Author(s): A. Mahmoud and M. El-Tom
Article publication date: 1985-09-01
Vol. 3 No. 2 (yearly), pp. 187-202.
181
Keywords
Jeddah, biology, vegetation
Abstract
Hammada elegans, Suaeda monoica, Salsola tetrandra, Rhazya stricta and Dipterygium glaucum form important communities in the Jeddah-Makkah region. Climatic aridity, altitudinal moisture gradients, extensive grazing and competition all contribute to the pattern of distribution, structure and composition of the vegetation