Migratory Characteristics as a Key Factor for Determining the Population Structure of a Diadromous Species: Eels Tend to Be Panmictic while Salmon Divide Populations with Ease

机译：迁徙特征作为确定日记物种人口结构的关键因素：鳗鱼倾向于是持续的，而三文文称分裂群体

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Eels and salmon are typical representative fishes of the diadromous life histories of catadromy and anadromy, respectively. Although the population structure of anadromous salmonid species has been well studied, those of catadromous anguillid eels, especially tropical species, are poorly known. Anguillid eel population structures have been thought to be basically panmictic because they have species-specific spawning areas far offshore and the glass eels recruit randomly to freshwater habitats. However, we found multiple population structures for three anguillid species—giant mottled eel Anguilla marmorata, A. bicolor, and A. australis—by analyzing genetic variations of microsatellite (nuclear DNA) and control region sequences (mitochondrial DNA).Marbled eel has the widest geographic distribution among anguillid species, ranging from the western Indian Ocean to the eastern Pacific Ocean.

机译：鳗鱼和鲑鱼是多元寿命历史的典型代表性鱼类的多元和阿联酋。虽然已经很好地研究了阿脱包鲑鱼种类的人口结构，但是具有多元的血小板鳗鱼，尤其是热带物种的人。 Anguillid EEL人口结构被认为基本上是持危害的，因为它们具有特定于特定的产卵地区，近海和玻璃鳗鱼随机招募到淡水栖息地。然而，我们发现三种Anguillid型斑点斑驳的鳗鱼Anguilla marmorata，A.Bicolor和A. Australis的多种人口结构分析了微卫星（核DNA）和对照区域序列（线粒体DNA）的遗传变化。单独的鳗鱼有昂贵物种中最广泛的地理分布，从西印度洋到东太平洋。

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《International Symposium "Challenges for Diadromous Fishes in a Dynamic Global Environment"》|2009年||共3页
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Yuki Minegishi; Jun Aoyama; Katsumi Tsukamoto;
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Migratory Characteristics as a Key Factor for Determining the Population Structure of a Diadromous Species: Eels Tend to Be Panmictic while Salmon Divide Populations with Ease

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