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Regional ecosystem details for 11.3.30

Regional ecosystem 11.3.30
Vegetation Management Act class Least concern
Wetlands Not a Wetland
Biodiversity status No concern at present
Subregion 1, 2, 6, (8.6), (5), (7.1), (9.4), (3)
Estimated extent1 Pre-clearing 105000 ha; Remnant 2021 69000 ha
Short description Eucalyptus crebra, Corymbia dallachiana woodland on alluvial plains
Structure code Woodland
Description Eucalyptus crebra or E. paedoglauca and Corymbia dallachiana woodland. Forms an open woodland to open forest in places. Has a grassy ground layer of Heteropogon contortus, Bothriochloa bladhii, Themeda triandra, Sehima nervosum, Enneapogon spp., with forbs such as Indigofera spp., Glycine tabacina, Galactia tenuiflora and Tephrosia juncea common. Occurs on older floodplain complexes on Cainozoic alluvial plains. Not a Wetland. (BVG1M: 18b).

Vegetation communities in this regional ecosystem include:
11.3.30a: Eucalyptus paedoglauca woodland. Occurs on older floodplain complexes on Cainozoic alluvial plains. Not a Wetland. (BVG1M: 18a).
11.3.30b: Eucalyptus drepanophylla/paedoglauca +/- C. dallachiana +/- E. platyphylla woodland. Occurs on older floodplain complexes on Cainozoic alluvial plains. Not a Wetland. (BVG1M: 18a).
11.3.30d: E. drepanophylla/paedoglauca +/- C. dallachiana +/- E. platyphylla woodland. Occurs on older floodplain complexes on Cainozoic alluvial plains. Not a Wetland. (BVG1M: 18b).
Supplementary description Christian et al. (1953), Bowen, Northcote, Rocky Ponds, Mookara
Protected areas Pinnacles NP, Mount Abbot NP (S), Bowling Green Bay NP, Cape Upstart NP
Special values 11.3.30: Potential habitat for NCA listed species: Eucalyptus paedoglauca.
Fire management guidelines SEASON: Early dry season when there is good soil moisture, with some later fires in the early storm season or after good spring rains. INTENSITY: Primarily low to moderate, with occasional high intensity fires. INTERVAL: Typically 2 - 7 years, with some areas longer unburnt. INTERVAL_MIN: 2. INTERVAL_MAX: 7. STRATEGY: A predominance of early dry season fires is recommended, although there is value in occasional late dry season fires, or storm burns, over small areas. Burning should begin very soon after the wet season, to secure boundaries and adjacent fire-sensitive vegetation. Subsequent repeat ignitions can be used within the same section of land weeks or months after the boundaries have been secured by early burning, to produce a mixture of burnt areas with multiple ignition dates. Use topographical features to ignite areas as soon as they dry out. This will create a mosaic of areas that were burnt at different dates and unburnt sections within the same area of woodland. Burn away from riparian communities, which can be critical habitat for some species. Approximately 25% of the grassy woodlands within a landscape should receive patchy fires in most years. ISSUES: These woodlands have a diverse native grass and herb layer that is maintained and promoted by regular fire. Burning that starts immediately after the wet season, with follow up small fires ignited progressively over multiple dates can increase the availability of grass and herb seed, which is a critical food source for many birds and small mammals. Recently burnt grass clumps tend to produce more seed than unburnt clumps and the earlier burnt grass usually seeds earlier than later burnt grass. Maintaining a fire mosaic will help ensure protection of habitat and mitigate against wildfires. Low to moderate intensity burns with good soil moisture minimise the risk of losing hollow trees. An occasional late season burn will promote grasses and legumes. Ensure a diverse grass layer; maintain hollow-bearing trees and vegetation structure.

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