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Regional ecosystem details for 12.12.20

Regional ecosystem 12.12.20
Vegetation Management Act class Of concern
Wetlands Not a Wetland
Biodiversity status Of concern
Subregion 10
Estimated extent1 Pre-clearing 6000 ha; Remnant 2021 6000 ha
Short description Eucalyptus saligna tall open forest on Mesozoic to Proterozoic igneous rocks
Structure code Tall Open Forest
Description Eucalyptus saligna tall open forest with shrubby or grassy understorey. Occurs on Mesozoic to Proterozoic igneous rocks. Not a Wetland. (BVG1M: 8a).
Supplementary description Bean et al. (1998), G24 (in part)
Protected areas Kroombit Tops NP, Dawes NP
Special values 12.12.20: Potential habitat for NCA listed species: Muellerina myrtifolia.
Fire management guidelines SEASON: Summer to winter. INTENSITY: Plan for low to moderate. Unplanned occasional high intensity wildfire will occur. INTERVAL: 4-8 years maintains a healthy grassy system. 8-20 years for shrubby elements of understorey. INTERVAL_MIN: 4. INTERVAL_MAX: 20. STRATEGY: Aim for 40-60% mosaic burn. Needs disturbance to maintain RE structure (eucalypt overstorey with open understorey of predominantly non-rainforest species). ISSUES: This RE is typically grassy or shrubby. It is essential that wildfires are not the sole source of fire in this ecosystem. High intensity fires occur periodically through time, however frequent low to moderate intensity fires will create the disturbance required to keep the understorey diverse. A follow-up burn soon after a high intensity wildfire can be considered to reduce germinating/resprouting mesic species. Presence of a blady grass understorey may indicate poor fire management. Molasses grass may become problematic as it likes the acid soils.
Comments 12.12.20: Most of distribution is contained within state forest.

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