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The Knysna estuary
(34°5' S;
23°4' E)
is situated near the coastal town of the same name in the Western Cape. The river is approximately 60 km long with a catchment area of 525 sq. km. About 28% of the Knysna catchment was under agriculture and this mainly comprised commercial forestry, improved grasslands and temporary commercial irrigated agriculture. The catchment did not appear to be degraded with 69% being natural, mostly forest, bushland, shrubland and the Knysna estuary itself (waterbodies). About 3% of the catchment was urban and comprised mainly residential, commercial and industrial development associated with the coastal town of Knysna. Some smallholdings were also present.
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