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Engaewa subcoerulea

Status_ne_offStatus_dd_offStatus_lc_onStatus_nt_offStatus_vu_offStatus_en_offStatus_cr_offStatus_ew_offStatus_ex_off

Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA ARTHROPODA MALACOSTRACA DECAPODA PARASTACIDAE

Scientific Name: Engaewa subcoerulea
Species Authority: Riek, 1967

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2010
Date Assessed: 2009-06-01
Assessor(s): Burnham, Q.
Reviewer(s): Collen, B. & Richman, N.
Contributor(s): Livingston, F., Livingston, F., Soulsby, A.-M., Batchelor, A., Dyer, E., Whitton, F., Milligan, H.T., Smith, J., Lutz, M.L., De Silva, R., McGuinness, S., Kasthala, G., Jopling, B., Sullivan, K. & Cryer, G.
Justification:
Engaewa subcoerulea has been assessed as Least Concern (LC). This is because this species has a wide distribution, equating to an EOO in excess of 13,000 km2 of south-western Australia and is known to be abundant in at least part of its range. There are no major threats impacting this species or its habitat, part of its range occurs in two national parks and it is unlikely to be experiencing population declines.

Geographic Range [top]

Range Description: This species is endemic to tributaries in the vicinity of Walpole, Western Australia. This species is distributed from the Windy Harbour region to Denmark (Morgan and Beatty 2005). 
The Extent of Occurrence (EOO) of this species has been estimated to exceed 13,000 km².
Countries:
Native:
Australia (Western Australia)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: There is insufficient population data available for this species, although it is known to be abundant in many of the areas that it inhabits (Q. Burnham, pers. comm. 2008).
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: This species is a primary burrower. They are generally found in seasonal wetlands where the water table often does not reach the surface (Q. Burnham, pers. comm. 2008). This particular species is generally found in sandy soils in which they dig expansive burrow systems (Q. Burnham, pers. comm. 2008).
Systems: Freshwater

Threats [top]

Major Threat(s): This species could be threatened by rapid changes in land use within their combined distribution areas, which have affected surface and ground water conditions in the south-west, destroying their natural habitat (Naturebase 2007). Horowitz and Adams (2000) suggest this species is well represented and no significant population declines are known. This species is known to be abundant and is unlikely to be threatened in the near future (Q. Burnham pers. comm. 2008).

Conservation Actions [top]

Conservation Actions: Horowitz and Adams (2000) suggest this species is well represented and no significant population declines are known, however its distribution range coincides with the D’Entrecasteaux and ShannonNational Park, therefore this species does not require conservation measures at present (Q. Burnham, pers. comm. 2008).

Citation: Burnham, Q. 2010. Engaewa subcoerulea. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 29 August 2014.
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