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Queensland Government
WetlandInfo   —   Department of the Environment, Tourism, Science and Innovation

Wallum freshwater biogeographic province

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Catchment stories info

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Wetland observations

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Wetland extents info metadata

Based on wetland mapping version 7.0

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Wallum freshwater biogeographic province wetland area by system 2021
System Area (ha) % wetlands area % total area
Total 104,199 100.0% 18.2%
Total excluding riverine and artificial/highly modified riverine 98,842 94.9% 17.3%
Artificial and highly modified 2,295 2.2% 0.4%
Intertidal (saltmarsh, saltflats, mangroves) (natural) 23,618 22.7% 4.1%
Intertidal (saltmarsh, saltflats, mangroves) (slightly modified) 282 0.3% 0.0%
Lacustrine (natural) 3,595 3.4% 0.6%
Lacustrine (slightly modified) 446 0.4% 0.1%
Lacustrine (unknown degree of modification) 4 0.0% 0.0%
Palustrine (natural) 67,539 64.8% 11.8%
Palustrine (slightly modified) 1,070 1.0% 0.2%
Riverine 5,350 5.1% 0.9%

For definitions of artificial, highly modified, modified, slightly modified and natural wetlands, see the Queensland Wetland Mapping Method - A Method to Provide Baseline Mapping of Wetland Extent and Changes in Wetland Extent in Queensland (PDF, 0.6 MB).

Wallum freshwater biogeographic province wetland area by habitat 2021
Habitat Area (ha) % wetlands area % total area
Total 96,060 100.0% 16.8%
Mangroves - Casuarina 1,412 1.5% 0.2%
Mangroves - other 17,050 17.7% 3.0%
Salt marsh and salt flats 5,393 5.6% 0.9%
Arid and semi-arid saline lake 0 0.0% 0.0%
Arid and semi-arid floodplain lake 0 0.0% 0.0%
Arid and semi-arid permanently inundated lake 0 0.0% 0.0%
Coastal and sub-coastal floodplain lake 0 0.0% 0.0%
Coastal and sub-coastal non-floodplain rock lake 0 0.0% 0.0%
Coastal and sub-coastal non-floodplain sand (window) lake 2,599 2.7% 0.5%
Coastal and sub-coastal non-floodplain sand (perched) lake 998 1.0% 0.2%
Coastal and sub-coastal non-floodplain soil lake 0 0.0% 0.0%
Arid and semi-arid saline swamp 0 0.0% 0.0%
Arid and semi-arid floodplain tree swamp 0 0.0% 0.0%
Arid and semi-arid floodplain shrub swamp 0 0.0% 0.0%
Arid and semi-arid floodplain grass, sedge and herb swamp 0 0.0% 0.0%
Arid and semi-arid non-floodplain tree swamp 0 0.0% 0.0%
Arid and semi-arid non-floodplain shrub swamp 0 0.0% 0.0%
Arid and semi-arid non-floodplain grass, sedge and herb swamp 0 0.0% 0.0%
Arid and semi-arid other non-floodplain swamp 0 0.0% 0.0%
Arid and semi-arid Great Artesian Basin fed spring swamp 0 0.0% 0.0%
Coastal and sub-coastal non-floodplain tree (Melaleuca and Eucalypt) swamp 17,255 18.0% 3.0%
Coastal and sub-coastal non-floodplain wet heath swamp 9,360 9.7% 1.6%
Coastal and sub-coastal non-floodplain grass, sedge, and herb swamp 12,952 13.5% 2.3%
Coastal and sub-coastal other non-floodplain swamp 0 0.0% 0.0%
Coastal and sub-coastal floodplain tree (Melaleuca and Eucalypt) swamp 21,258 22.1% 3.7%
Coastal and sub-coastal floodplain grass, sedge, and herb swamp 221 0.2% 0.0%
Coastal and sub-coastal floodplain wet heath swamp 7,562 7.9% 1.3%
Coastal and sub-coastal other floodplain swamp 0 0.0% 0.0%
Coastal and sub-coastal tree (palm) swamp 0 0.0% 0.0%
Unknown - Swamp - Arid and semi-arid 0 0.0% 0.0%
Unknown - Swamp - Coastal and sub-coastal 0 0.0% 0.0%

Disclaimer

Areas do not include marine or estuarine waters but do include estuarine wetland vegetation
(e.g. mangroves and tidal flats).

All statistics are approximate and generated based on data transformed to a customised Albers equal-area projection, thus allowing wetland extent change for different regions of Queensland to be comparable.

Areas may change over time as mapping approaches improve.

Totals may not match the sum of individually displayed figures due to the rounding of displayed figures.

