By T. V. R. Pillay
Protecting all facets of subsistence and advertisement aquaculture as practiced around the globe, this absolutely revised new version from major global specialists within the box is determined in elements: ideas and practices, and covers intimately fresh advancements in:
- History and making plans
- Reproduction and genetic choice
- Production facts and economics
- Integrated aquaculture
- Sustainability and environmental results (new chapter)
All cultured species teams are addressed, from freshwater and marine fish to shellfish and seaweeds. crucial new evidence and information were integrated all through.
This entire paintings is a vital buy for all these learning aquaculture and is a beneficial resource of reference for all group of workers desirous about the aquaculture undefined; together with these operating in fish farms, learn associations, instructing posts in universities and advertisement institutions resembling aquaculture gear and feed offer businesses. Libraries in all universities and study institutions will locate this ebook a massive addition to their cabinets.
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Additional info for Aquaculture: Principles and Practices (Fishing News Books)
The farmer, as well as the consumer, will benefit from the availability of products throughout the year. For this purpose, it may be necessary to permit the sale of farmed products when there is a closed season in the capture fishery. Similarly, it may be an advantage for the farmer to grow the fish or shellfish to a size below the minimum size allowed to be fished in capture fishery, to meet specific market demands. Unless legal provision is made to exempt culture fishery products from such restrictions, aquaculture industry will lose some of its intrinsic advantages.
1984) estimate that the construction and operation of a farm with a pumped water supply system can be more economical than that of a tidal water farm. 1 Soil characteristics The quality of soil is important in pond farms, not only because of its influence on productivity and the quality of the overlying water, but also because of its suitability for dike construction. The ability of the pond to retain the required water level is also greatly affected by the characteristics of the soil. It is therefore essential to carry out appropriate soil investigations when selecting sites for pond farms.
Planning on a short-term or a long-term basis would require evaluation of the costs and benefits of aquaculture and how it fits into the total priorities of economical development of a country in the allocation of natural resources. The aquaculture sector is a relatively new innovation in many countries and, as mentioned elsewhere in this chapter and in Chapter 4, there are many other conflicting uses for natural resources. Planning aquaculture development as a priority activity on a national basis would require comparison of the costs and benefits of aquaculture not only economically but also environmentally.