Ecological Impact of Water Hyacinth on the Northen Tip of Lake Tana

This books is about the ecological impact of water hyacinth (Eichhornia crassipes) on lake tana Ethiopia the weed quickly becomes invasive, colonizing slow moving waters resulting in thick and extensive mats which degrade aquatic ecosystems and limit their utilization . The negative impacts of water hyacinth are due to its dense, impenetrable mats which restrict access to water.It is also demonstrated that among the aquatic plants. Water hyacinth can cause economic, environmental disaster and is difficult to control .Besides suppressing the growth of native plants and negatively affecting microbes, water hyacinth prevents the growth and abundance of phytoplankton under large mats, ultimately affecting fisheries . This is because fish feed on phytoplankton.