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Regional ecosystem details for 7.3.26

Regional ecosystem 7.3.26
Vegetation Management Act class Of concern
Wetlands Riverine
Biodiversity status Endangered
Subregion 1, 5, 6, 4, 9, 8, 9.4, (9.3), (9.6), (7), (3), (11.1), (3.2)
Estimated extent1 Pre-clearing 5000 ha; Remnant 2021 4000 ha
Short description Casuarina cunninghamiana woodland to open forest on alluvium fringing streams
Structure code Open Forest
Description Casuarina cunninghamiana (river oak) woodland to open forest on alluvium fringing streams. Occurs on channel benches, levees and terraces on deep loamy sands or sandy clay loams (often with loose surface gravel). Riverine. (BVG1M: 16a).

Vegetation communities in this regional ecosystem include:
7.3.26a: Casuarina cunninghamiana, Eucalyptus tereticornis, Lophostemon suaveolens, Melaleuca leucadendra, M. fluviatilis, Buckinghamia celsissima, Mallotus philippensis woodland and forest with an understorey of Melaleuca viminalis and Bursaria tenuifolia. Fringing forests of larger streams. Riverine. (BVG1M: 16a).
7.3.26b: Casuarina cunninghamiana woodland and forest. Fringing forests of larger streams. Riverine. (BVG1M: 16a).
Supplementary description Stanton and Stanton (2005), A130, A163, G130, R130, M130, L130, W130, B130; Kemp et al. (1999), 43
Protected areas Girringun NP, Paluma Range NP, Ngalba-bulal NP (CYPAL), Mount Windsor NP, Dinden West FR, Bare Hill CP, Millstream Falls NP, Mount Lewis NP, Kamerunga CP, Tumoulin NP, Ravenshoe FR 1, Koombooloomba NP, Dinden NP, Danbulla South FR 2, Barron Gorge NP, Kura
Special values 7.3.26: Important wildlife corridors in cleared landscapes.
Fire management guidelines INTERVAL: Fire return interval not relevant. INTERVAL_MIN: 100. INTERVAL_MAX: 100. STRATEGY: Do not burn deliberately. Perimeter burning early in the fire season may limit the extent and intensity of wildfire incursions. Burning may be useful for weed management. ISSUES: Coastal she-oaks and river oaks are sensitive to fire. Fire in the litter layer of these oaks will be of low intensity and patchy. Storm burning may be useful to minimise scorch intensity to fire sensitive Casuarina. No active fire management required, except as part of weed control. Fire could be useful in controlling Singapore daisy, Sphagneticola trilobata, Lantana camara and high biomass grasses.
Comments 7.3.26: Scattered along the drier, northern, southern and western extremes of the bioregion. Severely affected by weed invasion, including species such as Lantana camara and Mesosphaerum suaveolens.

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