Water hyacinth, native to South America, is described as the world’s worst aquatic weed. It thrives in nutrient-enriched waters like Hartbeespoort Dam, forming dense impenetrable mats that affect boating, fishing and water sport activities and harms aquatic biodiversity. (Delwyn Verasamy/M&G)
The tiny planthoppers are biological control agents and natural enemies of the world’s worst aquatic weed
This content is restricted to subscribers only.
Join the M&G Community
Our commitment at the Mail & Guardian is to ensure every reader enjoys the finest experience. Join the M&G community and support us in delivering in-depth news to you consistently.
Subscribe
Subscription enables:
- - M&G community membership
- - independent journalism
- - access to all premium articles & features
- - a digital version of the weekly newspaper
- - invites to subscriber-only events
- - the opportunity to test new online features first
Already a subscriber?
Login here.