Regional ecosystem details for 2.5.24
| Regional ecosystem | 2.5.24 |
|---|---|
| Vegetation Management Act class | Least concern |
| Wetlands | Not a Wetland |
| Biodiversity status | No concern at present |
| Subregion | 9, (9.5), (9.2), (9.4) |
| Estimated extent1 | Pre-clearing 189000 ha; Remnant 2021 184000 ha |
| Short description | Eucalyptus crebra and/or Corymbia citriodora +/- C. brachycarpa, E. mediocris open forest on sand sheets on Mesozoic sandstone plateaus |
| Structure code | Woodland |
| Description | Eucalyptus crebra and/or Corymbia citriodora open forest to woodland. Occasional canopy species include C. brachycarpa, C. clarksoniana, E. mediocris and E. exilipes. A lower tree or shrub layer may occur, including Grevillea spp., Acacia spp. and Alphitonia spp. The ground layer is tussock grasses, including Themeda triandra, Heteropogon spp. and Aristida spp. Includes areas of Corymbia serendipita, Corymbia polycarpa and Corymbia gilbertensis woodland in the centre of the distribution, on and around "Gilberton" station. Occurs on sand sheets on Mesozoic sandstone plateaus. Red to brown sands and earths. Not a Wetland. (BVG1M: 18a). Vegetation communities in this regional ecosystem include: 2.5.24a: Eucalyptus crebra open forest, commonly with C. citriodora. Occasional canopy species include C. brachycarpa, C. clarksoniana and C. intermedia. A lower tree or shrub layer may occur, including Grevillea spp., and Acacia spp. The ground layer is tussock grasses, including Themeda triandra, Sarga plumosum and Heteropogon spp. Occurs on flat to gently undulating sand sheets on Mesozoic sandstone plateaus. Red to brown sands and earths. Not a Wetland. (BVG1M: 18a). 2.5.24b: Corymbia citriodora woodland, commonly with E. mediocris, E. crebra and E. exilipes. A sparse shrub layer may occur. The ground layer is tussock grasses, including Heteropogon triticeus and Themeda triandra. Occurs on flat to gently undulating sand sheets on Mesozoic sandstone plateaus. Red to brown sands and earths. Not a Wetland. (BVG1M: 18a). 2.5.24c: Corymbia serendipita, Corymbia polycarpa and Corymbia gilbertensis woodland, commonly with Erythrophleum chlorostachys. A sparse shrub layer may occur, including Petalostigma banksii, Acacia julifera and Alphitonia spp. The ground layer is tussock grasses, including Aristida spp., Arundinella spp. and Schizachyrium spp. Occurs on sand sheets on Mesozoic sandstone plateaus. Red to brown sands and earths. Not a Wetland. (BVG1M: 18a). |
| Protected areas | Blackbraes NP |
| Special values | 2.5.24: Occurs at the highest altitudes in the bioregion (up to 1000+m). 2.5.24a: Occurs at the highest altitudes in the bioregion (up to 1000+m). |
| 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. 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 | 2.5.24a: Was previously mapped as 2.5.6x11a. 2.5.24b: Was previously mapped as 2.5.6x11b. 2.5.24c: A rare vegetation comminity but poorly surveyed. Was previously mapped as 2.5.6x11c. North of Gilberton homestead. |
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.
