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Article
Jan Ove Gjershaug, Auteur ; John Atle Kålås, Auteur ; Torgeir Nygard, Auteur ; Dorte Herzke, Auteur ; Alv Ottar Folkestad, AuteurThis article summarizes results from raptor monitoring and contamination studies in Norway of the golden eagle, gyrfalcon, white-tailed sea eagle, osprey, peregrine, and merlin. Golden eagle and gyrfalcon populations have been monitored since 19[...]
Article
Jan Ove Gjershaug, Auteur ; John Atle Kålås, Auteur ; Torgeir Nygard, Auteur ; Dorte Herzke, Auteur ; Alv Ottar Folkestad, AuteurThis article summarizes results from raptor monitoring and contamination studies in Norway of the golden eagle, gyrfalcon, white-tailed sea eagle, osprey, peregrine, and merlin. Golden eagle and gyrfalcon populations have been monitored since 19[...]
Article
Jan E. Ostnes, Auteur ; Rolf T. Kroglund, Auteur ; Oddmund Kleven, Auteur ; Torgeir Nygard, AuteurMigratory behaviour is subject to intraspecific variation and may be determined by the age, sex and population origin of individuals. Here we equipped eight juvenile Ospreys (Pandion haliaetus) with GPS-based satellite-transmitters to investigat[...]
Article
Torgeir Nygard, AuteurAll diurnal raptors and owls have been protected by law in Norway since 1968-1972. Since then, most species that had been heavily persecuted earlier (eagles and hawks), and those especially susceptible to environmental pollution (Peregrine Falco[...]
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Trond V. Johnsen, Auteur ; Geir H. Systad, Auteur ; Karl O. Jacobsen, Auteur ; Torgeir Nygard, Auteur ; Jan O. Bustnes, AuteurTo assess the importance of semi-domesticated reindeer Rangifer tarandus calves in the diet of Golden Eagles Aquila chrysaetos, in Finnmark (northern Norway), we collected prey remains at 37 nests over six years (2001-2006). The study area was d[...]
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Espen Lie Dahl, Auteur ; Kjetil Bevanger, Auteur ; Torgeir Nygard, Auteur ; Eivin Roskaft, Auteur ; Bard G. Stokke, AuteurClimate change scenarios and efforts to reduce CO(2) emissions have increased the focus on wind power and other renewable energy sources. Despite producing "clean" electricity, windfarms do have impacts on the environment. We studied the impact [...]
