Lake Machattie Area


IBA Justification

The site was identified as internationally important for bird conservation in 2009 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:
Species Red List Season (year/s of estimate) Size IBA criteria
Pink-eared Duck Malacorhynchus membranaceus LC breeding (2002) 17,000 birds A4i
Freckled Duck Stictonetta naevosa LC breeding (2001–2002) 1,201 birds A4i
Australian Bustard Ardeotis australis LC resident (1998–2008) uncommon A1
Royal Spoonbill Platalea regia LC breeding (2000–2001) 1,500 pairs A4i
Straw-necked Ibis Threskiornis spinicollis LC breeding (2000–2001) 15,600 pairs A4i
Australian Pelican Pelecanus conspicillatus LC breeding (2001) 75,000 nests A4i
Little Black Cormorant Phalacrocorax sulcirostris LC breeding (2001) 5,600 pairs A4i
Red-necked Avocet Recurvirostra novaehollandiae LC non-breeding (2001–2002) 5,700 birds A4i
Sharp-tailed Sandpiper Calidris acuminata VU non-breeding (2000) 2,517 birds A4i
Grey Grasswren Amytornis barbatus LC resident (1982–2008) frequent A2, A3

IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2009. The most recent assessment (2008) is shown below.

IBA conservation assessment
Year of assessment State Pressure Response
2008 not assessed medium not assessed
Whole site assessed? State assessed by Accuracy of information
yes unset medium

Pressure (threats to the trigger species and/or their habitats)
Threat Timing Scope Severity Result
Natural system modifications likely in long term (>4 years) whole of popul­ation/area (>90%) slow decline (1–10% over 3 gener­ations) medium

Response (conservation actions taken for the trigger species and/or their habitats)
Designation Planning Action Result
Not assessed Not assessed Not assessed not assessed

Habitats

Habitat % of IBA Habitat detail
Shrubland major (>10) Chenopod shrubs, samphire shrubs and forblands; Other shrublands
Wetlands (inland) major (>10) Ephemeral; Freshwater lakes & pools; Riverine floodplains; Rivers & streams
Forest minor (<10) Acacia forests & woodlands; Eucalypt woodlands

Land use

Land use % of IBA
rangeland/pastureland 100

Land ownership
Leasehold.


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Lake Machattie Area (Australia). Downloaded from https://datazone.birdlife.org/site/factsheet/lake-machattie-area-iba-australia on 22/12/2024.