Regional ecosystem details for 2.5.23
| Regional ecosystem | 2.5.23 |
|---|---|
| Vegetation Management Act class | Least concern |
| Wetlands | Not a Wetland |
| Biodiversity status | No concern at present |
| Subregion | 7, 2, (10), (1.4), (1.3) |
| Estimated extent1 | Pre-clearing 282000 ha; Remnant 2021 282000 ha |
| Short description | Eucalyptus pruinosa, Lysiphyllum cunninghamii, E. chlorophylla and Corymbia setosa in mixed low open woodlands on sand sheets overlying Tertiary lateritic surfaces |
| Structure code | Low Open Woodland |
| Description | Mixed low open woodland, including combinations of the species Eucalyptus pruinosa, Lysiphyllum cunninghamii, E. chlorophylla, Corymbia setosa and Terminalia canescens. Occasional canopy species include Erythrophleum chlorostachys, Melaleuca spp. and C. polycarpa. Emergent C. grandifolia and C. aparrerinja may occur. A shrub layer may occur, commonly dominated by Acacia spp. The ground layer is tussock grasses, including Aristida spp., Schizachyrium fragile and Chrysopogon fallax. Occurs on level sand sheets overlying broad, Tertiary lateritic surfaces and associated old alluvial deposits (Doomadgee Plains subregion). Red to brown sands, earths and loams. Not a Wetland. (BVG1M: 19c). Vegetation communities in this regional ecosystem include: 2.5.23a: Mixed low open woodland, including combinations of the species Eucalyptus pruinosa, Lysiphyllum cunninghamii, Corymbia terminalis, E. chlorophylla and Terminalia canescens. Occasional canopy species include Melaleuca spp. and C. polycarpa. Emergent C. grandifolia and C. aparrerinja may occur. A shrub layer dominated by Acacia spp. commonly occurs. The ground layer is tussock grasses, including Aristida spp., Schizachyrium fragile and Chrysopogon fallax. Occurs on level sand sheets overlying broad, Tertiary lateritic surfaces. Red to brown sands and earths with ferricrete at depth. Not a Wetland. (BVG1M: 19c). 2.5.23b: Mixed low open woodland, including combinations of the species Eucalyptus pruinosa, Corymbia setosa, Terminalia canescens, E. chlorophylla and Erythrophleum chlorostachys. Occasional canopy species include Lysiphyllum cunninghamii and Melaleuca spp. Emergent C. grandifolia and C. polycarpa may occur. A sparse shrub layer may occur, including Acacia hammondii and Petalostigma banksii. The ground layer it sparse tussock grasses, including Aristida hygrometrica and Eulalia aurea. Occurs on level sand sheets overlying broad, Tertiary lateritic surfaces. Yellow-brown sandy loam soils with ferricrete at depth. Not a Wetland. (BVG1M: 19c). 2.5.23c: Eucalyptus pruinosa and Lysiphyllum cunninghamii low woodland, commonly with Atalaya hemiglauca and Grevillea spp. A lower tree or shrub layer commonly occurs, including Terminalia canescens, Erythrophleum chlorostachys and Acacia spp. The ground layer is sparse tussock grasses, including Chrysopogon fallax, Sehima nervosum and Eulalia aurea. Occurs on level to gently undulating old alluvial deposits (early Pleistocene surface) between Tertiary lateritic surfaces and active alluvial systems. Brown sandy and silty loams. Not a Wetland. (BVG1M: 19c). 2.5.23d: Eucalyptus chlorophylla low woodland. A lower tree may occur, including Lysiphyllum cunninghamii and Terminalia canescens. Acacia phlebocarpa low shrubs commonly occur. The ground layer is tussock grasses, including Chrysopogon fallax and Sehima nervosum. Occurs on level, old alluvial deposits (early Pleistocene surface) between Tertiary lateritic surfaces and active alluvial systems. Pale brown sandy loams. Not a Wetland. (BVG1M: 18c). |
| Fire management guidelines | SEASON: Commence early in dry season as soon as ground fuels can carry fire with fire extinguishing early evening. Continue to mid-dry season. INTENSITY: Low to moderate with occasional high intensity. INTERVAL: 1-5 years, but do not burn the same patches annually. Landscape mosaic should consist of patches with different times since burning. Fire-killed acacias produce seed at 5 years, so some longer unburnt patches need to be retained. INTERVAL_MIN: 1. INTERVAL_MAX: 5. STRATEGY: Break up continuity of fuel across the landscape so that impact of late-season wildfire is minimised. Wildfire due to dry storms late in the dry season or in the early wet are natural occurrences, but they can burn over a wide area of the landscape with unwanted intensity and frequency. Use broad scale mosaic burning. ISSUES: Overabundant seedlings and saplings can lead to woody thickening if unchecked by fire. A long absence of fire or low intensity fire too early in the season may lead to overabundant seedlings and saplings. If ground fuels are sparse spell pastures prior to planned burns. Weeds such as buffel grass and rubbervine may be an issue for some tussock grass communities because weeds increase fuel loads leading to high intensity fires. |
| Comments | 2.5.23a: Was previously mapped as 2.7.5x50a. 2.5.23b: Was previously mapped as 2.7.5x50b. 2.5.23c: Was previously mapped as 2.7.5x50c. 2.5.23d: A rare vegetation community. Was previously mapped as 2.7.5x50d. |
1 Estimated extent is from version 13.1 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.
