Zeekoevlei / Rondevlei Rehabilitation Study ... - Southern Waters

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Southern Waters Ecological Research and Consulting Actions required • Annual fish population surveys of Zeekoevlei and Rondevlei, as well as Princess Vlei and the upper and lower reaches of the Zeekoe Canal, and integration of the findings with the results of catch-and-return angling activities. Recommendation 5: 5.1 Artificial stocking of Rondevlei with mullet and/or other desirable fish species may be undertaken. 5.2 Introductions of a wider spectrum of fish species to Zeekoevlei should be undertaken after implementation of the rehabilitation recommended above. 5.3 Catch-and-return fishing activities should be managed through compulsory fish tagging. 5.2 Issues Pertaining to Midges This aspect has been dealt with under the section dealing with drawdowns (Section 4.4.3). 5.3 Issues Pertaining to Faecal Pollution and Bacteriological Water Quality Although the bacteriological water quality, as measured using faecal indicator bacteria, of the rivers draining to Zeekoevlei is exceedingly poor, rapid attrition of the high counts occurs in the vlei itself. This results in the vlei complying, on a seasonal basis, with the guidelines for contact recreation. No appreciable change in the trend of faecal pollution discernible for the past 20 years. Notwithstanding the above, the high counts present in the rivers and the indirect use of Zeekoevlei as a treatment pond for this pollution, is undesirable. Every effort should be made to contain faecal pollution within the catchment to acceptable background levels. Actions required • Catchment level identification and control of all sources of faecal pollution over and above the reasonable background levels deemed acceptable for the landuse type. 26 Zeekoevlei / Rondevlei Rehabilitation Study: Action Plan
Southern Waters Ecological Research and Consulting Zeekoevlei / Rondevlei Rehabilitation Study: Action Plan 27
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Zeekoevlei / Rondevlei Rehabilitation Study ... - Southern Waters

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