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Regional ecosystem details for 3.12.4

Regional ecosystem 3.12.4
Vegetation Management Act class Of concern
Biodiversity status Of concern
Subregion 3, (4)
Estimated extent1 Pre-clearing 7000 ha; Remnant 2017 7000 ha
Extent in reserves Low
Short description Notophyll vine forest of Welchiodendron longivalve and Acacia polystachya on low hills and rises on igneous hills
Structure category Dense
Description Notophyll vine forest of Welchiodendron longivalve (yellow box-penda) and Acacia polystachya. In gullies within this community a variant, where these species are not dominant, often occurs. Occurs on low hills and rises on igneous hills. (BVG1M: 2c)

Vegetation communities in this regional ecosystem include:
3.12.4a: Welchiodendron longivalve (yellow box-penda) and Acacia polystachya dominate the dense uneven canopy (16-22m tall). Buchanania arborescens (native mango) (dominant at site 931), Canarium australianum (scrub turpentine), Cryptocarya triplinervis var. riparia and Ganophyllum falcatum are frequent canopy trees. Occasional Bombax ceiba and Canarium australianum may be present as deciduous emergents. A mixed, dense sub-canopy layer (8-15m tall) is usually present. Pleomele angustifolia may occur at high densities in this layer. A sparse variable shrub layer (0.5-2.5m tall) is usually present with Breynia cernua, Claoxylon tenerifolium, Clerodendrum floribundum, Dimorphocalyx australiensis, Diospyros compacta, Drypetes deplanchei and Halfordia kendack and Abrus precatorius frequently occurring. The ground layer is very sparse and variable in composition. Scleria spp., Curcuma australasica and Oplismenus mollis are characteristically found in this layer. Occurs on low igneous hills and rises. (BVG1M: 2c)
3.12.4b: Evergreen mesophyll/notophyll vine forest (18-25m) with Endiandra glauca, Acacia polystachya, Syzygium bungadinnia, Canarium australianum (scrub turpentine) and Dysoxylum oppositifolium. A sub-canopy (10-15m) contains canopy species as well as Chionanthus ramiflorus, Arytera bifoliolata and Cryptocarya exfoliata. The rock talus is sparsely covered with scattered epiphytes including Drynaria quercifolia. Occurs in sheltered gullies on igneous slopes. (BVG1M: 2c)
Supplementary description Neldner and Clarkson (in prep), 22; Stanton, Fell & Gooding (2008), G4a, G4b, G4c, GD4a, MG4a, R4a, R4b. Stanton & Fell (2005) 72
Protected areas Round Island CP, Possession Island NP
Special values High diversity of vascular plants, many with restricted distributions. Structure varies with exposure. 3.12.4a: High diversity of vascular plants, many with restricted distributions. Structure varies with exposure.
Fire management guidelines STRATEGY: No deliberate fire management required within this unit. Undertake fuel reduction burns in surrounding vegetation utilising multiple small fires throughout the appropriate season to manage biodiversity values and to limit the extent and reduce risks of wildfire. ISSUES: Fire sensitive vegetation type.
Comments 3.12.4: RE 3.12.20 (part) was amalgamated in to this RE. Torres Strait islands. 3.12.4a: Torres Strait islands, including Badu and Moa. May also occur on metamorphic slopes around Mt. Tozer 3.12.4b: Most abundant on Mabuiag Island, with scattered occurrences on Gebar and Warral Islands, Torres Strait.

1 Estimated extent is from version 11 pre-clearing and 2017 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.

Licence
Creative Commons Attribution 4.0 International (CC BY 4.0)
Last updated
16 April 2019
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