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Missing link in the Southern Ocean: sampling the marine benthic fauna of remote Bouvet Island

机译:南大洋缺少联系:对偏远的布韦岛的海洋底栖动物进行采样

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摘要

Bouvet (Bouvetoya) is a geologically young and very remote island just south of the Polar Front. Here we report samples taken during the RV "Polarstern" cruise ANTXXI/2 on 3 days in November 2003 and January 2004. This work was part of SCAR's EASIZ programme and intended, by providing data on the marine fauna of this "white gap" in the Atlantic sector of the Southern Ocean, to contribute to identifying the role of Bouvet in the faunal exchange between the Sub-and high Antarctic. While this goal demands extensive molecular analysis of the material sampled (future work), a checklist of the samples and data at hand widens the faunal and environmental inventory substantially. We suggest some preliminary conclusions on the relationship of Bouvet Island's fauna with that of other regions, such as Magellanic South America, the Antarctic Peninsula, and the high Antarctic Weddell Sea, which have been sampled previously. There seem to be different connections for individual higher taxa rather than a generally valid consistent picture.
机译:布维(Bouvetoya)是一个地质年轻且非常偏远的岛屿,位于极地锋以南。在这里,我们报告了在2003年11月和2004年1月的3天RV“北极”号巡航ANTXXI / 2航行期间采集的样本。这项工作是SCAR EASIZ计划的一部分,旨在通过提供有关“白色缺口”的海洋动物的数据,南大西洋的大西洋区域,以帮助确定布维在南极和南极高地动物群交换中的作用。尽管此目标要求对采样材料进行广泛的分子分析(未来工作),但手头上的样品和数据清单会极大地扩大动物和环境清单。我们建议有关布韦岛动物区系与其他地区(例如麦哲伦南美洲,南极半岛和南极威德海)的关系的一些初步结论,这些先前已被采样。各个较高的分类单元似乎有不同的联系,而不是通常有效的一致图片。

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