Publications Water SA

 

Volume 23   No 2  April 1997
Table of Contents

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  • The effect of dredging on light penetration in the Boro River, Okavango Delta, Botswana, from 1972 to 1975.  PE Reavell ..... [abstract]

  • The fluvial dynamics of the Maunachira channel system, northeastern Okavango Swamps, Botswana.  TS McCarthy and WN Ellery ..... [abstract]

  • Water demand and population growth.  CF Schutte and WA Pretorius ..... [abstract]

  • Preliminary empirical models to predict reductions in total and low flows resulting from afforestation.  David F Scott and RE Smith ..... [abstract]

  • Borehole dilution experiment in a Karoo aquifer in Bloemfontein.  Y Xu, GJ van Tonder, B van Wyk, E van Wyk and B Aleobua ..... [abstract]

  • Dividing-flow manifold calculations with a spreadsheet.  WA Pretorius ..... [abstract]

  • Two-phase anaerobic digestion of three different dairy effluents using a hybrid bioreactor.  JP Strydom, TJ Britz and JF Mostert ..... [abstract]

  • Operation of anaerobic digesters at increased solids concentrations.  Naidoo V, Pillay VL, Senior E and Buckley CA ..... [abstract]

  • The need for guidelines to bridge the gap between ideal drinking-water quality and that quality which is practically achievable and acceptable.  Phillip L Kempster, Henk R van Vliet and Anneli Kühn ..... [abstract]

  • Evaluation of a number of methods for the determination of trace amounts of phosphates with flow injection analysis (FIA).  JF van Staden and J van der Merwe
  • Allozyme differences between populations of chubbyhead barb (Barbus anoplus Weber, 1897) and Marico barb (B. motebensis Steindacher, 1894).  JS Engelbrecht and FH van der Bank ..... [abstract]

  • Partial replacement of fish meal with either soybean meal, brewers yeast or tomato meal in the diets of African sharptooth catfish Clarias gariepinus. LC Hoffman, JF Prinsloo and G Rukan ..... [abstract]

  • The use of Aspergillus niger (Strain 4) biomass for lead uptake from aqueous systems.  A Meyer and FM Wallis ..... [abstract]
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