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Wetland extent changes

Wallum freshwater biogeographic province wetland extent change by system
System 2021 area
(ha)
2019 area
(ha)
2017 area
(ha)
2013 area
(ha)
2009 area
(ha)
2005 area
(ha)
2001 area
(ha)
pre-clear area
(ha)
2021/pre-clear
percentage
Total 104,199 104,291 104,392 104,371 104,459 104,772 104,813 138,381 * 73.6%
Artificial and highly modified 2,295 2,289 2,342 3,009 3,227 3,238 3,308 0 n/a
Intertidal (saltmarsh, saltflats, mangroves) (natural) 23,618 23,621 23,623 23,614 23,622 23,616 23,620 24,580 96.1%
Intertidal (saltmarsh, saltflats, mangroves) (slightly modified) 282 282 282 31 5 1 1 0 n/a
Lacustrine (natural) 3,595 3,595 3,595 3,595 3,595 3,595 3,595 3,598 99.9%
Lacustrine (slightly modified) 446 444 430 385 364 319 236 0 n/a
Lacustrine (unknown degree of modification) 4 4 4 4 4 3 3 0 n/a
Palustrine (natural) 67,539 67,624 67,751 67,805 67,878 68,164 68,145 99,785 67.7%
Palustrine (slightly modified) 1,070 1,072 990 540 369 392 382 0 n/a
Riverine 5,350 5,359 5,375 5,389 5,396 5,443 5,523 10,417 51.4%

* Total 2021/pre-clear percentage excludes artificial and highly modified

Wallum freshwater biogeographic province wetland extent change by habitat
Habitat 2021 area
(ha)
2019 area
(ha)
2017 area
(ha)
2013 area
(ha)
2009 area
(ha)
2005 area
(ha)
2001 area
(ha)
Total 96,060 96,157 96,205 95,548 95,432 95,732 95,707
Mangroves - Casuarina 1,412 1,401 1,403 1,219 1,197 1,187 1,189
Mangroves - other 17,050 16,667 16,667 16,627 16,624 16,625 16,625
Salt marsh and salt flats 5,393 5,796 5,797 5,760 5,767 5,767 5,769
Arid and semi-arid saline lake 0 0 0 0 0 0 0
Arid and semi-arid floodplain lake 0 0 0 0 0 0 0
Arid and semi-arid permanently inundated lake 0 0 0 0 0 0 0
Coastal and sub-coastal floodplain lake 0 0 0 0 0 0 0
Coastal and sub-coastal non-floodplain rock lake 0 0 0 0 0 0 0
Coastal and sub-coastal non-floodplain sand (window) lake 2,599 2,599 2,599 2,599 2,599 2,599 2,599
Coastal and sub-coastal non-floodplain sand (perched) lake 998 998 998 998 998 998 998
Coastal and sub-coastal non-floodplain soil lake 0 0 0 0 0 0 0
Arid and semi-arid saline swamp 0 0 0 0 0 0 0
Arid and semi-arid floodplain tree swamp 0 0 0 0 0 0 0
Arid and semi-arid floodplain shrub swamp 0 0 0 0 0 0 0
Arid and semi-arid floodplain grass, sedge and herb swamp 0 0 0 0 0 0 0
Arid and semi-arid non-floodplain tree swamp 0 0 0 0 0 0 0
Arid and semi-arid non-floodplain shrub swamp 0 0 0 0 0 0 0
Arid and semi-arid non-floodplain grass, sedge and herb swamp 0 0 0 0 0 0 0
Arid and semi-arid other non-floodplain swamp 0 0 0 0 0 0 0
Arid and semi-arid Great Artesian Basin fed spring swamp 0 0 0 0 0 0 0
Coastal and sub-coastal non-floodplain tree (Melaleuca and Eucalypt) swamp 17,255 17,265 17,298 17,046 17,064 17,122 17,202
Coastal and sub-coastal non-floodplain wet heath swamp 9,360 9,362 9,397 9,398 9,406 9,440 9,187
Coastal and sub-coastal non-floodplain grass, sedge, and herb swamp 12,952 12,952 12,953 12,953 12,954 12,970 12,975
Coastal and sub-coastal other non-floodplain swamp 0 0 0 0 0 0 0
Coastal and sub-coastal floodplain tree (Melaleuca and Eucalypt) swamp 21,258 21,321 21,281 21,131 20,997 21,132 21,223
Coastal and sub-coastal floodplain grass, sedge, and herb swamp 221 221 222 222 222 219 219
Coastal and sub-coastal floodplain wet heath swamp 7,562 7,575 7,590 7,595 7,604 7,674 7,721
Coastal and sub-coastal other floodplain swamp 0 0 0 0 0 0 0
Coastal and sub-coastal tree (palm) swamp 0 0 0 0 0 0 0
Unknown - Swamp - Arid and semi-arid 0 0 0 0 0 0 0
Unknown - Swamp - Coastal and sub-coastal 0 0 0 0 0 0 0

Disclaimer

Areas do not include marine or estuarine waters but do include estuarine wetland vegetation
(e.g. mangroves and tidal flats).

