Aufwuchs and sediment fouling rates in flow-through aquaria receiving a heated effluent from Upper Galveston Bay, Texas. 7. Annu. Meet. World Mariculture Society; San Diego, CA (USA); 25 Jan 1976


1976 1976 Jan 25


Parker NC
Strawn K

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Developmental rates of the Aufwuchs community on glass slides, plastic and asbestos plates, and sedimentation rates were determined in flow-through aquaria located in a greenhouse. These aquaria, used to culture selected marine and estuarine organisms, were provided with thermally regulated water (either 20, 25, 30, 35 degree C or ambient) taken from the discharge canal of a power plant on upper Galveston Bay, Texas. Aufwuchs accrual was influenced by temperature, salinity, and species cultured. Sedimentation rates due to the supplemental feeding of organisms and sloughing from the Aufwuchs community were as great as 7 ml/liter per day. Biological fouling and accumulation of sediments limit growth and production of intensively cultured organisms by lowering dissolved oxygen levels and producing anaerobic substrates. Organisms which feed by grazing can be effectively used to minimize substrate fouling in mariculture operations




Accumulation, biological, Dissolved, dissolved oxygen, estuarine organisms, feeding, fish, fouling organisms, Galveston Bay, growth, levels, marine aquaculture, organisms, Oxygen, production, Q1 01541 Biology of fouling and boring organisms, Q1 01581 General, Salinity, Sediment, sedimentation, Sediments, Temperature, Texas, thermal aquaculture, USA, water