한국수산과학회

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  • pISSN : 2234-8395
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  • eISSN : 2234-1757

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kfas, vol. 51, no. 5, pp.556-565, October, 2018
DOI. https://doi.org/10.5657/KFAS.2018.0556

Assessing the Age and Growth of the Butter Clam Saxidomus purpuratus
in Jinhae Bay Using Transmitted Light
투과광을 이용한 한국 진해만 개조개(Saxidomus purpuratus)의 연령과
성장

이미희·김영혜1·차병열·윤병선·류동기2·김성태*
남해수산연구소 자원환경과, 1국립수산과학원 연근해자원과, 2군산대학교 해양생명과학과

The age and growth of butter clams Saxidomus purpuratus were estimated using transmitted light on the shells of
364 samples from January 2017 to December 2017 in Jinhae Bay. Based on monthly variation in the marginal index
(MI) of the shell, it is assumed that rings are formed once a year during the period from July to August in this
species. The relationship between shell length (SL; mm) and shell height (SH; mm) was expressed by the equation
SH=0.8053SL-2.9636 (R2=0.94) and between SL and shell width (SW; mm) by the equation SW=0.5648SL-3.7105
(R2=0.90). The relationship between SL and total weight (TW; g) was expressed by the following equation:
TW=0.00009SL3.2141 (R2=0.96). von Bertalanffy’s growth parameters were estimated using the regression wizard in
the SigmaPlot computer program (Systat Software, Inc., v. 10.0). The maximum shell length (SL∞) was 126.16 mm,
growth rate was 0.2030/year, theoretical age at shell length 0 (t0) was -0.52 years, and asymptotic total weight (TW∞)
was 509.17 g. Growth curves for SL and TW fitted to the von Bertalanffy’s equation were expressed as follows: SLt
= 126.16(1-e-0.2030(t+0.52)), TWt=509.17(1-e-0.2030(t+0.52))3.2141.

Keyword : Key words: Saxidomus purpuratus, Age, Growth, Transmitted light, von Bertalanffy's growth parameter

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