The Negev Desert of Israel and Other Hot Deserts of the World: Classification According to Quantities, Distribution and Seasons of Rain. Their Influences on the Germination of Desert Plants
According to the average amount of annual rainfall Zohary (1962), followed by Blair (1942), classified Israel into three vegetative zones: (1) 1000-400 mm — subhumid zone; (2) 400-200 mm — semi-arid zone; (3) 200-25 mm — arid zone. These zones coincide more or less with the plant geographical divisions. The Negev is in the third category of the arid zone of Israel, with Beer Sheva in the north (31° 14′N,34°48′E) receiving 200 mm of rain, Sede Boker (30°51′N, 34°46′E) 100 mm and, in the south, Eilat (29°33′N,34°57′E) receiving 25 mm.
KeywordsClay Depression Germinate Stratification Gravel
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