セクションアウトライン

    • To estimate resource distribution and abundance, use sound wave instead of radio wave, which weakens under the water. 



    • Measurement of echo from fish:

      Body angle influences the target strength (TS). Ribbonfish’s upright posture makes a big difference of the TS.



    • [Open Access] Tomiyasu et al., 2016, ICES Journal of Marine Science URL



    • Field research on the fishing boat:

      Estimate distribution and abundance of ribbionfish at the Bungo channel, known as a place of origin of the fish.

         

    • [Open Access] Kao et al., 2016, The Journal of the Marine Acoustics Society of Japan URL
    • [Open Access] 吉江ら、2016、沿岸海洋研究 URL