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Article
Juli Broggi, Auteur ; Esa Hohtola, Auteur ; Kari Koivula, AuteurDans Ibis (163(1) 2021)The plastic regulation of internal energy reserves is acknowledged as the main adaptive response to winter conditions of resident small birds in northern latitudes, a strategy that may be altered whenever human-supplemented food is available. We[...]
Article
Juli Broggi, Auteur ; Kari Koivula, Auteur ; Esa Hohtola, Auteur ; Markku Orell, AuteurDans Ibis (159(4) 2017)Small wintering passerines adaptively modulate daily body mass acquisition as part of their energy management policy. However, whether birds optimize overnight mass loss or body mass at dawn remains poorly understood. We studied environmental co[...]
Article
Juli Broggi, Auteur ; Juan C. Senar, Auteur
Article
Juli Broggi, Auteur ; Magdalene Langset, Auteur ; Bernt Ronning, Auteur ; Jorg Welcker, Auteur ; Claus Bech, AuteurThe maintenance of an effective immune system may entail physiological costs only affordable by individuals in good condition. Some species, like Black-legged Kittiwakes (Rissa tridactyla) in the high arctic, experience important physiological c[...]
Article
Juhani Karvonen, Auteur ; Markku Orell, Auteur ; Seppo Rytkönen, Auteur ; Juli Broggi, Auteur ; Eduardo Belda, AuteurIndividuals may be maladapted to novel environments at the species distribution margin. We investigated population dynamics in a marginal habitat where reproduction has been proven poor. Survival, population growth rate (?) and its components, b[...]
