La entidad geográfica de las islas bajas canarias

1988 
RESUMEN - RESUME - ABSTRACT Las "islas bajas" son unidades de paisaje dotadas de unos rasgos topograficos, climaticos, vegetales y antropicos peculiares que les confieren personalidad propia en los conjuntos insulares canarios, Responden a una reanudacion Cuaternaria de la actividad eruptiva en macizos antiguos y dorsales volcanicas, Atendiendo a la forma de su planta, genesis y evolucion se establece una clasificacion tipologica de las mismas. * * * L 'entite geographique des "iles baisses" de Canarias ,- Les "iles baisses" sont des unites de paysage, douees de traits topographiques, morphologiques, climatiques, vegetaux et anthropiques particuliers; ceux-ci leur conferent une personalite propre dans les conjoints insulaires canariens. I1s repondent a une reprise quaternaire de l'activite eruptive dans les massifs antiques et les dorsales volcaniques. Considerant la forme de sa plante, son origine et evolution, on etablit une classification typologique. * * * Geographical entity of the canarian "low islands " .- The "low islands" are landscape units characterized by some peculiar topographic, morphologic, climatic, vegetal and anthropic features which give them a spcial personality among the canarian landscape units. They have been originated by a reactivation of the quaternary eruptive activity in old massifs and volcanic ridges. A typology of the low islands based on their shape, genesis and evolution is established. PALABRAS CLAVE: Plataforma lavica costera, macizo antiguo, dorsal volcanica, reactivacion eruptiva, volcanismos pleistoceno. MOTS CLES: Plate-forme volcanique cotiere, massif ancien, dorsal volcanique, reactivation eruptive, vulcanisme pleistocene. KEY WORDS: Volcanic coast platform, old massif, volcanic ridge, eruptive reactivation, pleistocenes volcanoes.
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