الفهرس | Only 14 pages are availabe for public view |
Abstract Egypt is divied into seven phytogeographical regions Mediterrancan. Red sea, Nile valley. Sinai oases . Descrt and gebel Elba (Hassib. 1951. Montasir. 1954). Each of these regions characterised by certain ecosystemes e.g. salt marshes. sand formation. desert wadis. plateau gravel descret and mountions. |