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Auteur J. Arizaga |
Documents disponibles écrits par cet auteur (5)
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Article
J. Arizaga, Auteur ; X. Esparza, Auteur ; L.M. Carrascal, AuteurThe environmental and trophic conditions of cities often give rise to very large populations of urban pigeons Columba livia f. domestica, which can cause local health and heritage problems due to accumulations of their droppings. Estimating the [...]![]()
Article
J. Arizaga, Auteur ; I. Tamayo, AuteurUsing ring recovery data from the EURING databank, the aims of this study were: (1) to identify the chief migration and wintering areas of white-throated bluethroat European subspecies, L. s. namnetum, L. s. cyanecula and L. s. azuricollis, (2) [...]![]()
Article
F. Campos, Auteur ; M. Hernandez, Auteur ; J. Arizaga, Auteur ; R. Miranda, Auteur ; A. Amezcua, AuteurA discriminant function was developed for sex differentiation of Corn Buntings Miliaria calandra wintering in northern Spain. The function, y = 0.136A + 0.288W- 26.837, where A is wing length in mm and W is body weight in g, gives positive value[...]



