O. M. Shawesh

Quantitative description and ecological investigations of semi-arid rangeland in northwestern Libya were initiated in May 1976. A 25,000 ha livestock exclosure near Assa, some 25 km from the Mediterranean seacoast, was utilized. Average annual precipitation is 138 mm, most occur…

A study was conducted on the Assa Range Management Research Area in the semi-arid rangeland of northwestern Libya in 1976 to obtain quantitative data on the composition and structure of the vegetation types, obtain information on the soil associated with the major vegetation typ…