• 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)
    • 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)
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ressurser og miljø 2009 

      Gjøsæter, Harald; Dommasnes, Are; Falkenhaug, Tone; Hauge, Marie; Johannesen, Edda; Olsen, Erik; Skagseth, Øystein (Fisken og havet, særnummer, Research report, 2009-04)
    • Havets ressurser og miljø 2009 

      Gjøsæter, Harald; Dommasnes, Are; Falkenhaug, Tone; Hauge, Marie; Johannesen, Edda; Olsen, Erik; Skagseth, Øystein (Fisken og havet, særnummer, Research report, 2009-04)
    • Invasive ctenophore Mnemiopsis leidyi in Norway 

      Hosia, Aino; Falkenhaug, Tone (Journal article; Peer reviewed, 2015-03-18)
      We present data on the occurrence of the invasive ctenophore Mnemiopsis leidyi in Norway after the initial observations made in 2005. Our data comes from several net sampling investigations conducted along the Norwegian ...
    • Length structure of deep-pelagic fishes sheds new light to their life histories 

      Heino, Mikko; Boukal, David S.; Falkenhaug, Tone; Piatkowski, Uwe; Porteiro, Filipe M.; Sutton, Tracey T. (ICES CM documents;2008/C:14, Working paper, 2008)
      Here we use a new technique to study life history variation in deep-pelagic fishes from a midocean ridge system. Shape of length distribution in a population is to a significant extent determined by the degree to which ...
    • 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 ...