Session 9: Rapporteur's review. Introduction and edited discussion
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- Lectures 
Acoustic classification of fish must be one of the few notions in our business that appeals to the popular imagination, both among laymen and non-fisheries scientists. Just estimating fish density by acoustics has been a major challenge. Acoustic classification has indeed been a dream. Now, work is presented which offers the distinct expectation of fulfilling this dream. The work is in a vary preliminary state of development. The several contributions are categorized according to bandwidth if the aim is measurement, or technique if the aim is classification. A mainstay of all current uses of acoustics, and in fact of all anticipated used of acoustics in fisheries research, is catching, that is, classification by biological sampling.
Int. Symp. on Fisheries Acoustics, Seattle, WA (USA), 22-26 Jun 1987