Regional ecosystem details for 2.3.13
| Regional ecosystem | 2.3.13 |
|---|---|
| Vegetation Management Act class | Of concern |
| Wetlands | Palustrine |
| Biodiversity status | Of concern |
| Subregion | 2, 7, 1.4 |
| Estimated extent1 | Pre-clearing 2000 ha; Remnant 2021 2000 ha |
| Short description | Acacia stenophylla low woodland in seasonal swamps on active Quaternary alluvial plains |
| Structure code | Low Woodland |
| Description | Seasonal swamps (wooded). Acacia stenophylla tall shrubland to low open woodland, commonly with Excoecaria parvifolia and Eucalyptus microtheca. A narrow fringe of E. microtheca may occur. The ground layer is a seasonally variable combination of sedges, forbs and grasses. Occurs in closed depressions on active Quaternary alluvial backplains. Cracking clay soils. Palustrine. (BVG1M: 34d). Vegetation communities in this regional ecosystem include: 2.3.13a: [RE not in use]²: This vegetation community has been amalgamated into 2.3.13. Acacia stenophylla low open forest, commonly with Excoecaria parvifolia and Eucalyptus microtheca. A fringe of E. microtheca may occur. The ground layer is a seasonally variable combination of sedges, forbs and grasses. Occurs in backplain swamps (wooded) on Quaternary alluvial plains. Cracking clay soils. Palustrine. (BVG1M: 34d). 2.3.13b: [RE not in use]²: This vegetation community is now mapped as 2.3.61b. Eucalyptus microtheca woodland occasionally with Terminalia platyphylla, Lysiphyllum cunninghamii, Vitex trifolia, Flueggea virosa. May contain small areas of Chenopodium auricomum dwarf shrubland. The ground layer is a seasonally variable combination of sedges, forbs and grasses. Occurs in backplain swamps (wooded) on Quaternary alluvial plains. Cracking clay soils. Palustrine. (BVG1M: 34d). |
| Protected areas | Lawn Hill (Widdallion) RR |
| Special values | 2.3.13: Seasonal wetlands. Bioregionally significant for water birds as feeding, moulting and breeding sites. 2.3.13a: Seasonal wetlands. Bioregionally significant for water birds as feeding, moulting and breeding sites. Culturally significant to local indigenous groups. 2.3.13b: Seasonal wetlands. Important feeding and moulting sites for water birds. |
| Fire management guidelines | SEASON: Storm time. INTENSITY: Moderate to high. INTERVAL: 6-10 years. INTERVAL_MIN: 6. INTERVAL_MAX: 10. STRATEGY: Burn less than 30% in any year. Buffer as indicated by fuel build-up in surrounding vegetation. Restrict wildfire incursions by perimeter burning as required. ISSUES: Frequent fires may eliminate Acacia and other obligate seeding species. High intensity fires may assist seed germination. Best protection from wildfires is probably the creation of a multi-aged mosaic and perimeter burning. Storm-burning may permit fires hot enough to enhance seed germination, but restrict spread and allow the creation and maintenance of a multi-aged mosaic. |
| Comments | 2.3.13: Was previously partly mapped as 2.3.13a. Catchment protection of adjacent slopes required. Subject to high total grazing pressure leading to habitat loss, and disturbance by pigs. 2.3.13a: Catchment protection of adjacent slopes required. Subject to degradation from high total grazing pressure, particularly in the dry season. 2.3.13b: A rare vegetation community. Catchment protection of adjacent slopes required. Subject to degradation from high total grazing pressure, particularly in the dry season. |
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.
