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

The Korean Society of Fisheries and Ocean Technology (한국수산해양기술학회)
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Movement range and behavior of acoustic tagged abalone (Haliotis discus hannai) in Jeonnam marine ranch

전남바다목장해역에서의 음향포지 전복 (Haliotis discus hannai)의 이동범위 및 행동

  • Hwang, Bo-Kyu (Research Center for Ocean Industry Development, Pukyong National University) ;
  • Shin, Hyeon-Ok (Division of Marine Production System Management, Pukyong National University)
  • 황보규 (부경대학교 해양산업개발연구소) ;
  • 신현옥 (부경대학교 해양생산시스템관리학부)
  • Received : 2010.05.12
  • Accepted : 2010.06.30
  • Published : 2010.08.31
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Abstract

The moving ranges and behavior of four wild abalones, Haliotis discus hannai, were measured by an acoustic telemetry technique. The shape of the sea bottom of the experimental area was surveyed by a bathymetry system and three self-recording type acoustic receivers were used for monitoring the behavior and measuring the movement range. The abalones (WA1-WA4) attached acoustic tags were released and measured the movement during ten months. Three abalones (WA1, WA3 and WA4) were successively detected around the released point during the experiment and were moved to the V2 area where water depth is deeper than the V1 area. The change of inhabitation depth was also detected from the depth sensor of WA4. As the result, abalones were moved to deeper water area accordance with the decrease of the water temperature. The moved ranges of abalones were approximately 200 - 400m from the release point.

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Acknowledgement

Supported by : 부경대학교

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