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The microarthropods of sub-Antarctic Prince Edward Island: a quantitative assessment

机译:亚南极爱德华王子岛的微型节肢动物:定量评估

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摘要

The biodiversity in the sub-Antarctic region is threatened by climatic change and biological invasions, which makes the understanding of distributions of biotas on sub-Antarctic islands essential. Although the distribution patterns of vascular plants and insects on sub-Antarctic islands are well documented, this is not always the case for microarthropods. This study provides the first quantitative assessment of the distribution and abundance of microarthropods on Prince Edward Island (PEI), one of two islands in the Prince Edward Island group. Microarthropod community structure differed significantly between PEI and nearby Marion Island, with only two invasive alien species found on PEI compared with Marion Island. Furthermore, species richness, abundance and community structure differed significantly between habitat types on both islands. This study emphasizes the importance of quarantine measures when visiting PEI to maintain its status as one of the more pristine islands in the sub-Antarctic region.
机译:南极地区的生物多样性受到气候变化和生物入侵的威胁,这使得了解南极洲岛屿上生物群的分布至关重要。尽管在南极洲岛上维管植物和昆虫的分布方式有充分的文献记载,但对于微型节肢动物却并非总是如此。这项研究首次定量评估了爱德华王子岛(PEI)上的微型节肢动物的分布和丰富度,这是爱德华王子岛组中的两个岛屿之一。 PEI和附近的马里恩岛之间的微型节肢动物群落结构显着不同,与马里恩岛相比,在PEI上仅发现了两种外来入侵物种。此外,两个岛屿上的生境类型之间的物种丰富度,丰度和群落结构也存在显着差异。这项研究强调了在访问PEI时保持隔离措施的重要性,以保持其作为南极亚地区最原始的岛屿之一的地位。

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