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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/2100

Title: Limnology of the Touw River floodplain
Authors: Allanson, BR
Whitfield, AK
Keywords: Estuaries
Touw river
Issue Date: Dec-1983
Publisher: Cooperative Scientific Programmes, CSIR
Citation: Allanson, BR and Whitfield, AK. 1983. Limnology of the Touw River floodplain. Cooperative Scientific Programmes, CSIR, SANSP Report 79, Dec 1983, pp 40
Series/Report no.: South African National Scientific Programmes
Abstract: This report is the summary of a larger two-volumed work originally presented to the Coastal Lakes Working Group in 1981. The floodplain is in essence a series of small, shallow lakes, running in an east-west direction between the village of Sedgefield in the east and Wilderness in the west. They have been formed by segmentation of an earlier barrier lagoon associated with the Touw River. They have kept their connection with the Touw River estuary and so form part of its floodplain. The physical and chemical structure of the lakes is dominated by tidal influence when the estuary mouth is open and by erratic flooding of the Touw River and the Duiwe River, the latter flowing into Eilandvlei and which during floods is responsible for marked but short-lived pulses of phosphate and nitrate derived from agricultural activity on the upland catchment. Normally the lakes are pristine and constitute, together with their associated reed covered margins, an important wetland for a variety of animal forms, particularly birds. The aesthetic quality of this coastal region and the floodplain is under threat by the demands of human activity associated with urban development.
URI: http://hdl.handle.net/10204/2100
ISBN: 0 7988 2962 1
Appears in Collections:South African national scientific programmes
General science, engineering & technology

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