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handle: 10261/85873
[ES]Se intentan poner de relieve las relaciones existentes entre diversidad especifíca y diversidad paisajistica. Para ello, se trabaja en tres zonas (espacios) bien diferenciados de la provincia de Salamanca (España): la Armuña, la zona típica de dehesas y las estribaciones de la Sierra de Béjar. La metodología incluye, aparte del muestreo de la vegetación y de la sectorización de cada una de las zonas, expresiones de diversidad y sus dos componentes (riqueza y equitabilidad), heterogeneidad, análisis multifactorial y curvas de dominancia-diversidad. Además se propone un nuevo índice para el cálculo conjunto de la diversidad específico-paisajística. Ambas diversidades se encuentran muy relacionadas, aunque la importancia que adquieren sus componentes es distinta. La relacion se aprecia también mediante la heterogeneidad (diversidad β) y la nueva fórmula propuesta, obteniéndose en todos los casos resultados paralelos. El análisis multifactorial de correspondencias y las curvas de dominancia-diversidad, contribuyen a aclarar algunos aspectos relativos a las cifras de diversidad obtenidas.
[EN]An attempt is made to demostrate the relationships between species diversity and landscape diversity. To do so, the work was carried out in three well differentiated zones (spaces) of the province of Salamanca (Spain): the Armuña area, the typical "dehesa" area and the foothills of the Sierra de Béjar. The methodology includes, apart from sampling of the vegetation and the division of the zones into different sectors, diversity expressions and their two components (richness and equitability), heterogeneity, multifactorial analysis and dominance-diversity curves. A new index is also proposed for the joint calculus of the species-landscape diversity. Both diversities are seen to be very closely related, though the importance acquired by their components is different. The relationship is also appreciated through the heterogeneity (diversity β)and through the new formula proposed, obtaining parallel results in all cases. Multifactorial analysis of correspondances and the dominance-diversity curves helps to clarify certain aspects concerning the diversity numers obtained.
13 páginas, 2 figuras
Peer reviewed
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