title: [Energetic requirements of finch populations (Fringilla montifringilla) in relation to the cultivation of maize (Zea mais) in France from 1955 to 1973)].
abstract: A study of the relations between the size of the concentrations observed and the primary production shows the roles played in the adaptation of a species to a new habitat by quantity of energy produced by the habitat, sociability of the birds, and circulation of information between individuals.
mesh_terms: D000818:Animals; D001717:Birds / Q000378:metabolism; D004032:Diet; D004463:Ecology; D004734:Energy Metabolism; D005602:France; D003313:Zea mays
vernacular_title: Déterminisme énergétique des concentrations de Pinsons du Nord (Fringilla montifringilla) en relation avec l'évolution de la culture du Maïs (Zea mais en France de 1955 á 1973