Abstract:

This report provides an overview of the key findings on Australasian white shark (Carcharodon
carcharias) abundance and population dynamics which have superseded the initial estimates in
Hillary et al. (2018). Both the submitted paper and the updated work detailed herein constitute the
first robust estimates of Australasian white shark abundance and demographic rates (survival and
trend) ever undertaken, and employ a variety of cutting-edge methods and novel data from across
the Australian/New Zealand range of the species. Importantly, these estimates do not rely on the
highly uncertain historical catch data for this species. To our knowledge, no similar study has been
conducted worldwide. The results and methods employed, represent a step-change in capacity to
assess otherwise difficult to monitor species, such as white sharks.

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