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진해만 동부해역에 분포하는 청어 (Clupea pallasii ) 자치어의 식성 KCI 등재

Feeding habits of larval Clupea pallasii in the Eastern Jinhae Bay, Korea

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  • URLhttps://db.koreascholar.com/Article/Detail/327884
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수산해양기술연구 (Journal of the Korean Society of Fisheries and Ocean Technology)
한국수산해양기술학회(구 한국어업기술학회) (The Korean Society of Fisheriers and Ocean Technology)
초록

The feeding habits of larval (5.0~27.0 mm SL) Clupea pallasii were examined and 1,523 individuals were collected from November 2010 to March 2011 in the coastal water of Eastern Jinhae Bay, Korea. Larval C. pallasii were fed mainly on copepods that constituted 55.2% in IRI. Monogeneans were the second largest prey component, another prey items tintinnids, cladocerans and ostracoda. The results of analysis in ontogenetic changes exhibit high during the daytime, two small size classes (≤10 mm, 10~15 mm) mainly fed copepods. while the percentage of coperpods decreased, monogeneans ratio increased in 15~20 mm size class. Feeding rate in diel difference of larval C. pallasii were high during the daytime.

저자
  • 김현지 | Hyeon-Ji KIM
  • 정재묵(경상대학교 해양식품생명의학과·해양산업연구소·해양생물교육연구센터) | Jae-Mook JEONG (Department of Seafood & Aquaculture Science / Institue of Marine Industry/Marine Bio-Education & Research Center, Gyeonsang National University, Tongyeong 53064, Korea)
  • 박종혁 | Jong-Hyeok PARK
  • 백근욱 | Gun-Wook BAECK Corresponding author