Ocean and Polar Research

  • 제44권3호
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  • Pages.261-267
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  • 2022
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  • 1598-141X(pISSN)
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  • 2234-7313(eISSN)
한국해양과학기술원 (Korea Institute of Ocean Science & Technology)
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봄철 부산 연안의 요각류 Calanus sinicus의 길이-무게 관계식

Length-Weight Relationship of the Copepod Calanus sinicus off Busan in Spring

  • 강형구 (한국해양과학기술원 해양생태연구센터) ;
  • 김가람 (한국해양과학기술원 해양생태연구센터) ;
  • 이연정 (한국해양과학기술원 해양생태연구센터)
  • Kang, Hyung-Ku (Marine Ecosystem Research Center, Korea Institute of Ocean Science & Technology) ;
  • Kim, Garam (Marine Ecosystem Research Center, Korea Institute of Ocean Science & Technology) ;
  • Lee, Yeonjung (Marine Ecosystem Research Center, Korea Institute of Ocean Science & Technology)
  • 투고 : 2022.05.10
  • 심사 : 2022.06.22
  • 발행 : 2022.09.30
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초록

We derived a length-weight relationship for Calanus sinicus off Busan, Korea in spring to estimate the biomass of the C. sinicus population around Korean waters, and compared it with the previously derived equations. The developmental stages and prosome length of C. sinicus used in the relationship ranged from 1,376-1,540 ㎛ for copepodite 4 (CIV), 1,753-1,971 ㎛ for copepodite 5 (CV), and 2,160-2,283 ㎛ for adults (CVI). Dry weight and carbon content were measured from a total of 26 replicates. Length-weight relationships derived in the present study are as follows: log C = 3.342 log PL - 9.449, log DW = 3.394 log PL -9.219, where C is carbon content (㎍), DW is dry weight (㎍), and PL is prosome length (㎛). When comparing the present regression equation of length-weight for C. sinicus with the previous one, our regression equation showed an average carbon estimate to a given range of mean prosome length. The length-weight relationship of C. sinicus in the present study can be used to better estimate the biomass of the C. sinicus population in the coastal waters of Korea.

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과제정보

본 연구는 한국해양과학기술원의 연구과제(PEA0012, PEA0013, PEA0022)의 지원으로 수행되었습니다.

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