Economic Importance of Goods and Services Derived from Dryland Ecosystems in the IGAD Region

A 2010 study by the International Conservation Union.
Drylands—lowlands with arid, semi arid, or dry sub-humid climates constitute about 80 percent of the area of the seven East African countries (Djibouti, Eritrea, Ethiopia, Kenya, Somalia, Sudan, and Uganda) in the Intergovernmental Authority on Development (IGAD). These drylands are home to almost 70 million residents, most of whom practice a pastoral way of life or live in small urban centers.

PDF