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Location Australia, New South Wales (and ACT)
Central coordinates 151o 21.63' East  33o 29.03' South
IBA criteria A1
Area 2,277 ha
Altitude 2 - 45m
Year of IBA assessment 2008

BirdLife Australia



Summary This IBA has a significant isolated population of Bush Stone-curlews and occasionally supports significant numbers of the endangered Swift Parrots and Regent Honeyeaters during autumn and winter, when the Swamp Mahogany is flowering.

Site description The IBA consists of the southern section of Brisbane Water, a large estuarine lake. It includes the foreshore, mangroves, saltmarsh and flat coastal land around Kincumber Broadwater, Cockle Channel and Linten Channel. It also includes the Swamp Mahogany forests around Kincumber South, Bensville and Empire Bay.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Bush Thick-knee Burhinus grallarius resident  1992-2006  8-10 breeding pairs  good  A1  Least Concern 
Swift Parrot Lathamus discolor non-breeding  1992-2007  10 individuals  A1  Endangered 
Regent Honeyeater Xanthomyza phrygia non-breeding  1992-2007  50 individuals  A1  Critically Endangered 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Bouddi National Park 1,621 protected area overlaps with site 0  
Cockle Bay Nature Reserve 45 protected area contained by site 44  
Pelican Island Nature Reserve 51 protected area overlaps with site 40  
Rileys Island Nature Reserve 41 protected area contained by site 41  
Saratoga Island Nature Reserve 2 protected area overlaps with site 1  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Artificial - terrestrial Urban parks & gardens  minor
Forest Eucalypt tall open forests  major
Coastline Estuarine waters; Mangrove wetlands  major

Land ownership Private, State and local government.

Land use

Land-use Extent (% of site)
rangeland/pastureland minor
Notes: Cattle grazing
fisheries/aquaculture minor
Notes: Oyster farms
nature conservation and research major
tourism/recreation minor
Notes: especially boating and fishing
urban/industrial/transport major
water management minor

Other biodiversity The threatened Fawn-footed Melomys and Yellow-bellied Glider occur in the swamp forest.

Protection status Several - see separate section.

Acknowledgements The nomination was prepared by Alan Morris following consultation with Reserves Manager, Gosford City Council. Nicci Bennetts, Community Liaison Officer, Gosford City Council. Alan Henderson, Area Manager East, NPWS. David Geering, Regent Honeyeater Coordinator. Catherine Price, Bush Stone-curlew Recovery Coordinator. Garon Stains, Environmental Consultant.

References Environment and Conservation (NSW) (2004) Regent Honeyeater Xanthomyza phrygia, draft

Morris, A. K. (2002) Conservation status of the Bush Stone-curlew in the Brisbane Water Area. Unpublished report to Gosford City Council.

National and NSW Recovery Plan. DEH, Canberra.

NSW NPSW (2005) Recovery Plan for the Bush Stone-curlew. NWS National Parks and Wildlife, Hurstville, Sydney.

Price, C. (2004) the Bush Stone-curlew Burhinus grallarius on the central coast of New South Wales. Masters Thesis, University of Sydney.

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Brisbane Water. Downloaded from http://www.birdlife.org on 29/08/2014

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