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Book Catfish Pond Effluent Control

Download or read book Catfish Pond Effluent Control written by German Arnoldo Cerezo Casado and published by . This book was released on 1993 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Economic Consequences of Catfish Pond Effluent Control in Alabama

Download or read book Economic Consequences of Catfish Pond Effluent Control in Alabama written by Allen Todd Schmittou and published by . This book was released on 1991 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Economic Analysis of Effluent Control from Catfish Ponds

Download or read book Economic Analysis of Effluent Control from Catfish Ponds written by German A. Cerezo and published by . This book was released on 1994-10 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt: 20 charts and tables.

Book A Characterization of the Effluent from Commercial Catfish Ponds

Download or read book A Characterization of the Effluent from Commercial Catfish Ponds written by David Beach Beasley and published by . This book was released on 1973 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Continuous Simulation of Groundwater Use and Effluent Discharge in Catfish Ictalurus Punctatus Ponds at Five Locations in the Southeast U S

Download or read book Continuous Simulation of Groundwater Use and Effluent Discharge in Catfish Ictalurus Punctatus Ponds at Five Locations in the Southeast U S written by Sugeng Triyono and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Long-term climatological data were used to evaluate the effectiveness of a drop/add management strategy to reduce groundwater use and effluent discharge in catfish ponds in the southeast U.S.A drop/add approach is based on the creation of a storage volume in the pond for rainfall collection. The storage volume is created by allowing water level in the pond to decrease until some minimum level is reached. When the minimum level is reached, the pond is partly refilled, leaving the remaining volume available to capture incident precipitation. In this way, the role of precipitation in the water budget is increased. In the process, groundwater use and effluent release both become smaller. The data consisted of 45 year precipitation and evaporation records from Fairhope, AL; Clemson, SC; Stoneville, MS, Stuttgart, AR; and Thomsons, TX. The data were used in a water balance levee pond model that included precipitation, evaporation, infiltration, overflow, groundwater pumping, and draining. The model appeared to indicate that the drop/add management scheme is an effective strategy to reduce groundwater use and effluent discharge. The simulated results showed that variation of climate in the southeast U.S. was an important determinant of performance of the drop/add management scheme. At locations with positive P-0.8E, zero groundwater use could be achieved with low drop depths. At location with negative P-0.8E, zero groundwater use could be achieved for about 50% of the 45 simulated years. The model also indicated that effluent discharge cannot be avoided at most locations except at location with very low (negative) P-0.8E. The model also indicated that 65 to 100% of annual precipitation (depending on the P-0.8E's of the locations) can be captured and used in the ponds. Rainwater contribution to the total water budget ranged from 90 to 100%. The sensitivity analysis showed that model sensitivity to pan coefficient and infiltration rate was affected by infiltration rate and pond water storage capacity (drop depth). The model was more sensitive to pan coefficient rather than to infiltration rate at lower infiltration rates and vice-versa. Both sensitivities of the model, however, increased when pond water deeper storage capacity was used.

Book Pond Aquaculture Water Quality Management

Download or read book Pond Aquaculture Water Quality Management written by Claude E. Boyd and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt: The efficient and profitable production of fish, crustaceans, and other aquatic organisms in aquaculture depends on a suitable environment in which they can reproduce and grow. Because those organisms live in water, the major environ mental concern within the culture system is water quality. Water supplies for aquaculture systems may naturally be oflow quality or polluted by human activity, but in most instances, the primary reason for water quality impairment is the culture activity itself. Manures, fertilizers, and feeds applied to ponds to enhance production only can be partially converted to animal biomass. Thus, at moderate and high production levels, the inputs of nutrients and organic matter to culture units may exceed the assimilative capacity of the ecosystems. The result is deteriorating water quality which stresses the culture species, and stress leads to poor growth, greater incidence of disease, increased mortality, and low produc tion. Effluents from aquaculture systems can cause pollution of receiving waters, and pollution entering ponds in source water or chemicals added to ponds for management purposes can contaminate aquacultural products. Thus, water quality in aquaculture extends into the arenas of environmental protection and food quality and safety. A considerable body of literature on water quality management in aquaculture has been accumulated over the past 50 years. The first attempt to compile this information was a small book entitled Water Quality in Warmwater Fish Ponds (Boyd I 979a).

