Browsing Norsk institutt for naturforskning by Title

Now showing items 3882-3901 of 4393

    • Tiltaksrettet overvåking av villaks og rømt oppdrettslaks i Trondheimsfjorden og tilsluttende elver. Resultater fra undersøkelsene i 2014, 2013 og 2012 

      Aronsen, Tonje; Næsje, Tor F.; Ulvan, Eva M.; Fiske, Peder; Jørrestol, Arne; Østborg, Gunnel; Krogdahl, Rune; Rognes, Torstein (NINA rapport;1194, Research report, 2016-01-15)
      Aronsen, T., Næsje, T.F., Ulvan, E.M., Fiske, F., Jørrestol, A., Østborg, G., Krogdahl, R & T. Rognes. 2015. Tiltaksrettet overvåking av villaks og rømt oppdrettslaks i Trondheimsfjorden og tilsluttende elver. Resultater ...

    • Tiltaksrettet problemkartlegging, oppfølging av gjennomførte tiltak og ungfisktellinger i små sjøørretvassdrag til Gaula 

      Bergan, Morten André (Research report, 2023)
      Bergan, M. A. 2023. Tiltaksrettet problemkartlegging, oppfølging av gjennomførte tiltak og ungfisktellinger i små sjøørretvassdrag til Gaula. Undersøkelser i 2022. NINA Rapport 2240. Norsk institutt for naturforskning Rapporten ...

    • «Timber-frontierens» spredning til Nord-Norge 1866-1886. Forutsetninger, forløp og konsekvenser 

      Lorås, Jostein (Journal article, 2018)
      Utover 1800-tallet ble de europeiske skogene stadig hogd mer intensivt og den såkalte «timber-frontieren» spredde seg også til nordområdene. På denne bakgrunnen diskuterer artikkelen økonomiske og sosiale konsekvenser av ...

    • Time and size at seaward migration influence the sea survival of Salmo salar 

      Jonsson, Nina; Jonsson, Bror (Peer reviewed; Journal article, 2014)
      Whether time of seaward migration of young Atlantic salmon Salmo salar influences their subsequent survival and growth was investigated in the River Imsa, south-western Norway. Salmo salar were tagged when moving downstream ...

    • Time series analysis reveals synchrony and asynchrony between conflict management effort and increasing large grazing bird populations in northern Europe 

      Cusack, Jeremy J.; Duthie, Brad; Rakotonarivo, Sarobidy; Pozo, Rocio A.; Mason, Tom H. E.; Månsson, Johan; Nilsson, Lovisa; Tombre, Ingunn M.; Tombre, Ingunn; Eythórsson, Einar; Madsen, Jesper; Tulloch, Ayesha; Hearn, Richard D.; Redpath, Steve; Bunnefeld, Nils (Journal article; Peer reviewed, 2018)
      The management of conflicts between wildlife conservation and agricultural practices often involves the implementation of strategies aimed at reducing the cost of wildlife impacts on crops. Vital to the success of these ...

    • Time series analysis reveals synchrony and asynchrony between conflict management effort and increasing large grazing bird populations in northern Europe 

      Cusack, Jeremy J.; Duthie, Brad; Rakotonarivo, Sarobidy; Pozo, Rocio A.; Mason, Tom H.E.; Månsson, Johan; Nilsson, Lovisa; Tombre, Ingunn; Eythórsson, Einar; Madsen, Jesper; Tulloch, Ayesha; Hearn, Richard D.; Redpath, Steve; Bunnefeld, Nils (Peer reviewed; Journal article, 2018)
      The management of conflicts between wildlife conservation and agricultural practices often involves the implementation of strategies aimed at reducing the cost of wildlife impacts on crops. Vital to the success of these ...

