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

The Korean Society of Fisheries and Ocean Technology (한국수산해양기술학회)
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Verification of Practicality for the SSBL and Pinger Synchronizing Biotelemetry Method and System through the Tracking of Fish

어류의 행동추적에 의한 SSBL · 핑거동기 바이오텔레메터리 방식과 시스템의 실용성 검증

  • Published : 2004.02.01
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Abstract

The new biotelemetry method and system that the installation and the treatment of equipment is convenient and the instantaneously detailed position of the fish attached a pinger is able to track comparatively easily had been developed, an practicality of it were verified in the water tank and the small sea port through the tracking of fish. The biotelemetry method had been gotten the three dimensional locations of fish to the receiving transducer by combining of the super short base line (SSBL) method to detect the direction of pinger and the pinger synchronizing method to measure the range from receiving transducer to pinger. The receiving system had been designed to realize the high precision or wide detection range by application of the basic design method for receiving system of biotelemetry and the hydrophone array configuration. From tracking test of carp in the water tank, the migration course and the velocity of carp was investigated and the observed migration course was compared with measurement. The measured migration course of carp coincided with the observation in the main and the position of carp was able to track three dimensionally. The velocity of carp measured by the moving average method was 11.2cm/s. From tracking test of yellowtail in the small sea port, the migration course and the velocity of yellowtail was investigated at natural condition. The position of yellowtail was able to track three dimensionally and the velocity of it measured by moving average method was 43.9cm/s.

SSBL ${\circ}$ 핑거동기 바이오텔레메터리 방식과 시스템을 사용하여 핑거를 부착한 어류의 행동 추적실험을 실시하였다. 이상의 연구 성과를 정리하면 다음과 같다. 1) 수조의 추적실험에서는 어류의 대략적인 행동을 관측할 수 있기 때문에 어류의 이동경로의 계측치와 대체적인 관측치를 비교하면서 어류의 이동경로와 속도 등을 조사하였다. 계측한 잉어의 행동이 관측치와 대체적으로 일치하였으며, 3차원으로 추적이 가능하였다. 잉어의 평균 이동속도는 11.2cm/s로 거의 적당한 결과를 얻을 수 있었다. 2) 계류장의 추적실험에서는 상하, 좌우 방향으로 회전가능한 지지 파이프에 수파기를 설치하고 수파기를 회전시키며 자연상태에서 어류의 이동경로와 속도 등을 조사하였다. 방어의 행동이 상세하게 추적 가능함을 확인할 수 있었으며, 방어의 평균이동 속도는 439cm/s이었다. 이상에 의해 본 연구에서 개발한 SSBL ${\circ}$ 핑거동기 바이오텔레메터리 방식에 의하면 수신계의 고도화만으로도 핑거를 부착한 어류의 상세한 행동추적 이 가능함을 확인할 수 있었다.

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References

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