Book Pollution Aspects of Catfish Production

Download or read book Pollution Aspects of Catfish Production written by James C. Barker and published by . This book was released on 1974 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Biology and Culture of Channel Catfish

Download or read book Biology and Culture of Channel Catfish written by C.S. Tucker and published by Elsevier. This book was released on 2004-09-30 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt: The history of channel catfish farming in the United States serves as a model for the development of pond-based aquaculture industries worldwide. Channel catfish farming is the largest and economically most important aquaculture industry in the United States. In 2003, over 300,000 metric tons (662 million pounds) of channel catfish were processed, representing about half the total United States aquaculture production. Demand for farm-raised catfish is strong, with record processing years in 2002 and 2003. In 22 chapters written by active scientists in the field, Biology and Culture of Channel Catfish comprehensively synthesizes over 30 years of research on this American icon. Throughout the book, fundamental biological aspects of channel catfish are linked to practical culture techniques. Topics include: • Latest information on reproductive physiology, genetics, and breeding • Comprehensive treatment of catfish nutrition, feeds, and feeding practices • Water quality management and pond dynamics • In-depth review of immunology in channel catfish • Practical information on diseases and health management • Techniques for commercial culture, including innovative techniques such as raceways, recirculating systems, and partitioned aquaculture systems • Catfish economics and marketing • Exploration of environmental concerns, including recommended Best Management Practices

Book Effluents and Water Quality of Channel Catfish Ponds

Download or read book Effluents and Water Quality of Channel Catfish Ponds written by Kyujin Seok and published by . This book was released on 1992 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book CONTINUOUS SIMULATION OF GROUNDWATER USE AND EFFLUENT DISCHARGE IN CATFISH ICTALURUS PUNCTATUS PONDS AT FIVE LOCATIONS IN THE SOUTHEAST U S

Download or read book CONTINUOUS SIMULATION OF GROUNDWATER USE AND EFFLUENT DISCHARGE IN CATFISH ICTALURUS PUNCTATUS PONDS AT FIVE LOCATIONS IN THE SOUTHEAST U S written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Long-term climatological data were used to evaluate the effectiveness of a drop/add management strategy to reduce groundwater use and effluent discharge in catfish ponds in the southeast U.S.A drop/add approach is based on the creation of a storage volume in the pond for rainfall collection. The storage volume is created by allowing water level in the pond to decrease until some minimum level is reached. When the minimum level is reached, the pond is partly refilled, leaving the remaining volume available to capture incident precipitation. In this way, the role of precipitation in the water budget is increased. In the process, groundwater use and effluent release both become smaller. The data consisted of 45 year precipitation and evaporation records from Fairhope, AL; Clemson, SC; Stoneville, MS, Stuttgart, AR; and Thomsons, TX. The data were used in a water balance levee pond model that included precipitation, evaporation, infiltration, overflow, groundwater pumping, and draining. The model appeared to indicate that the drop/add management scheme is an effective strategy to reduce groundwater use and effluent discharge. The simulated results showed that variation of climate in the southeast U.S. was an important determinant of performance of the drop/add management scheme. At locations with positive P-0.8E, zero groundwater use could be achieved with low drop depths. At location with negative P-0.8E, zero groundwater use could be achieved for about 50% of the 45 simulated years. The model also indicated that effluent discharge cannot be avoided at most locations except at location with very low (negative) P-0.8E. The model also indicated that 65 to 100% of annual precipitation (depending on the P-0.8E?s of the locations) can be captured and used in the ponds. Rainwater contribution to the total water budget ranged from 90 to 100%. The sensitivity analysis showed that model sensitivity to pan coefficient and infiltration rate was affected by infiltration rate and.

Book Development Document for Effluent Limitations Guidelines and Standards of Performance for the Catfish Crab Shrimp and Tuna Segments of the Canned and Preserved Seafood Processing Industry Point Source Category

Download or read book Development Document for Effluent Limitations Guidelines and Standards of Performance for the Catfish Crab Shrimp and Tuna Segments of the Canned and Preserved Seafood Processing Industry Point Source Category written by and published by . This book was released on 1974 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the findings of a study of the farm-raised catfish, crab, shrimp, and tuna processing segments of the canned and preserved seafood processing industry for the purpose of developing effluent limitations guidelines and Federal standards of performance for new sources in order to implement Sections 304, 306, and 307 of the Federal Water Pollution Control Act Amendments of 1972 (the Act). The seafood processing plants included in Phase I of this study were those processing farm-raised catfish, crab, shrimp and tuna. Other aquatic and marine species are involved in a subsequent study, which is now underway. Effluent limitations guidelines are set forth for the degree of effluent reduction attainable through the application of the "Best Practicable Control Technology Currently Available" and the "Best Available Technology Economically Achievable" which must be achieved by existing point sources by July 1, 1977 and July 1, 1983, respectively. The "Standards of Performance for New Sources" set forth a degree of effluent reduction which is achievable through the application of the best available demonstrated control technology processes, operating methods or other alternatives. The proposed regulations require the best biological or physical-chemical treatment technology currently available for discharge into navigable water bodies by July 1, 1977 and for New Source Performance Standards. This technology is represented by aerated lagoons, activated sludge, or dissolved air flotation. The recommendations for July 1, 1983 are for the best physical-chemical and biological treatment and in-plant control as represented by reduced water use and enhanced treatment efficiencies in pre-existing systems as well as new systems. Supportative data and rationale for development of the proposed effluent limitations guidelines and standards of performance are contained in this report.