Journal of the Korean Society of Fisheries and Ocean Technology (수산해양기술연구)

The Korean Society of Fisheries and Ocean Technology (한국수산해양기술학회)
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Hydro-acoustic survey on fish distribution and aggregated fish at artificial reefs in marine ranching area

음향조사기법을 이용한 수산자원 관리수면의 어류분포 및 인공어초지역의 어군위집조사

  • Kim, Hyun-Young (Fisheries System Engineering Division, National Fisheries Research & Development Institute) ;
  • Hwang, Bo-Kyu (Research Center for Ocean Industry Development, Pukyong National University) ;
  • Lee, Yoo-Won (Division of Marine Production System Management, Pukyong National University) ;
  • Shin, Hyeon-Ok (Division of Marine Production System Management, Pukyong National University) ;
  • Kwon, Jung-No (Marine Enviromental Management team, National Fisheries Research & Development Institute) ;
  • Lee, Kyung-Hoon (Fisheries System Engineering Division, National Fisheries Research & Development Institute)
  • 김현영 (국립수산과학원 시스템공학과) ;
  • 황보규 (부경대학교 해양산업개발연구소) ;
  • 이유원 (부경대학교 해양생산시스템관리학부) ;
  • 신현옥 (부경대학교 해양생산시스템관리학부) ;
  • 권정노 (국립수산과학원 자원관리과) ;
  • 이경훈 (국립수산과학원 시스템공학과)
  • Received : 2011.04.22
  • Accepted : 2011.05.19
  • Published : 2011.05.31
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Abstract

Hydro-acoustic survey was carried out to estimate a fish distribution at marine ranching area and aggregated fish schools at artificial reef area in Oeyeondo, Korea. The survey system was set up with DGPS system, scientific echo sounder (EK60, Simrad Co.), and ECDIS (Mecys. Co. LTD). A track survey and a random survey was respectively applied to the marine ranching area (474.4ha) and to the artificial reef area (within a radius of 300m). As the result, fish distribution and MVBS values in marine ranching area showed that created fisheries resources didn't come to be abundant yet as to appear fish distribution in all of the area. In the artificial reef area, it was, however, able to detect many fish school signals on the top of and around artificial reefs and to confirm the luring effect of artificial reefs.

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References

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