IBRA bioregion 2019/pre-clear wetland extent percentages

Definition of IBRA bioregion

based on a comparison of 2019 and pre-clear wetland mapping

2019/pre-clear wetland extent percentage by IBRA bioregion
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IBRA bioregion	Wetland extent percentage 2019/pre-clear by system				Total percentage
	intertidal (saltmarsh, saltflats, mangroves) (natural)	lacustrine (natural)	palustrine (natural)	riverine
All	94.7%	99.4%	93.2%	* n/a	* n/a
Brigalow Belt North (BBN)	81.0%	88.9%	58.0%	85.4%	92.1%
Brigalow Belt South (BBS)	6036.4%	90.9%	82.0%	93.8%	99.1%
Cape York Peninsula (CYP)	99.7%	98.9%	99.6%	99.7%	99.7%
Central Mackay Coast (CMC)	94.9%	100.0%	40.6%	76.0%	71.5%
Channel Country (CHC)	-	99.9%	100.0%	99.6%	99.9%
Coral Sea (COS)	-	-	-	-	-
Darling Riverine Plains (DRP)	-	14.1%	71.1%	* n/a	* n/a
Desert Uplands (DEU)	-	100.0%	95.9%	96.9%	97.9%
Einasleigh Uplands (EIU)	-	100.0%	96.9%	98.3%	99.8%
Gulf Fall and Uplands (GFU)	-	-	100.0%	100.0%	100.0%
Gulf Plains (GUP)	100.0%	91.8%	99.2%	99.1%	99.7%
Mitchell Grass Downs (MGD)	-	99.8%	99.8%	98.6%	100.2%
Mount Isa Inlier (MII)	-	-	100.0%	99.1%	100.1%
Mulga Lands (MUL)	-	98.3%	96.3%	95.3%	98.0%
Nandewar (NAN)	-	-	100.0%	45.2%	45.3%
New England Tablelands (NET)	-	-	82.4%	49.9%	51.2%
Simpson Strzelecki Dunefields (SSD)	-	99.9%	99.7%	99.8%	100.0%
South Eastern Queensland (SEQ)	88.0%	99.9%	57.6%	62.2%	67.5%
Wet Tropics (WET)	93.6%	99.9%	44.0%	64.6%	65.3%

* Pre-clear riverine wetland statistics are not available in this area. A comprehensive evaluation is currently underway of the effect of identified limitations on the statistical analysis process used to monitor wetland extent change. During this time, selected riverine wetland statistics will be temporarily unavailable as they may be disproportionately impacted. It is expected that this evaluation will be completed in late 2024.

Disclaimer

All figures exclude artificial and highly modified wetlands.

The total percentage figure includes slightly modified wetlands.

Figures 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.

Figures may change over time as mapping approaches improve.