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The site was identified as internationally important for bird conservation in 2009 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List	Season (year/s of estimate)	Size	IBA criteria
Bush Thick-knee Burhinus grallarius	LC	resident (1992–2006)	8–10 pairs	A1
Swift Parrot Lathamus discolor	CR	non-breeding (1992–2007)	10 birds	A1
Regent Honeyeater Anthochaera phrygia	CR	non-breeding (1992–2007)	50 birds	A1

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2009. The most recent assessment (2020) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Artificial/Terrestrial	poor (40–69%)	poor (40–69%)	very poor
Forest	moderate (70–90%)	moderate (70–90%)	poor

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Residential and commercial development	happe­ning now	some of popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium
Human intrusions and disturbance	happe­ning now	some of popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium
Natural system modifications	happe­ning now	few indivi­duals/small area (<10%)	slow decline (1–10% over 3 gener­ations)	low

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Little/none of area covered (<10%)	A compre­hensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species	Some limited conservation initiatives are in place	low

Year	Protected Area	Designation (management category)	% coverage of IBA
1989	Pelican Island	Nature Reserve (Ia)	2
1994	Rileys Island	Nature Reserve (Ia)	2
2005	Saratoga Island	Nature Reserve (Ia)	<1
2010	Cockle Bay	Nature Reserve (Ia)	2

Habitat	% of IBA	Habitat detail
Forest	major (>10)	Eucalypt tall open forests; Mangroves
Marine Intertidal	major (>10)
Marine Neritic	major (>10)
Artificial/Terrestrial	minor (<10)	Urban parks & gardens

Land use	% of IBA
nature conservation and research	major (>10)
urban/industrial/transport	major (>10)
rangeland/pastureland	minor (<10)
fisheries/aquaculture	minor (<10)
tourism/recreation	minor (<10)
water management	minor (<10)

Private, State and local government.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Brisbane Water (Australia). Downloaded from https://datazone.birdlife.org/site/factsheet/brisbane-water-iba-australia on 27/12/2024.