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首页> 外文期刊>Journal of Fish Biology >Reproductive isolation and genetic differentiation of ferox trout fromsympatric brown trout in Loch Awe and Loch Laggan, Scotland
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Reproductive isolation and genetic differentiation of ferox trout fromsympatric brown trout in Loch Awe and Loch Laggan, Scotland

机译：苏格兰敬畏湖和拉格甘湖的同型褐鳟铁fer鳟鱼的繁殖分离和遗传分化

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摘要

Molecular marker studies reported here, involving allozymes, mitochondrial DNA and microsatellites, demonstrate that ferox brown trout Salmo trutta in Lochs Awe and Laggan, Scotland, are reproductively isolated and genetically distinct from co-occurring brown trout. Ferox were shown to spawn primarily, and possibly solely, in a single large river in each lake system making them particularly vulnerable to environmental changes. Although a low level of introgression seems to have occurred with sympatric brown trout, possibly as a result of human-induced habitat alterations and stocking, ferox trout in these two lakes meet the requirements for classification as a distinct biological, phylogenetic and morphological species. It is proposed that the scientific name Salmo ferox, as already applied to Lough Melvin (Ireland) ferox, should be extended to Awe and Laggan ferox.
机译：此处报道的分子标记研究涉及同工酶，线粒体DNA和微卫星，证明了位于苏格兰洛奇奥威和拉格甘的Ferox褐鳟鳟鱼Salmo trutta是生殖分离的，并且在遗传上不同于共生的褐鳟鱼。事实证明，Ferox主要在每个湖泊系统中的一条大河中产卵，也可能只在一条大河中产卵，因此它们特别容易受到环境变化的影响。尽管同伴褐鳟似乎发生了低水平的渗入，这可能是由于人为引起的栖息地变化和放养所致，但这两个湖中的铁氧鳟满足了分类为独特的生物，系统发育和形态物种的要求。建议将已经应用于拉夫·梅尔文（爱尔兰）铁氧体的科学名称Salmo ferox扩展到Awe和Laggan铁氧体。

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