South African scientists use bugs in war against water hyacinth
View of boats stuck in a sea with invasive green water hyacinth weed at the Hartbeespoort Dam. Shafiek Tassiem/Reutersnorth-west of Johannesburg used to be brimming with people enjoying scenic landscapes and recreational watersports. Now, the visitors are greeted to the sight of boats stuck in a sea of invasive green water hyacinth weed.
Nutrients in the pollutants act as perfect fertilisers for the weed, a big concern for nearby communities due to its devastating impact on livelihoods. Scientists and community members have, however, found a unique way to deal with the invasion by introducing a water hyacinth-eating bug called Megamelus scutellaris.
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