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Herdsman Lake
Herdsman Lake, also known as Herdsmans Lake, is a freshwater lake located on the Swan Coastal Plain, north-west of , Western Australia, in the suburb of Herdsman.
==Description==
The lake is encompassed by Herdsman Lake Regional Park. It measures in length, and in width, totaling over .〔(www.wagouldleague.com.au ) ''About Herdsman Lake Regional Park''. Accessed 21 February 2005.〕 The perimeter of lake is dredged to provide permanent open water, 15% of the area,〔 during the dry summer months. The lake is a wildlife sanctuary, with birdwatching a popular activity.
Almost 80% of the lake is covered with Typha rush (''Typha orientalis''), an introduced weed. In summer, most of the lake is dry. 15% of the lake is permanent deep water. In the 1830s, the lake was a possible water supply for Perth. In 1936, the lake was almost used as an alternative airport. Herdsman Lake was declared a regional park in 1999.〔(www.naturebase.net ) ''Herdsman Lake Regional Park''. Accessed 21 March 2005.〕
The Herdsman Main Drain is a x underground pipe drain carrying excess water from the lake to its outflow at City Beach.〔http://www.stirling.wa.gov.au/NR/rdonlyres/588D8E55-0FC1-4812-9C34-D1B4D2B644AB/4986/HerdsmanLakeICMPlan.pdf〕〔http://www.kic.org.au/files/70430%20Beach%20Health%20Report%20Final%20Perth.pdf〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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