Tilapia now SA’s own bio-indicator of water pollution Southern African water specialists can now use a local Tilapiine species – instead of alien fish species – to test whether water sources are polluted by compounds that can cause hormonal imbalances. Such chemicals can subtly mimic the female hormone oestrogen and alter the male hormone testosterone, […]
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The Olifants River in Mpumulanga is highly contaminated, researchers say. Microbiologist at the Council for Scientific and Industrial Research (CSIR), Martella du Preez, said all the sites along the river showed mild to heavy microbial contamination most likely due to untreated, or poorly-treated, sewage flowing into it. “People using untreated water from these contaminated sites […]
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