Regional ecosystem details for 5.5.4
| Regional ecosystem | 5.5.4 |
|---|---|
| Vegetation Management Act class | Least concern |
| Wetlands | Not a Wetland |
| Biodiversity status | No concern at present |
| Subregion | 4, 2, 6, (8), (7), (4.4), (5), (12), (6.10), (4.3), (13) |
| Estimated extent1 | Pre-clearing 508000 ha; Remnant 2021 508000 ha |
| Short description | Acacia sibirica +/- Acacia aneura +/- Corymbia spp. open shrubland on Quaternary sediments |
| Structure code | Open Shrubland |
| Description | Acacia sibirica predominates forming a well defined but discontinuous canopy layer. Scattered tall shrubs of Acacia aneura emerge and in places, isolated low trees of Corymbia terminalis occur. Other low shrubs may be present. The ground cover is sparse, and composed of grasses and forbs. Grades into Acacia aneura +/- Acacia sibirica tall open shrubland (5.5.2) in places. Occurs on flat to undulating plains and crests of dissected tablelands with slopes of 1 to 10%. Soils shallow, stony, acidic, red, earthy loam and clay-loam lithosols. Silcrete stones and boulders spread throughout. Not a Wetland. (BVG1M: 24a). Vegetation communities in this regional ecosystem include: 5.5.4x1: Aristida contorta open tussock grassland with occasional scattered/groved Acacia sibirica, Acacia aneura and in places, isolated low trees of Corymbia terminalis occur. Other low shrubs may be present. The ground cover is sparse, and composed of grasses and forbs. Occurs on flat to undulating plains and crests of dissected tablelands with slopes of 1 to 10%. Soils shallow, stony, acidic, red, earthy loam and clay-loam lithosols. Silcrete stones and boulders spread throughout. Not a Wetland. (BVG1M: 24a). |
| Supplementary description | Neldner (1991), 32a (35); Boyland (1984), 18b; Wilson and Purdie (1990a), H1, (18); Mills and Boyland (1979), H3 |
| Protected areas | Goneaway NP, Diamantina NP, Pullen Pullen SWR |
| Special values | 5.5.4: Habitat for threatened plant species including Eremophila alatisepala. |
| Fire management guidelines | SEASON: Wet season. INTENSITY: Low - moderate. INTERVAL: Fire return interval not relevant. INTERVAL_MIN: 100. INTERVAL_MAX: 100. STRATEGY: Aim to exclude fire by fuel reduction in adjacent vegetation communities where possible. Undertake partial burns when necessary to reduce fuel loads and protect against severe wildfire. Burn with high soil moisture (i.e., after rain/storms) or in winter when fire is more easily controlled. |
| Comments | 5.5.4: A. sibirica may be replaced by A. clivicola in the east. |
1 Estimated extent is from version 13 pre-clearing and 2021 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.
