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Blar i NTNU Open på forfatter "Nygård, Torgeir"

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Viser treff 1-20 av 21

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    • Assessing the Diet of the Golden eagle (Aquila chrysaetos) and the Biomagnification of Metals by use of Stable isotope analysis and ICP-MS. 

      Reitan, Maiken (Master thesis, 2013)
      Feathers from the golden eagle and muscle tissue from the most important sources of prey (hare, sheep, grouse and reindeer) in the golden eagle diet were analysed for stable isotopes of carbon and nitrogen, and for the ...
    • Collision risk in white-tailed eagles. Modelling collision risk using vantage point observations in Smøla wind-power plant 

      May, Roelof Frans; Lund, Pernille Andersen; Langston, Rowena; Dahl, Espen Lie; Bevanger, Kjetil Modolv; Reitan, Ole; Nygård, Torgeir; Pedersen, Hans-Christian; Stokke, Bård Gunnar; Røskaft, Eivin (NINA rapport, Research report, 2010)
      Large soaring birds of prey, such as the white-tailed eagle, are recognized to be perhaps the most vulnerable bird group regarding risk of collisions with turbines in wind-power plants. Their mortalities have called for ...
    • Environmental pollutants in the terrestrial and urban environment 2019 

      Heimstad, Eldbjørg Sofie; Moe, Børge; Nygård, Torgeir; Herzke, Dorte; Bohlin-Nizzetto, Pernilla (NILU rapport;, Research report, 2020)
      Samples from the urban terrestrial environment in the Oslo area were analysed for various inorganic and organic environmental pollutants. The selected species were earthworm, fieldfare, sparrowhawk, brown rat, red fox and ...
    • Feathers as an integrated measure of organohalogen contamination, dietary tracers and stress in Goshawk (Accipiter gentilis) nestlings from Trøndelag, Norway 

      Randulff, Sina Thu (Master thesis, 2015)
      Because of their high sensitivity and wide distribution, predatory birds have proven useful as sentinel species for monitoring exposure of organohalogen contaminants (OHCs). Nestling feathers have been evaluated as valid ...
    • Integrated exposure assessment of northern goshawk (Accipiter gentilis) nestlings to legacy and emerging organic pollutants using non-destructive samples 

      Briels, Nathalie; Torgersen, Lene Norstrand; Castaño-Ortiz, Jose M.; Løseth, Mari Engvig; Herzke, Dorte; Nygård, Torgeir; Bustnes, Jan Ove; Ciesielski, Tomasz Maciej; Poma, Giulia; Malarvannan, Govindan; Covaci, Adrian; Jaspers, Veerle (Journal article; Peer reviewed, 2019)
      In the present study, concentrations of legacy and emerging contaminants were determined in three non-destructive matrices (plasma, preen oil and body feathers) of northern goshawk (Accipiter gentilis) nestlings. Persistent ...
    • Levels of Perfluoroalkyl and Polyfluoroalkyl Substances (PFASs) in Feathers of Eurasian Eagle-Owls (Bubo bubo) in Norway 

      Persson, Marie Johanne Dahlberg (Master thesis, 2017)
      In the current study per- and polyfluroalkyl substances (PFASs) were investigated in 72 feathers from Eurasian Eagle-Owls (Bubo bubo) collected in four geographically similar areas in Norway and in six different years. The ...
    • No evidence of avian influenza antibodies in two species of raptor nestlings inhabiting Norway 

      Lee, Megan Marie; Jaspers, Veerle; Løseth, Mari Engvig; Briels, Nathalie; Nygård, Torgeir; Bustnes, Jan Ove; Waugh, Courtney (Journal article; Peer reviewed, 2019)
      Background: Since 2016, incursions of highly pathogenic avian influenza virus (HPAIV) H5N8 clade 2.3.4.4b have caused unprecedented clinical signs and mortality in white-tailed eagles (WTE; Haliaeetus albicilla) across ...
    • Ornitologiske undersøkelser i fjellområdet fra Vera til Sørli, Nord-Trøndelag 

