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Regional ecosystem details for 11.8.3

Regional ecosystem 11.8.3
Vegetation Management Act class Of concern
Wetlands Not a Wetland
Biodiversity status Of concern
Subregion 31, 10, 15, 26, 6, 23, (24), (9), (19), (22), (2), (21), (12), (32), (18), (20), (12.6), (13), (5), (11), (25), (27), (12.1)
Estimated extent1 Pre-clearing 81000 ha; Remnant 2021 25000 ha
Short description Semi-evergreen vine thicket on Cainozoic igneous rocks
Structure code Closed Forest
Description Semi-evergreen vine thicket which may have emergent Acacia harpophylla, Casuarina cristata and Eucalyptus spp. Occurs on Cainozoic igneous rocks. Generally restricted to steeper, rocky hillsides. Not a Wetland. (BVG1M: 7a).
Supplementary description Fensham: (1995); Fensham and Fairfax (1997); Fensham and Streimann (1997); Neldner (1984), 1; Speck et al. (1968), Lawgi, Grevillea; Story et al. (1967), Britton; Vandersee (1975), Westbrook; Galloway et al. (1974), LU9;
Protected areas Bunya Mountains NP, Peak Range NP, Carnarvon NP, Mount Leura CP, Mount Dumaresq CP, Minerva Hills NP, Homevale NP, Main Range NP
Special values 11.8.3: Habitat for threatened plant species Croton magneticus.
Fire management guidelines INTERVAL: Fire return interval not relevant. INTERVAL_MIN: 100. INTERVAL_MAX: 100. STRATEGY: This vegetation requires protection from wildfire. Protection primarily relies on broad-scale management of surrounding country with numerous small fires throughout the year so that wildfires will be very limited in extent. Maintenance of fire breaks may be appropriate on flat country, but natural features will be useful as breaks in 'wild' country. ISSUES: Fuel reduction in the surrounding vegetation under low fire danger conditions and/or revegetation of cleared areas reduce the risk of damaging wildfires. Maintain or re-establish native vegetation communities adjacent to this ecosystem. Grazing may be useful in managing fuel loads created by introduced grasses such as buffel.
Comments 11.8.3: Areas in subregion 31 are contiguous with similar vegetation in the South East Queensland bioregion. Areas across the bioregion. Many remaining areas in coastal parts of the region have been invaded by the exotic Lantana camara and pasture grasses. These exotic weed species provide increased fuel loads which leads to increased wildfire and associated damage to the tree layer. Semi-evergreen vine thicket may invade adjacent regional ecosystems, particularly brigalow-belah in the absence of fire.

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