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한국 남해에 출현하는 참돔(Pagrus major)의 성숙과 산란
진수연 ( Suyeon Jin ),임양재 ( Yang Jae Im ),최정화 ( Jung Hwa Choi ),정재묵 ( Jae Mook Jeong ),남기문 ( Ki Mun Nam ),김도균 ( Do-gyun Kim ),최유정 ( Yu Jeong Choi ),백근욱 ( Gun Wook Baeck ) 한국수산과학회(구 한국수산학회) 2020 한국수산과학회지 Vol.53 No.1
The maturation and spawning of red seabream Pagrus major were investigated using 1,014 samples collected monthly from January to December of 2018, in the South Sea of Korea. Based on monthly changes in maturity stage and gonadosomatic index, the spawning period was estimated to be between April and August, with peak spawning occuring from May to June. Fecundity varied between 228,996 and 4,544,948 eggs. The relationship between fecundity (F) and fork length (FL) in this species can be expressed by the equation F=0.4869FL<sup>3.9452</sup> (R<sup>2</sup>=0.7448). Using a logistic function, the percentage of sexually mature females was estimated to be over 50% for fish with a FL of 35.3 cm.
한국 연안해역에 출현하는 황돔(Dentex tumifrons)의 성숙과 산란
최유정 ( Yu Jeong Choi ),최정화 ( Jung Hwa Choi ),이해원 ( Hae Won Lee ),정재묵 ( Jae Mook Jeong ),김현지 ( Hyeon Ji Kim ),김도균 ( Do-gyun Kim ),진수연 ( Suyeon Jin ),백근욱 ( Gun Wook Baeck ) 한국수산과학회(구 한국수산학회) 2020 한국수산과학회지 Vol.53 No.1
In this study, we examined the maturation and spawning of yellowback seabream Dentex tumifrons using samples collected by monthly bottom trawling in Korean coastal waters from January to December 2018. We analyzed monthly changes in gonadosomatic index (GSI), maturity stage, histology, fecundity, and total length at group maturity. Spawning occurred in May and October. Fecundity varied with total length as F=1.3754TL<sup>3.2664</sup>, with a range of 1,220 to 155,625 eggs per female. At group maturity, 50%, 75%, and 97.5% estimates of female total length were 18.4, 20.5, and 25.3 cm, respectively.
한국 연안해역에 출현하는 황아귀(Lophius litulon)의 성숙과 산란
김도균 ( Do-gyun Kim ),임양재 ( Yang Jae Im ),김정년 ( Jung Nyun Kim ),이해원 ( Hae Won Lee ),진수연 ( Suyeon Jin Yu ),최유정 ( Jeong Choi ),백근욱 ( Gun Wook Baeck ) 한국수산과학회(구 한국수산학회) 2020 한국수산과학회지 Vol.53 No.1
The maturity and spawning of the yellow goosefish Lophius litulon were studied using samples collected monthly from January to December 2018 from the coastal waters of Korea. We analyzed monthly changes in maturity stage, gonadosomatic index (GSI), total length (TL) at 50%, 75%, and 97.5% group maturity, egg diameter and fecundity. The spawning period was from January to June. The size of eggs spawned was between 0.30 to 1.28 mm. Fecundity varied between 328,314 to 1,624,783 eggs. The percentage of sexually mature females estimated from a logistic function was over 50% at 48.67 cm TL, 75% at 56.76 cm TL and 97.5% at 74.89 cm TL.