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

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Study areas

Great Sandy Strait contributing catchments

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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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Great Sandy Strait contributing catchments wetland area by system 2019
System Area (ha) % wetlands area % total area
Total 70,399 100.0% 5.8%
Total excluding riverine and artificial/highly modified riverine 55,663 79.1% 4.6%
Artificial and highly modified 3,589 5.1% 0.3%
Intertidal (saltmarsh, saltflats, mangroves) (natural) 15,353 21.8% 1.3%
Intertidal (saltmarsh, saltflats, mangroves) (slightly modified) 0 0.0% 0.0%
Lacustrine (natural) 2,849 4.0% 0.2%
Lacustrine (slightly modified) 393 0.6% 0.0%
Palustrine (natural) 33,138 47.1% 2.7%
Palustrine (slightly modified) 347 0.5% 0.0%
Riverine 14,731 20.9% 1.2%
Great Sandy Strait contributing catchments wetland area by habitat 2019
Habitat Area (ha) % wetlands area % total area
Total 51,686 100.0% 4.2%
Mangroves - Casuarina 345 0.7% 0.0%
Mangroves - other 10,428 20.2% 0.9%
Salt marsh and salt flats 4,579 8.9% 0.4%
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 2,089 4.0% 0.2%
Coastal and sub-coastal non-floodplain sand (perched) lake 760 1.5% 0.1%
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 10,452 20.2% 0.9%
Coastal and sub-coastal non-floodplain wet heath swamp 2,262 4.4% 0.2%
Coastal and sub-coastal non-floodplain grass, sedge, and herb swamp 8,711 16.9% 0.7%
Coastal and sub-coastal other non-floodplain swamp 0 0.0% 0.0%
Coastal and sub-coastal floodplain tree (Melaleuca and Eucalypt) swamp 8,583 16.6% 0.7%
Coastal and sub-coastal floodplain grass, sedge, and herb swamp 469 0.9% 0.0%
Coastal and sub-coastal floodplain wet heath swamp 3,008 5.8% 0.2%
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

Great Sandy Strait contributing catchments 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 70,399 70,400 70,386 70,389 70,389 70,438 90,887 * 73.5%
Artificial and highly modified 3,589 3,583 3,551 3,522 3,471 3,394 0 n/a
Intertidal (saltmarsh, saltflats, mangroves) (natural) 15,353 15,353 15,353 15,353 15,352 15,352 15,554 98.7%
Intertidal (saltmarsh, saltflats, mangroves) (slightly modified) 0 0 0 0 0 0 0 n/a
Lacustrine (natural) 2,849 2,849 2,849 2,849 2,849 2,849 2,849 100.0%
Lacustrine (slightly modified) 393 393 393 393 393 391 0 n/a
Palustrine (natural) 33,138 33,143 33,144 33,161 33,193 33,289 46,917 70.6%
Palustrine (slightly modified) 347 347 347 347 346 346 0 n/a
Riverine 14,731 14,733 14,750 14,764 14,785 14,817 25,567 57.6%

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

Great Sandy Strait contributing catchments 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 51,686 51,690 51,692 51,709 51,740 51,835
Mangroves - Casuarina 345 345 345 345 345 346
Mangroves - other 10,428 10,428 10,428 10,428 10,427 10,427
Salt marsh and salt flats 4,579 4,579 4,579 4,579 4,579 4,579
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 2,089 2,089 2,089 2,089 2,089 2,089
Coastal and sub-coastal non-floodplain sand (perched) lake 760 760 760 760 760 760
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 10,452 10,452 10,452 10,454 10,472 10,531
Coastal and sub-coastal non-floodplain wet heath swamp 2,262 2,262 2,262 2,262 2,262 2,262
Coastal and sub-coastal non-floodplain grass, sedge, and herb swamp 8,711 8,711 8,711 8,711 8,711 8,711
Coastal and sub-coastal other non-floodplain swamp 0 0 0 0 0 0
Coastal and sub-coastal floodplain tree (Melaleuca and Eucalypt) swamp 8,583 8,586 8,588 8,591 8,599 8,614
Coastal and sub-coastal floodplain grass, sedge, and herb swamp 469 469 468 473 475 475
Coastal and sub-coastal floodplain wet heath swamp 3,008 3,008 3,009 3,017 3,021 3,042
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 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

Great Sandy Strait contributing catchments land use
ALUMC code and description
Area (ha)
% total area
Total 1,217,511 99.9%
2.1 Grazing native vegetation 514,781 42.2%
1.1 Nature conservation 279,189 22.9%
2.2 Production native forests 123,254 10.1%
3.1 Plantation forests 104,907 8.6%
5.4 Residential and farm infrastructure 66,332 5.4%
1.3 Other minimal use 55,883 4.6%
4.3 Irrigated cropping 18,904 1.6%
6.5 Marsh/wetland 13,971 1.1%
6.3 River 5,390 0.4%
5.5 Services 4,965 0.4%
1.2 Managed resource protection 4,627 0.4%
4.2 Grazing irrigated modified pastures 4,439 0.4%
4.4 Irrigated perennial horticulture 4,077 0.3%
6.1 Lake 3,384 0.3%
6.2 Reservoir/dam 3,073 0.3%
5.7 Transport and communication 2,995 0.2%
4.5 Irrigated seasonal horticulture 1,150 0.1%
5.3 Manufacturing and industrial 1,074 0.1%
5.2 Intensive animal production 1,013 0.1%
3.3 Cropping 994 0.1%
5.8 Mining 990 0.1%
3.2 Grazing modified pastures 567 0.0%
4.1 Irrigated plantation forests 547 0.0%
5.9 Waste treatment and disposal 366 0.0%
3.4 Perennial horticulture 286 0.0%
4.6 Irrigated land in transition 111 0.0%
5.6 Utilities 67 0.0%
5.1 Intensive horticulture 65 0.0%
6.4 Channel/aqueduct 61 0.0%
6.6 Estuary/coastal waters 31 0.0%
3.6 Land in transition 12 0.0%
3.5 Seasonal horticulture 5 0.0%

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Wildlife

Kingdom
Class
Native Introduced Wetland
indicator
species
Rare or
threatened
species
All
TOTAL 4,840 649 551 219 5,489
Animals 1,073 38 273 111 1,111
Mammals 117 14 8 13 131
Birds 481 12 95 53 493
Reptiles 152 1 23 17 153
Amphibians 51 1 21 11 52
Lobe-finned fishes 1 0 1 1 1
Ray-finned fishes 64 7 70 5 71
Cartilaginous fishes 9 0 9 3 9
Lampreys 1 0 1 0 1
Insects 185 3 45 4 188
Malacostracans 12 0 0 4 12
Bacteria 17 0 0 0 17
Chromists 24 0 0 0 24
Fungi 862 0 0 0 862
Plants 2,862 611 278 108 3,473
Protozoans 2 0 0 0 2

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-study-area

This page should be cited as:

Department of Environment, Science and Innovation, Queensland (2013) Great Sandy Strait contributing catchments — facts and maps, WetlandInfo website, accessed 14 April 2025. Available at: https://wetlandinfo.des.qld.gov.au/wetlands/facts-maps/study-area-great-sandy-strait/

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