Regional ecosystem details for 2.3.45
| Regional ecosystem | 2.3.45 |
|---|---|
| Vegetation Management Act class | Least concern |
| Wetlands | Not a Wetland |
| Biodiversity status | No concern at present |
| Subregion | 4, 6, (3.1), (3.8), (3.6) |
| Estimated extent1 | Pre-clearing 48000 ha; Remnant 2021 48000 ha |
| Short description | Eucalyptus microtheca or E. chlorophylla +/- Excoecaria parvifolia, Corymbia confertiflora and Terminalia spp. low open woodland on breakaways and erosional surfaces of major watercourses |
| Structure code | Low Open Woodland |
| Description | Eucalyptus microtheca or Eucalyptus chlorophylla low open woodland to woodland, occasionally with Excoecaria parvifolia, Corymbia confertiflora and Terminalia spp. A shrub layer, dominated by Carissa lanceolata commonly occurs. The ground layer is sparse tussock grasses, including Aristida spp. and Brachyachne convergens. Areas of bare ground commonly occur. Occurs on breakaways and erosional surfaces of major watercourses in the north of the bioregion. Orange to brown silty clay and clay loam soils. Not a Wetland. (BVG1M: 16c). |
| Protected areas | Errk Oykangand NP (CYPAL), Staaten River NP |
| 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. Overgrazing can reduce fuel loads and give woody species a competitive advantage. |
| Comments | 2.3.45: Was previously mapped as 2.3.10x12. Subject to high total grazing pressure and highly susceptible to erosion. |
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.
