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Determination of the contact zones between the distribution of Vipera aspis and Vipera seoanei in Alava Determinacion de areas de contacto distributivo entre Vipera aspis y Vipera seoanei en Alava


Determination of the contact zones between the distribution of Vipera aspis and Vipera seoanei in Alava Determinacion de areas de contacto distributivo entre Vipera aspis y Vipera seoanei en Alava



Estudios del Museo de Ciencias Naturales de Alava 20: 155-162



With some caution, the distribution areas and contact zones between the two species of the genus Vipera present in the province of Alava are established. This point has been previously dealt with for the whole of the Autonomous Basque Community. but with a more general approach. Vipera aspis occupies southern and central Alava, and its distribution reaches the western sector of the Llanada Alavesa. seoanei lives in the northern third of the province, as well as in the eastern Llanada Alavesa as for south as the elevations of the Monies de Vitoria. A marked spatial segregation is observed, which gives place to a narrow contact zone between these species. There are two areas where this segregation seems to be more imprecise: the Sierra de Guibijo and the southeastern part of the Llanada Alavesa.

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Related references

Determinacion de areas de contacto distributivo entre Vipera aspis y Vipera seoanei en Alava. Estudios del Museo de Ciencias Naturales de Alava 2006); 20: 155-162, 2006

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