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Regional ecosystem details for 11.4.5

Regional ecosystem 11.4.5
Vegetation Management Act class Of concern
Wetlands Not a Wetland
Biodiversity status Endangered
Subregion 7, (3), (5), (11), (4), (10.2), (6)
Estimated extent1 Pre-clearing 101000 ha; Remnant 2021 12000 ha
Short description Acacia argyrodendron woodland on Cainozoic clay plains
Structure code Woodland
Description Acacia argyrodendron woodland to open woodland. There are usually scattered small trees present including A. argyrodendron, Terminalia oblongata, Owenia acidula, Lysiphyllum carronii and Eremophila mitchellii. Grasses usually dominate the very sparse to mid-dense ground layer, including Dichanthium sericeum, Panicum decompositum and Aristida latifolia. Occurs on flat to gently undulating plains formed from unconsolidated Cainozoic deposits. Not a Wetland. (BVG1M: 26a).
Supplementary description Gunn et al. (1967), Blackwater, Somerby, Disney; Burgess (2003) (VA 37) Turon, Warwick; Gunn and Nix (1977) LU 40, LU 36; Burgess (2003) (VA37), (VA4), Warwick, Turon
Protected areas Nairana NP, Wilandspey CP
Fire management guidelines INTERVAL: Fire return interval not relevant. INTERVAL_MIN: 100. INTERVAL_MAX: 100. STRATEGY: Do not target for fires. Can tolerate only very early dry season fires, under mild conditions, that trickle along the ground layer. Control fuel loads in the surrounding vegetation. ISSUES: Blackwood is only tolerant of mild fires trickling underneath, and can be damaged or killed by moderate to high intensity fires. Exotic grasses, such as Buffel grass, carry intense fires into these communities and can cause tree deaths. There should be no damage to Acacia trees from fires.
Comments 11.4.5: Extensively cleared for pasture. The exotic species *Cenchrus ciliaris often dominates the ground layer.

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