印尼本卡利斯岛水域的蓝蛤繁殖方面(Dhayes 1839)。

Q3 Agricultural and Biological Sciences
Syafruddin Nasution, Nuraini
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引用次数: 0

摘要

<;b>;背景和目的:</b>;竹蛤<;i>;Solen lamarckii</i>;是双壳类动物的一种,在印度尼西亚水域具有重要的经济价值。一个物种的生殖生物学知识对于适当和可持续的渔业管理至关重要。研究了印度尼西亚本卡利斯岛沿海水域蛤蜊性腺成熟度的月变化<;b>;材料和方法:</b>;2020年5月至9月退潮期间,每月在潮间带采集蛤蜊样本。共检查了239个标本,其中女性116个,男性123个。本研究观察到的生殖方面包括性别比、性腺指数、月性腺成熟度和女性生殖能力。成熟的雌性或接近产卵期被用来估计繁殖力。性别比使用卡方检验进行分析,而通过方差分析来确定雌性个体之间的繁殖力差异<;b>;结果:</b>;根据性腺体指数(GSI)和对两性性腺的组织学观察,可以得出结论,8月是早期产卵期,10月至11月似乎是产卵高峰期。性别比采用卡方检验进行分析,卡方检验与产次没有什么不同。雄性和雌性之间的性腺成熟时间表明是同步的,在采集中没有观察到雌雄同体。雌性壳长在75.5至89.3mm之间,每1只雌性(N=10)产4.63×103-7.43×103个卵。壳长在75.5和89.3毫米之间的雌性具有不同的繁殖力,但方差分析显示没有显著差异(Sig>0.05);b>;结论:</b>;基于性腺小体指数(GSI)和组织学分析,<;i>;拉马克氏S.lamarckii</i>;8月在孟加拉水域繁殖。雄性和雌性表现出同步产卵。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Reproductive Aspects of the Bamboo Clam Solen lamarckii (Dhayes 1839), in Bengkalis Island Waters, Indonesia.

<b>Background and Objective:</b> Bamboo clam <i>Solen lamarckii</i> is one of the bivalve's species that have important economic value in Indonesian waters. Knowledge of the reproductive biology of a species is essential for proper and sustainable fisheries management. Monthly variations in the gonad maturity level of the clams from the coastal waters of Bengkalis Island Indonesia, were examined. <b>Materials and Methods:</b> Samples of the clam were collected monthly at the intertidal zone during low tide from May to September, 2020. A total of 239 specimens of which 116 females and 123 males were examined. Reproductive aspects observed in this study included sex ratio, gonadosomatic index, monthly gonadal maturity level and female fecundity. Mature female or near spawning phases were used for fecundity estimation. The sex ratios were analysed using a Chi-quadrat-Test, whereas to determine differences in fecundity between female individuals tested by Analysis of Variance. <b>Results:</b> Based on the gonadosomatic index (GSI) and histological observation of both sexes's gonads, it can be concluded that early spawning occurred in August and the peak seemed to take place during October-November. The sex ratios were analysed using a Chi-quadrat-Test which was not different from parity. Gonad maturation time between males and females indicates synchrony and no hermaphrodites were observed in the collection. Females shell length range of 75.5 to 89.3 mm produced 4.63×103-7.43×103 eggs ind-1 female (N = 10). Females with a shell length between 75.5 and 89.3 mm had varying fecundities, but analysis of variance showed no significant difference (Sig>0.05). <b>Conclusion:</b> Based on the gonadosomatic index (GSI) and histological analysis, <i>S. lamarckii</i> in Bengkalis waters spawned in August. Males and females showed spawning synchrony.

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来源期刊
Pakistan Journal of Biological Sciences
Pakistan Journal of Biological Sciences Agricultural and Biological Sciences-Agronomy and Crop Science
CiteScore
1.90
自引率
0.00%
发文量
102
期刊介绍: Pakistan Journal of Biological Sciences (PJBS) is an international, peer-reviewed and well indexed scientific journal seeks to promote and disseminate the knowledge of biological sciences by publishing outstanding research in the field. Scope of the journal includes: Cell biology, developmental biology, structural biology, microbiology, entomology, toxicology, molecular biology & genetics, biochemistry, biotechnology, biodiversity, ecology, marine biology, plant biology and bioinformatics.
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