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동해 강원연안 홍가자미(Hippoglossoides dubius)의 성숙과 산란
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  • 동해 강원연안 홍가자미(Hippoglossoides dubius)의 성숙과 산란
저자명
최영민,윤병선,박정호,박기영,손명호,이재봉,김재원,Choi. Young Min,Yoon. Byoung Sun,Park. Jeong-Ho,Park. Kie Young,Sohn. Myoung Ho,Lee. Jae Bong,Kim. J
간행물명
한국수산과학회지
권/호정보
2013년|46권 6호|pp.835-842 (8 pages)
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한국수산과학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Flathead flounder Hippoglossoides dubius is a commercially important fish in the coastal waters of Gangwon Province, which is its spawning ground and breeding habitat. A total of 1,669 gonads were sampled monthly from February 2011 to May 2013 to investigate ecological characteristics, such as variations in maturation and spawning by gonad index, visual maturity stage, histological observations and oocyte diameter. Males were numerically dominant over females in the fishing grounds year round. The spawning season was from January to April, and the peak was from February to March. Oocyte number as a measure of fecundity was between 27,372 and 915,209 eggs with a length range of 26.0-48.7 cm TL, while the largest oocyte grew to 0.9-1.4mm in egg diameter during its spawning season. The relationship between fecundity and total length was $F=0.0016TL^{5.2539}$. The smallest mature lengths of the females and males were 28.4 and 22.6 cm respectively, and the 50% mature lengths of females and males were 32.9, 26.9 cm respectively.