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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.
Water Hyacinth in Ithezhi Tezhi dam. Source: Environmental Council of Zambia.
12 August 2011
12 Jul 2005
14 Jun 2009
30 Sep 2000
© Environmental Council of Zambia