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

Western Cape and Gulf 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 6.0

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Western Cape and Gulf freshwater biogeographic province wetland area by system 2019
System Area (ha) % wetlands area % total area
Total 2,183,490 100.0% 4.6%
Total excluding riverine and artificial/highly modified riverine 1,259,330 57.7% 2.7%
Artificial and highly modified 19,126 0.9% 0.0%
Intertidal (saltmarsh, saltflats, mangroves) (natural) 655,617 30.0% 1.4%
Intertidal (saltmarsh, saltflats, mangroves) (slightly modified) 0 0.0% 0.0%
Lacustrine (natural) 4,584 0.2% 0.0%
Lacustrine (slightly modified) 8,429 0.4% 0.0%
Palustrine (natural) 568,967 26.1% 1.2%
Palustrine (slightly modified) 2,610 0.1% 0.0%
Riverine 924,157 42.3% 2.0%
Western Cape and Gulf freshwater biogeographic province wetland area by habitat 2019
Habitat Area (ha) % wetlands area % total area
Total 1,221,806 100.0% 2.6%
Mangroves - Casuarina 0 0.0% 0.0%
Mangroves - other 181,144 14.8% 0.4%
Salt marsh and salt flats 472,893 38.7% 1.0%
Arid and semi-arid saline lake 714 0.1% 0.0%
Arid and semi-arid floodplain lake 0 0.0% 0.0%
Arid and semi-arid other non-floodplain lake 38 0.0% 0.0%
Arid and semi-arid non-floodplain clay plan lake 179 0.0% 0.0%
Arid and semi-arid permanently inundated lake 1,234 0.1% 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 12 0.0% 0.0%
Coastal and sub-coastal non-floodplain sand (perched) lake 0 0.0% 0.0%
Coastal and sub-coastal non-floodplain soil lake 1,007 0.1% 0.0%
Arid and semi-arid saline swamp 0 0.0% 0.0%
Arid and semi-arid floodplain tree swamp 38,478 3.1% 0.1%
Arid and semi-arid floodplain shrub swamp 1,362 0.1% 0.0%
Arid and semi-arid floodplain grass, sedge and herb swamp 14,392 1.2% 0.0%
Arid and semi-arid non-floodplain tree swamp 102,511 8.4% 0.2%
Arid and semi-arid non-floodplain shrub swamp 4,175 0.3% 0.0%
Arid and semi-arid non-floodplain grass, sedge and herb swamp 9,869 0.8% 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 204,893 16.8% 0.4%
Coastal and sub-coastal non-floodplain wet heath swamp 261 0.0% 0.0%
Coastal and sub-coastal non-floodplain grass, sedge, and herb swamp 83,888 6.9% 0.2%
Coastal and sub-coastal other non-floodplain swamp 0 0.0% 0.0%
Coastal and sub-coastal floodplain tree (Melaleuca and Eucalypt) swamp 20,794 1.7% 0.0%
Coastal and sub-coastal floodplain grass, sedge, and herb swamp 83,209 6.8% 0.2%
Coastal and sub-coastal floodplain wet heath swamp 175 0.0% 0.0%
Coastal and sub-coastal other floodplain swamp 10 0.0% 0.0%
Coastal and sub-coastal tree (palm) swamp 14 0.0% 0.0%
Unknown - Swamp - Arid and semi-arid 391 0.0% 0.0%
Unknown - Swamp - Coastal and sub-coastal 160 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

Western Cape and Gulf freshwater biogeographic province wetland extent change by system
System 2019 area
(ha)
2017 area
(ha)
2013 area
(ha)
2009 area
(ha)
2005 area
(ha)
2001 area
(ha)
pre-clear area
(ha)
2019/pre-clear
percentage
Total 2,183,490 2,183,187 2,186,728 2,186,028 2,184,682 2,183,476 2,166,499 * 99.9%
Artificial and highly modified 19,126 18,718 17,894 17,200 15,804 14,415 0 n/a
Intertidal (saltmarsh, saltflats, mangroves) (natural) 655,617 655,621 655,624 655,624 655,623 655,623 656,358 99.9%
Intertidal (saltmarsh, saltflats, mangroves) (slightly modified) 0 0 0 0 0 0 0 n/a
Lacustrine (natural) 4,584 4,584 4,584 4,584 4,584 4,584 4,965 92.3%
Lacustrine (slightly modified) 8,429 8,427 8,429 8,415 8,468 8,465 0 n/a
Palustrine (natural) 568,967 568,974 569,246 569,327 569,369 569,503 573,138 99.3%
Palustrine (slightly modified) 2,610 2,609 2,588 2,577 2,565 2,552 0 n/a
Riverine 924,157 924,255 928,364 928,300 928,269 928,333 932,038 99.2%

