Resumen

MELLINK, Eric. El límite sur de la región mediterránea de Baja California, con base en sus tetrápodos endémicos. Acta Zool. Mex [online]. 2002, n.85, pp.11-23. ISSN 2448-8445.

To determine the southern limit of the mediterranean region in Baja California I analized the distribution of most tetrapods that breed in the area. I concluded that the limit of this community coincides with Arroyo del Rosario (aprox. 30º Lat. N), although mediterranean taxa begin to dissapear since Arroyo de San Telmo (Aprox. 30°57' Lat. N). Some desert species come in from the south and reach as far north as Ensenada (31°52' Lat. N). So, this area is largely a transitional zone. Of all tetrapods that breed in the area, 4 species and 54 subspecies are endemic to the American mediterraneum (Baja California and California, U.S.A.), and several of these are insular.

Palabras llave : Baja California; mediterraneum; endemic tetrapods.

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