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dc.contributor.authorOishi, Masato
dc.date.accessioned2018-03-28T02:51:29Z
dc.date.available2018-03-28T02:51:29Z
dc.date.issued1989-06
dc.identifier.urihttp://hdl.handle.net/20.500.12067/541
dc.description.abstractThis textbook, "An Introduction to Hydroacoustic Echo Traces", explains hydroacoustic information on the recording charts in the form of echo traces, digits and lines. Interpretation of echo traces is one of the most important points of fishing technology : scouting, detecting and catching fish; observation of submerged fishing gear; annual distribution of fish shoals; topographic features of sea-bed; thermal discontinuities; water temperature from surface to sea-bed, etc..en
dc.language.isoenen
dc.publisherTraining Department, Southeast Asian Fisheries Development Centeren
dc.subjectHydro Acousticen
dc.subjectEchoen
dc.titleAn Introduction to Hydro Acoustic Echo Tracesen


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