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There are 17 countries in the Middle East that the magority of this regions are situated in Asia. As a result of tendency towards new developments, industrialization and the existance of petroliun1 in the persian Gulf countries, there are many
foreign workers employed in this region.
In the Middle East, arid regions are more than semi-arid and semi-humid regions, which means the aridity in this region is intesified . The growth of pouplation and socio-economic problems aggravate the desertification.
Becouse of extreme aridity, it decreases phenology and
causes the existence of ephemeral vegatation.
Considering the variety of the arid soils, the soil profile is not complete and not sufficient nutritive componoents. However, conservation measures and prevention of erosion for such soils with lead to better plants production.
In order to plan, control, supervise through the
establishment of regional centers and the network of natural reserves are essential. The aim of this research is to show and explain the charachteristics and the importance of Enviromental condition in the Middle East countries.