|Location||Australia, New South Wales (and ACT)|
|Central coordinates||151o 21.63' East 33o 29.03' South|
|Altitude||2 - 45m|
|Year of IBA assessment||2009|
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.
Key Biodiversity Largest colony of Australian Pelican in NSW; about 400-500 pairs; active year-round. 12-14 pairs of Pied Oystercatcher. Small numbers of Eastern Curlew (max 55), Bar-tailed Godwit (max 60), Whimbrel (max 35) and Grey-tailed Tattler (max 20). Two records of the restricted-range Green Catbird from 1998 to 2008 (Atlas of Australian Birds database).
Non-bird biodiversity: The threatened Fawn-footed Melomys and Yellow-bellied Glider occur in the swamp forest.
|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||Critically Endangered|
|Regent Honeyeater Xanthomyza phrygia||non-breeding||1992-2007||50 individuals||-||A1||Critically Endangered|
|2008||low||not assessed||not assessed|
|Good - based on reliable and complete / representative data|
|Human intrusions and disturbance||recreational activities||happening now||small area/few individuals (<10%)||moderate to rapid deterioration||low|
|Invasive & other problematic species, genes & diseases||invasive non-native/alien species/diseases - named species||happening now||small area/few individuals (<10%)||slow but significant deterioration||low|
|Residential and commercial development||housing and urban areas||likely in long term (beyond 4 years)||small area/few individuals (<10%)||moderate to rapid deterioration||low|
|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|
|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||Extent (% of site)|
|Notes: Cattle grazing|
|Notes: Oyster farms|
|nature conservation and research||major|
|Notes: especially boating and fishing|
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 (2015) Important Bird and Biodiversity Area factsheet: Brisbane Water. Downloaded from http://www.birdlife.org on 25/11/2015
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