Regional ecosystem details for 2.5.28
| Regional ecosystem | 2.5.28 |
|---|---|
| Vegetation Management Act class | Least concern |
| Wetlands | Not a Wetland |
| Biodiversity status | No concern at present |
| Subregion | 5, 8, (9), (2), (3), (4) |
| Estimated extent1 | Pre-clearing 232000 ha; Remnant 2021 232000 ha |
| Short description | Corymbia polycarpa and/or C. grandifolia +/- C. confertiflora, Erythrophleum chlorostachys open woodland on reworked sand deposits on broad plains and plateau surfaces |
| Structure code | Woodland |
| Description | Corymbia polycarpa and/or C. grandifolia open woodland to woodland, commonly with C. confertiflora, Erythrophleum chlorostachys and Lysiphyllum cunninghamii. Occasional canopy species include Eucalyptus leptophleba and C. setosa. A sparse lower tree layer may occur. A variable shrub layer may occur, including Melaleuca spp., Acacia spp. and Petalostigma spp. The ground layer includes Aristida spp., Triodia pungens and Eriachne sp. Occurs on reworked sand deposits on broad plains and Tertiary lateritic plateau surfaces. Brown sands and sandy loams. Not a Wetland. (BVG1M: 18a). Vegetation communities in this regional ecosystem include: 2.5.28a: Corymbia polycarpa woodland, commonly with C. confertiflora, Erythrophleum chlorostachys and C. grandifolia. Occasional canopy species include Eucalyptus leptophleba and C. setosa. A sparse lower tree layer may occur. A shrub layer commonly occurs, including Melaleuca spp., Acacia spp. and Petalostigma spp. The ground layer is commonly dominated by Aristida spp. Occurs on reworked sand deposits on broad plains (Claraville Plains subregion). Brown sands and sandy loams. Not a Wetland. (BVG1M: 18a). 2.5.28b: Corymbia polycarpa and/or C. grandifolia open woodland to woodland, commonly with Lysiphyllum cunninghamii. Occasional canopy species include C. setosa and Melaleuca nervosa. A lower tree layer, dominated by Melaleuca spp., commonly occurs. A variable shrub layer commonly occurs. The ground layer includes Triodia pungens, Aristida spp., and Eriachne sp. Occurs on reworked sand deposits on Tertiary lateritic plateau surfaces (Donors Plateau subregion). Red to brown sands and sandy loams. Not a Wetland. (BVG1M: 18a). |
| 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. Spinifex is highly flammable. Green spinifex will also burn readily. 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 | 2.5.28a: Was previously mapped as 2.5.14x3 and 2.5.24x50. 2.5.28b: Was previously mapped as 2.5.9x2e. |
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.
