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The Kobonqaba estuary
(32°36' S;
28°29' E)
is situated on the Transkei coast of the Eastern Cape, south of Port St Johns. This system drains a catchment area of approximately 321 sq. km. Agriculture accounted for 32% of the land-cover in the Kobonqaba catchment and this mainly comprised subsistence farming with some commercial forestry and temporary commercial dryland agriculture. About 15% of the catchment was degraded grassland while approximately 51% was natural, consisting mainly of grassland, bushland, forest and woodland, and forest. Residential (rural) development accounted for about 2% of the catchment land-cover.
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