Fundamentals of Aquacultural Engineering
Thomas B. Lawson
Springer Science & Business Media, Dec 31, 1994 - Science - 364 pages
Aquaculture is the science and technology of balanced support from the biological and engi producing aquatic plants and animals. It is not neering sciences. However, commercial aqua new, but has been practiced in certain Eastern culture has become so complex that, in order to cultures for over 2,000 years. However, the role be successful, one must also draw upon the ex of aquaculture in helping to meet the world's pertise of biologists, engineers, chemists, econ food shortages has become more recently ap omists, food technologists, marketing special parent. ists, lawyers, and others. The multidisciplinary The oceans of the world were once consid approach to aquaculture production became ap ered sources of an unlimited food supply. Bio parent during the early 1990s. It is believed that logical studies indicate that the maximum sus this trend will continue as aquaculture produc tainable yield of marine species through the tion becomes more and more intensive in order for the producer to squeeze as much product as harvest of wild stock is 100 million MT (metric tons) per year. Studies also indicate that we are possible out of a given parcel of land. rapidly approaching the maximum sustainable Although many aquaculture books exist, few yield of the world's oceans and major freshwa explore the engineering aspects of aquaculture ter bodies. Per capita consumption of fishery production.
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aeration alkalinity ammonia aquaculture aquaculture systems bacteria biofilter biological bottom Boyd bubbles cage farm calculated carbon channel catfish chlorine concentration constructed crawfish culture unit culture water density diameter discharge dissolved oxygen efficiency English units Equation Example problem factor feed fish ponds float flow rate flowmeter fluid foam fractionation fraction freshwater head loss Huguenin and Colt impeller increase levees material maximum measure meters method mg/L nitrifying bacteria nitrite Nitrobacter nitrogen Nitrosomonas operating organic oxidation oxygen transfer ozone paddle particles phytoplankton pipe pressure pump pure oxygen raceway rainbow trout recirculating systems removal rotating salinity sand filters saturation screen seawater sedimentation shown in Figure side slopes soil solids Source species submerged surface area Table tanks tilapia tion toxic tube Tucker and Robinson types velocity vertical wastes water depth water exchange water flow water quality water temperature Watten weir Wheaton
Page 330 - Standard Methods for the Examination of Water and Wastewater, 15th ed. Washington, DC: American Public Health Association (1980). 12. Dickson, DN. "The Effectiveness of Biodegradation in the Removal of Acid Dyes and Toxicity from Carpet Dyeing Wastewater," MS Thesis, Georgia Institute of Technology (1981).
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Sustainability and Management of Aquaculture and Fisheries
Har Darshan Kumar
No preview available - 2003