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논문 기본 정보

자료유형
학술저널
저자정보
김용호 (군산대학교) 김성한 (군산대학교)
저널정보
한국수산해양교육학회 수산해양교육연구 수산해양교육연구 제29권 제2호 (통권 제86호)
발행연도
2017.4
수록면
422 - 435 (14page)
DOI
10.13000/JFMSE.2017.29.2.422

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초록· 키워드

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Intermolt periods, growth rates, survival (%) and relative growth of the megalopa larvae of Portunus trituberculatus (Miers, 1876) were studied up to the crab 7th stage for 160 days in the 3 different temperature groups in which each has 60 larvae. The higher the water temperature was the shorter the intermolt period was in each crab stage. In addition, a deviation of intermolt periods was shown as few as the water temperature gets higher. The intermolt period in the 7th crab stage was 29.8±3.26 days in the experimental group at the room temperature, 45.2±3.89 days at the temperature of 17℃, and 25.6±2.23 days at the temperature of 27℃, respectively. The survival (%) of larvae of P. trituberculatus (the crab 7th stage) is the highest in the group at the room temperature: However, they showed 15% at the temperature of 27℃ and 10% at the temperature of 17℃. All the groups were shown the similar relative growth, but significant differences appeared in some comparison. The sizes (mean growth of carapace width) of the crabs in the group at the temperature of 27℃ reached 5.01~25.45 mm length (it is the longest among the groups) from the crab 1th to the crab 7th stage. However, the sizes (mean growth of carapace width) of room temperature were 4.99~22.26 mm and the size of crab in the group at the temperature of 17℃ reached 4.8~17.26 mm, The sizes (mean growth of carapace length) of the crabs in the group at temperature of 27℃ reached 2.88~13.56 mm, However, the size of the crab in the group at the room temperature showed 2.88~12.34 mm, while in the group at temperature of 17℃, their average growth of carapace length were 2.51~8.03 mm. The growth rates of larvae of P. trituberculatus (from the crab 1th to the crab 7th stage) were changed with the increase of the instar stage, however their changes showed irregular.

목차

Abstract
Ⅰ. 서론
Ⅱ. 재료 및 방법
Ⅲ. 결과
Ⅳ. 고찰
Ⅴ. 결론 및 요약
References

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