진해만 동부해역에 분포하는 청어 (Clupea pallasii ) 자치어의 식성
(주)코리아스칼라
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- 2023.04.05
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- 2017.02
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서지정보
ㆍ발행기관 : 한국수산해양기술학회(구 한국어업기술학회)
ㆍ수록지정보 : 수산해양기술연구 / 53권 / 1호
ㆍ저자명 : 김현지, 정재묵, 박종혁, 백근욱
영어 초록
The feeding habits of larval (5.027.0 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, 1015 mm) mainly fed copepods. while the percentage of coperpods decreased, monogeneans ratio increased in 1520 mm size class. Feeding rate in diel difference of larval C. pallasii were high during the daytime.
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