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The Msikaba estuary
(31°18' S;
29°58' E)
lies north of the coastal town of Port St Johns on the Transkei coast of the Eastern Cape. This system drains a catchment area of approximately 1 011 sq. km. Agriculture accounted for about 34% of the catchment land-cover in the Msikaba system. Most of this was subsistence farming with a little commercial forestry also present. About 8% of the catchment was degraded, comprising mainly degraded grassland, forest, and bushland. Approximately 56% of the Msikaba catchment was natural, mainly grassland and bushland with some forest. Roughly 2% of the land-cover comprised residential (rural) development.
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