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Lake Hawdon System Important Bird Area

Coordinates:37°16′34″S139°55′35″E / 37.27611°S 139.92639°E /-37.27611; 139.92639
From Wikipedia, the free encyclopedia
For other uses, seeLake Hawdon.

Lake Hawdon System IBA is located in South Australia
Lake Hawdon System IBA
Lake Hawdon System IBA
Location in South Australia
The IBA is an important site for red-necked stints

TheLake Hawdon System Important Bird Area comprises an area of 374 square kilometres (144 square miles) covering a series of five coastal lakes on theLimestone Coast ofSouth Australia. They are the most important of a string of regional lakes occupyingswale corridors between modern and historicalsand dunes.[1]

Description

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TheImportant Bird Area (IBA) lies between the towns ofRobe andBeachport. It includes the following lakes listed in order from north to south - Hawdon, Robe, Eliza, St Clair and George, and the area extending for a distance of one kilometre (0.62 mi) inland from each in order to include habitat used bycritically endangeredorange-bellied parrots. Characteristics of the lakes are:[1]

  • Lake Hawdon – shallow, semi-permanent, brackish lake which is divided into a northern basin measuring six by six kilometres (3.7 by 3.7 mi) and a southern basin measuring nine by four point five kilometres (5.6 by 2.8 mi) with a maximum water depth of about one metre (3.3 ft);
  • Lake Robe – 406 hectares (1,000 acres) much smaller than Lake Hawdon
  • Lake Eliza – hypersaline coastal lake with maximum depth of 1.4 metres (4 feet 7 inches);
  • Lake St Clair – 189 hectares (470 acres) similar to Lake Eliza but more saline
  • Lake George – about thirteen by eight kilometres (8.1 by 5.0 mi) with maximum depth of 3.5 metres (11 feet); naturally hypersaline but functions as an estuary with an outlet to the sea.

Criteria for nomination as an IBA

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The wetland system was identified byBirdLife International as an IBA because it regularly supports over 1% of the world populations ofred-necked stint, and often ofsharp-tailed sandpipers,double-banded plovers andbanded stilts. It also provides habitat for orange-bellied parrots,Australasian bitterns,rufous bristlebirds andstriated fieldwrens.[1] The adjacent beaches and offshore islets, from Cowrtie Island[clarification needed] toBaudin Rocks, sometimes support breedingfairy terns.[1]

Associated protected areas

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While the IBA has no statutory status, it does overlap the followingprotected areas declared by theSouth Australian government:Beachport Conservation Park,Lake Robe Game Reserve,Lake St Clair Conservation Park andLittle Dip Conservation Park.[1]

See also

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References

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  1. ^abcde"Important Bird Areas factsheet: Lake Hawdon System". BirdLife International. 2017. Retrieved15 December 2017.

37°16′34″S139°55′35″E / 37.27611°S 139.92639°E /-37.27611; 139.92639


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