Stable isotope analysis suggesting existing of plural populations of Streaked Spinefoot (Siganus javus; Linnaeus, 1766) in Bandon Bay, Southern Thailand.
Stable isotope analysis suggesting existing of plural populations of Streaked Spinefoot (Siganus javus; Linnaeus, 1766) in Bandon Bay, Southern Thailand.
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稳定同位素分析表明泰国南部班顿湾存在多个条纹棘脚（Siganus javus；Linnaeus，1766）种群。
DOI：
10.1007/s40071-016-0132-3
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发表时间：
2016
期刊：
影响因子：
--
通讯作者：
Salaenoi J. and Ishikawa S.
中科院分区：
文献类型：
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作者：
Okamoto Y.;Muto N.;Kon K.;Watanabe K.;Yoshikawa T.;Salaenoi J. and Ishikawa S.
在渔业资源评估和管理中使用的种群单位一般是根据特定种群或物种的形态和遗传特征，以避免将多个种群作为一个种群处理所造成的问题，因为这可能导致对种群规模的高估和遗传污染。此外，由于微生境之间的联系是影响沿海地区海洋生物繁殖的一个重要因素，因此了解每个微生境的食物网对于建立可持续渔业管理做法至关重要。利用遗传种群分析和稳定同位素分析（δ 13 C和δ 15 N）研究了蓝子鱼未成熟期食物来源和食性的空间变异。这些物种通常由小规模渔业捕捞，它栖息在泰国南部苏拉塔尼省的班登湾。样地内的遗传变异大于样地间的遗传变异。S.爪哇湾不同地点之间的碳流量存在差异，这表明不同的生态生境甚至在同一海湾的不同地点之间也表现出不同的碳流量和模式。我们的研究结果表明，遗传种群分析和稳定同位素分析相结合的研究，以确认划定的精细尺度管理单元，沿海渔业资源的发展。
The stock unit used in fisheries resource assessment and management is generally based on the morphological and genetic characteristics of a particular population or species to avert problems caused by the treatment of multiple populations as one stock, which can lead to the overestimation of population sizes and genetic pollution. Furthermore, since the linkage of microhabitats is an important factor affecting the reproduction of marine organisms in coastal areas, an understanding of the food web in each microhabitat is essential to establish sustainable fisheries management practices. We investigated spatial variations in the food sources and feeding habits of immature stage ofSiganus javususing genetic population analyses and stable isotope analyses (δ13C and δ15N). These species are commonly harvested by small-scale fisheries, and it inhabits Bandon Bay in the Surat Thani Province of Southern Thailand. Genetic variation within sampling sites was greater than that between sites. The δ13C values ofS. javusdiffered between sites, which suggest that the different ecological habitats exhibit different rates and patterns of carbon flow even among sites located in the same bay. Our results suggest that studies combining genetic population analyses and stable isotope analyses are required to confirm the delineation of fine-scale management units intended for the development of coastal fishery resources.