Lake Muir
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Lake Muir is a freshwater lake, with a larger surrounding wetlands area, that is located in the South West region of Western Australia. The lake lies near Muir Highway, north of Walpole and southeast of Manjimup.
Description
The lake has a surface area of Script error: No such module "convert".. Lake Muir and its surrounding wetland lies within the Lake Muir-Byenup System, a Script error: No such module "convert". area of internal drainage containing a complex of wetland systems. It is fed by a stream leading into the lake, which is crossed at the Lake Muir Bridge.[1][2]
Lake Muir may, in flood, overflow southwest into the Deep River catchment (and possibly also southeast into the Frankland River via Poorginup Gully).[3] Lake Muir is usually brackish (1000–3000 mg/L TDS) at the end of winter, saline by summer and dry throughout autumn.[3]
Lake Muir is protected within Lake Muir Nature Reserve, which was designated in 2001.[4]
Flora and fauna
A Script error: No such module "convert". section of wetland around Lake Muir has been identified by BirdLife International as an Important Bird Area (IBA) because it provides habitat for 10 or more pairs of endangered Australasian bitterns. The wetlands within the IBA are shallow with extensive beds of dense sedgeland and fringing stands of shrubland and woodland. Lake Muir has been excluded from the IBA as it is unsuitable for bitterns but it has supported large numbers of Australian Shelduck and may prove to be globally significant for that species.[5]
History
The lake is connected with significant indigenous occupation over time.[6]
Lake Muir was named after brothers Thomas and John Muir, the first European settlers in the Warren district, who settled at Deeside, Script error: No such module "convert". west of the lake, in 1852 and built a rush hut there in 1856.[7]
Historically the area was a Game Reserve, with a duck shooting season. The Department of Environment and Conservation (CALM) started monitoring the wetlands system in 1980 in order to manage the duck shooting.
On 5 January 2001, a Script error: No such module "convert". area was designated, under the Ramsar Convention as Ramsar site 1050, a wetland of international importance, acknowledging its rich ecological diversity. Lake Muir Nature Reserve was designated in the same year by the Government of Western Australia.[4]
A magnitude 5.7 earthquake was centred at the lake on 16 September 2018[8] and was followed by a magnitude 4.7 quake on 13 October[9] and a 5.4 quake on 9 November.[10]
See also
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References
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- ↑ a b Script error: No such module "citation/CS1".
- ↑ a b UNEP-WCMC (2022). Protected Area Profile for Lake Muir from the World Database of Protected Areas. Accessed 3 May 2022. [1]
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- ↑ regarding the east shore of Lake Muir, Cowerup Swamp and the southeast side of Tordit-Gurrup Lagoon - Script error: No such module "citation/CS1".
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