Hydrological information and techniques to support the determination of the water quality component of the ecological reserve for rivers

Land based effluent disposal and use: Development of guidelines and expert systems-based decision support

The entropy theory as a tool for modeling and decision-making in environmental and water resources

A lack of genetic variation in commercially bred Nile crocodiles (Crocodylus niloticus) in the North-West Province of South Africa

Allozyme variation in Chiloglanis paratus and C. pretoriae (Pisces, Mochokidae) from the Limpopo River system, Southern Africa

The effect of waterborne fluoride on the egg production of laying hens

Effect of pretreatment on the biosorption of heavy metals on Mucor rouxii

Utilisation of nutrient-enriched wastewater from aquaculture in the production of selected agricultural crops

Estimating daily flow duration curves from monthly streamflow data

Rapid communication: The 1998 production and status of aquaculture in South Africa