Lisbeth; Berntsen, Johan Henrik Hårdensson; Falkenhaug, Tone; Fossøy, Frode; Forsgren, Elisabet; Grefsrud, Ellen Sofie; Hjelset, Ann Merete; Hanssen, Frank Ole; Husby, Even; Jelmert, Anders; Mortensen, Stein; Olsen, Siri Aaserud; Sandvik, Hanno (Rapport fra havforskningen;2022 - 8, Research report, 2022-04-28)
      Norway has the second longest coastline in the world, and it is challenging to monitor non-indigenous marine species (NIMS) along the entire shore including the Norwegian areas in the Barents Sea and along Svalbard. There ...

    • Alien plants, animals, fungi and algae in Norway: an inventory of neobiota 

      Sandvik, Hanno; Dolmen, Dag; Elven, Reidar; Falkenhaug, Tone; Forsgren, Elisabet; Hansen, Haakon; Hassel, Kristian; Husa, Vivian; Kjærstad, Gaute; Ødegaard, Frode; Pedersen, Hans Christian; Solheim, Halvor; Stokke, Bård Gunnar; Åsen, Per Arvid; Åström, Sandra Charlotte Helene; Brandrud, Tor Erik; Elven, Hallvard; Endrestøl, Anders; Finstad, Anders Gravbrøt; Fredriksen, Stein; Gammelmo, Øivind; Gjershaug, Jan Ove; Gulliksen, Bjørn; Hamnes, Inger Sofie; Hatteland, Bjørn Arild; Hegre, Hanne; Hesthagen, Trygve H.; Jelmert, Anders; Jensen, Thomas Correll; Johnsen, Stein Ivar; Karlsbakk, Egil; Magnusson, Christer; Nedreaas, Kjell Harald; Nordén, Björn; Oug, Eivind; Pedersen, Oddvar; Pedersen, Per Anker; Sjøtun, Kjersti; Skei, Jon Kristian; Solstad, Heidi; Sundheim, Leif; Swenson, Jon; Syvertsen, Per Ole; Talgø, Venche; Vandvik, Vigdis; Westergaard, Kristine Bakke; Wienerroither, Rupert; Ytrehus, Bjørnar; Hilmo, Olga; Henriksen, Snorre; Gederaas, Lisbeth (Journal article; Peer reviewed, 2019)
      We present the results of an inventory and status assessment of alien species in Norway. The inventory covered all known multicellular neobiota, 2496 in total, 1039 of which were classified as naturalised. The latter ...

    • Alien species in Norway: results from quantitative ecological impact assessments 

      Sandvik, Hanno; Hilmo, Olga; Henriksen, Snorre; Elven, Reidar; Åsen, Per Arvid; Hegre, Hanne; Pedersen, Oddvar; Pedersen, Per Anker; Solstad, Heidi; Vandvik, Vigdis; Westergaard, Kristine Bakke; Ødegaard, Frode; Åström, Sandra Charlotte Helene; Elven, Hallvard; Endrestøl, Anders; Gammelmo, Øivind; Hatteland, Bjørn Arild; Solheim, Halvor; Nordén, Björn; Sundheim, Leif; Talgø, Venche; Falkenhaug, Tone; Gulliksen, Bjørn; Jelmert, Anders; Oug, Eivind; Sundet, Jan Henry; Forsgren, Elisabet; Finstad, Anders Gravbrøt; Hesthagen, Trygve H.; Nedreaas, Kjell Harald; Wienerroither, Rupert; Husa, Vivian; Fredriksen, Stein; Sjøtun, Kjersti; Steen, Henning; Hansen, Haakon; Hamnes, Inger Sofie; Karlsbakk, Egil; Magnusson, Christer; Ytrehus, Bjørnar; Pedersen, Hans Christian; Swenson, Jon; Syvertsen, Per Ole; Stokke, Bård Gunnar; Gjershaug, Jan Ove; Dolmen, Dag; Kjærstad, Gaute; Johnsen, Stein Ivar; Jensen, Thomas Correll; Hassel, Kristian; Gederaas, Lisbeth (Journal article, 2020)
      1. Due to globalisation, trade and transport, the spread of alien species is increasing dramatically. Some alien species become ecologically harmful by threatening native biota. This can lead to irreversible changes in ...