    • Timing and pattern of annual silver eel migration in two European watersheds are determined by similar cues 

      Sandlund, Odd Terje; Diserud, Ola Håvard; Poole, Russell; Bergesen, Knut Aanestad; Dillane, Mary; Rogan, Gerard; Durif, Caroline; Thorstad, Eva Bonsak; Vøllestad, Leif Asbjørn (Journal article; Peer reviewed, 2017)
      Many animals perform long-distance migrations in order to maximize lifetime reproductive success. The European eel migrates several thousand kilometers between their feeding habitats in continental waters (fresh-,brackish, ...

    • Timing and synchrony of birth in Eurasian lynx across Europe 

      Mattisson, Jenny; Linnell, John Durrus; Anders, Ole; Belotti, Elisa; Breitenmoser-Würsten, Christine; Bufka, Ludek; Fuxjäger, Christian; Heurich, Marco Dietmar; Ivanov, Gjorge; Jędrzejewski, Włodzimierz; Kont, Radio; Kowalczyk, Rafał; Krofel, Miha; Melovski, Dime; Mengüllüoğlu, Deniz; Middelhoff, Tomma Lilli; Molinari-Jobin, Anja; Odden, John; Ozoliņš, Jānis; Okarma, Henryk; Persson, Jens; Schmidt, Krzysztof; Vogt, Kristina; Zimmermann, Fridolin; Andrén, Henrik (Peer reviewed; Journal article, 2022)
      The ecology and evolution of reproductive timing and synchrony have been a topic of great interest in evolutionary ecology for decades. Originally motivated by questions related to behavioral and reproductive adaptation ...

    • Timing is everything: Survival of Atlantic salmon Salmo salar postsmolts during events of high salmon lice densities 

      Bøhn, Thomas; Gjelland, Karl Øystein; Serra-Llinares, Rosa Maria; Finstad, Bengt; Primicerio, Raul; Nilsen, Rune; Karlsen, Ørjan; Sandvik, Anne Dagrun; Skilbrei, Ove Tommy; Elvik, Kristine Marit Schrøder; Skaala, Øystein; Bjørn, Pål Arne (Journal article, 2020)
      1. Atlantic salmon in aquaculture act as reservoir hosts and vectors of parasites like salmon lice and this parasite is shown to harm wild salmonid populations. 2. In this study, n = 29,817 tagged Atlantic salmon were ...

    • To grytehullsjøer på Hensmoen, Buskerud fylke. Ferskvannsbiologisk dokumentasjon av Storetjern og Lilletjern 

      Walseng, Bjørn; Mjelde, Marit (NINA Rapport;1448, Research report, 2017)
      For å fastsette økologisk tilstand i to tjern i Buskerud, Storetjern og Lilletjern, ble vannplanter og krepsdyr kartlagt på oppdrag fra Fylkesmannen i Buskerud. Tjernene er omkranset av myr og karakterisert som små, svært ...

    • Tolga kraftverk. Utredning av konsekvenser for fisk og bunndyr 

      Museth, Jon; Johnsen, Stein Ivar; Sandlund, Odd Terje; Arneleiv, Jo Vegar; Kjærstad, Gaute; Kraabøl, Morten (NINA Rapport;828, Research report, 2012)
      Opplandskraft DA sendte i januar 2010 melding om Tolga kraftverk ut på høring, og følgende alternativer inngår i den endelige konsekvensutredning: Skjema ulike utbyggingsalternativene for Tolga kraftverk vurdert til ...

    • Top-down control of a marine mesopredator: Increase in native white-tailed eagles accelerates the extinction of an endangered seabird population 

      Anker-Nilssen, Tycho; Fayet, Annette; Aarvak, Tomas (Peer reviewed; Journal article, 2023)
      1. Bottom-up control is an important regulator of marine mesopredators such as seabirds. The prevalence of top-down control on these species is however less well understood. In particular, how native predators affect seabird ...

