Blar i Research Programmes på emneord "VDP::Mathematics and natural science: 400::Physics: 430::Electromagnetism, acoustics, optics: 434"
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Lateral-aspect target strength measurements of in situ herring (Clupea harengus)
(Journal article; Peer reviewed, 2009-07)Surveys of schooling herring with the new multi-beam sonar (Simrad MS70) pose new challenges when converting the echo energy to estimates of biomass. Since the sonar projects horizontally, data and models of lateral-aspect ...