Korean Journal of Ichthyology (한국어류학회지)

The Ichthyological Society of Korea (한국어류학회)
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Age and Growth Characteristic of Pacific Anchovy, Engraulis japonicus, in the Southern Waters of Korea Based on the Year Ring of Otolith and Collection Date

이석 윤문 및 채집시기를 이용해 분석된 남해 멸치(Engraulis japonicus)의 연령과 성장특성

  • Lee, Hae Won (Fisheries Resources Research Center, National Institute of Fisheries Science) ;
  • Hwang, Sun Do (National Marine Biodiversity Institute of Korea) ;
  • Kim, Heeyong (South Sea Fisheries Research Institute, National Institute of Fisheries Science)
  • 이해원 (국립수산과학원 수산자원연구센터) ;
  • 황선도 (국립해양생물자원관) ;
  • 김희용 (국립수산과학원 남해수산연구소)
  • Received : 2021.01.29
  • Accepted : 2021.03.15
  • Published : 2021.03.31
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Abstract

In order to understand the age and growth characteristics of Pacific anchovy, Engraulis japonicus, the 506 otoliths of individuals collected in the southern waters of Korea in 2004 were analyzed. Monthly age of anchovies was estimated based on the age determined through the year rings and their collection date. The growth parameters obtained using the monthly folk lengths were a theoretical maximum body length of 132.9 mm, a growth coefficient of 0.1079/month and a theoretical age of 0.0262 month when the fork length is zero. The growth equation of von Bertalanffy presented by the growth parameters was Lt=132.9(1-e-0.1079(t-1.0262)). The estimation of growth parameters based on the monthly age established through year ring and collection date was deemed appropriate for understanding the growth characteristics of anchovies.

멸치의 연령 및 성장특성을 분석하기 위해 2004년에 남해 연안에서 채집된 개체들의 이석 506개를 분석하였으며, 윤문에 의해 결정된 연령과 채집시기를 기준으로 멸치의 월령을 추정하였다. 월령별 가랑이 체장을 이용하여 구한 성장 매개변수인 이론적 최대 체장은 132.9 mm, 성장계수는 0.1079/month였으며 체장이 0일 때의 이론적 연령은 1.0262월이었다. 이들 매개변수로 von Bertalanffy 체장성장식을 나타내면, Lt=132.9(1-e-0.1079(t-1.0262))였다. 연륜과 채집시기를 통해 설정한 월령 기준의 성장 매개변수 추정은 우리나라 멸치의 성장특성을 파악하기에 적절한 것으로 판단되었다.

Keywords

Acknowledgement

이 논문은 2021년도 국립수산과학원 수산과학연구사업(R2021027)의 지원을 받아 수행된 연구입니다.

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