Great Barrier Reef 2013 wetland system extents

Definition of Great Barrier Reef

based on wetland mapping version 6.0

2013 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	136,168,416	480,742	1,220,478	10,812	56,473	57,576	775,294	189,807	2,055,747	4,846,930
Great Barrier Reef catchments, reef and islands	51,245,150	160,909	443,700	3,657	20,847	19,219	268,492	63,589	685,455	1,665,868
Paddock to Reef (P2R) report cards	42,291,163	159,914	376,320	3,570	17,807	19,172	252,321	63,117	684,906	1,577,127
Water Quality Improvement Plans	42,632,103	159,919	400,459	3,584	17,820	19,185	254,482	63,101	685,386	1,603,935

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.