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- Melly, Brigitte L., et al. Show all 3 Authors
- Journal of arid environments 2017 v.141 pp. 34-39
- bedrock; clay; dry environmental conditions; eolian deposits; evapotranspiration; geomorphology; groundwater; rain; sandstone; semiarid zones; vegetation types; wetlands; South Africa
- ... This research demonstrates the importance of “perches”, a hard, impermeable sub-surface layer, for ephemeral wetland development in a semi-arid area. Over 1700 wetlands were identified in the Nelson Mandela Bay Municipality (NMBM), Eastern Cape, South Africa. The average wetland density in the Municipality is approximately nine wetlands per 10 km2. This density is high considering the climate of t ...