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

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Drainage sub-basins

Shoalwater drainage sub-basin

Access wetland mapping in PDF and KML format by selecting the desired 100K map tile below or download the data via the Queensland Government Information Service.

The below map is for visual representation purposes only. For more detailed mapping, please download the boundary KML.

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Catchment stories info

none

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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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Shoalwater drainage sub-basin wetland area by system 2019
System Area (ha) % wetlands area % total area
Total 56,509 100.0% 15.7%
Total excluding riverine and artificial/highly modified riverine 51,065 90.4% 14.2%
Artificial and highly modified 1,231 2.2% 0.3%
Intertidal (saltmarsh, saltflats, mangroves) (natural) 29,213 51.7% 8.1%
Intertidal (saltmarsh, saltflats, mangroves) (slightly modified) 0 0.0% 0.0%
Lacustrine (natural) 0 0.0% 0.0%
Lacustrine (slightly modified) 0 0.0% 0.0%
Palustrine (natural) 288 0.5% 0.1%
Palustrine (slightly modified) 20,334 36.0% 5.7%
Riverine 5,444 9.6% 1.5%
Shoalwater drainage sub-basin wetland area by habitat 2019
Habitat Area (ha) % wetlands area % total area
Total 45,542 100.0% 12.7%
Mangroves - Casuarina 0 0.0% 0.0%
Mangroves - other 12,920 28.4% 3.6%
Salt marsh and salt flats 12,014 26.4% 3.3%
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 other non-floodplain lake 0 0.0% 0.0%
Arid and semi-arid non-floodplain clay plan 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 0 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 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 38 0.1% 0.0%
Coastal and sub-coastal non-floodplain wet heath swamp 0 0.0% 0.0%
Coastal and sub-coastal non-floodplain grass, sedge, and herb swamp 10 0.0% 0.0%
Coastal and sub-coastal other non-floodplain swamp 86 0.2% 0.0%
Coastal and sub-coastal floodplain tree (Melaleuca and Eucalypt) swamp 438 1.0% 0.1%
Coastal and sub-coastal floodplain grass, sedge, and herb swamp 20,037 44.0% 5.6%
Coastal and sub-coastal floodplain wet heath swamp 0 0.0% 0.0%
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 < 1 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

Shoalwater drainage sub-basin 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 56,509 56,510 56,491 56,336 56,194 56,169 58,575 * 94.4%
Artificial and highly modified 1,231 1,231 1,211 1,055 900 857 0 n/a
Intertidal (saltmarsh, saltflats, mangroves) (natural) 29,213 29,213 29,213 29,213 29,295 29,304 51,031 57.2%
Intertidal (saltmarsh, saltflats, mangroves) (slightly modified) 0 0 0 0 0 0 0 n/a
Lacustrine (natural) 0 0 0 0 0 0 0 n/a
Lacustrine (slightly modified) 0 0 0 0 0 0 0 n/a
Palustrine (natural) 288 288 288 288 288 291 1,099 26.2%
Palustrine (slightly modified) 20,334 20,334 20,334 20,334 20,252 20,252 0 n/a
Riverine 5,444 5,445 5,446 5,447 5,461 5,465 6,445 84.5%

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

Shoalwater drainage sub-basin 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 45,542 45,542 45,542 45,542 45,542 45,555
Mangroves - Casuarina 0 0 0 0 0 0
Mangroves - other 12,920 12,920 12,920 12,920 12,920 12,929
Salt marsh and salt flats 12,014 12,014 12,014 12,014 12,096 12,096
Arid and semi-arid saline lake 0 0 0 0 0 0
Arid and semi-arid floodplain lake 0 0 0 0 0 0
Arid and semi-arid other non-floodplain lake 0 0 0 0 0 0
Arid and semi-arid non-floodplain clay plan lake 0 0 0 0 0 0
Arid and semi-arid permanently inundated lake 0 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 0 0 0 0 0 0
Coastal and sub-coastal non-floodplain sand (perched) lake 0 0 0 0 0 0
Coastal and sub-coastal non-floodplain soil lake 0 0 0 0 0 0
Arid and semi-arid saline swamp 0 0 0 0 0 0
Arid and semi-arid floodplain tree swamp 0 0 0 0 0 0
Arid and semi-arid floodplain shrub swamp 0 0 0 0 0 0
Arid and semi-arid floodplain grass, sedge and herb swamp 0 0 0 0 0 0
Arid and semi-arid non-floodplain tree swamp 0 0 0 0 0 0
Arid and semi-arid non-floodplain shrub swamp 0 0 0 0 0 0
Arid and semi-arid non-floodplain grass, sedge and herb swamp 0 0 0 0 0 0
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 38 38 38 38 38 38
Coastal and sub-coastal non-floodplain wet heath swamp 0 0 0 0 0 0
Coastal and sub-coastal non-floodplain grass, sedge, and herb swamp 10 10 10 10 10 10
Coastal and sub-coastal other non-floodplain swamp 86 86 86 86 86 86
Coastal and sub-coastal floodplain tree (Melaleuca and Eucalypt) swamp 438 438 438 438 438 441
Coastal and sub-coastal floodplain grass, sedge, and herb swamp 20,037 20,037 20,037 20,037 19,955 19,955
Coastal and sub-coastal floodplain wet heath swamp 0 0 0 0 0 0
Coastal and sub-coastal other floodplain swamp 0 0 0 0 0 0
Coastal and sub-coastal tree (palm) swamp 0 0 0 0 0 0
Unknown - Swamp - Arid and semi-arid 0 0 0 0 0 0
Unknown - Swamp - Coastal and sub-coastal < 1 < 1 < 1 < 1 < 1 < 1

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

Shoalwater drainage sub-basin land use
ALUMC code and description
Area (ha)
% total area
Total 358,817 99.8%
1.3 Other minimal use 165,306 46.0%
2.1 Grazing native vegetation 161,968 45.0%
6.5 Marsh/wetland 24,729 6.9%
1.1 Nature conservation 2,691 0.7%
2.2 Production native forests 1,196 0.3%
6.2 Reservoir/dam 697 0.2%
5.8 Mining 527 0.1%
6.3 River 480 0.1%
6.1 Lake 427 0.1%
5.7 Transport and communication 358 0.1%
5.4 Residential and farm infrastructure 204 0.1%
5.5 Services 113 0.0%
3.3 Cropping 62 0.0%
3.2 Grazing modified pastures 30 0.0%
3.1 Plantation forests 20 0.0%
4.1 Irrigated plantation forests 11 0.0%

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Wildlife

Kingdom
Class
Native Introduced Wetland
indicator
species
Rare or
threatened
species
All
TOTAL 1,942 213 257 63 2,155
Animals 505 15 113 38 520
Mammals 68 9 3 9 77
Birds 292 4 78 25 296
Reptiles 70 1 6 3 71
Amphibians 23 1 12 0 24
Ray-finned fishes 14 0 14 0 14
Insects 38 0 0 1 38
Fungi 27 0 0 0 27
Plants 1,410 198 144 25 1,608

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-sub-basin

This page should be cited as:

Department of Environment, Science and Innovation, Queensland (2013) Shoalwater drainage sub-basin — facts and maps, WetlandInfo website, accessed 16 April 2025. Available at: https://wetlandinfo.des.qld.gov.au/wetlands/facts-maps/sub-basin-shoalwater/

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