Lake Naivasha - The Vetiver Network International

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Silt and eutrophic bloomIntensive high input agricultureEast end of Lake Naivasha near Crescent Island showing eutrophic bloom and silt effecton lake water. Crescent Island Lake is clean. On-land effluent discharge to lake isfrom intensive high input farms and nearby Lake Naivasha township.
THE VETIVER SYSTEM COULD BE AN IMPORTANTCOMPONENT OF THE TECHNICAL SOLUTION1. The Vetiver System (VS) would:2. Reduce flooding by slowing down rainfall runoff in Malewaand Gilgil river catchment area3. Reduce erosion in the catchment area4. Trap sediment on lakeshore floodplains5. Reduce chemical pollutant inflow from flower industry, highinput agriculture, and Naivasha town6. Improve groundwater and related ground water inflows torivers and streams
Page 1: LAKE NAIVASHAA Lake in TroubleA Pos
Page 4 and 5: ABERDARESApproximate farmed catchme
Page 8 and 9: WHAT IS THE VETIVER SYSTEM?The Veti
Page 10 and 11: SILT INFLOW REDUCTION TO LAKERiver
Page 12 and 13: 2mThis 30 year old Vetiver hedgerow
Page 14 and 15: Vetiver grass hedgerowsVetiver hedg
Page 16 and 17: Catchment point source erosioncontr
Page 18 and 19: VS for Flood PlainsLeft: Gilgil Riv
Page 20 and 21: Upper Catchment Ground WaterRecharg
Page 22 and 23: Ground water recharge 2. Wetland Re
Page 24 and 25: Pollution ControlVetiver hedgerows
Page 26 and 27: Design for a small Vetiver wetland
Page 28 and 29: Pollution control - Results
Page 30 and 31: Is this solution possible? YESIt is

Lake Naivasha - The Vetiver Network International

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