개조개 (Saxidomus purpuratus) 의연령과성장 , (Fig. 1; MEIS, 2018)., 2010 (Kim et al., 2010) 71.9 mm mm (Lee et al.

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1 한수지 51(5), , 2018 Original Article Korean J Fish Aquat Sci 51(5), ,2018 투과광을이용한한국진해만개조개 (Saxidomus purpuratus) 의연령과성장 이미희 김영혜 1 차병열 윤병선 류동기 2 김성태 * 남해수산연구소자원환경과, 1 국립수산과학원연근해자원과, 2 군산대학교해양생명과학과 Assessing the Age and Growth of the Butter Clam Saxidomus purpuratus in Jinhae Bay Using Transmitted Light Mi-Hee Lee, Yeonghye Kim 1, Byung-Yul Cha, Byoung-Sun Yoon, Dong-Ki Ryu 2 and Sung-Tae Kim* South Sea Fisheries Research Institute, National Institute of Fisheries Science, Yeosu 59780, Korea 1 Fisheries Resources Management Division, National Institute of Fisheries Science, Busan 46083, Korea 2 Department of Aquaculture and Aquatic Science, Kunsan National University, Gunsan 54150, Korea 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 (R 2 =0.94) and between SL and shell width (SW; mm) by the equation SW=0.5648SL (R 2 =0.90). The relationship between SL and total weight (TW; g) was expressed by the following equation: TW= SL (R 2 =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 mm, growth rate was /year, theoretical age at shell length 0 (t 0 ) was years, and asymptotic total weight (TW ) was g. Growth curves for SL and TW fitted to the von Bertalanffy s equation were expressed as follows: SL t = (1-e (t+0.52) ), TW t =509.17(1-e (t+0.52) ) Key words: Saxidomus purpuratus, Age, Growth, Transmitted light, von Bertalanffy's growth parameter 서론 (Saxidomus purpuratus) 40 m (Min, 2004)..,. (Kim et al., 2003), (Shin et al., 2007), (Kim et al., 2010), (Lee et al., 2013). Kim (1971), Zhang et al. (2004) (Kim et al., 2007).,, ,983 (KOSIS, 2018) , TAC (total allowable catch). 2008,, ,000, ,000, ,104., , Korean J Fish Aquat Sci 51(5), , October 2018 This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial Licens ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. Received 4 September 2018; Revised 22 September 2018; Accepted 23 October 2108 *Corresponding author: Tel: Fax: address: kste1362@korea.kr Copyright 2018 The Korean Society of Fisheries and Aquatic Science 556 pissn: , eissn:

2 개조개 (Saxidomus purpuratus) 의연령과성장 , (Fig. 1; MEIS, 2018)., 2010 (Kim et al., 2010) 71.9 mm mm (Lee et al., 2013) 2015 (Lee, 2015) 50.1 mm.,,.. (Kim et al.,2003; Zhang et al., 2004).. 재료및방법 표본채집및계측 (12 ) 1 ( 30, 364 ) (Fig. 2). Vernier caliper (shell length, SL), (shell height, SH), (shell width, SW) 0.01 mm, (Total weight, TW) 0.01 g.,. 연령사정.., (TH4-200, OLYMPUS, Japan) 2. Fig mm. Chang (1982) (average coefficient of variation, CV), (Campana and Jones, 1992; Hoenig et al., 1995; Campana, 2014). N CV=100% 1 N j=1 R X -(X ) ij J i=1 R X j X ij j i, X j j, R. 1 (1 ), 2 (2 ) 9 (9 ). (marginal index, MI),.. MI= R-r n r n -r n-1 Fig. 1. Water temperature change in survey area ( ) (MEIS).

558 이미희ㆍ김영혜ㆍ차병열ㆍ윤병선ㆍ류동기ㆍ김성태, SL t TW t t, SL TW, k, t 0 0, b. 결과 각장과윤경의대응성 Fig. 2. Map showing the sampling site in the Jinhae Bay of Korea. R, r n, r n-1 n-1.. Shin et al. (2007), Kim et al.

