Arid Lands: A Geographical AppraisalEdwin Sherbon Hills |
Contents
Arid Lands and Human Problems | 1 |
The Worlds Arid Areas | 15 |
Arid Zone Meteorology | 31 |
Copyright | |
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Common terms and phrases
Acacia Acacia raddiana adaptation Africa agricultural alluvial alluvial fan animals annual arid and semi-arid arid areas arid lands arid regions arid zone Arid Zone Research artesian Artesian Basin arthropods Australia barchans basins Bedouin breeding camels cattle cent changes cisterns clay climate countries crop cultivation cultural deposits depth desert drainage dunes East ecological economic effects environment ephemerals erosion evaporation evapotranspiration example factors farming favourable fodder forest goats grassland grazing groundwater habitat heat humid important increase irrigation land-use landforms layer limited livestock lizards maize metres moisture natural Negev nomadic oases occur Palmatogecko Paris pasture perennial periods Photo plant growth population possible problems production qanat rain rainfall range river rock Sahara saline salt sand savannah season sedentary semi-arid semi-arid lands sheep sodium soil southern Southern Rhodesia species stream Sudan surface temperature tion trees types Unesco valley vegetation weathering wind winter