      Nygård, Torgeir; Thingstad, Per Gustav; Karlsen, Svein; Krogstad, Knut; Kvam, Tor (NTNU Vitenskapsmuseet Rapport Zoologisk Serie, 0802-0833; 1976:3, Research report, 1976)
    • Ornitologiske undersøkelser i Sanddøla- og Luruvassdragene 

      Thingstad, Per Gustav; Nygård, Torgeir (NTNU Vitenskapsmuseet Rapport Zoologisk Serie, 0802-0833; 1982:6, Research report, 1982)
    • Plasma concentrations of organohalogenated contaminants in white-tailed eagle nestlings – The role of age and diet 

      Løseth, Mari Engvig; Briels, Nathalie; Eulaers, Igor; Nygård, Torgeir; Malarvannan, Govindan; Poma, Giulia; Covaci, Adrian; Herzke, Dorte; Bustnes, Jan Ove; Lepoint, Gilles; Jenssen, Bjørn Munro; Jaspers, Veerle (Journal article; Peer reviewed, 2019)
      Concentrations of organohalogenated contaminants (OHCs) can show significant temporal and spatial variation in the environment and wildlife. Most of the variation is due to changes in use and production, but environmental ...
    • Pre- and post-construction studies of conflicts between birds and wind turbines in coastal Norway (BirdWind) - Progress Report 2009 

      Bevanger, Kjetil Modolv; Berntsen, Finn Erik Harald; Clausen, Stig Morten; Dahl, Espen Lie; Flagstad, Øystein; Follestad, Arne; Halley, Duncan John; Hanssen, Frank Ole; Hoel, Pernille Lund; Johnsen, Lars; Kvaløy, Pål; May, Roelof Frans; Nygård, Torgeir; Pedersen, Hans-Christian; Reitan, Ole; Steinheim, Yngve; Vang, Roald (Nina Rapport;505, Research report, 2009)
      From 2007 inclusive, NINA has received economic support for research on wind power and birds from the Norwegian Research Council (NFR) through the RENERGI-programme. The project is named Pre- and post-construction studies ...
    • Pre- and post-construction studies of conflicts between birds and wind turbines in coastal Norway (BirdWind). Report on findings 2007-2010 

      Bevanger, Kjetil Modolv; Berntsen, Finn Erik Harald; Clausen, Stig Morten; Dahl, Espen Lie; Flagstad, Øystein; Follestad, Arne; Halley, Duncan John; Hanssen, Frank Ole; Johnsen, Lars; Kvaløy, Pål; Lund-Hoel, Pernille*; May, Roelof Frans; Nygård, Torgeir; Pedersen, Hans-Christian; Reitan, Ole; Røskaft, Eivin; Steinheim, Yngve; Stokke, Bård Gunnar; Vang, Roald (NINA rapport;620, Research report, 2011)
      The BirdWind project (2007-2010) is now concluded. This report summarises the main findings. Several scientific papers are in the process of preparation for publication in international peer re-view journals; this report ...
    • "Pre- and post-construction studies of conflicts between birds and wind turbines in coastal Norway". Progress Report 2008 

      Bevanger, Kjetil Modolv; Clausen, Stig Morten; Dahl, Espen Lie; Flagstad, Øystein; Follestad, Arne; Gjershaug, Jan Ove; Halley, Duncan John; Hanssen, Frank Ole; Hoel, Pernille Lund; Jacobsen, Karl-Otto; Johnsen, Lars; May, Roelof Frans; Nygård, Torgeir; Pedersen, Hans-Christian; Reitan, Ole; Steinheim, Yngve; Vang, Roald (NINA rapport;409, Research report, 2008)
      Nøkkelord : windpower, radar, bird, mortality, whitetailed sea eagle, GIS, ptarmigan, eagle owl, vindkraft, dødlighet, havørn, lirype, hubro
    • “Pre- and post-construction studies of conflicts between birds and wind turbines in coastal Norway”. Statusrapport 1. januar 2008 

