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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.1
- 수록면
- 120 - 127 (8page)
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초록· 키워드
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Morphological properties of dark banded rockfish (Sebastes inermis) were analysed to investigate its acoustic scattering characteristics. Total of 18 live samples was prepared for X-ray photos and collected morphological coordinates of their body and swim bladder shapes. Kirchhoff-ray mode model was used to calculate acoustic scattering pattern for broad-band frequency range. Inclination of swim bladder ranged from 17 to 30 and the averaged value was about 25.2° (S.D.(standard deviation)=3.15). There were no any tendency of increase or decrease in volume and area ratio of swim bladder to fish body and ranged from 2.2 % to 4.43 % and 14.85 % to 21.31 %, respectively. The averaged value of volume and area ratio was 3.13 % (S.D.=0.52) and 17.6 % (S.D.=1.5). b20values were –69.01 for 38 kHz, –69.83 for 70 kHz, –70.17 for 120 kHz and -70.93 for 200 kHz, recpectively. Broadband acoustic patterns of dark banded rockfish for 20 ~ 200 kHz were similar among samples and they reflected size and morphological properties of fish species.
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참고문헌 (12)
참고문헌 신청
Clay CS / 1994 / Acoustic models of fish: The Atlanticcod (Gadus morhua) / J Acoust Soc Am 96 : 1661 ~ 1668
Gauthier S / 2011 / Acoustic characteristics of forage fish species in the Gulf of Alaska and Bering Sea based on Kirchhoff-approximation models / Can J fish Aquat Sci 61 : 1
Horne JK / 1999 / Multi-frequency estimates of fish abundance: constraints of rather high frequencies / ICES J Mar Sci 56 : 184 ~ 199
Horne JK. / 2003 / The influence of ontogeny, physiology, and behaviour on the target strength of walleye pollock (Theragra chalcogramma) / ICES J Mar Sci 60 : 1063 ~ 1074
Imaizumi T / 2008 / Measuring the target strength spectra of fish using dolphin-like short broadband sonar signals / J Acoust Soc Am 124 : 3440 ~ 3449
Gauthier S / 2011 / Acoustic characteristics of forage fish species in the Gulf of Alaska and Bering Sea based on Kirchhoff-approximation models / Can J fish Aquat Sci 61 : 1
Horne JK / 1999 / Multi-frequency estimates of fish abundance: constraints of rather high frequencies / ICES J Mar Sci 56 : 184 ~ 199
Horne JK. / 2003 / The influence of ontogeny, physiology, and behaviour on the target strength of walleye pollock (Theragra chalcogramma) / ICES J Mar Sci 60 : 1063 ~ 1074
Imaizumi T / 2008 / Measuring the target strength spectra of fish using dolphin-like short broadband sonar signals / J Acoust Soc Am 124 : 3440 ~ 3449
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