3 558 이미희ㆍ김영혜ㆍ차병열ㆍ윤병선ㆍ류동기ㆍ김성태, SL t TW t t, SL TW, k, t 0 0, b. 결과 각장과윤경의대응성 Fig. 2. Map showing the sampling site in the Jinhae Bay of Korea. R, r n, r n-1 n-1.. Shin et al. (2007), Kim et al. (2010) Lee et al. (2013).. Fatness= MW 10 3 SL 3, MW (meat weight) (g), SL (mm).,.. von Bertalanffy (Bertalanffy, 1938), Walford (1946) (Non-linear regression). SL t =SL (1-e -k(t-t 0 ) ) TW t =TW (1-e -k(t-t 0 ) ) b %, 2 95% %, %, ,..,., (Fig. 4). 윤문형성시기, (marginal index) (Fig. 5) , ,, , 7-8., 비만도 Fig. 6., 1 3

(TW). TW=0.00009SL 3.2141 (R 2 =0.96) (Fig. 7). von Bertalanffy 성장식, 1-9 (Table 1). 1 r 1 34.96 mm, r 2 53.66 mm, r 3 65.36 mm, r 4 76.27 mm, r 5 84.81 mm, r 6 91.21 mm, r 7 97.26 mm, r 8 102.

4 개조개 (Saxidomus purpuratus) 의연령과성장 559 (A) (B) Fig. 3. A, The ring that appears on the shell through the lighting device. B, Shell length (SL) and ring diameters (r 1 -r 6 ) of clam Saxidomus purpuratus 상대성장 (SL) (SH) (SW) SH=0.8053SL (R 2 =0.94), SW=0.5648SL (R 2 =0.90). (TW). TW= SL (R 2 =0.96) (Fig. 7). von Bertalanffy 성장식, 1-9 (Table 1). 1 r mm, r mm, r mm, r mm, r mm, r mm, r mm, r mm, r mm. Walford (1946). (SL ) mm, (k) 0.203/year, 0 (t 0 ) SL t =126.16(1-e (t+0.52) ), r g, r g, r g, r g, r g, r g, r g, r g, r g (Fig. 8). 고찰 TW t =509.17(1-e (t+0.52) ) TAC (Zhang et al., 2004; Kim et al., 2007) (Jin et al., 2011), (Yoon, 2015)., (Ryu and Kim, 2001; Ryu et al., 2006), (Kim et al., 1985; Chung et al., 1987).

5 560 이미희ㆍ김영혜ㆍ차병열ㆍ윤병선ㆍ류동기ㆍ김성태 Fig. 4. Relationship between shell length (SL) and ring diameter of clam Saxidomus purpuratus from January 2017 to December (Ryu and Kim, 2001; Kim et al., 2014). aragonite crystal (CaCo 3 ), (Liew, 1974; Woo, 1989)., (HCl) (Kim et al., 2003; Zhang et al., 2004), (Lee and Kim, 2017).,,.., 2 90% , Kim et al. (2003) Kim et al. (2003)

6 개조개 (Saxidomus purpuratus) 의연령과성장 561 Fig. 5. Monthly change of shell marginal indices clam Saxidomus purpuratus from January 2017 to December Fig. 6. Monthly changes in the fatness of clam Saxidomus purpuratus., , (Wei et al., 1982; Ryu and Kim, 2001; Zhang et al., 2004; An et al., 2015; Lee et al., 2017).,. (Kim, 1969) 5-11 ( 8-10 ), (Chung et al., 1999) 5-10 ( 8-9 ), (Ahn, 2001) 5-8 ( 8-9 ), (Shin et al., 2007) 4-10 ( 7-9 ), Kim et al. (2010) 4-12 ( 6-8 ), Lee et al. (2013) 6-12 ( 7-10 ) ,.

