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首页> 外文期刊>Journal of Biogeography >Lessepsian fish migration: genetic bottlenecks and parasitological evidence
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Lessepsian fish migration: genetic bottlenecks and parasitological evidence

机译:Lessepsian鱼的迁移:遗传瓶颈和寄生虫学证据

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摘要

As a rule, non-indigenous species (NIS) populations derived from biological invasion events represent a subset of the genetic diversity of the source population. In biological invasions, host-parasite interactions play an important role, and parasitological data for NIS populations can provide useful information such as their area of origin, mechanism of invasion and prospects of success in the new habitat. When both genetic and parasitological data are available, and they suggest the same scenario, the history of an invasion can be inferred with no discrepancy, but when data cannot be reconciled an alternative model should be considered. In this study a comparison of genetic and parasitological data for the Lessepsian migrant the bluespotted cornetfish, Fistularia commersonii, in the Mediterranean Sea presents the opportunity to evaluate the compatibility of information of this nature, and to propose possible invasion scenarios consistent with evidence provided by both criteria.
机译:通常,源自生物入侵事件的非本地物种(NIS)种群代表了源种群遗传多样性的子集。在生物入侵中,宿主与寄生虫的相互作用起着重要的作用,NIS种群的寄生虫学数据可以提供有用的信息,例如其起源区域,入侵机制以及在新栖息地的成功前景。当既有遗传数据又有寄生虫学数据时,并且它们都提示相同的情况,则可以无差异地推断出入侵的历史,但是当数据无法核对时,应考虑使用其他模型。在这项研究中,对地中海上的蓝斑短尾鱼类“费氏蝇”(Fistularia commersonii)的莱西氏移居者的遗传和寄生虫学数据进行比较,提供了机会来评估这种性质的信息的兼容性,并提出与两种证据均相符的可能的入侵情景标准。

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