      Bevanger, Kjetil Modolv; Follestad, Arne; Gjershaug, Jan Ove; Halley, Duncan John; Hanssen, Frank Ole; Johnsen, Lars; May, Roelof Frans; Nygård, Torgeir; Pedersen, Hans Christian; Reitan, Ole; Steinheim, Yngve (NINA Rapport;329, Research report, 2008)
      NINA har siden 1999 hatt ulike forsknings- og utredningsaktiviteter knyttet til vindkraft og fugl (med spesiell fokus på havørn). Finansieringen har hovedsakelig kommet fra NVE og Statkraft, men også EBL, DN/MD, Norsk Hydro ...
    • Repowering Smøla wind-power plant - An assessment of avian conflicts 

      Dahl, Espen Lie; May, Roelof Frans; Nygård, Torgeir; Åström, Jens; Diserud, Ola Håvard (NINA Rapport;1135, Research report, 2015)
      Gjennom pågående og tidligere forskning på effekter av vindkraft på fugl i Smøla vindpark, er havørn identifisert som den mest sårbare arten. Smøla vindpark påvirker havørn både gjennom økt dødelighet som følge av kollisjoner ...
    • Resource utilization by the Kori bustard in the Serengeti ecosystem 

      Mmassy, Emmanuel Clamsen; May, Roelof Frans; Jackson, Craig Ryan; Kleven, Oddmund; Nygård, Torgeir; Bevanger, Kjetil Modolv; Røskaft, Eivin (Journal article; Peer reviewed, 2019)
      This study aimed to understand the movement behaviour and utilization distributions of Kori bustards in space and time in the Serengeti ecosystem. A total of 14 individuals were tracked with the aid of GPS (Geographical ...
    • Screening new PFAS compounds 2018 

      Hanssen, Linda; Herzke, Dorte; Nikiforov, Vladimir; Moe, Børge; Nygård, Torgeir; van Dijk, Jiska Joanneke; Gabrielsen, Geir W.; Fuglei, Eva; Yeung, Leo; Vogelsang, Christian; Carlsson, Pernilla Marianne (NILU rapport;, Research report, 2019)
      This screening project has focused on the occurrence of conventional andemerging PFASs in terrestrial and marine environments, including the Arctic. Conventional PFASs were found to be wide-spread in the environment and ...
    • Småviltbiologiske undersøkelser i Sanddøla- og Luruvassdragene 1981 og 1982 

      Thingstad, Per Gustav; Nygård, Torgeir (NTNU Vitenskapsmuseet Rapport Zoologisk Serie, 0802-0833; 1982:7, Research report, 1982)
    • The influence of natural variation and organohalogenated contaminants on physiological parameters in white-tailed eagle (Haliaeetus albicilla) nestlings from Norway 

      Løseth, Mari Engvig; Flo, Jørgen; Sonne, Christian; Havnsøe Krogh, Anne Kirstine; Nygård, Torgeir; Bustnes, Jan Ove; Jenssen, Bjørn Munro; Jaspers, Veerle (Journal article; Peer reviewed, 2019)
      Environmental exposure to organohalogenated contaminants (OHCs), even at low concentrations, may cause detrimental effects on the development and health of wild birds. The present study investigated if environmental exposure ...
    • Trace element concentrations in feathers and blood of Northern goshawk (Accipiter gentilis) nestlings from Norway and Spain 

      Dolan, Kevin J.; Ciesielski, Tomasz Maciej; Lierhagen, Syverin; Eulaers, Igor; Nygård, Torgeir; Johnsen, Trond Vidar; Gómez-Ramírez, Pilar; García-Fernández, Antonio J.; Bustnes, Jan Ove; Ortiz-Santaliestra, Manuel E.; Jaspers, Veerle (Journal article; Peer reviewed, 2017)
      Information on trace element pollution in the terrestrial environment and its biota is limited compared to the marine environment. In the present study, we collected body feathers and blood of 37 Northern goshawk (Accipiter ...

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