All statistics are approximate and generated based on data transformed to a customised Albers equal-area projection, thus allowing wetland extent change for different regions of Queensland to be comparable.

Areas may change over time as mapping approaches improve.

Totals may not match the sum of individually displayed figures due to the rounding of displayed figures.

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Australian Land Use and Management Classification (ALUMC) metadata

Wallum freshwater biogeographic province land use
ALUMC code and description
Area (ha)
% total area
Total 571,282 99.8%
1.1 Nature conservation 288,582 50.4%
1.3 Other minimal use 57,731 10.1%
3.1 Plantation forests 49,286 8.6%
5.4 Residential and farm infrastructure 47,184 8.2%
2.1 Grazing native vegetation 31,069 5.4%
6.5 Marsh/wetland 28,751 5.0%
2.2 Production native forests 18,808 3.3%
3.6 Land in transition 7,423 1.3%
6.6 Estuary/coastal waters 7,038 1.2%
5.5 Services 5,461 1.0%
3.4 Perennial horticulture 5,084 0.9%
3.3 Cropping 4,180 0.7%
6.1 Lake 3,691 0.6%
1.2 Managed resource protection 2,133 0.4%
4.4 Irrigated perennial horticulture 2,122 0.4%
5.7 Transport and communication 2,071 0.4%
6.3 River 2,042 0.4%
5.8 Mining 1,692 0.3%
6.2 Reservoir/dam 1,539 0.3%
5.3 Manufacturing and industrial 1,438 0.3%
5.2 Intensive animal production 871 0.2%
4.5 Irrigated seasonal horticulture 786 0.1%
4.2 Grazing irrigated modified pastures 780 0.1%
4.3 Irrigated cropping 529 0.1%
5.1 Intensive horticulture 375 0.1%
5.9 Waste treatment and disposal 332 0.1%
3.2 Grazing modified pastures 225 0.0%
5.6 Utilities 46 0.0%
6.4 Channel/aqueduct 8 0.0%
3.5 Seasonal horticulture 3 0.0%
4.6 Irrigated land in transition 3 0.0%

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Wildlife

Kingdom
Class
Native Introduced Wetland
indicator
species
Rare or
threatened
species
All
TOTAL 5,470 803 595 225 6,275
Animals 1,128 42 286 110 1,170
Mammals 127 15 9 14 142
Birds 519 12 100 56 531
Reptiles 142 2 22 13 144
Amphibians 48 1 19 11 49
Lobe-finned fishes 1 0 1 1 1
Ray-finned fishes 70 8 76 4 78
Cartilaginous fishes 20 0 20 3 20
Lampreys 2 0 2 1 2
Insects 189 4 37 4 193
Malacostracans 9 0 0 3 9
Snails 1 0 0 0 1
Bacteria 57 0 0 0 57
Chromists 82 0 0 0 82
Fungi 1,052 0 0 0 1,052
Plants 3,148 761 309 115 3,911
Protozoans 3 0 0 0 3

Note: Wildlife statistics are based on information that has been submitted to the DETSI WildNet database and converted to a 10km² grid. The grid information has been intersected with the mapping polygons to determine the species lists. Click here to view the species grid metadata.

Information from WildNet can also be accessed via Wildlife Online and WetlandMaps.

Rare or threatened includes species listed as extinct, extinct in the wild, critically endangered, endangered, vulnerable or conservation dependent under either the Nature Conservation Act or Environment Protection and Biodiversity Conservation Act

Disclaimer: While every care is taken to ensure the accuracy of this product, the Queensland Government and Australian Government make no representations or warranties about its accuracy, reliability, completeness or suitability for any particular purpose and disclaim all responsibility and all liability (including without limitation, liability in negligence) for all expenses, losses, damages (including indirect or consequential damage) and costs which might be incurred as a consequence of reliance on the product, or as a result of the product being inaccurate or incomplete in any way and for any reason.

AreaType-fbp

This page should be cited as:

Department of Environment, Science and Innovation, Queensland (2013) Wallum freshwater biogeographic province — facts and maps, WetlandInfo website, accessed 11 May 2025. Available at: https://wetlandinfo.des.qld.gov.au/wetlands/facts-maps/fbp-wallum/