Browsing Scientific publications by Author "Jacobsen, Karl-Otto"
Now showing items 1-5 of 5
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Arctic avian predators synchronise their spring migration with the northern progression of snowmelt
Curk, Teja; Pokrovsky, Ivan; Lecomte, Nicolas; Aarvak, Tomas; Burnham, Kurt; Dietz, Andreas; Franke, Alastair; Gauthier, Gilles; Jacobsen, Karl-Otto; Kidd, Jeff; Lewis, Stephen B.; Øien, Ingar J.; Solheim, Roar; Wiebe, Karen; Wikelski, Martin; Therrien, Jean-François; Safi, Kamran (Journal article, 2020) -
Effects of satellite transmitters on survival in Snowy Owls Bubo scandiacus
Heggøy, Oddvar; Aarvak, Tomas; Øien, Ingar Jostein; Jacobsen, Karl-Otto; Solheim, Roar; Zazelenchuk, Dan; Stoffel, Marten; Kleven, Oddmund (Journal article; Peer reviewed, 2017)The use of tracking devices to monitor birds is extensive, but the effects of such instruments on equipped individuals are still insufficiently taken into account. Here we evaluate potential effects of backpack-mounted ... -
Home-range, movements and use of powerline poles of Eagle-Owls (Bubo bubo) at an island population in northern Norway
Nygård, Torgeir; Jacobsen, Karl-Otto; Gjershaug, Jan Ove (Peer reviewed; Journal article, 2023)A dense island population of Eagle-Owls (Bubo bubo) close to the Arctic circle had suffered considerable mortality due to powerlines (electrocution and collision) throughout many decades. A study using GPS transmitter ... -
Observations of a White-tailed Eagle incubating eggs of a Greylag goose
Jacobsen, Karl-Otto; Sexton, David (Others, 2023)Interspecific takeovers of nests are thought to be rare in birds. A female White-tailed Eagle Haliaeetus albicilla was observed incubating a nest of a Greylag Goose Anser anser with five eggs at Reinøya, Troms County, ... -
Satellite telemetry uncovers important wintering areas for Snowy owls on the Kola peninsula, northwestern Russia
Øien, Ingar Jostein; Aarvak, Tomas; Jacobsen, Karl-Otto; Solheim, Roar (Peer reviewed; Journal article, 2018)In order to reveal winter movements and wintering areas of snowy owls breeding in Northern Fennoscandia, we conducted a telemetry study by use of battery operated satellite transmitters. Nine battery powered ARGOS satellite ...