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Location Australia, New South Wales (and ACT),Victoria
Central coordinates 149o 52.36' East  37o 26.22' South
IBA criteria A1, A2, A3
Area 38,511 ha
Altitude 0 - 200m
Year of IBA assessment 2009

BirdLife Australia



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.

Populations of IBA trigger species

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 

IBA Monitoring

2008 high not assessed not assessed
unset
Medium - based upon reliable but incomplete / partially representative data

Invasive and other problematic species and genes 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 areas

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  

Habitats

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

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 (2014) Important Bird Areas factsheet: Nadgee to Mallacoota Inlet. Downloaded from http://www.birdlife.org on 26/12/2014

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