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논문 상세정보

해양목장 대상 어류의 음향순치에 관한 기초적 연구 -1. 돌돔의 청각 특성

A Basic Study on Acoustic Conditioning of Fish Suitable for a Marine Ranch -1. The Sound Sensitivity of Japanese Parrot Fish Oplegnathus fasciatus-

Abstract

Developing base data on luring fish schools into netting position by the use of underwater audible sound on japanese parrot fish Oplegnathus fasciatus found in the coastal waters of Jeju Island, S. Korea. Auditory threshold was determined by the heartbeat condition technique using pure tones coupled with a delayed electric shock. The audible range of japanese parrot fish extended from 80 Hz to 500 Hz with a peak sensitivity at 200 Hz. The mean auditory thresholds at the frequencies of 80 Hz, 100 Hz, 200 Hz,300 Hz and 500 Hz were 104 dB, 95 dB, 91 dB, 99 dB and 113 dB, respectively. As the frequency became higher than 200 Hz, the auditory threshold increased almost linearly with increasing frequency. Critical ratios of fishes measured in the presence of masking noise in the spectrum level range of 69$\~$78 dB (0 dB re 1$\mu$Pa/$\sqrt{Hz}$) ranged from 21 dB to 40 dB at test frequencies. The noise spectrum level at the start of masking was about 70 dB within the test frequency range. The sound pressure level of 100$\~$200 Hz recognized by japanese parrot fish under the ambient noise is above 91 dB and the critical ratio for them is above 21 dB.

참고문헌 (9)

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이 논문을 인용한 문헌 (5)

  1. Ahn, Jang-Young ; Choi, Chan-Moon ; Lee, Chang-Heon 2011. "Auditory Characteristics of Tiger shark Scyliorhinus torazame caught in the Coast of jeju Island" 한국어업기술학회지 = Journal of the Korean Society of Fisheries Technology, 47(3): 234~240 
  2. Ahn, Jang-Young ; Park, Yong-Seok ; Choi, Chan-Moon ; Kim, Seok-Jong ; Lee, Chang-Heon 2012. "Hearing Ability of Conger eel Conger myriaster caught in the Coast of jeju Island" 한국어업기술학회지 = Journal of the Korean Society of Fisheries Technology, 48(4): 479~486 
  3. Choi, Chan-Moon ; Park, Yong-Seok ; Lee, Chang-Heon 2013. "Hearing Ability of Bambooleaf wrasse Pseudolabrus japonicus caught in the coast of Jeju" 水産海洋敎育硏究 = Journal of fisheries and marine sciences education, 25(6): 1381~1388 
  4. Ahn, Jang-Young ; Lee, Chang-Heon 2013. "Hearing Ability of Sharp Toothed Eel Muraenesox cinereus caught in the Southern Korean Waters" 水産海洋敎育硏究 = Journal of fisheries and marine sciences education, 25(2): 341~348 
  5. Yoon, Yang Ho 2014. "Spatio-temporal Variability and Size Fractionation of Chlorophyll a in the Jeju Marine Ranching Area(JMRA) with Special Reference to the Signification of Nanoplankton" 한국산학기술학회논문지 = Journal of the Korea Academia-Industrial cooperation Society, 15(10): 6388~6398 

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