Eastern Temperate Freshwater Wetlands

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Eastern Temperate Freshwater Wetlands are an azonal freshwater wetland vegetation type occurring mainly in the eastern interior of South Africa. Classified as unit AZf 3 in the national vegetation map, these wetlands are associated with valley bottoms, floodplains, pans, and poorly drained depressions across parts of Gauteng, Mpumalanga, Free State, and KwaZulu-Natal.[1]

The vegetation is dominated by hydrophilic grasses, sedges, and rushes adapted to seasonal or permanent waterlogging. Common species include Phragmites australis, Typha capensis, and various Cyperus and Juncus species. These wetlands provide habitat for amphibians, waterbirds, and aquatic invertebrates, and play an important role in flood attenuation and water purification.[2]

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