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The site was identified as important 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 List1	Season	Year(s)	Size	IBA criteria
Bush Thick-knee Burhinus grallarius	LC	resident	1992-2006	8-10 breeding pairs	A1
Swift Parrot Lathamus discolor	CR	non-breeding	1992-2007	10 individuals	A1
Regent Honeyeater Anthochaera phrygia	CR	non-breeding	1992-2007	50 individuals	A1

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2009) may differ.

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 unfavourable
Forest	moderate (70-90%)	moderate (70-90%)	unfavourable

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

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Little/none of site 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	% overlap with IBA
1989	Pelican Island	Nature Reserve	2
1994	Rileys Island	Nature Reserve	2
2005	Saratoga Island	Nature Reserve	<1
2010	Cockle Bay	Nature Reserve	2

Habitat1	Habitat detail	% of IBA
Forest	Eucalypt tall open forests, Mangroves	major (>10)
Marine Intertidal		major (>10)
Marine Neritic		major (>10)
Artificial/Terrestrial	Urban parks & gardens	minor (<10)

1. IUCN Habitat classification.

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 23/11/2024.