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首页> 外文期刊>ICES Journal of Marine Science >Genetic population structure of European anchovy in the Mediterranean Sea and the Northeast Atlantic Ocean using sequence analysis of the mitochondrial DNA control region
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Genetic population structure of European anchovy in the Mediterranean Sea and the Northeast Atlantic Ocean using sequence analysis of the mitochondrial DNA control region

机译：欧洲线鱼在地中海和东北大西洋的遗传种群结构，通过线粒体DNA控制区的序列分析

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摘要

The European anchovy (Engraulis encrasicolus) exhibits a complex population structure in the Mediterranean Sea and Northeast Atlantic Ocean. To resolve the population genetic structure of this species, we surveyed sequence variability in the mitochondrial (mtDNA) control region in samples (n = 563) from 13 locations in the Northeast Atlantic, the Bay of Biscay, and the Mediterranean Sea. Based on pairwise Φ_(st)S, SAMOVA, and multidimensional scaling, a complicated population structure composed of multiple populations emerged. Combining these results with those from previous population studies based on mitochondrial and nuclear markers, we identified nine genetically differentiated European anchovy populations: (ⅰ) Canary Islands; (ⅱ) Cadiz; (ⅲ) Alboran Sea; (ⅳ) Garona; (ⅴ) Arcachon and Donostia; (ⅵ) a large population in the northwestern Mediterranean, including Cadaques, Gulf of Lyon, Elba, and Sicily; (ⅶ) southern Adriatic; (ⅷ) northern Adriatic; and (ⅸ) Aegean Sea. We suggest that independent management strategies should be implemented for each genetically differentiated population, and, in cases where several fisheries stocks are recognized within an area of genetic homogeneity, each stock should be managed separately.
机译：欧洲an鱼（Engraulis encrasicolus）在地中海和东北大西洋地区表现出复杂的种群结构。为了解决该物种的种群遗传结构，我们调查了东北大西洋，比斯开湾和地中海的13个地点的样本（n = 563）中线粒体（mtDNA）控制区域的序列变异性。基于成对的Φ_（st）S，SAMOVA和多维标度，出现了由多个种群组成的复杂种群结构。将这些结果与先前基于线粒体和核标记的人口研究结果相结合，我们确定了9个遗传分化的欧洲genetic鱼种群。 （ⅱ）加的斯； （ⅲ）阿尔伯兰海； （ⅳ）迦罗娜； （ⅴ）阿卡雄和多诺斯蒂亚； （ⅵ）地中海西北部人口众多，包括Cadaques，里昂湾，厄尔巴岛和西西里岛； （ⅶ）亚得里亚海南部； （ⅷ）亚得里亚海北部； （ⅸ）爱琴海。我们建议应为每个遗传分化的种群实施独立的管理策略，并且，如果在遗传同质性区域内识别出几种渔业种群，则应对每种种群进行单独管理。

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