|Location||Australia, New South Wales (and ACT),Victoria|
|Central coordinates||149o 52.36' East 37o 26.22' South|
|IBA criteria||A1, A2, A3|
|Altitude||0 - 200m|
|Year of IBA assessment||2009|
Summary This IBA supports an isolated southern sub-population of the endangered Eastern Bristlebird, estimated at 300 birds, and a population of the restricted-range Pilotbird.
Site description This IBA includes all of Nadgee National Park in NSW and the eastern section of the 87,500 hectare Croajingolong National Park in Victoria. The key bird species, Eastern Bristlebird, is no longer found west of Mallacoota inlet in Victoria so this section of Croajingolong is excluded. The habitat is largely a patchy mosaic of coastal heath and eucalypt woodlands. This includes Nadgee Coastal Heath Complex and Nadgee Coastal Heath/Woodland, which occurs in exposed situations along the coast. There is a diverse range of structurally complex wet heath, mainly occurring in poorly drained areas, including Nadgee Lowland Sedge Swamp, Nadgee Tall Wet Shrub Heath and Nadgee Wet Shrub Heath. A unique wetland type occurs within the dune swales surrounding Cape Howe (Cape Howe Dune Swale). Dry Scrub occurs along the length of the proposed IBA coastline, and includes Headland Scrub and Dune Scrub (Lynette Evans pers. comm. 2005). The IBA occurs within one of the least disturbed areas of temperate coastal vegetation on the Australian mainland. This has resulted in a very high level of floristic and structural integrity, which is considered significant at the national level (Ecology Australia 1998).
Key Biodiversity A population of Ground Parrots estimated at 50 birds (J.Baker pers. comm. 2006). Small numbers of nesting Pied and Sooty Oystercatchers. Powerful, Sooty and Masked Owls occur throughout the area. Occasional sightings of Pilotbird and Pink Robin (Atlas of Australian Birds database). Striated Fieldwrens occur at an estimated density of 0.62 birds/ha in low, dry Allocasuarina/Hakea heath (Gosper and Baker 1997) and are also found at low density along the coast (D. Hollands pers. comm. 2007). A count of 25 Hooded Plover (of which nine were in Nadgee) in 2003 (M. Antos in litt. 2007); and counts of 12 Hooded between Mallacoota and Cape Howe in both 2000 and 2002 (Hooded Plover database).
Non-bird biodiversity: Thirty-seven species of threatened native animals have been recorded in Nadgee, including the long-nosed potoroo, southern brown bandicoot, yellow-bellied glider and spot-tailed quoll. Several dingo groups are present in Nadgee. There are six rare plant species, a large number of restricted species and 24 plant species that reach their southern limit of distribution.
|Species||Season||Period||Population estimate||Quality of estimate||IBA Criteria||IUCN Category|
|Eastern Bristlebird Dasyornis brachypterus||resident||1997||220-300 individuals||medium||A1, A2, A3||Endangered|
|Pilotbird Pycnoptilus floccosus||resident||1995||uncommon||-||A2||Least Concern|
|2008||high||not assessed||not assessed|
|Medium - based upon reliable but incomplete / partially representative data|
|Invasive & other problematic species, genes & diseases||invasive non-native/alien species/diseases - named species||happening now||some of area/population (10-49%)||slow but significant deterioration||medium|
|Natural system modifications||fire & fire suppression - increase in fire frequency/intensity||happening now||majority/most of area/population (50-90%)||slow but significant deterioration||high|
|Protected area||Designation||Area (ha)||Relationship with IBA||Overlap with IBA (ha)|
|Croajingolong||National Park||87,500||protected area overlaps with site||16,749|
|Nadgee||Nature Reserve||21,418||protected area contained by site||20,671|
|IUCN habitat||Habitat detail||Extent (% of site)|
|Coastline||Sand dunes & beaches; Sea cliffs, rocky shores & rocky islets||minor|
|Shrubland||Heath; Other shrublands||major|
|Forest||Eucalypt open forests; Rainforest & vine thickets||major|
Land ownership NSW and Victorian State Governments.
|Land-use||Extent (% of site)|
|nature conservation and research||100%|
Protection status All of the Nadgee Nature Reserve and part of Croajingolong National Park.
Acknowledgements Thanks to Lyn Evans and Robyn Kesby (Merimbula), Jack Baker (DEC, NSW) and Carl Gosper for information, maps and reviewing the IBA.
References Baker, J. (1996) Strategy for Conservation and Management of Ground Parrot and Eastern Bristlebird populations at Nadgee NR, Jervis Bay NP and Beecroft Peninsula. Report to NSW NPWS and ANCA.
Baker, J. (1997) The decline, response to fire, status and management of the eastern bristlebird. Pacific Conservation Biology 3, 235-43.
Baker, J. (1998) Eastern Bristlebird Recovery Plan 1997-2002. NSW NPWS, Sydney. Ecology Australia (1998) Natural Scientific and Wilderness Recreation Values of the Nadgee/Howe Wilderness Area. Report to NPWS & Parks Victoria.
Bramwell, M. (2008) The Eastern Bristlebird Dasyornis brachypterus in East Gippsland, Victoria, 1997-2002. Aus. Field Ornithology 25: 2-11.
Ecology Australia (1998) Natural Scientific and Wilderness Recreation Values of the Nadgee/Howe Wilderness Area. Report to NPWS & Parks Victoria.
NRE (1996) Croajingolong National Park managment plan. Melbourne: Dept of Natural Resources and Environment.
NSW NPWS (2003) Nadgee Nature Reserve Plan of Management Sydney: NSW National Parks and Wildlife Service.
NSW NPWS (2005) Draft Fire Management Strategy Nadgee Nature Reserve. NSW NPWS, Far South Coast Region.
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Recommended citation BirdLife International (2015) Important Bird Areas factsheet: Nadgee to Mallacoota Inlet. Downloaded from http://www.birdlife.org on 02/07/2015
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