Regional ecosystem details for 9.11.17
| Regional ecosystem | 9.11.17 |
|---|---|
| Vegetation Management Act class | Least concern |
| Wetlands | Not a Wetland |
| Biodiversity status | No concern at present |
| Subregion | 4, 2, 11.3, (10.3), (5), (2.9) |
| Estimated extent1 | Pre-clearing 30000 ha; Remnant 2021 30000 ha |
| Short description | Corymbia peltata +/- Eucalyptus crebra +/- E. shirleyi or E. melanophloia low open woodland on metamorphic hills and mountains |
| Structure code | Low Open Woodland |
| Description | Low woodland to open woodland of Corymbia peltata (rustyjacket) +/- Eucalyptus crebra (narrow-leaved ironbark) +/- E. shirleyi (silver-leaved ironbark) or E. melanophloia (silver-leaved ironbark) +/- Corymbia spp. In some areas Eucalyptus crebra (narrow-leaved ironbark) may be replaced by E. exilipes (fine-leaved ironbark) or E. xanthoclada (yellow-branched ironbark). An open sub-canopy can occur with Terminalia aridicola (arid peach), E. shirleyi (silver-leaved ironbark) and Bursaria incana (prickly pine). The shrub layer varies from absent to mid-dense and can include Denhamia cunninghamii (yellowberry bush), Persoonia falcata (geebung), Erythroxylum spp. (cocaine tree), Acacia spp. and juveniles of canopy species. The sparse to dense ground layer is grassy and generally dominated by Heteropogon spp. (speargrasses) and Aristida spp. Occurs on gravelly soils on hills to mountains. Not a Wetland. (BVG1M: 12b). |
| Protected areas | Blackbraes NP |
| Special values | 9.11.17: Potential habitat for NCA listed species: Macropteranthes montana. |
| Fire management guidelines | SEASON: Early dry season and storm time. Timing of early dry season burns will vary depending on seasonal conditions; it may sometimes commence as early as March. INTENSITY: Low, with occasional moderate. INTERVAL: 2-5 year intervals with longer unburnt patches. Fuel loads tend to reach a maximum after 2-3 years. Ensure burn programs occur after big wet season as fuel loads will be higher than average. INTERVAL_MIN: 2. INTERVAL_MAX: 5. STRATEGY: Burn less than 40% across the landscape in any year. Burning through the early dry season will produce a network of burns that will contain later fires. Fires will only gain in intensity as the dry season progresses. Grass composition can be affected by timing and intensity of fire. Occasional moderate fire will help to reduce overabundant trees that could potentially suppress ground layer vegetation. ISSUES: Leave areas of long unburnt vegetation to maintain a diversity of habitat for wildlife. |
| Comments | 9.11.17: Occurs north of Blackbraes in the central bioregion and south of Charters Towers in the south of the bioregion. |
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.
