The Ecology of Oases |
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agricultural pests Algeria Arab arid artesian Asia barchan Biology Birkbeck College burrows camel-spiders camels caravan route central Sahara century when Tuareg Chihuahuan desert Cicada Colomb-Béchar confined to oases crops cubic metres date palms dead foliage becomes densely cultivated areas desert locusts desert regions domestic animals Dufour ECOLOGY OF OASES edge of oases Egyptian evaporation Faya-Largeau feed fertile foliage becomes incorporated fortress well defended Foulis U.S.A. grown Hoggar human inhabitants insects Isfahan Jebel Marra Khartoum larvae Libya M. J. Chadwick malaria MERROW MONOGRAPH moist mosquitoes mountains Nile valley North Africa North American deserts number of species oases have recently oasis Old World oleander palm trees permanent habitats pests and diseases Population pressure prey Professor of Zoology rainfall exceeds 150 Ribbon-like oases occur richer fauna rivers Sahara scale insect Scarab Scarab beetle scorpions Shendi soil Solifugae spiders stabilized Sudan surrounding desert tamarisk terrorized the desert Tuareg Tunisia wind