Dhanjal-Adams, Kiran Louise; Hanson, Jeffrey O; Murray, Nicholas James; Phinn, Stuart R; Wingate, Vladimir R; Mustin, Karen; Lee, Jasmine R; Allan, James R; Cappadonna, Jessica L; Studds, Colin E; Clemens, Robert S; Roelfsema, Christiaan M; Fuller, Richard A (2016): Mapped distribution of intertidal habitats in Australia between 1999 and 2014, link to data in ArcGIS format (29 MB). doi:10.1594/PANGAEA.845726, Supplement to: Dhanjal-Adams, KL et al. (2016): The distribution and protection of intertidal habitats in Australia. Emu - Austral Ornithology, 116(2), 208, doi:10.1071/MU15046
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Shorebirds have declined severely across the East Asian-Australasian Flyway. Many species rely on intertidal habitats for foraging, yet the distribution and conservation status of these habitats across Australia remain poorly understood. Here, we utilised freely available satellite imagery to produce the first map of intertidal habitats across Australia. We estimated a minimum intertidal area of 9856 km**2, with Queensland and Western Australia supporting the largest areas. Thirty-nine percent of intertidal habitats were protected in Australia, with some primarily within marine protected areas (e.g. Queensland) and others within terrestrial protected areas (e.g. Victoria). In fact, three percent of all intertidal habitats were protected both by both marine and terrestrial protected areas. To achieve conservation targets, protected area boundaries must align more accurately with intertidal habitats. Shorebirds use intertidal areas to forage and supratidal areas to roost, so a coordinated management approach is required to account for movement of birds between terrestrial and marine habitats. Ultimately, shorebird declines are occurring despite high levels of habitat protection in Australia. There is a need for a concerted effort both nationally and internationally to map and understand how intertidal habitats are changing, and how habitat conservation can be implemented more effectively.
Latitude: -26.216000 * Longitude: 134.904000
Mapped distribution of intertidal habitats in Australia between 1999 and 2014, derived from the Landsat archive with an overall accuracy of 95.6%. See Murray et al. 2012, doi:10.3390/rs4113417, for further details on methodology.