Abstract

Woodland vegetation in the Asir mountains of south-western Saudi Arabia was quantitatively surveyed to delineate development patterns associated with topography and elevation. Two tree species and five shrubs dominate the woody vegetation in the juniper woodlands. Plant densities are generally higher in the lower elevations and on south-west and west-facing slopes. Species segregate on the basis of ecological importance depending on slope aspect, elevation, and human impact through wood gathering and grazing activities especially on plateau sites. Regeneration is suppressed with concomitant reduction in species diversity and tree size class distribution.

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