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거문도 해역 대롱수염새우(Solencer melantho)의 성자과 성 성숙

Growth and Reproduction of Deep-Water Mud Shrimp (Solenocera melantho) around Geomun Island, Korea

  • 오택윤 (국립수산과학원 어업자원부) ;
  • 최정화 (국립수산과학원 어업자원부) ;
  • 차형기 (국립수산과학원 연구기획실) ;
  • 김주일 (국립수산과학원 남해수산연구소) ;
  • 김대현 (국립수산과학원 연구기획실) ;
  • 이주희 (부경대학교 해양생산관리학과)
  • OH Taeg Yun (Fisheries Resources Department, National Fisheries Research and Development Institute) ;
  • CHOI Jung Hwa (Fisheries Resources Department, National Fisheries Research and Development Institute) ;
  • CHA Hyung Kee (Research Planning Department, NFRDI) ;
  • KIM Joo Il (South Sea Fisheries Research Institute, NFRDJ) ;
  • KIM Dea Hyun (Research Planning Department, NFRDI) ;
  • LEE Ju Hee (Department of Marine Production Management, Pukyong National University)
  • 발행 : 2005.08.01

초록

This paper describes reproduction, population structure, growth and size at sexual maturity of a deep-water mud shrimp (Solenocera melantho) in the adjacent waters of Geomun Island, Korea. The shrimp was caught by a beam trawl from November 1998 to December 1999. Spawning period was estimated by gonadosomatic index to be from August to early November with a peak in October to early November. Female shrimps were $12\%$ matured at 16 mm in carapace length, $33\%$ matured at 18 mm and $75\%$ matured at 22 mm. The size at $50\%$ maturity for female was estimated to be 20.65 mm in carapace length. Breeding season was estimated to be from August to early November with a peak in October to early November. The size at $50\%$ inseminated was 19.81 mm CL. The fecundity was 87,500-405,200 and related exponentially to carapace length and total weight. This species survived between 25 and 26 months. The maximum carapace length of females and males were 48 mm and 34 mm respectively. Sex ratio was $51.3\%$, and the females were preponderant. Growth was estimated by modified von Bertalanffy growth function incorporating seasonal variation in growth in both years females (K=1.019/yr and $L_{\infty}$=51.731 mm CL) grew faster, reaching a larger size at a given age than males (K=1.848/yr, and $L_{\infty}$=27.499 mm CL). This is indicated by differences in growth performance indices $(\varphi')$ between females (3.291) and males (3.145).

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참고문헌

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피인용 문헌

  1. 한국 연안해역 새우 조망어업의 어획량 분석 vol.45, pp.1, 2005, https://doi.org/10.3796/ksft.2008.45.1.001