Prototype of a Simple Acoustic Survey System for Attachment to a GPS Plotter Echo Sounder

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  • GPSプロッタ魚群探知機に取り付ける簡易型音響資源調査システムの試作
  • GPS プロッタ ギョグン タンチキ ニ トリツケル カンイガタ オンキョウ シゲン チョウサ システム ノ シサク

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<p>Biological production is thriving in the coastal areas of Southeast Asia. However, resource evaluation has not progressed. In addition, the valid acoustic research needed for resource assessment is not being conducted or disseminated. Therefore, we developed a simple measurement system to perform acoustic investigations and provide basic education. We then conducted a field test in an effort to understand the distribution of fish schools in Tateyama bay, Chiba, Japan. Depth of the target research area was about 20 m. The acoustic device was composed of a GPS plotter and echo sounder (FURUNO GP1670F)+ Interface Box and PC. The concept has been used previously. However, the equipment is simple and easy to use in collecting acoustic data. First, we assumed the amount of resources for recreational boats to measure the distribution of fish using the fish finder. Results confirmed that the system was sufficiently effective.</p>

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