* Total 2019/pre-clear percentage excludes artificial and highly modified

Western Cape and Gulf freshwater biogeographic province wetland extent change by habitat
Habitat 2019 area
(ha)
2017 area
(ha)
2013 area
(ha)
2009 area
(ha)
2005 area
(ha)
2001 area
(ha)
Total 1,221,806 1,220,581 1,220,835 1,220,906 1,220,935 1,221,067
Mangroves - Casuarina 0 0 0 0 0 0
Mangroves - other 181,144 181,144 181,144 181,141 181,140 181,140
Salt marsh and salt flats 472,893 472,898 472,900 472,904 472,904 472,904
Arid and semi-arid saline lake 714 714 714 714 714 714
Arid and semi-arid floodplain lake 0 0 0 0 0 0
Arid and semi-arid other non-floodplain lake 38 38 38 38 38 38
Arid and semi-arid non-floodplain clay plan lake 179 179 179 179 179 179
Arid and semi-arid permanently inundated lake 1,234 0 0 0 0 0
Coastal and sub-coastal floodplain lake 0 0 0 0 0 0
Coastal and sub-coastal non-floodplain rock lake 0 0 0 0 0 0
Coastal and sub-coastal non-floodplain sand (window) lake 12 12 12 12 12 12
Coastal and sub-coastal non-floodplain sand (perched) lake 0 0 0 0 0 0
Coastal and sub-coastal non-floodplain soil lake 1,007 1,007 1,007 1,007 1,007 1,007
Arid and semi-arid saline swamp 0 0 0 0 0 0
Arid and semi-arid floodplain tree swamp 38,478 38,478 38,478 38,481 38,484 38,484
Arid and semi-arid floodplain shrub swamp 1,362 1,362 1,362 1,362 1,362 1,362
Arid and semi-arid floodplain grass, sedge and herb swamp 14,392 14,393 14,393 14,393 14,393 14,431
Arid and semi-arid non-floodplain tree swamp 102,511 102,517 102,520 102,524 102,530 102,598
Arid and semi-arid non-floodplain shrub swamp 4,175 4,175 4,175 4,175 4,175 4,175
Arid and semi-arid non-floodplain grass, sedge and herb swamp 9,869 9,869 9,869 9,869 9,869 9,883
Arid and semi-arid other non-floodplain swamp 0 0 0 0 0 0
Arid and semi-arid Great Artesian Basin fed spring swamp 0 0 0 0 0 0
Coastal and sub-coastal non-floodplain tree (Melaleuca and Eucalypt) swamp 204,893 204,893 204,893 204,948 204,960 204,961
Coastal and sub-coastal non-floodplain wet heath swamp 261 261 261 261 261 261
Coastal and sub-coastal non-floodplain grass, sedge, and herb swamp 83,888 83,888 83,891 83,892 83,896 83,900
Coastal and sub-coastal other non-floodplain swamp 0 0 0 0 0 0
Coastal and sub-coastal floodplain tree (Melaleuca and Eucalypt) swamp 20,794 20,795 20,977 20,987 20,988 20,996
Coastal and sub-coastal floodplain grass, sedge, and herb swamp 83,209 83,208 83,272 83,270 83,270 83,270
Coastal and sub-coastal floodplain wet heath swamp 175 175 175 175 175 175
Coastal and sub-coastal other floodplain swamp 10 10 10 10 10 10
Coastal and sub-coastal tree (palm) swamp 14 14 14 14 14 14
Unknown - Swamp - Arid and semi-arid 391 391 391 391 391 391
Unknown - Swamp - Coastal and sub-coastal 160 160 160 160 161 161

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

Western Cape and Gulf freshwater biogeographic province land use
ALUMC code and description
Area (ha)
% total area
Total 47,350,503 100.0%
2.1 Grazing native vegetation 37,165,681 78.5%
1.2 Managed resource protection 4,356,517 9.2%
1.1 Nature conservation 3,195,288 6.7%
6.5 Marsh/wetland 1,990,844 4.2%
1.3 Other minimal use 181,098 0.4%
6.1 Lake 181,033 0.4%
6.3 River 147,266 0.3%
5.8 Mining 30,774 0.1%
4.3 Irrigated cropping 20,487 0.0%
6.2 Reservoir/dam 17,062 0.0%
5.4 Residential and farm infrastructure 12,385 0.0%
3.3 Cropping 9,830 0.0%
6.6 Estuary/coastal waters 9,156 0.0%
2.2 Production native forests 7,763 0.0%
5.7 Transport and communication 6,681 0.0%
4.4 Irrigated perennial horticulture 6,377 0.0%
3.6 Land in transition 4,709 0.0%
5.5 Services 4,297 0.0%
5.3 Manufacturing and industrial 813 0.0%
5.2 Intensive animal production 749 0.0%
4.2 Grazing irrigated modified pastures 595 0.0%
4.5 Irrigated seasonal horticulture 462 0.0%
5.9 Waste treatment and disposal 283 0.0%
3.1 Plantation forests 214 0.0%
5.6 Utilities 84 0.0%
5.1 Intensive horticulture 17 0.0%
3.2 Grazing modified pastures 16 0.0%
6.4 Channel/aqueduct 12 0.0%
4.1 Irrigated plantation forests 7 0.0%
3.4 Perennial horticulture 3 0.0%

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Wildlife

Kingdom
Class
Native Introduced Wetland
indicator
species
Rare or
threatened
species
All
TOTAL 8,002 574 729 402 8,576
Animals 1,402 34 310 118 1,436
Mammals 171 18 7 28 189
Birds 534 10 97 44 544
Reptiles 358 1 35 26 359
Amphibians 88 1 28 16 89
Ray-finned fishes 91 3 93 0 94
Cartilaginous fishes 5 0 5 2 5
Insects 148 1 45 1 149
Malacostracans 6 0 0 1 6
Arachnids 1 0 0 0 1
Bacteria 12 0 0 0 12
Chromists 1 0 0 0 1
Fungi 693 1 0 0 694
Plants 5,893 539 419 284 6,432
Protozoans 1 0 0 0 1

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) Western Cape and Gulf freshwater biogeographic province — facts and maps, WetlandInfo website, accessed 14 April 2025. Available at: https://wetlandinfo.des.qld.gov.au/wetlands/facts-maps/fbp-western-cape-and-gulf/

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