Blar i Norsk institutt for naturforskning på tittel

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    • First circumpolar assessment of Arctic freshwater phytoplankton and zooplankton diversity: Spatial patterns and environmental factors 

      Schartau, Ann Kristin; Mariash, Heather L.; Christoffersen, Kirsten Seestern; Bogan, Daniel; Dubovskaya, Olga P.; Fefilova, Elena B.; Hayden, Brian; Ingvason, Haraldur R.; Ivanova, Elena A.; Kononova, Olga N.; Kravchuk, Elena S.; Lento, Jennifer; Majaneva, Markus; Novichkova, Anna A.; Rautio, Milla; Rühland, Kathleen M.; Shaftel, Rebecca; Smol, John P.; Vrede, Tobias; Kahilainen, Kimmo K. (Peer reviewed; Journal article, 2021)
      1. Arctic freshwaters are facing multiple environmental pressures, including rapid climate change and increasing land-use activities. Freshwater plankton assemblages are expected to reflect the effects of these stressors ...

    • First detection of highly pathogenic avian influenza virus in Norway 

      Madslien, Knut Ivar Engesæter; Moldal, Torfinn; Gjerset, Britt; Gudmundsson, Sveinn H; Follestad, Arne; Whittard, Elliot; Tronerud, Ole-Herman; Dean, Katharine Rose; Åkerstedt, Johan; Jørgensen, Hannah Joan; das Neves, Carlos Gonçalo; Rømo, Grim (Peer reviewed; Journal article, 2021)
      Background: Several outbreaks of highly pathogenic avian influenza (HPAI) caused by influenza A virus of subtype H5N8 have been reported in wild birds and poultry in Europe during autumn 2020. Norway is one of the few ...

    • First observation of fouling of externally attached radio transmitters in an African river 

      Jacobs, Francois Jakob; Weyl, Olaf Lawrence Friedrich; Ulvan, Eva Marita; Hay, Clinton; Næsje, Tor (Others, 2020)
      Fouling of externally attached tags is an important consideration in long-term tagging studies as it may affect fish behaviour and well-being. Two externally attached radio transmitters on African tigerfish Hydrocynus ...

    • First pre-modern record of the gyrfalcon (Falco rusticolus) in north-east Greenland 

      Moseley, Gina E.; Rosvold, Jørgen; Gotfredsen, Anne Birgitte; Hajdas, Irka; Gilg, Olivier; Gregersen, Kristian M.; Spötl, Christoph; Edwards, Lawrence (Journal article; Peer reviewed, 2019)
      Gyrfalcon (Falco rusticolus) is the largest falcon in the world. It inhabits a wide range of climate zones in the Northern Hemisphere, from boreal forests in the south of its range to the arid polar deserts of the High ...

    • First record of Spalangiopelta Masi, 1922 (Hymenoptera, Pteromalidae, Ceinae) in Norway 

      Staverløkk, Arnstein; Mitroiu, Mircea-Dan (Peer reviewed; Journal article, 2020)
      Pteromalidae is a relatively poor known group, and there are many species yet to discover. We here report two new species to Norway, Spalangiopelta alata Bouček, 1953 and Spalangiopelta procera Graham, 1966 (Hymenoptera, ...

    • The first records of Solva marginata (Meigen, 1820) and the fly family Xylomyidae (Diptera) in Norway 

      Ødegaard, Frode; Staverløkk, Arnstein (Peer reviewed; Journal article, 2022)
      The fly family Xylomyidae belongs to the lower Brachycera and the infraorder Stratiomyiomorpha, and these flies are closely related to Stratiomyidae. It is a small family with 134 known species worldwide (Courtney et al. ...

    • Fish biodiversity in different types of tributary mouths located within impounded sections of Swedish boreal rivers 

      Näslund, Joacim; Bowes, Rachel; Sandin, Leonard; Bergman, Eva; Greenberg, Larry (Peer reviewed; Journal article, 2022)
      Large boreal rivers in Sweden are generally impounded by hydropower dams and a large proportion of main stem shallow flowing habitats have been lost. Tributaries often contain the last undisturbed habitats and could be ...

