Zambezi River Basin

© Environmental Council of Zambia

Water Hyacinth in Ithezhi Tezhi dam. Source: Environmental Council of Zambia.

30 Sep 2000

12 Jul 2005

14 Jun 2009

12 August 2011

The proliferation of the water hyacinth is strongly correlated with the measures to reduce the nutrient loads in the lake. However, the control measures which also included biological and mechanical control, yielded partial success.

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