Regional ecosystem details for 1.9.4
| Regional ecosystem | 1.9.4 |
|---|---|
| Vegetation Management Act class | Least concern |
| Wetlands | Not a Wetland |
| Biodiversity status | No concern at present |
| Subregion | 2, (3), (4), (2.2), (4.7) |
| Estimated extent1 | Pre-clearing 314000 ha; Remnant 2021 313000 ha |
| Short description | Mixed shrubby woodland on rocky limestone landscapes |
| Structure code | Woodland |
| Description | Mixed shrubby woodland dominated by Terminalia spp., Lysiphyllum cunninghamii and Corymbia terminalis. Occurs on limestone landscapes with a lot of exposed rock; skeletal soils. Not a Wetland. (BVG1M: 27c). Vegetation communities in this regional ecosystem include: 1.9.4a: [RE not in use]²: This vegetation community is now mapped as 1.9.10. Sink holes with low open forest of Celtis strychnoides and second tree layer of Ficus spp. Occurs around sinkholes in Cambrian limestone. Not a Wetland. (BVG1M: 27c). 1.9.4b: Mixed shrubby low open woodland dominated by Terminalia aridicola, Lysiphyllum cunninghamii and Corymbia terminalis. Occurs on rocky rounded hills on limestones; skeletal soils. Not a Wetland. (BVG1M: 27c). 1.9.4c: Corymbia terminalis open woodland with a second tree layer of Eucalyptus leucophylla and ground layer dominated by Triodia pungens. Occurs on rocky rounded hills on limestones; skeletal soils. Not a Wetland. (BVG1M: 19b). 1.9.4d: [RE not in use]²: This vegetation community is now mapped as 1.9.4b. Mixed shrubby woodland dominated by Lysiphyllum cunninghamii and Brachychiton collinus with Corymbia terminalis on lower slopes. Well-developed understorey of Triodia spp. Occurs on stony hills on Tertiary limestones; skeletal soils. Not a Wetland. (BVG1M: 27b). |
| Supplementary description | Christian et al. (1954), Thorntonia, Redbank, Mount Isa |
| Protected areas | Boodjamulla (Lawn Hill) NP, Lawn Hill (Gregory) RR, Lawn Hill (Lilydale) RR, Lawn Hill (Littles Range) RR |
| Special values | 1.9.4: Potential habitat for NCA listed species: Ipomoea antonschmidii. |
| Fire management guidelines | SEASON: c: Storm season to early dry season. INTENSITY: c: Low to moderate. INTERVAL: c: 4 - 10 years. Ensure some areas are long (10-20 years) unburnt. Adjust intervals/frequency according to rainfall-drought cycles, fuel accumulation and previous fire history. INTERVAL_MIN: 4. INTERVAL_MAX: 20. STRATEGY: Do not burn deliberately. Low intensity fire in surrounding fire-adapted areas will reduce fire encroachment. c: Ensure burns are undertaken across the landscape at a range of frequencies to create a mosaic of times since fire. Apply numerous small burns every year to achieve a mosaic and reduce risks of wildfire across vast areas of the landscape. Maintain burnt areas < 20%. ISSUES: Do not target for fire exclusion or prescribed burns. c: Rainfall is a major factor affecting spinifex growth, such that a very wet year or a series of wet years may boost the spinifex fuel load leading to the possibility of extensive wildfire in subsequent years. |
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.
2 Superseded: Revision of the regional ecosystem classification removed this regional ecosystem code from use. It is included in the regional ecosystem description database because the RE code may appear in older versions of RE mapping and the Vegetation Management regulation.
