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The Gqunube estuary
(32°56' S;
28°2' E)
lies just north of the coastal city of East London in the Eastern Cape. The river is approximately 109 km long with a catchment area of 665 sq. km. Only 5% of the Gqunube catchment was under agriculture and this mainly consisted of temporary commercial dryland agriculture, subsistence farming, and commercial forestry. Degraded grassland also contributed little (less than 1%) to the land-cover of the Gqunube catchment. Most of the land-cover was natural (94%) and this comprised mainly thicket and bushland and grassland. There was little (less than 1%) urban development and this primarily consisted of residential development with some industrial development, mainly associated with the coastal town of Gonubie near East London.
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