Korean Journal of Fisheries and Aquatic Sciences (한국수산과학회지)
- Volume 7 Issue 2
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- Pages.79-86
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- 1974
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- 0374-8111(pISSN)
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- 2287-8815(eISSN)
SPAT COLLECTION AND THE GROWTH OF ANADARA BROUGHTONI SCHRENCK
피조개의 채묘와 초기성장
- YOO Myung-Suk (Pusan Fisheries College) ;
- YOO Sung Kyoo (Pusan Fisheries College)
- Published : 1974.06.01
Abstract
The results from the experiment of natural collection and growth of arkshell(Anadara broughtoni, SCHRENCK) spat, which was collected at Seok-gok Bay located at Chang-weon-gun, Korea, and grown in the 1ittoral zone of Sa-gok-ri, Geo-je-gun, Korea, beginning from August 1,1973 to April 8,1974 are as follows; The larvae of arkshell came out from the very first day of the study August 1, which continued till the end of September, whose amount was not so much varied, but relatively continuous. The drifting larvae were also rather small amount, from which some 200 to 400 larvae were attached through the respective collecting equipment made from straw with the dimension of length 1.5m and breadth 12cm. It is regarded relatively large amount collected and recognised worth while enough to use as the industrial collecting method. The average shell length of spat attached was 0.54mm on 17th September, 4.11mm on 21st October, 10.47mm on 25th November in 1973 and 11.08mm on 8th April in 1974 whose progress was recognized relatively faster, comparing with the other up-to date report, The relationship between the shell length(L) and the longest radial rib(R) was as follows: Below 2.5mm of the shell length: R=0.7393 L -0.0080 Above 2.5mm of the shell length: R=0.8253 L-0.2595 And the relationship between the shell length (L) and the shell breadth (B) was as follows: Below 2.5mm of the shell length: B=0.3505 L +0.0527 Above 2.5mm of the shell length: B=0.4631 L -0.3602 The exponential curve equation between shell length (L) and the total weight (W)was as follows : Below 16mm of the shell length: W=0.19957
1973년 8월 1일부터 1974년 4월 8일까지 경남 창원군 구산면 석곡만에서 자연산 피조개의 치패를 채묘하여 경남 거제군 사등면 사곡리 연안에 이식하여 천연산치패의 탐묘 및 성장에 관한 실험을 하였다. 그 결과, 1. 석곡만의 피조개 유생의 출현양은 비교적 적었고 큰 양적변동이 없었다. 그러나 길이 1.5m, 폭 12cm의 짚으로 만든 섶 부착기에 각각
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