By I.L. Kalikhman,K. I. Yudanov
This booklet will pay specific consciousness to the idea and perform of accounting surveys for quantitative estimation of organic assets and fishing stipulations in conventional fishing parts. It additionally analyzes a number of functions of acoustic process, dependent upon the authors' broad investigations. The textual content contains the result of the applicability of fish-finding tools, and provides tips on the improvement of enhanced acoustic strategies for advertisement fleets.
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