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    Developing and applying a general abundance estimator for land-based predator surveys: Adélie penguins as a case study

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    Document Number:
    WG-EMM-04/56
    Author(s):
    C. Southwell (Australia)
    Agenda Item(s)
    Abstract

    The development of a general estimator of abundance would facilitate a standardised approach to regional and circum-Antarctic surveys of land-based predators. Such a generalised estimator is outlined, and its applicability illustrated by adapting it to the specific problem of estimating the abundance of Adélie penguins at regional scales in Antarctica, given a range of logistical scenarios and related survey designs.