Blar i forfatter Norges arktiske universitetsmuseum "Frederiksen, Morten"

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    • Multicolony tracking reveals the winter distribution of a pelagic seabird on an ocean basin scale 

      Frederiksen, Morten; Moe, Børge; Daunt, Francis; Phillips, Richard A.; Barrett, Robert; Bogdanova, Maria I; Boulinier, Thierry; Chardine, John W; Chastel, Olivier; Chivers, Lorraine S; Christensen-Dalsgaard, Signe; Clémet-Chastel, Céline; Colhoun, Kendrew; Freeman, Robin; Gaston, Anthony J; González-Solís, Jacob; Goutte, Aurélie; Grémillet, David; Guilford, Tim; Jensen, Gitte H; Krasnov, Yuri V.; Lorentsen, Svein-Håkon; Mallory, Mark L; Newell, Mark; Olsen, Bergur; Shaw, Deryk; Steen, Harald; Strøm, H.; Systad, Geir Helge; Thórarinsson, Thorkell L; Anker-Nilssen, Tycho (Journal article; Tidsskriftartikkel; Peer reviewed, 2011-11-26)
      Aim An understanding of the non-breeding distribution and ecology of migratory species is necessary for successful conservation. Many seabirds spend the nonbreeding season far from land, and information on their distribution during this time is very limited. The black-legged kittiwake, Rissa tridactyla, is a widespread and numerous seabird in the North Atlantic and Pacific, but breeding ...

    • Prey density in non-breeding areas affects adult survival of black-legged kittiwakes Rissa tridactyla 

      Reiertsen, Tone K.; Erikstad, Kjell E.; Anker-Nilssen, Tycho; Barrett, Robert T.; Boulinier, Thierry; Frederiksen, Morten; González-Solís, Jacob; Grémillet, David; Johns, David; Moe, Børge; Ponchon, Aurore; Skern-Mauritzen, Mette; Sandvik, Hanno; Yoccoz, Nigel Gilles (Journal article; Tidsskriftartikkel; Peer reviewed, 2014-08-27)
      In migratory birds, environmental conditions in both breeding and non-breeding areas may affect adult survival rates and hence be significant drivers of demographic processes. In seabirds, poor knowledge of their true distribution outside the breeding season, however, has severely limited such studies. This study explored how annual adult survival rates of black-legged kittiwakes Rissa tridactyla ...