Blar i Brage IMR på forfatter "Falkenhaug, Tone"
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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 ... -
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 ... -
Metodikk for kartlegging og overvåkning av fremmede marine arter i Norge - Forslag til nasjonalt program
Husa, Vivian; Agnalt, Ann-Lisbeth; Falkenhaug, Tone; Forsgren, Elisabet; Fossøy, Frode; Grefsrud, Ellen Sofie; Hanssen, Frank Ole; Jelmert, Anders; Mortensen, Stein (Rapport fra havforskningen;2022 - 10, Research report, 2022-04-28)Norge har i dag overvåkning av enkelte fremmede marine arter og en sporadisk generell kartlegging av forekomsten av slike arter langs deler av kysten. Det er derfor behov for en systematisk plan for kartlegging og overvåkning ... -
Mock samples resolve biases in diversity estimates and quantitative interpretation of zooplankton metabarcoding data
Ershova, Elizaveta; Wangensteen, Owen S.; Falkenhaug, Tone (Peer reviewed; Journal article, 2023)Metabarcoding is a rapidly developing tool in marine zooplankton ecology, although most zooplankton surveys continue to rely on visual identification for monitoring purposes. We attempted to resolve some of the biases ... -
Monitoring marine alien species in Norway - A pilot study for implementing a national program
Husa, Vivian; Fossøy, Frode; Davey, Marie; Agnalt, Ann-Lisbeth; Brandsegg, Hege; Bruntveit, Leif; Eilertsen, Mette; Falkenhaug, Tone; Forsgren, Elisabet; Grefsrud, Ellen Sofie; Haugland, Barbro Taraldset; Olsen, Siri Aaserud; Olssøn, Ragni; Svensen, Rudolf; Svensen, Øyvind (Rapport fra havforskningen;2024 - 1, Research report, 2024)In this pilot study we tested the efficiency of different methods to detect alien marine species in three different ports in Rogaland County. The methods used followed by far the recommendations in the HELCOM protocol, ... -
North Sea Ecosystem Cruise Report_JH2022206
Franzè, Gayantonia; Falkenhaug, Tone; Albretsen, Jon; Ershova, Elizaveta; Gundersen, Kjell; Heldal, Hilde Elise; Lerch, Sarah (Toktrapport;2023 - 2, Research report, 2023)The North Sea Ecosystem cruise (NSEC) is a multi-purpose survey established to monitor distribution and interactions of several components that constitute the lower trophic levels of the pelagic food web including ... -
Ocean current connectivity propelling the secondary spread of a marine invasive comb jelly across western Eurasia
Jaspers, Cornelia; Huwer, Bastian; Antajan, Elvire; Hosia, Aino; Hinrichsen, Hans-Harald; Biastoch, Arne; Angel, Dror; Asmus, Ragnhild; Augustin, Christina; Bagheri, Siamak; Beggs, Steven E.; Balsby, Thorsten J.S.; Boersma, Maarten; Bonnet, Delphine; Christensen, Jens T.; Dänhardt, Andreas; Delpy, Floriane; Falkenhaug, Tone; Finenko, Galina; Fleming, Nicholas E.C.; Fuentes, Veronica; Galil, Bella S.; Gittenberger, Arjan; Griffin, Donal C.; Haslob, Holger; Javidpour, Jamileh; Kamburska, Lyudmila; Kube, Sandra; Langenberg, Victor; Lehtiniemi, Maiju; Lombard, Fabien; Malzahn, Arne; Marambio, Macarena; Mihneva, Veselina; Møller, Lene Friis; Niermann, Ulrich; Okyar, Melek Isinibilir; Ôzdemir, Zekiye Birinci; Pitois, Sophie; Reusch, Thorsten B.H.; Robbens, Johan; Stefanova, Kremena; Thibault, Delphine; van der Veer, Henk W.; Vansteenbrugge, Lies; van Walraven, Lodewijk; Woźniczka, Adam (Journal article; Peer reviewed, 2018)Invasive species are of increasing global concern. Nevertheless, the mechanisms driving further distribution after the initial establishment of non‐native species remain largely unresolved, especially in marine systems. ... -
Overwintering distribution, inflow patterns and sustainability of Calanus finmarchicus in the North Sea
Gao, Shuang; Hjøllo, Solfrid Sætre; Falkenhaug, Tone; Strand, Espen; Edwards, Martin; Skogen, Morten D. (Peer reviewed; Journal article, 2021)Calanoid copepods are key taxa in the North Sea as they are the main food source for many fish stocks, such as herring, mackerel and cod. In this study we use an individual-based model for Calanus finmarchicus embedded in ... -
Panel-based Assessment of Ecosystem Condition of the North Sea Shelf Ecosystem
