• Origin of the enigmatic, circular, barren patches ('Fairy Rings') of the pro-Namib 

      Albrecht, C. F.; Joubert, J. J.; De Rycke, P. H. (Academy of Science of South Africa, 2001)
      We have studied the enigmatic, circular, barren patches on the edge of the pro-Namib Desert in Namibia. An aerial photograph of the Wolwedans area (25°4.5′S, 15°59.5′E) showed that the patches had an average diameter of ...