Abstract
LAKE NGAMI has played a conspicuous part in the discussion whether South Africa is undergoing a progressive desiccation which threatens its whole future, or whether the climatic changes that have happened are temporary fluctuations. The late Prof. Schwarz, during his ten years' work on the Geological Survey of Cape Colony, realised the extent to which some parts of the country have been impoverished by drought. He devoted himself to the question of how this alarming process could be checked, and in 1918 published his well-known scheme for the diversion of water from the Zambezi into the great depressions of Lake Ngami and the western Kalahari.
The Kalahari and its Native Races: being the Account of a Journey through Ngamiland and the Kalahari, with a Special Study of the Natives in that Area.
By Prof. E. H. L. Schwarz. Pp. 244 + 24 plates. (London: H. F. and G. Witherby, 1928.) 16s. net.
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South African Desiccation and the Bushmen. Nature 123, 158 (1929). https://doi.org/10.1038/123158a0
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DOI: https://doi.org/10.1038/123158a0