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  • Morocco tops the 20 million mark
  • Mark och vattenvard i sodra Afrika. (Protection des sols et de l'eau en Afrique australe)
  • An analysis of trends : the concentrations of fungal spores : the Cape Town atmosphere reveals a marked seasonality in Alternaria concentrations.
  • and the switch to interglacial conditions at about 12,000 yr B.P. The record also covers the period of maximum rainfall in East Africa, 9 000 to 5 000 yr B.P., a time marked by high lake levels.
  • Since 1950, the Group Areas Act provides for the setting aside of separate areas for each of the groups defined in the Registration Act. Group-area proclamations 1953-1989 have been subject to marked variations as the priorities of the government
  • ) and are designated as Early and Late African respectively. Since Miocene a post-African pediplain formation begins which marks the epoch of global pediplanation. The process proceeded along with erosion and alluviation in river valleys. Early Africain surface
  • to a marked rise in lake level. The lake waters were considerably fresher than today allowing expansion of both fauna and flora, and may periodically have overflowed northwards into the Baringo sub-basin. Further fluctuations occured throughout the Holocene