    • Fish populations, gill net catches and gill net selectivity in the Kunene River, Namibia 

      Hay, Clinton J.; Næsje, Tor; Thorstad, Eva Bonsak (NINA Rapport;325, Research report, 2008)
      Hay, C.J., Næsje, T.F. & Thorstad, E.B. 2008. Fish populations, gill net catches and gill net selectivity in the Kunene River, Namibia. - NINA Report 325. 98 pp. The Kunene River The Kunene River originates near Huambo ...

    • Fish populations, gill net catches and gill net selectivity in the Lower Orange River, Namibia, from 1995 to 2001 

      Næsje, Tor; Hay, Clinton J.; Nickanor, Nande; Koekemoer, Johan; Strand, Rita; Thorstad, Eva Bonsak (NINA Rapport;231, Research report, 2007)
      Næsje, T. F., Hay, C. J., Nickanor, N., Koekemoer, J., Strand, R. and Thorstad, E. B. 2007. Fish populations, gill net catches and gill net selectivity in the Lower Orange River, Namibia, from 1995 to 2001. - NINA Report ...

    • Fish populations, gill net catches and gill net selectivity in the Zambezi and Chobe Rivers, Namibia, from 1997 to 2000 

      Hay, Clinton J.; Næsje, Tor F.; Kapirika, Servatius; Koekemoer, Johan; Strand, Rita; Thorstad, Eva B.; Hårsaker, Karstein (NINA Project Report;17, Research report, 2002)
      Hay, C.J., Næsje, T.F., Kapirika, S. Koekemoer, J.H., Strand, R., Thorstad, E.B. & Hårsaker, K. 2002. Fish populations, gill net catches and gill net selectivity in the Zambezi and Chobe Rivers, Namibia, from 1997 to 2000. ...

    • Fish populations, gill net selectivity, and artisanal fisheries in the Okavango River, Namibia. Recommendations for a sustainable fishery. 

      Hay, C.J.; Næsje, T.F.; Breistein, J.; Hårsaker, K.; Kolding, J.; Sandlund, O.T.; van zyl, B. (NINA-NIKU Project Report;10, Research report, 2000)
      Hay, C.J., Næsje, T.F., Breistein, J., Hårsaker, K., Kolding, J., Sandlund, O.T. & van Zyl, B. 2000. Fish populations, gill net selectivity, and artisanal fisheries in the Okavango River, Namibia. Recommendations for a ...

    • Fiskebiologiske undersøkelser i 2002-2004 

      Lund, Roar A.; Johnsen, Bjørn Ove; Fiske, Peder (NINA Rapport;54, Research report, 2005)
      Lund, R.A., Johnsen, B.O. og Fiske, P. 2005. Fiskebiologiske undersøkelser i Surna 2002-2004. - NINA Rapport 54. 86 s. I årene 2002-2004 er det utført undersøkelser i Surna med formål å bedre kunnskapen om be-standsstatus ...

    • Fiskebiologiske undersøkelser i Altaelva 2007 

      Ugedal, Ola; Thorstad, Eva Bonsak; Saksgård, Laila M.; Næsje, Tor (NINA Rapport;370, Research report, 2008)
      Ugedal, O., Thorstad, E.B., Saksgård, L. & Næsje, T.F. 2008. Fiskebiologiske undersøkelser i Altaelva 2007 - NINA Rapport 370. 55 s. Altaelva er ei av Norges beste elver for sportsfiske etter laks. Stortinget vedtok å ...

