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Geomorphology Along the coastline of Australia, a wide range of coastal landform (or geomorphological) types have been recognized and described on the basis of topography, elevation, shape and composition (e.g., based on rock types, unconsolidated materials. These include coastal plains (e.g., along the Gulf of Carpentaria) but also more topographically diverse areas (e.g., the Kimberley). Tidal ranges are high in the north of Australia, in particular, and the extent of inundation at the higher tidal levels is greatest in low lying and flat terrain. Many mangrove areas are sheltered from high energy waves, including along the north-east tropical coastline (as these are moderated by the Great Barrier Reef), the northern coast (because of reduced exposure to large oceanic pressure systems and fetches) and southeastern south eastern Queensland (because of an extensive chain of sand islands). Along the coast of New South Wales, ocean waves impact the exposed portions of the coastline and hence mangroves are generally smaller in extent, dispersed and confined to sheltered embayments embayment's and estuaries. The varying lithologies also influence mangrove distributions as these determine (in part) the delivery of different sediment types and amounts to the coastal margin.
Where available, links to environmental conditions on the land surface that impact on the state and dynamics of mangroves are listed below.
References Asbridge, E., Lucas, R.M., Ticehurst, C. and Bunting, P. (2016). Mangrove response to environmental change in Australia's Gulf of Carpentaria. Ecology and Evolution, 6, 3523–3539, doi:10.1002/ece3.2140 (2016).
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