7 562 이미희ㆍ김영혜ㆍ차병열ㆍ윤병선ㆍ류동기ㆍ김성태 (A) (B) Fig. 7. (A) Relationship between shell height (SH) and shell width (SW) and shell length (SL) of clam Saxidomus purpuratus. (B) Relationship between shell length (SL) and total weight (TW) of Saxidomus purpuratus. 9, Zhang et al. (2004) 8, Kim et al. (2003) 9, Wei et al. (1982) mm Wei et al. (1982) 15.4 mm, Kim et al. (2003) mm, Zhang et al. (2004) mm. Table 1. Estimated shell length and total weight at the time of each ring formation based on the relationship between shell length and total weight of clam Saxidomus purpuratus Shell length (mm) Total weight (g) Ring group Number of individuals Ring diameter (mm) r 1 r 2 r 3 r 4 r 5 r 6 r 7 r 8 r Mean Mean

8 개조개 (Saxidomus purpuratus) 의연령과성장 563 (A) (B) Fig. 8. A, Shell length-based von Bertalanffy s growth curve in clam Saxidomus purpuratus. B, Total weight-based von Bertalanffy s growth curve in Saxidomus purpuratus. Fig. 9. Comparison of shell length-based von Bertalanffy s growth curve in clam Saxidomus purpuratus in three papers., Lee et al. (2005) 0.9 mm mm, Jin et al. (2011) 15.7 mm mm., mm, 1 35 mm. Zhang et al. (2004) mm, mm, Zhang et al. (2004) mm, mm. Kim et al. (2003) mm, mm. Kim et al. (2003) 1 2, mm mm , Kim et al. (2003) Zhang et al. (2004) ,.

9 564 이미희ㆍ김영혜ㆍ차병열ㆍ윤병선ㆍ류동기ㆍ김성태,,. Zhang et al. (2004) Kim et al. (2003) 10, 2 Zhang et al. (2004), 3-5 Kim et al. (2003). 6-8 Kim et al. (2003), Zhang et al. (2004) (Fig. 9) mm, Kim et al. (2003) mm, Zhang et al. (2004) mm., Wei et al. (1982) Kim et al. (2003), Zhang et al. (2004) 130 mm, 10. TAC.,.,. 사사 2018 (R ),. References Ahn SH Annual reproductive cycle of Saxidomus purpuratus (Sowerby) (Bivalvia: Veneridae) in Sacheon bay, Korea. M.S. Thesis, Pukyong National University, Busan, Korea. An HC, Hong SE, Bae JH, Kim JW, Yoon BS Age and growth of great tellin, Megangulus venulosus in the coastal waters of Gangneung, Korea. J Korean Soc Fish Technol 51, Bertalanffy L von A quantitative theory of organic growth (Inquiries on growth laws II). Human Biology 10, Campana SE Age determination of elasmobranchs, with special reference to Mediterranean species : A technical manual. Studies Rev 94, Campana SE and Jones CM Analysis of otolith microstructure data. In: Stevenson DK and SE Campana (eds.), Otolith microstucture examination and analysis. Can Spec Publ Fish Aquat Sci 117, Chang WYB A statistical method for evaluating the reproducibility of age determination. Can J Fish Aquat Sci 39, Chung EY, Kim YG and Lee TY A study on sexual maturation of hen clam Mactra chinensis Philippi. Bull Korean Fish Soc 20, Chung EY, Kim YM and Lee SG Ultrastructural study of germ cell development and reproductive cycle of the purplish Washington clam, Saxidomus purpuratus (Sowerby). Yellow Sea 5, Hoenig JM, Morgan MJ and Brown CA Analysing differences between two age determination methods by tests of symmetry. Can J fish Aquat Sci 52, org/ /f Jin YG, Oh BS, Jung CK, Kim TI and Park MW Surivival and growth of the purplish washington clam, Saxidomus purpuratus spat sowed in bottom and intermediate culture. Korean J Malacol 27, kjm Kim AY Studies on the gametogenesis and breeding season of Saxidomus purpuratus (Sowerby). Publicaton of Marine Laboratory, Pusan Fishery College 2, Kim AY Ecological studies on the propagation of Saxidomus purpuratus (Sowerby). Korean J Fish Aquat Sci 4, Kim CS, An JE, Choi JD and Ryu DK Age and growth of the Gomphina (Macridiscus) veneriformis (Lamark, 1818) in the Wonsan coast of East Swa. Korean J Malacol 30, Kim Y, Park MS and Lee SD Occurrence and growth of pen shell, Atrina pectinata (Reeve) Larvae in Yeoja Bay. Bull Fish Res Dev Agency 34, Kim YS, Kim YH, Kim JB, Chang DS, Lee DW and Kang HJ Reproductive biology of the purplish Washington clam, Saxidomus purpuratus in the East China Sea. Korean J Malacol 26, Kim YH, Kwon DH, Chang DS, Kim JB, Kim ST and Ryu DK Stock assessment of purplish washington clam, Saxidomus purpuratus in the Southern Coastal waters of Korea. Korean J Malacol 23, Kim YH, Ryu DK, Chang DS and Kim ST Age and growth of purpulish washington clam (Saxidomus purpuratus) in Jinhae bay, Korea. Korean J Fish Aquat Sci 36, KOSIS (Korean statistical information service) Survey