    • TOV etter 2020. Utvikling av TOV som økosystembasert overvåking 

      Framstad, Erik; Bakkestuen, Vegar; Halvorsen, Rune; Ihlen, Per Gerhard; Nilsen, Erlend B.; Olsen, Siri Lie; Pedersen, Bård; Stokke, Bård G.; Töpper, Joachim; Økland, Tonje (NINA Rapport;1877, Research report, 2020)
      Framstad, E., Bakkestuen. V., Halvorsen, R., Ihlen, P.G., Nilsen, E.B., Olsen, S.L., Pedersen, B., Stokke, B.G., Töpper, J. & Økland, T. 2020. TOV etter 2020. Utvikling av TOV som økosystembasert overvåking. NINA Rapport ...

    • Toward a decade of ocean science for sustainable development through acoustic animal tracking 

      Alós, Josep; Aarestrup, Kim; Abecasis, David; Afonso, Pedro; Alonso-Fernandez, Alexandre; Aspillaga, Eneko; Barcelo-Serra, Margarida; Bolland, Jonathan; Cabanellas-Reboredo, Miguel; Lennox, Robert; McGill, Ross; Özgül, Aytaç; Reubens, Jan; Villegas-Ríos, David (Peer reviewed; Journal article, 2022)
      The ocean is a key component of the Earth's dynamics, providing a great variety of ecosystem services to humans. Yet, human activities are globally changing its structure and major components, including marine biodiversity. ...

    • Toward improved impact evaluation of community forest management in Indonesia 

      Meijaard, Erik; Santika, Truly; Wilson, Kerrie A.; Budiharta, Sugeng; Kusworo, Ahmad; Law, Elizabeth; Friedman, Rachel; Hutabarat, Joseph A.; Indrawan, Tito P.; Sherman, Julie; St.John, Freya A.V.; Struebig, Matthew J. (Peer reviewed; Journal article, 2020)
      Many tropical countries continue to devolve forest management to forest-dwelling communities. The assumption is that local knowledge of forests and community engagement in forest management will attain multiple social and ...

    • Towards a systematics of ecodiversity: The EcoSyst framework 

      Halvorsen, Rune; Skarpaas, Olav; Bryn, Anders; Bratli, Harald; Erikstad, Lars; Simensen, Trond; Lieungh, Eva (Journal article, 2020)
      Background Although a standard taxonomy of organisms has existed for nearly 300 years, no consensus has yet been reached on principles for systematization of ecological diversity (i.e., the co‐ordinated variation of abiotic ...

    • Towards an Urban Resilience Index: A Case Study in 50 Spanish Cities 

      Suárez, Marta; Gomez-Baggethun, Erik; Benayas, Javier; Tilbury, Daniella (Peer reviewed; Journal article, 2016)
      Urbanization is a major driver of land use change and global environmental decline. With accelerated urbanization worldwide, it is essential to put in place new policies to conserve urban ecosystems, species and the services ...

    • Towards Indigenous Leadership in Salmon Governance? Report from the 2022 Indigenous Salmon Peoples Gathering 

      Brattland, Camilla; Rybråten, Stine (NINA Report;2365, Research report, 2023)
      Brattland, C. & Rybråten, S. (eds.) 2023. Towards Indigenous Leadership in Salmon Governance? Report from the 2022 Indigenous Salmon Peoples Gathering. NINA Report 2365. Norwegian Institute for Nature Research. What ...

    • Towards the development of a management relevant index for invasive alien species: a pilot study 

      van Dijk, Jiska Joanneke; Åström, Jens; Pilskog, Hanne Eik (NINA rapport;876, Research report, 2012)
      Van Dijk, J., Åström, J., Pilskog, H. E. 2012. Towards the development of a management relevant index for invasive alien species: a pilot study - NINA Report 876. 36 pp. Alien species are a major threat to biodiversity ...

    • Tracking animals in freshwater with electronic tags: past, present and future 

      Cooke, Steven J.; Midwood, Jonathan D.; Thiem, Jason D.; Klimley, Peter; Lucas, Martyn C.; Thorstad, Eva Bonsak; Eiler, John H.; Holbrook, Chris; Ebner, Brendan C (Peer reviewed; Journal article, 2013)
      Considerable technical developments over the past half century have enabled widespread application of electronic tags to the study of animals in the wild, including in freshwater environments. We review the constraints ...