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Mangrove forest

Information for this profile is drawn from Australia's State of the Forests Report 2018​​ (SOFR).​ ABARES is in the process of updating indicators for SOFR with data up to or as at 2021, with the intention of publishing the updated indicators from mid to late 2023. This forest profile will then be updated also.

The Mangrove forest type occurs in many of Australia’s coastal regions, but has a total area of only 0.9 million hectares, or 0.6% of Australia’s native forest cover. Australian Mangrove forests contain 41 species of mangrove from 19 plant families. More than half of the world’s mangrove species are found in Australia.

Mangroves are found in the intertidal zones of tropical, subtropical and protected temperate coastal rivers, estuaries and bays, where they grow in fine sediments deposited by rivers and tides.

Mangrove trees have a characteristic growth form, including aerial structural roots and exposed breathing roots. This helps them cope with regular tidal inundation and a lack of oxygen in the soil.

Distribution and ownership

The Mangrove forest type is found in all mainland states and the Northern Territory (Map 1). A total of 0.4 million hectares (45%) is found in Queensland and 0.3 million hectares (39%) are in the Northern Territory.


Open a high-resolution version of Map 1 that can be saved as a PNG file

The most common mangrove is white mangrove (Avicennia marina), which is found in mainland coastal areas and comprises three subspecies. Subspecies A. m. marina is found in Western Australia from Bunbury in the south to the Kimberley region in the north. Subspecies A. m. eucalyptifolia is found from Wyndham in northern Western Australia to Mackay in Queensland. Subspecies A. m. australasica is found from south of Rockhampton in central Queensland to Victoria and South Australia.

A total of 0.3 million hectares (40%) of the Mangrove forest type is on private land and 0.1 million hectares (17%) are on Other Crown land (Table 1).


Download Table 1 data as an Excel workbook

Forest Structure

A total of 0.4 million hectares (49%) of Mangrove forest is closed forest and 0.5 million hectares (57%) are low forest (Figure 1).

Download Figure 1 data as an Excel workbook

Importance and uses

Mangroves contribute many environmental benefits to coastal and estuarine ecosystems. Mangrove tree and root structures prevent erosion by stabilising soils and sediment in intertidal zones, and provide buffer zones from severe storms and cyclones.

Mangroves also provide habitat and food for migratory birds, estuarine and coastal fish species, molluscs and crustaceans, and serve as nurseries for commercial industries such as prawn farming.

Mangroves have traditionally been used by Indigenous Australians as sources of food, including mangrove fruit, mud crabs, clams and fish such as barramundi. Mangrove timber has traditionally been used to make canoes, paddles and weapons such as shields, spears and boomerangs.

Bibliography

ABARES 2019, Forests of Australia (2018), Australian Bureau of Agricultural and Resource Economics and Sciences, Canberra.

Boland, D, Brooker, M, Chippendale, G, Hall, N, Hyland, B, Johnston, R, Kleinig, D, McDonald, M & Turner, J 2006, Forest trees of Australia, 5th edn, CSIRO Publishing, Melbourne.

Carnahan, JA 1990, Atlas of Australian resources, vol. 6, Vegetation, Australian Government Publishing Service, Canberra.

Montreal Process Implementation Group for Australia & National Forest Inventory Steering Committee 2018, Australia's State of the Forests Report 2018, Australian Bureau of Agricultural and Resource Economics and Sciences, Canberra.

​This profile is also available in PDF format [3.6 MB]

Australia's native forest - data visualisation

This data visualisation allows users to display data for Australia's native forest types by state or territory, tenure, crown cover, height and Indigenous ownership and management category.

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Last updated: 21 October 2022

© Department of Agriculture, Fisheries and Forestry

We acknowledge the Traditional Owners of country throughout Australia and recognise their continuing connection to land, waters and culture. We pay our respects to their Elders past, present and emerging.