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espanolSe ha estudiado la seleccion de lugar de nidificacion de algunas aves Passeriformes en un biotopo perturbado de tipo mediterraneo donde el sotobosque de matorral, el estrato arbustivo y parte del estrato arboreo son de crecimiento secundario. Se llevo a cabo un muestreo parcialmente al azar del area de estudio y utilizamos el analisis discriminante por etapas para comparar los datos de ese muestreo con los de los nidos de cada especie. Hemos identificado caracteristicas de la vegetacion y topograficas que discriminan el habitat de nidificacion de cada especie del habitat total disponible, compuesto este por habitat usado y no usado. Los diferentes patrones-de asociacion exhibidos por las especies en relacion con algunas variables de observacion pueden explicar, al menos en parte, su dispersion por el area disminuyendo el solapamiento espacial y promoviendo su coexistencia. EnglishThe nest-site selection of some Passeriformes birds has been studied in a disturbed Mediterranean habitat where the scrub undergrowth, bush layer and some parts of the wood are of secondary growth. A partially random sampling of the study area was carried out and we have used the stepwise discriminant analysis to compare the sampling data with each of the species. We have indentified vegetation and topographical characteristics that discriminate the nest-site habitat of each species from available habitat, which is composed of used and not used habitat. The dispersion of species through the area could be explained by the different patterns pf correlation they display in relation to some observation variables. These patterns would deccrease the spatial overlap and promote coexistence between species.

Discriminación de los lugares de nidificación de algunas aves passeriformes en un biotopo mediterráneo de Sierra Morena