Effects Of Channel Catfish Farming On Water Quality In Big Prairie Creek West Central Alabama PDF Download
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Author | : O. Silapajarn |
Publisher | : |
Total Pages | : 52 |
Release | : 2004 |
Genre | : Catfish ponds |
ISBN | : |
Download Effects of Channel Catfish Farming on Water Quality in Big Prairie Creek West-Central Alabama Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 882 |
Release | : 2004 |
Genre | : Dissertations, Academic |
ISBN | : |
Download Dissertation Abstracts International Book in PDF, ePub and Kindle
Author | : Claude E. Boyd |
Publisher | : Springer Science & Business Media |
Total Pages | : 712 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 1461554071 |
Download Pond Aquaculture Water Quality Management Book in PDF, ePub and Kindle
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).
Author | : |
Publisher | : |
Total Pages | : 1060 |
Release | : 1982 |
Genre | : Water |
ISBN | : |
Download Selected Water Resources Abstracts Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 804 |
Release | : 1982 |
Genre | : Agriculture |
ISBN | : |
Download Agrindex Book in PDF, ePub and Kindle
Author | : James F. Coles |
Publisher | : |
Total Pages | : 138 |
Release | : 2012 |
Genre | : Stream ecology |
ISBN | : |
Download Effects of urban development on stream ecosystems in nine metropolitan study areas across the United States Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 1104 |
Release | : 1990 |
Genre | : Agriculture |
ISBN | : |
Download Bibliography of Agriculture Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 476 |
Release | : 1990 |
Genre | : Agriculture |
ISBN | : |
Download Bibliography of Agriculture with Subject Index Book in PDF, ePub and Kindle
Author | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 449 |
Release | : 2002-10-10 |
Genre | : Science |
ISBN | : 0309082951 |
Download Riparian Areas Book in PDF, ePub and Kindle
The Clean Water Act (CWA) requires that wetlands be protected from degradation because of their important ecological functions including maintenance of high water quality and provision of fish and wildlife habitat. However, this protection generally does not encompass riparian areasâ€"the lands bordering rivers and lakesâ€"even though they often provide the same functions as wetlands. Growing recognition of the similarities in wetland and riparian area functioning and the differences in their legal protection led the NRC in 1999 to undertake a study of riparian areas, which has culminated in Riparian Areas: Functioning and Strategies for Management. The report is intended to heighten awareness of riparian areas commensurate with their ecological and societal values. The primary conclusion is that, because riparian areas perform a disproportionate number of biological and physical functions on a unit area basis, restoration of riparian functions along America's waterbodies should be a national goal.
Author | : Ramesh D. Gulati |
Publisher | : Springer Science & Business Media |
Total Pages | : 613 |
Release | : 2013-03-09 |
Genre | : Science |
ISBN | : 9401709246 |
Download Biomanipulation Tool for Water Management Book in PDF, ePub and Kindle