수산해양기술연구(구 한국어업기술학회지) 56권 1호 (p.11-17)

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봄철 제주 주변해역 갈치, Trichiurus japonicus 어란 분포현황

Occurrence of the eggs of hairtail, Trichiurus japonicus in the coastal waters of Jeju Island, Korea in spring
키워드 :
Hairtail,Trichiurus japonicus,Egg,Jeju Island,Spring

목차

서 론
재료 및 방법
결 과
   갈치 어란의 외부형태
   갈치의 난경분포 현황
   갈치 어란의 월별 출현량 현황
   갈치 어란의 수평 분포현황
   갈치 어란의 분포밀도와 수온ㆍ염분과의 관
고 찰
결 론
References

초록

The occurrence of eggs of hairtail, Trichiurus japonicus was examined in the coastal waters of Jeju Island, Korea in spring from May to June in 2014, April to May in 2015, and April to in 2016. As a whole, hairtail eggs occurred abundantly in May, 2014. Especially, high densities over 300 ind./1,000 m3 of eggs abundances in May and June, 2014 occurred in the north-western area of Jeju Island where is upwelling phenomenon occurred throughout the year. In the relationship between T-S and the hairtail eggs abundances, high densities over 100 ind./1,000 m3 of eggs abundances occurred in temperature of 18.1-18.7℃ and salinity of 33.92-34.87‰ in May when hairtail eggs occurred abundantly.