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Genetic structuring of Latris lineata at localized and transoceanic scales

机译：本地和跨洋尺度上Latris lineata的遗传结构

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摘要

Striped trumpeter {Latris lineata) is a demersal teleost distributed around the temperate clines of all the major oceans in the southern hemisphere. Within Tasmanian waters the species is managed as a single stock, although no studies have been performed to confirm genetic panmixia. A protracted pelagic larval phase and a recent transoceanic tag recapture of an adult fish suggest significant potential for genetic mixing between widely separated populations. Phylogenetic analysis of mitochondrial DNA control region sequences suggested no genetic mixing between Tasmania, New Zealand and St Paul/Amsterdam Islands, evidence for the first time that there is population structure at a transoceanic scale for this species. In addition, an analysis of molecular variance coupled with phylogenetic analyses suggested no significant structuring of striped trumpeter from three locations around Tasmania. The information provided in this study is useful for the design of modern fisheries management techniques such as spatially implemented marine reserves. In addition, species-by-species knowledge about population structures of marine species facilitates ecologically useful generalizations concerning their population dynamics and key issues on the broader ecology of the oceans.
机译：条纹号手（Latris lineata）是硬尾硬骨鱼类，分布在南半球所有主要海洋的温带附近。在塔斯马尼亚水域内，该物种作为单一种群进行管理，尽管尚未进行任何研究来证实遗传性混血症。延长的上层幼体期和最近对成年鱼的越洋标签捕获表明在广泛分离的种群之间进行遗传混合的巨大潜力。线粒体DNA控制区序列的系统进化分析表明，塔斯马尼亚岛，新西兰和圣保罗/阿姆斯特丹群岛之间没有遗传混合，这首次证明该物种具有跨洋尺度的种群结构。此外，对分子变异的分析以及系统发育分析表明，塔斯马尼亚岛附近三个位置的条纹小号没有明显的结构。这项研究中提供的信息可用于设计现代渔业管理技术，例如空间实施的海洋保护区。此外，关于海洋物种种群结构的种间知识有助于促进有关其种群动态和更广泛的海洋生态学关键问题的生态学有用的概括。

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