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Documents disponibles écrits par cet auteur (9)
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Article
Glenn Yannic, Auteur ; Thomas Broquet, Auteur ; Hallvard Strøm, Auteur ; Adrian Aebischer, Auteur ; Christophe Dufresnes, Auteur ; Maria V. Gavrilo, Auteur ; H. Grant Gilchrist, Auteur ; Mark L. Mallory, Auteur ; R. I. Guy Morrison, Auteur ; Brigitte Sabard, Auteur ; Roberto Sermier, Auteur ; Olivier Gilg, AuteurSex identification of birds is relevant to studies of evolutionary biology and ecology and is often a central issue for the management and conservation of populations. The Ivory Gull Pagophila eburnea (Phipps, 1774) is a rare high-Arctic species[...]
Article
Olivier Gilg, Auteur ; Alexandre Andreev, Auteur ; Adrian Aebischer, Auteur ; Alexander Kondratyev, Auteur ; Aleksandr Sokolov, Auteur ; Andrew Dixon, AuteurRoss’s Gull is one of the most emblematic Arctic birds and least known seabirds in the world; post-breeding movements and the use of sea-ice habitats have been long debated, but described only from scattered observations. We tracked two adults, [...]
Article
Olivier Gilg, Auteur ; Alexandre Andreev, Auteur ; Adrian Aebischer, Auteur ; Alexander Kondratyev, Auteur ; Aleksandr Sokolov, Auteur ; Andrew Dixon, AuteurRoss’s Gull is one of the most emblematic Arctic birds and least known seabirds in the world; post-breeding movements and the use of sea-ice habitats have been long debated, but described only from scattered observations. We tracked two adults, [...]
Article
Judith A. Zbinden, Auteur ; Adrian Aebischer, Auteur ; Dimitris Margaritoulis, Auteur ; Raphaël Arlettaz, AuteurFemale sea turtles typically lay several clutches during each nesting season and rest in the time between laying clutches (the internesting period) in the waters off the nesting beach. Adequate protection of turtles in the internesting area requ[...]
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Adrian Aebischer, Auteur ; Peter Nyffeler, Auteur ; Silvia Koch, Auteur ; Raphaël Arlettaz, AuteurIn order to better understand the population dynamics of the Eagle Owl in Switzerland, the mortality factors of 228 dead individuals were analysed, and the dispersal of 36 young was studied by means of satellite telemetry and by conventional rad[...]
Article
Michael Schaub, Auteur ; Adrian Aebischer, Auteur ; Olivier Gimenez, Auteur ; Silvia Berger, Auteur ; Raphaël Arlettaz, AuteurThe modern anthropized landscape is a major source of hazards for large animals such as raptors. Collisions with cables, vehicles and trains, as well as electrocution cause casualties, which may negatively impact populations. Yet, demographic st[...]
Article
Benoit Sittler, Auteur ; Adrian Aebischer, Auteur ; Olivier Gilg, AuteurThe Long-tailed Skua (Stercorarius longicaudus) is a specialist predator of lemmings during the summer and hence an important component of the tundra ecosystems, but most of its life cycle takes place offshore and remains largely unknown outside[...]
Article
Olivier Gilg, Auteur ; Hallvard Strom, Auteur ; Adrian Aebischer, Auteur ; Maria V. Gavrilo, Auteur ; Andrei E. Volkov, Auteur ; Cecilie Miljeteig, Auteur ; Brigitte Sabard, AuteurThe post-breeding movements of three northeast Atlantic populations (north Greenland, Svalbard and Franz Josef Land) of the ivory gull Pagophila eburnea, a threatened high-Arctic sea-ice specialist, were studied between July and December 2007 us[...]
Article
Adrian Aebischer, Auteur ; Peter Nyffeler, Auteur ; Raphaël Arlettaz, AuteurAlthough juvenile dispersal is an important life history component, it remains one of the less understood ecological processes regulating the dynamics of animal populations. Lack of information about patterns of dispersal hampers the estimation [...]
