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Browsing by Author "Pieterse, AJH"

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  • Cowling, RM; Roux, PW; Pieterse, AJH (National Scientific Programmes Unit: CSIR, 1986)
    This report, the first of three volumes, forms part of the Karoo Biome Project. One of the aims is to synthesize existing knowledge of the Karoo biome and so provide a foundation for further research in areas where it is ...
  • Shillinglaw, SN; Pieterse, AJH (1977)
    A dense algal population is of primary importance in sewage maturation ponds for the removal of plant nutrients, especially ammonia and orthophosphate. In the Republic of South Africa and in South West Africa sudden algal ...