Essai synécologique sur les micromammifères d'Europe atlantique et ouest méditerranéenne: étude par analyse du régime alimentaire de Tyto alba (Scopoli) ; Synecological assay on small mammals of Atlantic Europe and Western Mediterranean: study by analysis of the diet of Tyto alba (Scopoli)

peer reviewed ; Methods: owl pellets in Belgium, Corsica and in East Pyrenees. Quality of the samples: exhaustivity and representativity. Habitat evaluation in the barn owl home range: climate, orography, vegetation. Discussion for the method. Landscape structure and the mammal communities. Interspecific competition in island biocoenoses.