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This paper discusses briefly the theory of sail power and its application to fishing vessels, and examines theoperational requirements of a variety of fishing methods and the conditions under which sail power can be used in each method to reduce energy consumption. Fishing methods are listed in descending order of utilization of sail.
The energy sources of importance in the fishing industry are discussed in detail. An account is given of fish catching,fish growing and fish saving and the role energy plays in each. Wind, sun and biogas are all considered as energy resources.