Development and Reproduction (한국발생생물학회지:발생과생식)
- Volume 12 Issue 3
- /
- Pages.231-241
- /
- 2008
- /
- 2465-9525(pISSN)
- /
- 2465-9541(eISSN)
Reproductive Cycle and Environmental Factors on the Gonadal Maturation and Egg Breeding of the Freshwater Mitten Crab, Eriocheir japonicus Living in Sumjin River
섬진강 서식 동남참게(Eriocheir japonicus)의 생식년주기와 암컷 생식소의 성숙과 포란에 미치는 환경적 요인
- Lee, Hyun-Kee (Dept. of Molecular Biology, Dong-eui University) ;
- Lim, Sang-Koo (National Fisheries Research and Development Institute) ;
- Kim, Dae-Jung (National Fisheries Research and Development Institute) ;
- Kim, Dae-Hyun (National Fisheries Research and Development Institute) ;
- Lee, Je-Yong (Dept. of Molecular Biology, Dong-eui University) ;
- Kim, Myung-Hee (Dept. of Molecular Biology, Dong-eui University) ;
- Kim, Byung-Ki (Dept. of Molecular Biology, Dong-eui University) ;
- Han, Chang-Hee (Dept. of Molecular Biology, Dong-eui University)
- 이현기 (동의대학교 분자생물학과) ;
- 임상구 (국립수산과학원) ;
- 김대중 (국립수산과학원) ;
- 김대현 (국립수산과학원) ;
- 이재용 (동의대학교 분자생물학과) ;
- 김명희 (동의대학교 분자생물학과) ;
- 김병기 (동의대학교 분자생물학과) ;
- 한창희 (동의대학교 분자생물학과)
- Published : 2008.12.30
Abstract
The present study was designed to clarify aspects of the annual reproductive cycle of the fresh water mitten crab, Eriocheir japonicus inhabiting Sumjin river, and to determine the adequate conditions of temperature, photoperiod and salinity on the gonadal maturation and breeding of adult female crabs. Based on the seasonal changes of GSIs and gonadal histology of adult crabs, the annual reproductive cycle could be divided into 4 periods as follows: previtellogenesis period (from September to October) when GSIs were low value and ovaries had oocytes in previtellogenesis stage and meiotic prophase stage; maturing period (from November to March of the next year) when GSIs increased gradually and ovarian oocytes accumulated yolk globules; spawning period (from April to June) when high value of GSI of female was kept and ovigerous female appeared; resting period (from July to August) when GSIs decreased rapidly, and vitellogenic oocytes degenerated. Gonadal maturation was influenced by water temperature, but not photoperiod and salinity. GSI more increased in experimental regime of
본 실험은 동남참게, Eriocheir japonicus의 명확한 생식년주기를 밝히기 위하여, 그들의 자연 서식처인 섬진강에서 채집한 성체 참게의 생식소 조직의 계절적인 변화 그리고, 암 참게 생식소의 성숙과 산란에 미치는 환경요인 즉, 온도, 광주기 그리고, 염분 농도에 대하여 조사하였다. 암 참게의 생식소 발달과 GSI의 계절적 변화를 기초로하여 생식년주기를 다음과 같이 4단계로 구분하였다: 난황형성전기
Keywords
- Freshwater mitten crab;
- Eriocheir japonicus;
- Reproductive cycle;
- Gonadal maturation;
- Breeding;
- Temperature;
- Salinity;
- Day length