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    Habitat suitability for the VME Ptilocrinus amezianeae over the Kerguelen Plateau

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    Номер документа:
    WG-EMM-2019/73 Rev. 1
    M. Eléaume, A. Martin, L.G. Hemery, C. Chazeau, J. Blettery and N. Améziane
    Представлено (имя):
    Dr Marc Eléaume (Франция)
    Утверждено (имя):
    Dr Marc Eléaume (Франция)
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    Ptilocrinus amezianeae is a Vulnerable Marine Ecosystem (VME) indicator species and often collected in numbers locally. P. amezianeae has been described to be restricted to oligotrophic habitats and, as a member of the family Hyocrinidae, a rare organism. Here we model P. amezianeae suitable habitat using BRT (Boosted Regression Trees) and an iterative approach to identify areas on the Kerguelen Plateau, north and south, that could need additional protection. We identified one area under strict protection on the Skiff Bank, and two additional areas, one in the northeastern Kerguelen Plateau and the other on William’s Ridge.