10 개조개 (Saxidomus purpuratus) 의연령과성장 565 on fishery production. Retrieved from on Jul 24, Lee CH, Han GM and Choi JW Substrate selection for larval settlement and spat growth in the purple clam, Saxidomus purpuratus (Sowerby) in laboratory culture. Korean J Malacol 21, Lee SK, Chang DS, Kim JB and Park MA Reproduction study of purplish Washington clam, Saxidomus purpuratus in Jinhae bay, Korea: Spawning and shell length at 50% sexual maturity. J Kor Soc Fish Tech 49, doi.org/ /ksft Lee MH and Kim YH Age Determination Method of Saxidomus purpuratus. Korean J Malacol 33, /kjm Lee JS Identification of spawning season of Saxidomus purpuratus and Octopus minor by histological analysis. Chonnam National University Industry University Cooperation. Lee MH, Choi JD, No GH, Shin SJ and Ryu DK Age and growth of Corbicula japonica in the Seomjin River, Korea. Korean J Malacol 33, kjm Liew PK Age determination of American eels based on the structure of their otoliths. In International Symposium on the Ageing of Fish, Unwin Brothers Limited. Surrey, U.K., Min DK Mollusks in Korea (revised supplementary edition). Min Molluscan Research Institute, Seoul, Korea. MEIS (marine environment information system) Survey on water temperature. Retrieved from go.kr on Oct 4, Ryu DK and Kim YH Management of hen clam, Mactra chinensis Philippi, on the coast of Kunsan. I. Age and growth. Korean J Malacol 17, Ryu DK, Chung EY and Kim YM Age and growth of the hard clam, Meretrix lusoria (Bivalvia: Veneridae) on the West coast of Korea. The Sea 11, Shin YK, Choi NJ, Oh BS, Jung AJ and Kim SY Gonad development and reproductive cycle of the purplish washington clam, Saxidomus purpuratus (Bivalvia: Veneridae) from Gangjin bay. Korean J Malacol 23, Walford LA A new graphic method of describing the growth of animals. Bio Bull, Wei LP, Shu YF, Guan F, Han YP and Yu ZR A preliminary survey on the biology of Saxidomus purpuratus. J Fish China 6, 1-8. Woo KS Textural, isotopic, and chemical investigation of cultured pearls. J Kor Soc Oceanogr 24, Yoon JM Geographical Variations and Genetic Distances of Three Saxidomus purpuratus Populations ascertained by PCR Analysis. Dev Reprod 19, org/ /dr Zhang CI, Yoon SC and Lee SK A Population ecological study of purplish washington clam (Saxidomus purpuratus) in adjacent waters of Geoje Island. J Korean Soc Fish Res 6,

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