    • Fiskebiologiske undersøkelser i Altaelva 2008 

      Ugedal, Ola; Thorstad, Eva Bonsak; Saksgård, Laila M.; Næsje, Tor (NINA Rapport;478, Research report, 2009)
      Ugedal, O., Thorsdad, E.B., Saksgård, L. & Næsje, T.F. 2009. Fiskebiologiske undersøkelser i Altaelva 2008. - NINA Rapport 478. 56 s. Altaelva er ei av Norges beste elver for sportsfiske etter laks. Stortinget vedtok i ...

    • Fiskebiologiske undersøkelser i Altaelva 2009 

      Ugedal, Ola; Næsje, Tor F.; Thorstad, Eva B.; Saksgård, Laila; Jensen, Jenny; Chittenden, Cedar; Cowley, Paul; Rikardsen, Audun H. (NINA rapport;585, Research report, 2010)
      Ugedal, O., Næsje, T.F., Thorstad, E.B., Saksgård, L., Jensen, J., Chittenden, C., Cowley, P. & Rikardsen, A. 2010. Fiskebiologiske undersøkelser i Altaelva 2009. - NINA Rapport 585. 58 s. Altaelva er ei av Norges beste ...

    • Fiskebiologiske undersøkelser i Altaelva 2010 

      Ugedal, Ola; Næsje, Tor; Saksgård, Laila M.; Thorstad, Eva Bonsak; Jensen, Jenny; Chittenden, Cedar; Cowley, Paul D.; Rikardsen, Audun H. (NINA rapport;728, Research report, 2011)
      Ugedal, O., Næsje, T.F., Saksgård, L., Thorstad, E.B., Jensen, J.L.A., Chittenden, C.M., Cowley, P.D. & Rikardsen, A. 2011. Fiskebiologiske undersøkelser i Altaelva 2010. – NINA Rapport 728. 59 s. Altaelva er ei av ...

    • Fiskebiologiske undersøkelser i Altaelva i 2016 

      Ugedal, Ola; Saksgård, Laila M.; Næsje, Tor F.; Thorstad, Eva B. (NINA Kortrapport;74, Research report, 2017)
      Ugedal, O., Saksgård, L.M., Næsje, T.F. & Thorstad, E.B. 2017. Fiskebiologiske undersøkelser i Altaelva 2016. – NINA Kortrapport 74. 44 s. Altaelva er ei av Norges beste elver for sportsfiske etter laks. Stortinget vedtok ...

    • Fiskebiologiske undersøkelser i Altaelva i 2017 

      Ugedal, Ola; Saksgård, Laila M.; Næsje, Tor F.; Thorstad, Eva B. (NINA Rapport;1515, Research report, 2018)
      Ugedal, O., Saksgård, L.M., Næsje, T.F. & Thorstad, E.B. 2018. Fiskebiologiske undersøkelser i Altaelva i 2017. NINA Rapport 1515. Norsk institutt for naturforskning. Altaelva er ei av Norges beste elver for sportsfiske ...

    • Fiskebiologiske undersøkelser i Altaelva i 2018 

      Ugedal, Ola; Saksgård, Laila M.; Næsje, Tor F.; Thorstad, Eva B. (NINA Rapport;1681, Research report, 2019)
      Ugedal, O., Saksgård, L.M., Næsje, T.F. & Thorstad, E.B. 2019. Fiskebiologiske undersø-kelser i Altaelva i 2018. NINA Rapport 1681. Norsk institutt for naturforskning. Altaelva er ei av Norges beste elver for sportsfiske ...

    • Fiskebiologiske undersøkelser i Altaelva i 2019 

      Ugedal, Ola; Saksgård, Laila M.; Næsje, Tor F.; Thorstad, Eva B. (NINA Rapport;1832, Research report, 2020)
      Ugedal, O., Saksgård, L.M., Næsje, T.F. & Thorstad, E.B. 2020. Fiskebiologiske undersøkelser i Altaelva i 2019. NINA Rapport 1832. Norsk institutt for naturforskning. Altaelva er ei av Norges beste elver for sportsfiske ...