Great Barrier Reef 2009 wetland system extents

Definition of Great Barrier Reef

based on wetland mapping version 6.0

2009 wetland system extent by Great Barrier Reef
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Great Barrier Reef	Total area (ha)	Wetland area by system								Total wetland area (ha)
		artificial and highly modified	intertidal (saltmarsh, saltflats, mangroves) (natural)	intertidal (saltmarsh, saltflats, mangroves) (slightly modified)	lacustrine (natural)	lacustrine (slightly modified)	palustrine (natural)	palustrine (slightly modified)	riverine
Total	136,168,415	468,360	1,221,316	10,742	56,473	57,011	776,426	189,313	2,057,434	4,837,075
Great Barrier Reef catchments, reef and islands	51,245,150	156,636	443,982	3,632	20,847	19,030	268,869	63,425	686,017	1,662,438
Paddock to Reef (P2R) report cards	42,291,163	155,865	376,583	3,548	17,807	18,984	252,698	62,952	685,468	1,573,904
Water Quality Improvement Plans	42,632,103	155,860	400,751	3,562	17,820	18,997	254,859	62,936	685,948	1,600,732

Note that these totals may be lower than the Queensland totals due to incomplete coverage of Great Barrier Reef.

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.