Arneberg, Per; Husson, Berengere; Siwertsson, Anna; Albretsen, Jon; Børsheim, Knut Yngve; Denechaud, Côme; Durant, Joël; Falkenhaug, Tone; Fauchald, Per; Opdal, Anders Martin Frugård; Jentoft, Sissel; Johannessen, Tore; Johnsen, Espen; Jones, Elizabeth Marie; Kvamme, Cecilie; Ljungström, Anna Jeja Gabriella; Buhl-Mortensen, Pål; Reecht, Yves; Solvang, Hiroko Kato; Skogen, Morten D.; Slotte, Aril; Strand, Espen; Søvik, Guldborg; van der Meeren, Gro Ingleid (Rapport fra havforskningen;2023 - 17, Research report, 2023)The System for Assessment of Ecological Condition, coordinated by the Norwegian Environment Agency, is intended to form the foundation for evidence-based assessments of the ecological condition of Norwegian terrestrial and ... -
Panel-based Assessment of Ecosystem Condition of the North Sea Shelf Ecosystem - Appendices
Arneberg, Per; Husson, Berengere; Siwertsson, Anna; Albretsen, Jon; Børsheim, Knut Yngve; Denechaud, Côme; Durant, Joël; Falkenhaug, Tone; Fauchald, Per; Opdal, Anders Martin Frugård; Jentoft, Sissel; Johannessen, Tore; Johnsen, Espen; Jones, Elizabeth Marie; Kvamme, Cecilie; Ljungström, Anna Jeja Gabriella; Buhl-Mortensen, Pål; Reecht, Yves; Solvang, Hiroko Kato; Skogen, Morten D.; Slotte, Aril; Strand, Espen; Søvik, Guldborg; van der Meeren, Gro Ingleid (Rapport fra havforskningen;2023 - 18, Research report, 2023) -
Phenology and Environmental Control of Phytoplankton Blooms in the Kong Håkon VII Hav in the Southern Ocean
Kauko, Hanna Maria; Hattermann, Tore; Ryan-Keogh, Thomas J.; Singh, Asmita; de Steur, Laura; Fransson, Agneta; Chierici, Melissa; Falkenhaug, Tone; Hallfredsson, Elvar H.; Bratbak, Gunnar; Tsagaraki, Tatiana Margo; Berge, Terje; Zhou, Qin; Moreau, Sebastien (Peer reviewed; Journal article, 2021)Knowing the magnitude and timing of pelagic primary production is important for ecosystem and carbon sequestration studies, in addition to providing basic understanding of phytoplankton functioning. In this study we use ... -
Potensielle effekter av havvindanlegg på havmiljøet
de Jong, Karen; Steen, Henning; Forland, Tonje Nesse; Nyquist, Daniel; Utne-Palm, Anne Christine; Nilssen, Kjell Tormod; Albretsen, Jon; Falkenhaug, Tone; Biuw, Martin; Buhl-Mortensen, Lene; Sivle, Lise Doksæter (Rapport fra havforskningen;2020 - 42, Research report, 2020)I denne rapporten er dagens kunnskap om potensielle effekter av vindkraftanlegg på det marine økosystemet oppsummert, med fokus på oppdatert kunnskap siden forrige rapport fra 2008. Potensielle fysiske endringer er beskrevet ... -
Seamounts in the OSPAR maritime area - from species to ecosystems
Kutti, Tina; Windsland, Kristin; Broms, Cecilie; Falkenhaug, Tone; Biuw, Martin; Thangstad, Trude Hauge; Bergstad, Odd Aksel (Rapport fra havforskningen;2019 - 42, Research report, 2019)This report was prepared by the Institute of Marine Research, Norway, for the Norwegian Environment Agency, as part of Norway´s contribution to OSPAR. The report summarizes the latest knowledge on species and habitats ... -
Size structure, age-size dynamics and life history variation
Heino, Mikko; Boukal, David S.; Falkenhaug, Tone; Piatkowski, Uwe; Porteiro, Filipe M.; Sutton, Tracey T. (ICES CM documents;2008/F:13, Working paper, 2008)Here we present a new technique to study life history variation when only length distributions of populations are known. Shape of length distribution in a population is to a significant extent determined by the degree ... -
Status for miljøet i norske havområder - Rapport fra Overvåkingsgruppen 2023
Albretsen, Jon; Assmann, Karen; Assmy, Philipp; Bohlin-Nizzetto, Pernilla; Børsheim, Knut Yngve; Chierici, Melissa; Christensen, Kai Håkon; Dalpadado, Padmini; Diesing, Markus; Espenes, Lars Christian; Falkenhaug, Tone; Fauchald, Per; Frie, Anne Kirstine Højholt; Gerland, Sebastian; Grøsvik, Bjørn Einar; Gundersen, Hege; Gundersen, Kjell; Hancke, Kasper; Heimstad, Eldbjørg Sofie; Husa, Vivian; Ingvaldsen, Randi Brunvær; Jelmert, Anders; Hensen, Henning; Jensen, Louise Kiel; Jensen, Martin; Johansson, Josefina; Johnsen, Hanne; Jørgensen, Lis Lindal; Kovacs, Kit M.; Leiknes, Øystein; Leonard, Deanna Marie; Lorentsen, Svein-Håkon; Mousing, Erik Askov; Norderhaug, Kjell Magnus; Rosendal, Elisabet; Sanchez-Borque, Jorge; Schøyen, Merete; Skagseth, Øystein; Skjerdal, Hilde Kristin; Skern-Mauritzen, Mette; Skogen, Morten D.; Stene, Kristine O.; Søvik, Guldborg; Thorsnes, Terje; von Quillfeldt, Cecilie (Rapport fra havforskningen;2023 - 24, Research report, 2023)I denne rapporten gir Overvåkingsgruppen, for første gang, en felles vurdering av miljøtilstanden i Barentshavet og havområdene utenfor Lofoten, Norskehavet og Nordsjøen med Skagerrak. Det er også første rapport som bruker ...