The Aïr Mountains of north-central Niger are relatively unspoilt and contain some of the last remaining populations of addax Addax nasomaculatus, ostrich Struthio camelus and dama gazella Gazella dama in in West Africa. The Aïr Mountain are also home for some 5000 Twaregs, half of whom are cultivators and the other half herders. The Aïr and Tùnùrù National Nature Reserve, which was gazetted in 1988, covers more than 77,000 sq km. It was inspired by concern for the region's unique and increasingly threatened wildlife, wcology. The Nigerien Wildlife Service and the IUCN/WWF project that supports the reserve are attempting to reconcile conservation with development through a broadly based programme geared to protection, resoration and sustainable use of the area's natural resources.