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Important marine sectors for the top predator community around Kerguelen Archipelago

机译：克格伦群岛附近顶级捕食者社区的重要海洋产业

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摘要

The French Kerguelen Archipelago represents an important breeding place for many species of marine top predators within the Southern Ocean, making the plateau hosting the archipelago and surrounding waters (CCAMLR area 58.5) a crucial area to design conservation measures. In this study, available tracking data from nine species of seabirds and marine mammals breeding at Kerguelen were analysed to define potential boundaries for a Marine Protected Area. Maps of time spent per square of each species were first used to describe high-use areas within the Kerguelen Plateau. Habitat models were then developed for four species (Black-browed albatross, Wandering albatross, King penguin and Antarctic fur seal) chosen on the basis of their contrasted foraging ecology and diet to represent the top predator community. Predictive models were then applied to the main colonies of the four species for which no tracking data were available to illustrate the most important feeding areas at the scale of the entire study zone. An area delineated by the central part of the plateau and its slopes appeared to be of great importance for the top predators' community and would appropriately complete the limits of the existing Australian marine reserve of Heard and McDonald Islands.
机译：法国克格伦群岛是南大洋许多海洋顶级捕食者的重要繁殖地，这使得该群岛和周围水域的高原（CCAMLR地区58.5）成为设计保护措施的关键地区。在这项研究中，分析了在Kerguelen繁殖的9种海鸟和海洋哺乳动物的可用跟踪数据，以确定了海洋保护区的潜在边界。首先使用每种物种每平方呎的时间图来描述克格伦高原内的高使用区域。然后根据它们相对的觅食生态和饮食来代表顶级捕食者群落，针对四种物种（黑眉信天翁，流浪信天翁，帝王企鹅和南极海狗）开发了栖息地模型。然后将预测模型应用于这四个物种的主要殖民地，没有可用的追踪数据来说明整个研究区范围内最重要的饲养区域。由高原中部及其斜坡所划定的区域对于顶级掠食者社区似乎非常重要，并将适当地完善澳大利亚现有的希德和麦当劳群岛海洋保护区的界限。

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  • 来源
    《Polar biology》 |2017年第2期|365-378|共14页
  • 作者

    Thiers Laurie; Delord Karine; Bost Charles-Andre; Guinet Christophe; Weimerskirch Henri;

  • 作者单位

    Univ La Rochelle, Ctr Etud Biol Chize, CNRS, UMR 7372, F-79360 Villiers En Bois, France;

    Univ La Rochelle, Ctr Etud Biol Chize, CNRS, UMR 7372, F-79360 Villiers En Bois, France;

    Univ La Rochelle, Ctr Etud Biol Chize, CNRS, UMR 7372, F-79360 Villiers En Bois, France;

    Univ La Rochelle, Ctr Etud Biol Chize, CNRS, UMR 7372, F-79360 Villiers En Bois, France;

    Univ La Rochelle, Ctr Etud Biol Chize, CNRS, UMR 7372, F-79360 Villiers En Bois, France;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Distribution; Habitat modelling; Tracking; Seabirds; Marine mammals;

    机译：分布;生境建模;跟踪;海鸟;海洋哺乳动物;

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