Détail de l'auteur
Documents disponibles écrits par cet auteur (2)
Ajouter le résultat dans votre panier Affiner la recherche
Article
Jorg Welcker, Auteur ; Ann M. A. Harding, Auteur ; Nina J. Karnovsky, Auteur ; Harald Steen, Auteur ; Hallvard Strom, Auteur ; Geir W. Gabrielsen, AuteurA bimodal foraging strategy has previously been described for procellariiform seabird species and is thought to have evolved in response to local resource availability being too low for adult birds to meet chick requirements and simultaneously m[...]
Article
Jorg Welcker, Auteur ; Harald Steen, Auteur ; Ann M. A. Harding, Auteur ; Geir W. Gabrielsen, AuteurSexual differences in foraging and provisioning behaviour have been observed in several size-dimorphic seabird species. These differences are usually thought to be driven by size-related mechanisms such as the ability to compete for food or defe[...]
