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By Hance D. Smith

This booklet experiences key advancements within the box of marine technology and expertise. It makes a speciality of 3 significant issues equivalent to the significance of technical advancements in ocean administration, the applying of those advancements to express sea makes use of starting from fish farming to the disposal of business waste, and the long term matters that such advancements increase.

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Nonsalmonid) sectors of the industry and sets out some pointers for future development. SPECIES SELECTION There are several species of which there is sufficient knowledge to make farming possible. Commercial and practical judgements still have to be made by the investors and their backers, acting on the advice of such experts as the Seafish team. First, there is little point in farming a species of which there are abundant wild stocks, especially if the availability of those stocks can be expected to continue.

First, there is little point in farming a species of which there are abundant wild stocks, especially if the availability of those stocks can be expected to continue. Second, farmed fish and shellfish carry certain cost penalties associated with the risk. In the case of finfish the cost of feed and labour amounts to up to 50 per cent of the production costs, and has to be offset by the selling price. Only high-value species are likely to be commercially worth while. Third, there has to be some reasonable expectation of success, both to cultivate a good-quality product and to market it successfully.

1979) ‘Internal waves in the ocean’, Ann. Rev. Fluid Mech. 11: 339–69. GESAMP (1988) Review of shelf sea water quality modelling, Report of Group 25, in preparation. Smith Golding, B. ) Ocean wave modelling, New York: Plenum Press, pp. 215–19. , et al (1973) ‘Measurements of wind-wave growth and swell decay during the Joint North Sea Wave Project (JONSWAP)’, Deut. Hydrogr. , Supplement A12. S. (1983) ‘Storm surges, 1967–1982’, Geophys. Roy. Astr. Soc. 74: 331–76. L. (1975) ‘Model decomposition of the velocity field near the Oregon coast’, J.

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