Regional ecosystem details for 7.3.47
| Regional ecosystem | 7.3.47 |
|---|---|
| Vegetation Management Act class | Of concern |
| Wetlands | Not a Wetland |
| Biodiversity status | Of concern |
| Subregion | 2, (6) |
| Estimated extent1 | Pre-clearing 100 ha; Remnant 2021 100 ha |
| Short description | Allocasuarina littoralis, Corymbia intermedia and Lophostemon suaveolens open forest on poorly drained alluvium |
| Structure code | Open Forest |
| Description | Allocasuarina littoralis (black sheoak), Corymbia intermedia (pink bloodwood) and Lophostemon suaveolens (swamp mahogany) open forest. Poorly-drained alluvium. Not a Wetland. (BVG1M: 9e). |
| Supplementary description | Stanton and Stanton (2005), A210 |
| Protected areas | Hinchinbrook Island NP |
| Fire management guidelines | SEASON: 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, 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 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: 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 | 7.3.47: Restricted to Hinchinbrook Island. |
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.
