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Regional ecosystem details for 1.3.4

Regional ecosystem 1.3.4
Vegetation Management Act class Least concern
Biodiversity status No concern at present
Subregion 3, 1, 2.8, (5.6), (2), (4.2), (2.2), (4.3), (4.7), (2.3), (5.9)
Estimated extent1 Pre-clearing 55000 ha; Remnant 2017 53000 ha
Extent in reserves No representation
Short description Acacia cambagei low open woodland to woodland on alluvium, sometimes with Eucalyptus leucophylla
Structure category Sparse
Description Acacia cambagei low open woodland and low woodland over annual grasses. Eucalyptus leucophylla may be co-dominant to the east of Cloncurry. Acacia georginae may replace Acacia cambagei in the far south west of the bioregion. Occurs on alluvial plains, levees and valley bottoms; red or brown earths and clays. (BVG1M: 26a)

Vegetation communities in this regional ecosystem include:
1.3.4a: Acacia cambagei low open woodland and low woodland over annual grasses. Acacia georginae may replace Acacia cambagei in the far south west of the bioregion. Occurs on alluvial plains and valley bottoms; red or brown earths and clays. Floodplain (other than floodplain wetlands). (BVG1M: 26a)
1.3.4b: Acacia cambagei and Eucalyptus leucophylla low woodland. A sparse ground layer occurs which includes tussock grasses and Triodia longiceps. Occurs on levees of creeks flowing onto clay plains. Floodplain (other than floodplain wetlands). (BVG1M: 26a)
1.3.4x1: [Not in RE version 11]²: This vegetation community is now mapped as 1.3.13a. Aristida spp. sparse tussock grassland, bare for much of the year, sometimes with Triodia longiceps with scattered emergent trees of Grevillea striata and/or Acacia cambagei and/or Atalaya hemiglauca and/or Acacia excelsa subsp. angusta and/or Corymbia spp. and/or Eucalyptus spp. and/or Hakea spp. Occurs on flat bare areas adjacent watercourses. (BVG1M: 31a)
Supplementary description Christian et al. (1954), Mount Isa, Waverley; Perry et al. (1964), Quamby
Fire management guidelines SEASON: Storm season to early dry season. INTENSITY: Various. INTERVAL: >30 years. STRATEGY: Burn in association with surrounding country. Maintain mosaic burning in surrounding country to mitigate against spread of unplanned fire into acacia woodlands. ISSUES: Acacia communities need fire for recruitment but make sure they occur at long intervals. Acacia communities are sensitive to high frequency intense fires. Sparse ground layer will inhibit the ability to burn. Buffel grass invasion can increase the potential for frequent and damaging fires.
Comments 1.3.4: Occurs from the far south of the bioregion to about 50km north of Camooweal.

1 Estimated extent is from version 11 pre-clearing and 2017 remnant regional ecosystem mapping. Figures are rounded for simplicity. For more precise estimates, including breakdowns by tenure and other themes see remnant vegetation in Queensland.

2 Superseded: Revision of the regional ecosystem classification removed this regional ecosystem code from use. It is included in the regional ecosystem description database because the RE code may appear in older versions of RE mapping and the Vegetation Management regulation.

Licence
Creative Commons Attribution 4.0 International (CC BY 4.0)
Last updated
16 April 2019
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