Man-made Lakes: Proceedings

acres Africa algal anglers aquatic average barrage basin benthos biological biologists bottom breeding Brokopondo catches changes chemical closure conservation construction cost depth downstream draw-down Eastern Scheldt ecological economic effects engineers England Engrs estuaries example factors fauna fish population fishermen fishery flooding flow freshwater Ghana growth hydro-electric hydrobiological important impoundments increase Instn Wat inundation Jebel Auliya Kainji Lake Kariba Lake Volta man-made lakes ment migrants miles million Morecambe Bay Niger Nile occur onchocerciasis organisms outdoor recreation oxygen period plankton plants pollution ponds possible present problems production Report reservoir resettlement result river water salinity salmon Salvinia Salvinia auriculata scheme season Simulium smolts Solway spawning species storage surface Suriname River survey temperature thermocline Tilapia tion Tonga tropical trout turbines vegetation Volta Lake Volta River Wadi Halfa water level water supply water weeds Zambezi Zambia zooplankton Zuider Zee