Résumé :
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Part one of the book describes the resource over which the fisheries manager holds responsability. it subdivides naturally into a description of the physical environment inhabited by fish, followed by various aspects of fish biology and fish populations. part two describes the principal techniques available to the manager for the management and improvement of that resource, be it by direct action such as the draining or desilting of a lake, or by indirect action such as the application of statutory or local regulations. part three examines the commercial exploitation exploitation of the resource, with examples of the needs, methods and potential of angling, commercial fishing, and fish farming.
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