Regional ecosystem details for 7.3.19
| Regional ecosystem | 7.3.19 |
|---|---|
| Vegetation Management Act class | Of concern |
| Wetlands | Not a Wetland |
| Biodiversity status | Of concern |
| Subregion | 1, 2, 6, 5, 9, (3), (4), (8), (7), (9.6) |
| Estimated extent1 | Pre-clearing 6000 ha; Remnant 2021 4000 ha |
| Short description | Corymbia intermedia or C. tessellaris +/- Eucalyptus tereticornis open forest (or vine forest with these species as emergents) on well-drained alluvium |
| Structure code | Open Forest |
| Description | Corymbia intermedia (pink bloodwood) or C. tessellaris (Moreton Bay ash) +/- Eucalyptus tereticornis (forest red gum) open forest (or vine forest with these species as emergents). Well-drained alluvium. Not a Wetland. (BVG1M: 9e). Vegetation communities in this regional ecosystem include: 7.3.19a: Corymbia intermedia, Eucalyptus tereticornis, E. drepanophylla, Allocasuarina torulosa, A. littoralis, Lophostemon suaveolens, woodland with Acacia cincinnata, A. flavescens, Banksia aquilonia and Xanthorrhoea johnsonii. Well-drained alluvium. Not a Wetland. (BVG1M: 9e). 7.3.19b: Corymbia tessellaris and C. intermedia woodland and open forest. Well-drained alluvium. Not a Wetland. (BVG1M: 9e). 7.3.19c: Corymbia tessellaris and C. intermedia woodland and open forest with a very well-developed vine forest understorey. Well-drained alluvium. Not a Wetland. (BVG1M: 9e). 7.3.19d: Corymbia intermedia open forest. Well-drained alluvium. Not a Wetland. (BVG1M: 9e). 7.3.19e: Corymbia intermedia open forest with a very well-developed vine forest understorey. Well-drained alluvium. Not a Wetland. (BVG1M: 9e). 7.3.19f: Eucalyptus moluccana woodland and open forest. Alluvium. Not a Wetland. (BVG1M: 13d). 7.3.19g: Eucalyptus tereticornis, E. drepanophylla, E. portuensis, Corymbia intermedia, C. tessellaris, woodland and open forest with Allocasuarina torulosa and Angophora floribunda. Uplands and highlands on alluvium, of the dry rainfall zone. Not a Wetland. (BVG1M: 9d). 7.3.19h: Corymbia tessellaris +/- Eucalyptus tereticornis, C. intermedia, E. drepanophylla, E. platyphylla and Lophostemon suaveolens layered grassy woodland with Acacia celsa and Cycas media. Lowlands on alluvium, of the wet and moist rainfall zones. Not a Wetland. (BVG1M: 9e). 7.3.19i: Corymbia intermedia, Allocasuarina torulosa and Lophostemon suaveolens woodland and open forest. Uplands on alluvium, of the moist rainfall zone. Not a Wetland. (BVG1M: 9e). 7.3.19j: Themeda triandra and Imperata cylindrica grassland. Alluvium, Palm Islands. Not a Wetland. (BVG1M: 32a). |
| Supplementary description | Stanton and Stanton (2005), A16e in part (Qld Herbarium and WTMA (2005) A250a), A73, A73v, A74, A74v, A16o, A14d, A239, A16a, A134; Kemp and Morgan (1999), 37; Kemp et al. (1999), 39; Tracey and Webb (1975), 19 |
| Protected areas | Hinchinbrook Island NP, Girringun NP, Paluma Range NP, Daintree NP (CYPAL), Ngalba-bulal NP (CYPAL), Dinden West FR, Russell River NP, Djiru NP, Tully Gorge NP, Koombooloomba South FR, Hull River NP, Wooroonooran NP, Halifax Bay Wetlands NP, Moresby Range |
| Special values | 7.3.19: Potential habitat for NCA listed species: Peristylus banfieldii. |
| Fire management guidelines | SEASON: Cool, dry season (June-Sep). b, c, d, e, f, h: 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. f, g: Cool, dry season (April-Sep). j: Early season burns (April-June). Later burns during storm season will reduce shrub invasion. INTENSITY: Low to moderate. b, c, d, e, f, h: Low, with occasional moderate or high intensity to manage thickening and/or stimulate germination. j: Low, with occasional moderate. INTERVAL: 2-5 years. j: 2-3 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. b, c, d, e, f, h: 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. j: Mosaic burn at a range of frequencies to create mosaic of post-fire responses. 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. b, c, d, e, f, h: 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). j: Absence of fire can lead to a transition to shrubland. Moderate intensity fire will reduce this change and assist with weeds. |
| Comments | 7.3.19: Widespread across the bioregion. Introduced weed species, notably Mesosphaerum suaveolens and *Passiflora suberosa, *P. pallida, are common and may result from heavy grazing pressure. 7.3.19c: Well-developed vine forest understorey is probably a condition state caused by infrequent burning. 7.3.19e: Well-developed vine forest understorey is probably a condition state caused by infrequent burning. |
1 Estimated extent is from version 13 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.
