Regional ecosystem details for 2.7.5
| Regional ecosystem | 2.7.5 |
|---|---|
| Vegetation Management Act class | Least concern |
| Wetlands | Not a Wetland |
| Biodiversity status | No concern at present |
| Subregion | 7, 8, 10, 2, (1.3), (1.4) |
| Estimated extent1 | Pre-clearing 107000 ha; Remnant 2021 107000 ha |
| Short description | Terminalia canescens and Corymbia setosa subsp. pedicellaris woodland on dissected plateau margins on skeletal soils |
| Structure code | Woodland |
| Description | Terminalia canescens and Corymbia setosa subsp. setosa woodland. Common associates include Eucalyptus leucophylla, Erythrophleum chlorostachys, Ventilago viminalis and Cochlospermum gregorii. Occasionally Corymbia confertiflora, Corymbia grandifolia subsp. grandifolia subsp. grandifolia, Hakea arborescens and Dolichandrone heterophylla may be present. Grass layer dominated by Triodia pungens. Occurs on dissected landward margins of Tertiary surfaces; skeletal soils. Not a Wetland. (BVG1M: 12b). Vegetation communities in this regional ecosystem include: 2.7.5a: Mixed low open woodland, including combinations of the species Eucalyptus pruinosa subsp. pruinosa, E. chlorophylla, Terminalia canescens, Corymbia setosa. Terminalia oblongata subsp. volucris, C. curtipes, Lysiphyllum cunninghamii, Grevillea parallela may occur in the canopy. Emergent Corymbia grandifolia subsp. grandifolia, C. polycarpa and C. aparrerinja may occur. An Acacia spp. shrub layer commonly occurs. The ground layer is tussock grasses. Occurs on broad, Tertiary lateritic surfaces. Red-brown skeletal sandy or earthy soils over ferricrete. Not a Wetland. (BVG1M: 19c). 2.7.5b: Mixed low open woodland, including combinations of the species Corymbia setosa, Terminalia canescens, C. ferruginea, C. polycarpa, C. aspera. Occasional canopy species include Eucalyptus pruinosa subsp. pruinosa, E. chlorophylla, Lysiphyllum cunninghamii, Hakea arborescens and Melaleuca viridiflora. Emergent Corymbia grandifolia subsp. grandifolia may occur. A shrub layer may occur, including Acacia spp. and Terminalia canescens. The ground layer is commonly Triodia pungens and Schizachyrium fragile. Occurs on broad, Tertiary lateritic surfaces. Brown shallow, loamy soils over ferricrete. Not a Wetland. (BVG1M: 18a). 2.7.5x1: [RE not in use]²: This regional ecosystem is now mapped as part of 2.7.15. Mixed low open woodland to low woodland, including combinations of the species Melaleuca citrolens, Eucalyptus pruinosa subsp. pruinosa, Petalostigma banksii, Terminalia canescens and M. viridiflora. Other canopy species include Excoecaria parvifolia, Corymbia setosa, Eucalyptus leucophloia, Hakea arborescens and Terminalia oblongata subsp. volucris. Emergent Cochlospermum gregorii may occur. A variable shrub layer may occur, including canopy species, Flueggea virosa, Acacia spp. and Carissa lanceolata. The ground layer is Triodia pungens and tussock grasses. Occurs on Tertiary lateritic surfaces in the west of the bioregion. Brown skeletal loamy soils over ferricrete. Not a Wetland. (BVG1M: 21b). 2.7.5x50a: [RE not in use]²: This vegetation community is now mapped as 2.5.23a. Mixed low open woodland, including combinations of the species Eucalyptus pruinosa subsp. pruinosa, Corymbia terminalis, E. chlorophylla and Lysiphyllum cunninghamii. Terminalia canescens, Melaleuca spp., C. setosa and C. polycarpa may occur in the canopy. Emergent Corymbia grandifolia subsp. grandifolia and C. aparrerinja may occur. A shrub layer, dominated by Acacia spp., commonly occurs. The ground layer is tussock grasses, including Aristida spp., Schizachyrium fragile and Chrysopogon fallax. Occurs on level sand sheets overlying broad, Tertiary lateritic surfaces. Red to brown sands and earths with ferricrete at depth. Not a Wetland. (BVG1M: 19c). 2.7.5x50b: [RE not in use]²: This vegetation community is now mapped as 2.5.23b. Mixed low open woodland, including combinations of the species Eucalyptus pruinosa subsp. pruinosa, Corymbia setosa, Terminalia canescens, E. chlorophylla, Lysiphyllum cunninghamii, Erythrophleum chlorostachys and Melaleuca spp. Emergent Corymbia grandifolia subsp. grandifolia and C. polycarpa may occur. A sparse shrub layer may occur, including Acacia hammondii and Petalostigma banksii. The ground layer it tussock grasses. Occurs on level sand sheets overlying broad, Tertiary lateritic surfaces. Yellow-brown sandy loam soils with ferricrete at depth. Not a Wetland. (BVG1M: 19c). 2.7.5x50c: [RE not in use]²: This vegetation community is now mapped as 2.5.23c. Mixed low woodland including combinations of the species Eucalyptus pruinosa subsp. pruinosa, Lysiphyllum cunninghamii, Corymbia terminalis, E. chlorophylla, C. confertiflora, Melaleuca citrolens, Grevillea striata and Atalaya hemiglauca. A shrub layer including Terminalia canescens and Acacia spp. may occur. The ground layer is tussock grasses. Occurs on level to gently undulating old alluvial plains (early Pleistocene surface) between Tertiary lateritic surfaces and active alluvial systems. Pale brown silty soils. Not a Wetland. (BVG1M: 19c). 2.7.5x50d: [RE not in use]²: This vegetation community is now mapped as 2.5.23d. Eucalyptus chlorophylla low woodland, occasionally with Lysiphyllum cunninghamii and Terminalia canescens. Acacia phlebocarpa low shrubs commonly occur. Occurs on level, old alluvial plains (early Pleistocene surface) between Tertiary lateritic surfaces and active alluvial systems. Pale brown silty soils. Not a Wetland. (BVG1M: 18c). |
| Supplementary description | Christian et al. (1954), Westmoreland |
| Special values | 2.7.5b: Supports locally uncommon plant species in the bioregion, including Corymbia aspera. |
| Fire management guidelines | SEASON: Burn in the wet season or very soon after. x1, x50b: Commence burning 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, although spinifex will naturally burn with high intensity in some areas. x1, x50b: Low to moderate with occasional high intensity. INTERVAL: 2-7 years. Fire-killed acacias produce seed at 5 years, so some longer unburnt patches need to be retained. x1, x50b: 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: 7. STRATEGY: Apply fire at sufficient intervals such that hummocks do not form a continuous fuel layer across the landscape. Use broad scale mosaic burning. Burn when the soil is moist as it promotes post-fire recovery of spinifex. x1, x50b: 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: Spinifex is highly flammable. Green spinifex will also burn readily. x1, x50b: 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 | 2.7.5x50d: A rare vegetation community. |
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.
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.
