Marine bioregionalisation used in Australia for regional marine planning and to establish the National Representative system of Marine Protected Areas (NRSMPA) initially relied on: 1) provincial structure of the shelf (Fig. 2a), 2) provincial structure of the slope (Fig. 2b), and 3) bathomic (depth related) structure of the slope. This study uses extensively updated data on continental shelf fishes to determine 4) bathomic structuring of the continental shelf of Australia. These shelf bathomes have been used in Australia’s marine planning including the designation of the NRSMPA.

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