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

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Study areas

Cairns Urban 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

Display areas in

Cairns Urban contributing catchments wetland area by system 2019
System Area (ha) % wetlands area % total area
Total 6,241 100.0% 10.0%
Total excluding riverine and artificial/highly modified riverine 5,750 92.1% 9.2%
Artificial and highly modified 511 8.2% 0.8%
Intertidal (saltmarsh, saltflats, mangroves) (natural) 4,573 73.3% 7.3%
Intertidal (saltmarsh, saltflats, mangroves) (slightly modified) 165 2.6% 0.3%
Lacustrine (natural) 0 0.0% 0.0%
Lacustrine (slightly modified) 4 0.1% 0.0%
Palustrine (natural) 491 7.9% 0.8%
Palustrine (slightly modified) 5 0.1% 0.0%
Riverine 492 7.9% 0.8%
Cairns Urban contributing catchments wetland area by habitat 2019
Habitat Area (ha) % wetlands area % total area
Total 5,220 100.0% 8.4%
Mangroves - Casuarina 0 0.0% 0.0%
Mangroves - other 4,459 85.4% 7.2%
Salt marsh and salt flats 265 5.1% 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 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 381 7.3% 0.6%
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 < 1 0.0% 0.0%
Coastal and sub-coastal other non-floodplain swamp 0 0.0% 0.0%
Coastal and sub-coastal floodplain tree (Melaleuca and Eucalypt) swamp 73 1.4% 0.1%
Coastal and sub-coastal floodplain grass, sedge, and herb swamp 3 0.0% 0.0%
Coastal and sub-coastal floodplain wet heath swamp 0 0.0% 0.0%
Coastal and sub-coastal other floodplain swamp < 1 0.0% 0.0%
Coastal and sub-coastal tree (palm) swamp 38 0.7% 0.1%
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

Cairns Urban 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 6,241 6,242 6,237 6,255 6,223 6,259 10,284 * 55.7%
Artificial and highly modified 511 511 500 513 485 479 0 n/a
Intertidal (saltmarsh, saltflats, mangroves) (natural) 4,573 4,573 4,573 4,572 4,561 4,580 5,864 78.0%
Intertidal (saltmarsh, saltflats, mangroves) (slightly modified) 165 165 165 166 166 169 0 n/a
Lacustrine (natural) 0 0 0 0 0 0 0 n/a
Lacustrine (slightly modified) 4 4 4 4 4 2 0 n/a
Palustrine (natural) 491 491 494 498 498 511 2,212 22.2%
Palustrine (slightly modified) 5 5 5 5 5 5 0 n/a
Riverine 492 492 495 497 502 512 2,208 22.3%

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

Cairns Urban 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 5,220 5,220 5,224 5,227 5,217 5,252
Mangroves - Casuarina 0 0 0 0 0 0
Mangroves - other 4,459 4,459 4,459 4,459 4,449 4,469
Salt marsh and salt flats 265 265 265 265 265 267
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 381 381 382 382 382 384
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 < 1 < 1 < 1 < 1 < 1 < 1
Coastal and sub-coastal other non-floodplain swamp 0 0 0 0 0 0
Coastal and sub-coastal floodplain tree (Melaleuca and Eucalypt) swamp 73 73 76 77 77 88
Coastal and sub-coastal floodplain grass, sedge, and herb swamp 3 3 3 3 3 3
Coastal and sub-coastal floodplain wet heath swamp 0 0 0 0 0 0
Coastal and sub-coastal other floodplain swamp < 1 < 1 < 1 < 1 < 1 < 1
Coastal and sub-coastal tree (palm) swamp 38 38 39 41 41 41
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

Cairns Urban contributing catchments land use
ALUMC code and description
Area (ha)
% total area
Total 62,195 99.8%
1.1 Nature conservation 23,545 37.8%
3.3 Cropping 8,606 13.8%
1.3 Other minimal use 7,790 12.5%
5.4 Residential and farm infrastructure 7,550 12.1%
6.5 Marsh/wetland 4,696 7.5%
1.2 Managed resource protection 4,060 6.5%
5.5 Services 2,677 4.3%
5.7 Transport and communication 624 1.0%
2.1 Grazing native vegetation 573 0.9%
6.3 River 392 0.6%
6.2 Reservoir/dam 354 0.6%
3.6 Land in transition 337 0.5%
5.3 Manufacturing and industrial 332 0.5%
5.8 Mining 182 0.3%
5.2 Intensive animal production 137 0.2%
4.4 Irrigated perennial horticulture 98 0.2%
6.1 Lake 58 0.1%
5.1 Intensive horticulture 58 0.1%
5.9 Waste treatment and disposal 55 0.1%
5.6 Utilities 40 0.1%
3.2 Grazing modified pastures 16 0.0%
3.4 Perennial horticulture 7 0.0%
2.2 Production native forests 6 0.0%
3.1 Plantation forests < 1 0.0%

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Wildlife

Kingdom
Class
Native Introduced Wetland
indicator
species
Rare or
threatened
species
All
TOTAL 2,701 396 330 106 3,097
Animals 691 27 188 53 718
Mammals 73 9 6 15 82
Birds 376 9 89 27 385
Reptiles 97 2 19 2 99
Amphibians 46 1 15 7 47
Ray-finned fishes 45 6 51 1 51
Cartilaginous fishes 1 0 1 0 1
Insects 52 0 7 1 52
Malacostracans 1 0 0 0 1
Fungi 213 0 0 0 213
Plants 1,797 369 142 53 2,166

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) Cairns Urban contributing catchments — facts and maps, WetlandInfo website, accessed 16 April 2025. Available at: https://wetlandinfo.des.qld.gov.au/wetlands/facts-maps/study-area-cairns-urban/

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