Summary
The longitudinal succession of physical and chemical water characteristics in the White Nile is described, and some seasonal differences are outlined. Most successional changes are due to tributary contributions, of which the discharge from Lake Albert is particularly important, and to riverain swamps, especially in the south Sudan. Swamp effects include a partial deoxygenation and depletion of phosphate and sulphate, of which the first two vary considerably with season. The origin and extent of changes in plant nutrients, and in physical factors affecting plant growth, are discussed with reference to the growth of planktonic algae in the lower river region.
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Department of Botany and Hydrobiological Research Unit, University College of Khartoum
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Talling, F. The longitudinal succession of water characteristics in the White Nile. Hydrobiologia 11, 73–89 (1957). https://doi.org/10.1007/BF00021009
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DOI: https://doi.org/10.1007/BF00021009