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The Mgeni estuary
(29°48' S;
31°2' E)
is situated near the coastal city of Durban in KwaZulu-Natal. The river is approximately 232 km long with a catchment area of 4 432 sq. km. Approximately 37% of the Mgeni catchment was under agriculture, consisting mainly of commercial forestry, sugar cane and subsistence farming with some temporary commercial dryland agriculture, temporary commercial irrigated agriculture, and improved grassland also present. About 3% of the catchment consisted of degraded bushland and shrubland. Approximately 52% of the Mgeni catchment was natural and comprised grassland, bushland, and forest. A number of impoundments (Inanda Dam, Nagle Dam, Albert Falls Dam and Midmar Dam) also occur in the catchment. Roughly 8% of the catchment land-cover was urban, mostly residential, industrial, and commercial development associated with the cities of Durban at the coast and Pietermaritzburg inland.
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