HORTSCIENCE, VOL. 35(6), OCTOBER 2000 Consumer demand for fish has been increasing despite declining ocean fish catches. Aquaculture, the cultivation of freshwater and marine plants and animals, is one of the fastest growing segments of U.S. agriculture. In the period from 1987 to 1992, sales of farm-raised trout increased by almost 20% to over $80 million in the United States (Terlizzi et al.,...

Microorganisms play integral roles in the cycling of carbon (C) and nitrogen (N) in recirculating aquaculture systems (RAS) for fish and shellfish production. We quantified the pathways of shrimp fecal bacterial activities and their role in C- and N-flux partitioning relevant to culturing Pacific white shrimp, Penaeus (Litopenaeus) vannamei, in RAS. Freshly produced feces from P. vannamei conta...

salinity is known as one of the most challenging problems in aquaculture and agriculture. this issue has posed more difficulties to the shoreline of the persian gulf. halophyte plants with their high potentials of absorbing salinity from soil and water are able to enhance the biopurification process in the environment. hydroponic is a biointegrated food production method which links recirculati...

................................................................................................................... iv ACKNOWLEDGMENTS............................................................................................... vi DEDICATION ...............................................................................................................vii LIST OF TABLES ..........................

Seeing how great the contribution and potential of aquaculture sector to fulfillment food for people Indonesia, development including Recirculating Aquaculture System (RAS) is very important be carried out intensively. An aspect that should considered RAS maintaining water quality as main medium cultivation. Optimization tank an effort can conducted achieve this goal. A transient numerical stud...

Effluents from recirculating aquaculture systems (RAS) contain high concentrations of nitrogen and phosphorous wastes and thus often require proper treatment to prevent potential detrimental impacts on receiving water bodies. The purpose of this study was to evaluate the feasibility of membrane filtration coupled with chemical precipitation as a pretreatment step with emphasis on phosphorus rem...