济州岛日本鱼叉龙虾的成熟和产卵

Bulletin of The Korean Society of Fisheries Technology Pub Date : 2009-11-30 DOI:10.3796/KSFT.2009.45.4.287

Han Na Lee, J. Choi, Yang-Jae Im, Joon-Taek Yoo, T. Oh, Jung Nyun Kim

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引用次数: 1

摘要

(冯·西博尔德)2008年1月—9月在济州岛附近被俘。测定甲壳长度(CL)、体重(BW)和性腺重量(GW)。计算性腺指数(GSI)和性别比。雌性种群CL在6月最高，8月以后逐渐降低。GW在7月达到峰值，8月后迅速下降。平均性腺指数(GSI)在6 - 8月间达到最大值。鸡蛋的数量从143,360到189,504不等。关键词:

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Maturation and spawning of Japanese spear lobster, Linuparus trigonus(Von Siebold) in Jeju Island

(Von Siebold) captured around Jeju island from January to September, 2008. Carapace length(CL),body weight(BW) and gonad weight(GW) were measured. Gonadosomatic index(GSI) and sex ratio werecalculated. In female group, CL showed the highest value in June and decreased after August. GW showed apeak in July and decreased rapidly after August. The mean gonadosomatic Index(GSI) reached a maximumvalue between June and August. Number of egg ranged from 143,360 to 189,504.Key words :

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Bulletin of The Korean Society of Fisheries Technology

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