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首页> 外文期刊>Marine biology >Alien amphipods in a sea of troubles: cryptogenic species, unresolved taxonomy and overlooked introductions
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Alien amphipods in a sea of troubles: cryptogenic species, unresolved taxonomy and overlooked introductions

机译：充满麻烦的外来两栖动物：隐源物种，未解决的分类学和被忽视的引言

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摘要

The large amount of information available on marine alien species distribution can be synthesized into inventories. These are essential tools for management: they allow for the identification of most invasive species and most invaded areas which facilitate management decisions and horizon-scanning initiatives. Here we present an inventory of marine alien amphipods worldwide, with a focus on the quality of available data and on the uncertainty that affects species identity or alien status of amphipod species records. Amphipod records from different world ocean zones were cross-checked and the species with wide disjunct distributions that could be related to human transport were extracted. These were carefully examined for validity of species identification and assessment of alien status. One hundred and five amphipod species were studied. Of these, 55 species are verified aliens at least in one geographical region; the remaining are affected by uncertainty and further investigation is required before they are included in inventories of marine alien species. Many knowledge gaps affect our understanding of the global distribution of marine alien amphipods, as well as many other marine invertebrate groups, and it is possible that our current picture is largely underestimated.
机译：可以将有关海洋外来物种分布的大量信息综合到清单中。这些是管理必不可少的工具：它们可用于识别有助于管理决策和视野扫描计划的大多数入侵物种和入侵最严重的地区。在这里，我们介绍了全球海洋外来两栖动物的清单，重点是可用数据的质量以及影响两栖动物物种记录的物种识别或外来状态的不确定性。对来自世界不同海域的两栖动物记录进行了交叉检查，并提取了可能与人类运输有关的分布广泛的物种。仔细检查了这些物种以进行物种识别和评估外来身份的有效性。研究了一百零五种两足动物。其中，至少在一个地理区域中，有55种经过验证的外来物种；其余的受到不确定性的影响，在将其列入海洋外来物种清单之前，需要进一步调查。许多知识鸿沟影响了我们对海洋外来双足动物以及其他许多海洋无脊椎动物种群的全球分布的理解，并且我们的当前状况可能被大大低估了。

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