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

Hyung-Ku Kang; Garam Kim; Yeonjung Lee

doi:10.4217/OPR.2022016

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2022 Vol.44, Issue 3 Preview Page Next Page

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Length-Weight Relationship of the Copepod Calanus sinicus off Busan in Spring 봄철 부산 연안의 요각류 Calanus sinicus의 길이-무게 관계식

30 September 2022. pp. 261-267

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Abstract

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 µm for copepodite 4 (CIV), 1,753–1,971 µm for copepodite 5 (CV), and 2,160–2,283 µm 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 (µg), DW is dry weight (µg), and PL is prosome length (µm). 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.

Keywords

copepoda

Calanus sinicus

length-weight relationship

prosome length

carbon content

dry weight

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Information

Publisher :Korea Institute of Ocean Science and Technology
Publisher(Ko) :한국해양과학기술원
Journal Title :Ocean and Polar Research
Journal Title(Ko) :Ocean and Polar Research
Volume : 44
No :3
Pages :261-267
Received Date : 2022-05-10
Revised Date : 2022-06-20
Accepted Date : 2022-06-22
DOI :https://doi.org/10.4217/OPR.2022016

Ocean and Polar Research ISSN:2234-7313(Online) Ocean and Polar Research

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국문 참고자료의 영문표기 English translation / Romanization of references originally written in Korean