|Location||Australia, Western Australia|
|Central coordinates||113o 40.65' East 23o 57.04' South|
|IBA criteria||A1, A2, A4i|
|Year of IBA assessment||2008|
Summary The IBA supports the vulnerable Fairy Tern, more than 1% of the global populations of Red-necked Stint, Curlew Sandpiper, Banded Stilt, Red-necked Avocet and Red-capped Plover, and a population of the restricted-range Dusky Gerygone.
Site description Lake MacLeod is large evaporative basin about 120 km by 10-40 km, located about 30 km north of Carnarvon in Western Australia. The permanent ponds in the north of the lake provide about 60 square km of feeding and roosting habitat for shorebirds. The IBA matches the proposed Ramsar site boundary and includes all of the northern ponds which regularly support significant numbers of birds. Further surveys in times of flood may indicate that the rest of the lake could also qualify for IBA status. The northern ponds comprise intermittently inundated, brackish-hypersaline flats surrounding a series of saline springs and associated permanent saline channels and lagoons. The greater part of Lake MacLeod periodically receives freshwater from the Lyndon River in the north, Minilya River, Cardabia Creek and Boolathana Creek (a distributary of the Gascoyne River), but is usually dry from September to June. Major flooding from the Gascoyne River occurs infrequently, often following cyclones, with significant flow to the lake occurring in 1960, 1961, 1980, 1995 and 2000. The 2000 flood was the largest recorded over this period, with water contributed by all rivers and local rainfall. The lake also receives seawater inflows from subterranean sinkholes. Areas are used for salt and gypsum mining, and the surrounding land is leasehold grazing properties.
|Species||Season||Period||Population estimate||Quality of estimate||IBA Criteria||IUCN Category|
|Banded Stilt Cladorhynchus leucocephalus||breeding||1999-2006||6,000-100,000 individuals||-||A4i||Least Concern|
|Red-necked Avocet Recurvirostra novaehollandiae||non-breeding||1999-2006||2,401 individuals||-||A4i||Least Concern|
|Red-capped Plover Charadrius ruficapillus||breeding||1999-2006||24-3,125 individuals||-||A4i||Least Concern|
|Red-necked Stint Calidris ruficollis||non-breeding||1999-2006||2,350-25,000 individuals||-||A4i||Least Concern|
|Curlew Sandpiper Calidris ferruginea||non-breeding||1999-2006||18,392-55,000 individuals||-||A4i||Least Concern|
|Fairy Tern Sternula nereis||resident||1999-2003||5-422 individuals||-||A1, A4i||Vulnerable|
|Dusky Gerygone Gerygone tenebrosa||resident||1999-2006||frequent||-||A2||Least Concern|
|IUCN habitat||Habitat detail||Extent (% of site)|
|Wetlands (inland)||Ephemeral; Saline lakes||major|
Land ownership Unallocated Crown Land and untenured water body under mining lease to Rio Tinto Minerals (Dampier Salt Limited).
|Land-use||Extent (% of site)|
|energy production and mining||minor|
|Notes: Gypsum and salt mining occur at Lake MacLeod but not in the area of the lake that is most important for birds. Petroleum exploration licenses cover much of the lake.|
|Notes: Lake MacLeod is surrounded by pastoral leases grazed by sheep.|
Protection status None.
Acknowledgements Thanks to Chris Hassell as compiler.
References Davis,C. (2003) Lake MacLeod Surveys 2002-2003. Western Australian Bird Notes 107: 14-20.
Davis, C., Kirkby, T. and Singor, M. (2001) Water study group surveys at Lake MacLeod. Western Australian Bird Notes 98.
DEC (2006) Draft Management Plan for the Proposed Listing of a Wetland of International Importance at Lake MacLeod (Rev.2 July 2006) and Draft Information Sheet on Ramsar Wetlands. Department of Environment and Conservation. Dampier Salt Limited and WWF-Australia.
Hassell, C. (2006) Bird Survey Reports for Rio Tinto Minerals: Lake MacLeod – October 3-5, 2006; Port Hedland – November 7, 2006; Dampier - November 8&9, 2006. Unpublished report.
Jaensch, R.P. and Vervest, R.M. (1990) Waterbirds at Remote Wetlands in Western Australia 1986-88. Part 2: Lake MacLeod, Shark Bay, Camballin Floodplain and Parry Floodplain. RAOU Report 69. Melbourne: RAOU.
Smith, L.A. and Johnstone, R.E. (1985) The birds of Lake MacLeod, upper west coast, Western Australia. Western Australian Naturalist 16: 83-87.
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Recommended citation BirdLife International (2014) Important Bird Areas factsheet: Lake MacLeod. Downloaded from http://www.birdlife.org on 20/10/2014
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