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Collected on 17 September 2026
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Drinking-water quality criteria with special reference to the South African experience
A journal article in Water SA Vol. 15 No. 3, July 1989, by Pieterse MJ, available to view as a PDF or download from the issue page.
- Who it is for
- Water SA readers and researchers
- How to act on it
- Open the Water SA Vol. 15 No. 3, July 1989 issue page and select View PDF or Download next to the article.
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View PDF — Drinking-water quality criteria with special reference to the South African experience
A computer code for the calculation of the relative transmissivity distribution in an aquifer for steady state ground-water levels
A journal article in Water SA Vol. 15 No. 3, July 1989, by van Tonder GJ, available to view as a PDF or download from the issue page.
- Who it is for
- Water SA readers and researchers
- How to act on it
- Open the Water SA Vol. 15 No. 3, July 1989 issue page and select View PDF or Download next to the article.
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View PDF — A computer code for the calculation of the relative transmissivity distribution in an aquifer for steady state ground-water levels
The use of a red strain of the sharptooth catfish Clarias gariepinus (Burchell) in the evaluation of cannibalism amongst juveniles of this species
A journal article in Water SA Vol. 15 No. 3, July 1989, by Prinsloo JF, Schoonbee HJ and Theron J, available to view as a PDF or download from the issue page.
- Who it is for
- Water SA readers and researchers
- How to act on it
- Open the Water SA Vol. 15 No. 3, July 1989 issue page and select View PDF or Download next to the article.
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View PDF — The use of a red strain of the sharptooth catfish Clarias gariepinus (Burchell) in the evaluation of cannibalism amongst juveniles of this species
Production studies with the red and normal varieties of the sharptooth catfish Clarias gariepinus (Burchell) using a mixture of minced fish, bakery-floor sweepings and a formulated pelleted diet
A journal article in Water SA Vol. 15 No. 3, July 1989, by Prinsloo JF, Schoonbee HJ and van der Walt IH, available to view as a PDF or download from the issue page.
- Who it is for
- Water SA readers and researchers
- How to act on it
- Open the Water SA Vol. 15 No. 3, July 1989 issue page and select View PDF or Download next to the article.
Show the line this came from
View PDF — Production studies with the red and normal varieties of the sharptooth catfish Clarias gariepinus (Burchell) using a mixture of minced fish, bakery-floor sweepings and a formulated pelleted diet
Sewage purification in South Africa - Quo Vadis?
A journal article in Water SA Vol. 15 No. 3, July 1989, by Wiechers HNS, available to view as a PDF or download from the issue page.
- Who it is for
- Water SA readers and researchers
- How to act on it
- Open the Water SA Vol. 15 No. 3, July 1989 issue page and select View PDF or Download next to the article.
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View PDF — Sewage purification in South Africa - Quo Vadis?
A semi-automatic method to quantify and identify zooplankton
A journal article in Water SA Vol. 15 No. 3, July 1989, by Howard MR and Van Ginkel CE, available to view as a PDF or download from the issue page.
- Who it is for
- Water SA readers and researchers
- How to act on it
- Open the Water SA Vol. 15 No. 3, July 1989 issue page and select View PDF or Download next to the article.
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View PDF — A semi-automatic method to quantify and identify zooplankton
Flow-injection analysis of substances in water. Part 2. Cations. A critical review
A journal article in Water SA Vol. 15 No. 3, July 1989, by van Staden JF, available to view as a PDF or download from the issue page.
- Who it is for
- Water SA readers and researchers
- How to act on it
- Open the Water SA Vol. 15 No. 3, July 1989 issue page and select View PDF or Download next to the article.
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View PDF — Flow-injection analysis of substances in water. Part 2. Cations. A critical review
Short communication: Notes on a comparison of the catchability and growth of a red and normal variety of the sharptooth catfish Clarias gariepinus (Burchell) stocked together in fish production ponds
A journal article in Water SA Vol. 15 No. 3, July 1989, by Prinsloo JF and Schoonbee HJ, available to view as a PDF or download from the issue page.
- Who it is for
- Water SA readers and researchers
- How to act on it
- Open the Water SA Vol. 15 No. 3, July 1989 issue page and select View PDF or Download next to the article.
Show the line this came from
Short communication: Notes on a comparison of the catchability and growth of a red and normal variety of the sharptooth catfish Clarias gariepinus (Burchell) stocked together in fish production ponds
Facts
Reference
https://www.wrc.org.za/water-sa-issue/15-no-3-july-1989/
Key Takeaways
- Water Research Commission
- Water SA Vol. 15 No. 3, July 1989
- July 1, 1989
- 9 articles
- All Water SA issues
- View PDF
- Download
- Water Research Commission
- Water SA
- Howard MR
- Van Ginkel CE
- Wiechers HNS
- van Tonder GJ
- van Staden JF
- Pieterse MJ
- Prinsloo JF
- Schoonbee HJ
- Theron J
- van der Walt IH