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Regional ecosystem details for 11.3.39

Regional ecosystem 11.3.39
Vegetation Management Act class Least concern
Wetlands Not a Wetland
Biodiversity status No concern at present
Subregion 24, 20, 26, (15), (23), (25), (27), (21), (13)
Estimated extent1 Pre-clearing 189000 ha; Remnant 2021 139000 ha
Short description Eucalyptus melanophloia +/- E. chloroclada open woodland on undulating plains and valleys with sandy soils
Structure code Woodland
Description Eucalyptus melanophloia and/or E. chloroclada woodland to open woodland. Other tree species may also occur, including Angophora floribunda, Callitris glaucophylla, E. populnea, E. populnea x E. crebra hybrids and (towards drainage lines) E. tereticornis. Shrub layers are not usually present in this association. The ground layer is dominated by perennial grasses, and is moderately dense to dense. Occurs on flat to undulating wide valley floors on alluvial or colluvial material derived from surrounding dissected sandstone ranges, generally with deep, loamy or sandy, duplex soils. Not a Wetland. (BVG1M: 17b).
Supplementary description Neldner (1984), 18b (Association 70); Galloway et al. (1974), LU 5; Speck et al. (1968), Carborough
Protected areas Carnarvon NP, Expedition (Limited Depth) NP, Expedition NP, Chesterton Range NP, Lake Murphy CP
Special values 11.3.39: Potential habitat for NCA listed species: Corymbia scabrida.
Fire management guidelines SEASON: Late wet to early dry season when there is good soil moisture. Early storm season or after good spring rains. INTENSITY: Low to moderate. INTERVAL: 6-10 years. INTERVAL_MIN: 6. INTERVAL_MAX: 10. STRATEGY: Restrict to less than 30% in any year. Burn under conditions of good soil moisture and when plants are actively growing. Sometimes a small amount of wind may move the fire front quickly so that burn intensity is not too severe to destroy habitat trees. ISSUES: Burn interval for conservation purposes will differ from that for grazing purposes; the latter being much shorter. Management of this vegetation type should be based on maintaining vegetation composition, structural diversity, fauna habitats (in particular hollow-bearing trees and logs) and preventing extensive wildfire. Maintaining a fire mosaic will help ensure protection of habitat and mitigate against wildfires. Fire can control shrub invasives (e.g., Eremophila spp. and A. stenophylla in the red soil country in particular). Fire will also control cypress. Low to moderate intensity burns with good soil moisture are necessary to minimise loss of hollow trees. Avoid burning riparian communities as these can be critical habitat for some species. Culturally significant (scar) trees may need protection, such as rake removal of ground fuels. Planned burns have traditionally been carried out in the winter dry season; further research required.
Comments 11.3.39: This regional ecosystem was described by Sattler and Williams (1999) under land zone 10 (11.10.10) and occupies valleys and adjacent colluvial lower slopes between sandstone ranges (land zone 10) and drainage lines (land zone 3). Often occurs in association with Angophora leiocarpa woodland (11.10.6). Has been thinned in many areas.

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