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동해안 도루묵, Arctoscopus japonicus의 연령과 성장
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  • 동해안 도루묵, Arctoscopus japonicus의 연령과 성장
저자명
양재형,이성일,차형기,윤상철,장대수,전영열,Yang. Jae-Hyeong,Lee. Sung-Il,Cha. Hyung-Kee,Yoon. Sang-Chul,Chang. Dae-Soo,Chun. Young-Yull
간행물명
한국어업기술학회지
권/호정보
2008년|44권 4호|pp.312-322 (11 pages)
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한국어업기술학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

The age and growth of the sandfish, Arctoscopus japonicus were investigated from samples of the eastern sea danish seine and gill net fishery in the East Sea of Korea from February, 2004 to December, 2007. Ages were determined from annuli in otoliths and annuli were formed between December and February once a year. Also, the main spawning period was estimated to be between December and January, thus rings were considered to be annual marks. For the relationship between fork length and total weight, a multiplicative error structure was assumed because variability in growth increased as a function of the length. The relationship between fork length and total weight were $TW=0.0083FL^{3.01}(R^2=0.966)$ for female and $TW=0.0079FL^{3.04}(R^2=0.969)$ for male. The variability in growth was constant as a function of age, revealing an additive error structure. The von Bertalanffy growth parameters estimated by a non-linear method were $L_{infty}=31.6cm$, K=0.266/year, $t_0=-0.835$ years for female and $L_{infty}=27.7cm$, K=0.273/year, $t_0=-0.806$ years for male. Growth at age between male and female had a significant difference(P<0.001).