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DEFINITION
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A systematic method of gathering information on fish availability and abundance in a water body with the help of sophisticated instruments, such as echo sounders and sonar, that employ ultrasonic sound for the detection of fish. |
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Comonwealth of Australia (1997): http://www.brs.gov.au/fish/gloss.html
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| RELATED TERMS |
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no related terms
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| ALTERNATE SPELLING |
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no alternate spelling
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