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Regional ecosystem details for 7.12.53

Regional ecosystem 7.12.53
Vegetation Management Act class Least concern
Wetlands Not a Wetland
Biodiversity status No concern at present
Subregion 5, 1, 9, 6, (7), (4), (3.2), (8), (2), (3), (9.4), (11.1), (9.3), (9.6)
Estimated extent1 Pre-clearing 21000 ha; Remnant 2021 20000 ha
Short description Corymbia clarksoniana +/- C. tessellaris +/- Eucalyptus drepanophylla +/- C. intermedia open forest to woodland, or E. drepanophylla woodland, of moist to dry lowlands, foothills and uplands on granite and rhyolite
Structure code Open Forest
Description Corymbia clarksoniana (Clarkson's bloodwood) +/- C. tessellaris (Moreton Bay ash), +/- Eucalyptus drepanophylla (ironbark) +/- C. intermedia (pink bloodwood) open forest to woodland, or E. drepanophylla woodland. Lowlands, foothills and uplands on granite and rhyolite, of the dry to moist rainfall zone. Not a Wetland. (BVG1M: 9c).

Vegetation communities in this regional ecosystem include:
7.12.53a: Corymbia clarksoniana woodland to open forest. Lowlands, foothills and uplands on granite and rhyolite, of the dry to moist rainfall zone. Not a Wetland. (BVG1M: 9c).
7.12.53b: Corymbia clarksoniana, C. tessellaris, +/- Eucalyptus drepanophylla, E. tereticornis, E. platyphylla, Lophostemon suaveolens and C. dallachiana woodland and open forest. Coastal lowlands and foothills. Granite and rhyolite. Not a Wetland. (BVG1M: 9c).
7.12.53c: Eucalyptus drepanophylla, Corymbia clarksoniana, +/- E. platyphylla, C. tessellaris and C. dallachiana woodland. Coastal lowlands and foothills on granite and rhyolite. Not a Wetland. (BVG1M: 9c).
7.12.53d: Eucalyptus drepanophylla, Corymbia intermedia, C. clarksoniana, and Acacia polystachya woodland and open woodland. Granite slopes of islands (Palm Island Group). Not a Wetland. (BVG1M: 9c).
7.12.53e: Eucalyptus drepanophylla open woodland. Foothills and uplands, of the moist to dry rainfall zone. Granite and rhyolite. Not a Wetland. (BVG1M: 13c).
7.12.53f: Eucalyptus granitica and Corymbia clarksoniana woodland. Western edge of the bioregion. Granite slopes. Not a Wetland. (BVG1M: 13c).
7.12.53g: Corymbia clarksoniana woodland. Slopes of islands (Palm Island). Not a Wetland. (BVG1M: 9c).
Supplementary description Stanton and Stanton (2005), G144, CG144, R144, G164, R164, R250b, G250b, G226, G180, G150, R150, G48, CG250b; Tracey and Webb (1975), 16e.
Protected areas Girringun NP, Paluma Range NP, Mount Windsor NP, Orpheus Island NP, Dinden NP, Girramay NP, Danbulla NP, Ngalba-bulal NP (CYPAL), Baldy Mountain FR, Mount Cook NP, Macalister Range NP, Little Mulgrave NP, Hinchinbrook Island NP, Kuranda NP, Wooroonooran N
Special values 7.12.53: Potential habitat for NCA listed species: Crepidium lawleri, Diuris oporina.
Fire management guidelines SEASON: Cool, dry season (June-Sep). e,f: Cool, dry season (April-Sep). g: Begin burning after the wet season (April-May), but avoid hot, dry season unless a high intensity fire is required to manage thickening, then undertake storm burn. INTENSITY: Low to moderate. g: Low, with occasional moderate or high intensity to manage thickening and/or stimulate germination. INTERVAL: 2-5 years. INTERVAL_MIN: 2. INTERVAL_MAX: 5. STRATEGY: Mosaic burn < 30%. Begin burning early in the fire season, with progressive patch fires burnt through the year. Stop burning when the network of fires and other breaks is sufficient to impede fire spread later in the year. Storm-burning may be used to add further diversity to the fire mosaic. g: Mosaic burn 25-60%. Begin burning early in the fire season, with progressive patch fires burnt through the year. Stop burning when the network of fires and other breaks is sufficient to impede fire spread later in the year. Storm-burning may be used to add further diversity to fire mosaic, promote perennial grasses and arrest woody thickening. ISSUES: Ignition is most likely during hot, dry season (Oct - Jan). These fires are typically high intensity fires that can be difficult to control. Maintaining a fire mosaic will ensure protection of animal habitats and mitigate against wildfires. e,f: An occasional moderate severity fire may be used to manage overabundant recruitment of trees. Maintaining a fire mosaic will ensure protection of animal habitats and mitigate against wildfires. g: In the absence of fire an abundance of rainforest pioneers (e.g., Melastoma spp., Chionanthus ramiflora, Mallotus philippensis, Alyxia spicata and Glochidion spp.) and bracken fern can establish. This development can be rapid (within about 15 years) after which system change is difficult to reverse. Thickening with rainforest species can be detrimental to habitat trees and endangered species. Where fire is more common the understorey is usually dominated by tall grasses (e.g., Themeda triandra and Eriachne pallescens), herbaceous plants, lilies and sedges (e.g., Tricoryne anceps, Gonocarpus acanthocarpus, Lomandra longifolia, Dianella caerulea).
Comments 7.12.53: Distinguished from 7.12.23 by the dominance of Corymbia clarksoniana instead of C. intermedia (usually lower altitude and/or drier zones than 7.12.23). In some areas, vine forest invasion is a threat. Extends the full range of the bioregion but predominantly occurs at the drier northern, western and southern extremes.

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