Little thought has been given to threats facing plant diversity in this area where many wild plants still exist in their refuge sites in valleys （wadis）, the study area harboring most of the endemic species in the z...Little thought has been given to threats facing plant diversity in this area where many wild plants still exist in their refuge sites in valleys （wadis）, the study area harboring most of the endemic species in the zone, and there are substantial maquis vegetation still remaining. Many plants species in this region have medicinal properties that give them scientific and commercial value. However, the wildlife species are gradually disappearing as a result of damaging and excessive resource exploitation the consistency of the irresponsible and inattentive activities, such as over grazing, ploughing, land reclamation, urbanization, mining, forest fires, over collecting and charcoal production cause damage to several habitats, communities disturbance as a result of that, hundreds of species are threatened with disappearance where many are at the brink of extinction. Also, the anthropogenic pressure accelerates Aeolian soil erosion and destroys the soil seed bank.展开更多
文摘Little thought has been given to threats facing plant diversity in this area where many wild plants still exist in their refuge sites in valleys （wadis）, the study area harboring most of the endemic species in the zone, and there are substantial maquis vegetation still remaining. Many plants species in this region have medicinal properties that give them scientific and commercial value. However, the wildlife species are gradually disappearing as a result of damaging and excessive resource exploitation the consistency of the irresponsible and inattentive activities, such as over grazing, ploughing, land reclamation, urbanization, mining, forest fires, over collecting and charcoal production cause damage to several habitats, communities disturbance as a result of that, hundreds of species are threatened with disappearance where many are at the brink of extinction. Also, the anthropogenic pressure accelerates Aeolian soil erosion and destroys the soil seed bank.
