A Study on the Characteristics of Fishery Resources Distribution in Coastal Waters of Yeongil Bay Using Acoustic Survey

In this study, the identification of dominant fish species in East Sea was conducted using dB-difference method. The survey two frequencies 38 and 120 kHz transect 6 southern part Sea. Information on identified fishing gear e-DNA, target were selected analyzed as cod, anchovy, common squid, herring. range for each set to −0.86 dB < ∆MVBS 38–120 0.82 cod 2.66 2.84 anchovy. squid −0.36 1.25 0.88 2.28 herring; then echograms. When comparing results swimming depths by previous studies, detected mainly at bottom sea, anchovy a depth 50 m. Herring be distributed water from 150