    • Alien species in Norway: results from quantitative ecological impact assessments 

      Sandvik, Hanno; Hilmo, Olga; Henriksen, Snorre; Elven, Reidar; Åsen, Per Arvid; Hegre, Hanne; Pedersen, Oddvar; Pedersen, Per Anker; Solstad, Heidi; Vandvik, Vigdis; Westergaard, Kristine Bakke; Ødegaard, Frode; Åström, Sandra Charlotte Helene; Elven, Hallvard; Endrestøl, Anders; Gammelmo, Øivind; Hatteland, Bjørn Arild; Solheim, Halvor; Nordén, Björn; Sundheim, Leif; Talgø, Venche; Falkenhaug, Tone; Gulliksen, Bjørn; Jelmert, Anders; Oug, Eivind; Sundet, Jan Henry; Forsgren, Elisabet; Finstad, Anders Gravbrøt; Hesthagen, Trygve H.; Nedreaas, Kjell Harald; Wienerroither, Rupert; Husa, Vivian; Fredriksen, Stein; Sjøtun, Kjersti; Steen, Henning; Hansen, Haakon; Hamnes, Inger Sofie; Karlsbakk, Egil; Magnusson, Christer; Ytrehus, Bjørnar; Pedersen, Hans Christian; Swenson, Jon; Syvertsen, Per Ole; Stokke, Bård Gunnar; Gjershaug, Jan Ove; Dolmen, Dag; Kjærstad, Gaute; Johnsen, Stein Ivar; Jensen, Thomas Correll; Hassel, Kristian; Gederaas, Lisbeth (Peer reviewed; Journal article, 2020)
      1. Due to globalisation, trade and transport, the spread of alien species is increasing dramatically. Some alien species become ecologically harmful by threatening native biota. This can lead to irreversible changes in ...

    • Biogeography of key mesozooplankton species in the North Atlantic and egg production of Calanus finmarchicus 

      Melle, Webjørn Raunsgård; Runge, Jeffrey A.; Head, Erica J.H.; Plourde, Stéphane; Castellani, Claudia; Licandro, Priscilla; Pierson, James; Jónasdóttir, Sigrún Huld; Johnson, Catherine Lynn; Broms, Cecilie; Debes, Høgni Hammershaib; Falkenhaug, Tone; Gaard, Eilif; Gislason, Astthor; Heath, Michael R.; Niehoff, Barbara; Nielsen, Torkel Gissel; Pepin, Pierre; Stenevik, Erling Kåre; Chust, Guillem (Journal article; Peer reviewed, 2015-08-26)
      Here we present a new, pan-North-Atlantic compilation of data on key mesozooplankton species, including the most important copepod, Calanus finmarchicus. Distributional data of eight representative zooplankton taxa, from ...

    • Catchability of pelagic trawls for sampling deep-living nekton in the mid-North Atlantic 

      Heino, Mikko; Porteiro, Filipe M.; Sutton, Tracey T.; Falkenhaug, Tone; Godø, Olav Rune; Piatkowski, Uwe (Journal article; Peer reviewed, 2010-06-29)
      Material collected in summer 2004 from the Mid-Atlantic Ridge between Iceland and the Azores with three pelagic trawls was used to estimate relative catchabilities of common fish, cephalopod, decapod, and jellyfish species. ...

    • Catchability of pelagic trawls for sampling deep-living nekton in the mid-North Atlantic 

      Heino, Mikko; Porteiro, Filipe M.; Sutton, Tracey T.; Falkenhaug, Tone; Godø, Olav Rune; Piatkowski, Uwe (Journal article; Peer reviewed, 2010-06-29)
      Material collected in summer 2004 from the Mid-Atlantic Ridge between Iceland and the Azores with three pelagic trawls was used to estimate relative catchabilities of common fish, cephalopod, decapod, and jellyfish species. ...

    • Coincident mass occurrence of gelatinous zooplankton in Northern Norway 

      Knutsen, Tor; Hosia, Aino; Falkenhaug, Tone; Skern-Mauritzen, Rasmus; Wiebe, Peter H.; Larsen, Roger B.; Aglen, Asgeir; Berg, Erik (Peer reviewed; Journal article, 2018)
      In autumn 2015, several sources reported observations of large amounts of gelatinous material in a large north Norwegian fjord system, either caught when trawling for other organisms or fouling fishing gear. The responsible ...

    • Diet composition and food selectivity of sprat (Sprattus sprattus) in Hardangerfjord, Norway 

      Falkenhaug, Tone; Dalpadado, Padmini (Journal article; Peer reviewed, 2013-10-15)
      The diet composition and prey selection of sprat (Sprattus sprattus) was studied in the Hardangerfjord, western Norway during four cruises in spring and autumn of 2009 and 2010. Feeding activity, indicated by stomach ...

