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Regional ecosystem details for 1.9.11

Regional ecosystem 1.9.11
Vegetation Management Act class Least concern
Wetlands Not a Wetland
Biodiversity status No concern at present
Subregion 2, 4.7, (1), (3), (2.2)
Estimated extent1 Pre-clearing 81000 ha; Remnant 2021 80000 ha
Short description Corymbia terminalis and/or Eucalyptus leucophylla and/or Lysiphyllum cunninghamii low open woodland on limestone
Structure code Low Woodland
Description Corymbia terminalis and/or Eucalyptus leucophylla and/or Lysiphyllum cunninghamii low open woodland. Eucalyptus pruinosa, Ventilago viminalis and Eucalyptus leucophloia occasionally occur. Senna spp. shrub layer may be present. Mixed ground layer dominated by Triodia pungens and/or tussock grasses. Includes treeless areas. Occurs on skeletal and shallow soils on limestones; stepped hills; margins of clay plains. Not a Wetland. (BVG1M: 19b).

Vegetation communities in this regional ecosystem include:
1.9.11a: Corymbia terminalis and Lysiphyllum cunninghamii low open woodland. Senna spp. shrub layer may be present. Mixed ground layer dominated by tussock grasses. Includes treeless areas. Occurs on skeletal soils on low stepped hills on Cambrian limestones. Not a Wetland. (BVG1M: 19b).
1.9.11b: Mixed low open woodland including Eucalyptus leucophylla, Corymbia terminalis, Eucalyptus pruinosa, Eucalyptus leucophloia, Lysiphyllum cunninghamii and Ventilago viminalis. Sparse shrub layer of Senna spp. and Acacia spp. Mixed ground layer of tussock grasses and Triodia pungens. Occurs on margins of clay plains which are being incised by creeks cutting into the underlying limestone. Not a Wetland. (BVG1M: 19b).
1.9.11c: Eucalyptus leucophylla low open woodland, commonly with Corymbia terminalis. Ground layer of Triodia pungens and/or tussock grasses. Occurs on skeletal soils on limestones. Not a Wetland. (BVG1M: 19b).
Protected areas Boodjamulla (Lawn Hill) NP, Lawn Hill (Gregory) RR
Fire management guidelines SEASON: Storm season to very early dry season. INTENSITY: Low with occasional moderate. INTERVAL: 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: 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: 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. Fuel loads tend to be higher where there is a mix of tussock and spinifex grasses.
Comments 1.9.11: This vegetation community was previously mapped as 1.9.5a, 1.9.5d and 1.9.5e. 1.9.11a: This vegetation community was previously mapped as 1.9.5a. 1.9.11b: This vegetation community was previously mapped as 1.9.5d. 1.9.11c: This vegetation community was previously mapped in part as 1.9.5d and in part as 1.9.5e.

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.

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Licence
Creative Commons Attribution 4.0 International (CC BY 4.0)
Last updated
14 May 2024