Arid Zone Research, Issue 17UNESCO, 1961 - Arid regions |
Contents
Acknowledgements | 16 |
The role of the tropics in the general circulation | 26 |
pluvials and interpluvials | 35 |
Copyright | |
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acres agriculture alluvial Amu Darya ancient animals archaeological arid lands arid regions arid zone Asia Baluchistan barley basin breeding canals cattle cent Central centres century B.C. climate cotton crops cultivation culture dams delta deposits desert domestication drought early East ecological economic Egypt erosion farmers farming fertile fields flood foggaras forest goats grazing groundwater Harappa herds humid important increase India Indus Iran Iraq irrigation irrigation system Jarmo Karoo Lake maize malaria Mediterranean Mesopotamia millennium B.C. moisture mountains natural Neolithic Nile nomadic northern origin Pakistan pasture period phase plains plants Pleistocene plough pluvial population Potwar precipitation problem produce Punjab rain rainfall Rajasthan range result river Sahara salinity salt sand schistosomiasis season semi-arid settlement sheep soil South Africa southern species steppes stockbreeding Sumer summer supply surface temperature terraces tion trees types Valley vegetation veld western wheat wild winter