    • Diversity, habitat endemicity and trophic ecology of the fauna of Loki’s Castle vent field on the Arctic Mid-Ocean Ridge 

      Eilertsen, Mari Heggernes; Kongsrud, Jon Anders; Tandberg, Anne Helene S.; Alvestad, Tom; Budaeva, Nataliya; Martell, Luis; Ramalho, Sofia P.; Falkenhaug, Tone; Huys, Rony; Oug, Eivind; Bakken, Torkild; Høisæter, Tore; Rauch, Cessa; Carvalho, Francisca Maria Correia de; Savchenko, Alexandra; Ulvatn, Tone; Kongshavn, Katrine; Berntsen, Cassandra Mari; Olsen, Bernt Rydland; Pedersen, Rolf B. (Peer reviewed; Journal article, 2024)
      Loki’s Castle Vent Field (LCVF, 2300 m) was discovered in 2008 and represents the first black-smoker vent field discovered on the Arctic Mid-Ocean Ridge (AMOR). However, a comprehensive faunal inventory of the LCVF has not ...

    • Does Presence of a Mid-Ocean Ridge Enhance Biomass and Biodiversity? 

      Bergstad, Odd Aksel; Falkenhaug, Tone; Høines, Åge (Journal article; Peer reviewed, 2013-05-02)
      In contrast to generally sparse biological communities in open-ocean settings, seamounts and ridges are perceived as areas of elevated productivity and biodiversity capable of supporting commercial fisheries. We investigated ...

    • Døde og strandete krepsdyr - Nitti tilfeller rapportert til Havforskningsinstituttet i perioden 2014-2020 

      Søvik, Guldborg; Dalpadado, Padmini; Falkenhaug, Tone; Sævik, Pål Næverlid; Jenssen, Maria; Larsen, Marita; Hannisdal, Rita; Rønning, Jon; Olsen, Siri Aaserud; Samuelsen, Ole Bent; Agnalt, Ann-Lisbeth; Thangstad, Trude Hauge; Danielsen, Hanna Ellerine Helle; Grøsvik, Bjørn Einar; Hatland, Siren; Bruvik, Aina; Tjensvoll, Tore; Couillard, Felicia Dawn; Korneliussen, Patrick-Andre (Rapport fra havforskningen;2021 - 3, Research report, 2021)
      Havforskningsinstituttet begynte med en systematisk registrering av innrapporterte funn av strandet krill i 2014. Antall tilfeller var få fra 2014 til 2017, men økte kraftig i 2018 og har siden holdt seg på dette nivået. ...

    • Ecosystem response to darkening of the coastal zone – food web implications - Pilot Study 

      Franzè, Gayantonia; Naustvoll, Lars Johan; Falkenhaug, Tone (Rapport fra havforskningen;2023 - 7, Research report, 2023)
      The Ecosystem response to darkening of the coastal zone – food web implications project was financed as pilot study within the to acquire preliminary knowledge on how the coastal ¨darkening¨ phenomenon affects plankton ...

    • Epigraph - Økosystemtokt Hardangerfjorden, april 2009 

      Torstensen, Else; Falkenhaug, Tone; Kvamme, Cecilie; Dalpadado, Padmini ([Toktrapport/Havforskningsinstituttet];Nr. 3 - 2009, Working paper, 2009)

    • Epigraph - Økosystemtokt Hardangerfjorden, november 2009 

      Torstensen, Else; Falkenhaug, Tone; Kvamme, Cecilie; Dalpadado, Padmini ([Toktrapport/Havforskningsinstituttet];Nr. 8 - 2010, Working paper, 2010)

    • Extension of the match-mismatch hypothesis to predator-controlled systems 

      Durant, Joël M.; Hjermann, Dag Ø.; Falkenhaug, Tone; Gifford, Dian J.; Naustvoll, Lars-Johan; Sullivan, Barbara K.; Beaugrand, Grégory; Stenseth, Nils Christian (Journal article; Peer reviewed, 2013-01-31)
      Differential change in the phenology of predators and prey is a potentially important climate-mediated mechanism influencing populations. The match-mismatch hypothesis describes the effect of predator-prey population ...

    • Gelatinous zooplankton on the Mid-Atlantic Ridge, Distribution patterns of trawl-collected planktonic cnidarians 

      Falkenhaug, Tone; Hosia, Aino; Pages, F. (ICES CM documents;2008/C:21, Working paper, 2008)
      The Mid-Atlantic Ridge (MAR) between 40˚N (Azores) and 63˚N (Iceland) is the largest topographic feature in the North Atlantic Ocean. However, the fauna and ecological significance of mid-ocean ridges has remained poorly ...