Abstract
Ancient trees abundance has been compared with distribution of threatened forest vertebrate species at the province of Salamanca (Spain). A significant correlation between both parameters has been observed for the following considered species: imperial eagle (Aquila adalberti), black vulture (Aegypus monachus), iberian lynx (Lynx pardinus), red kite (Milvus milvus) and a group of forest bats (Miniopterus schreibersii, Myotis bechsteinii, Myotis emarginatus, Myotis mystacinus, Myotis myotis, Nyctalus lasiopterus, Nyctalus noctula, Rhinolophus euryale, Rhinolophus ferrumequinum y Rhinolophus mehelyi). It has been proved that there is an increase of threatened forest vertebrates biodiversity along with increasing ancient trees density at the municipalities of the province. Therefore, we can deduce that ancient trees density is a good indicator parameter of the conservation status of the forest ecosystem and it is essential for the maintenance of these endangered species.
Highlights
La provincia de Salamanca cuenta con una superficie forestal de 533.384 hectáreas, donde el hábitat de las dehesas está muy bien representado, suponiendo 320.808 hectáreas (Prieto et al, 1999; Villanueva, 2005)
Ancient trees abundance has been compared with distribution of threatened forest vertebrate species at the province of Salamanca (Spain)
A significant correlation between both parameters has been observed for the following considered species: imperial eagle (Aquila adalberti), black vulture (Aegypus monachus), iberian lynx (Lynx pardinus), red kite (Milvus milvus) and a group of forest bats (Miniopterus schreibersii, Myotis bechsteinii, Myotis emarginatus, Myotis mystacinus, Myotis myotis, Nyctalus lasiopterus, Nyctalus noctula, Rhinolophus euryale, Rhinolophus ferrumequinum y Rhinolophus mehelyi)
Summary
La provincia de Salamanca cuenta con una superficie forestal de 533.384 hectáreas, donde el hábitat de las dehesas está muy bien representado, suponiendo 320.808 hectáreas (Prieto et al, 1999; Villanueva, 2005). En el presente estudio se ha relacionado la densidad de árboles viejos centenarios con la distribución y presencia de vertebrados forestales amenazados en la provincia de Salamanca. Se ha pretendido averiguar si los árboles viejos constituyen una de las variables de las que depende la presencia de dicha fauna amenazada. En tal caso, a los árboles viejos como indicador de la calidad del hábitat forestal y de la biodiversidad (Lindenmayer et al, 2000)
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