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Regional ecosystem details for 10.7.2

Regional ecosystem 10.7.2
Vegetation Management Act class Least concern
Wetlands Not a Wetland
Biodiversity status No concern at present
Extent in reserves Refer to vegetation communities for new mapping.
Short description Eucalyptus persistens or Corymbia dallachiana low open woodland or Triodia pungens hummock grassland on ferricrete above scarps
Structure code Low Open Woodland
Description [RE not in use]²: Refer to vegetation communities for new mapping. Eucalyptus persistens or Corymbia dallachiana or E. socialis subsp. Eucentrica low open woodland of usually with open hummock grassland understorey of Triodia spp. Or open grassland of Triodia pungens and/or Eriachne mucronata or Amphipogon caricinus. Occurs on gently sloping terrain with shallow to skeletal soils usually near margins of lateritised plateaus above scarps. Not a Wetland. (BVG1M: 19d).

Vegetation communities in this regional ecosystem include:
10.7.2a: [RE not in use]²: This vegetation community is now mapped as 10.7.4a. Eucalyptus persistens dominates the very sparse tree layer. Melaleuca tamariscina is occasionally present as scattered small trees. Triodia pungens usually dominates the very sparse to sparse ground layer. Occurs on ferricrete above scarps. Not a Wetland. (BVG1M: 19d).
10.7.2b: [RE not in use]²: This vegetation community is now mapped as 10.7.13x1. Triodia pungens and/or Eriachne mucronata or Eriachne ciliata dominate the very sparse to sparse ground layer. Corymbia dallachiana or sometimes C. lamprophylla or Eucalyptus whitei occasionally occur as emergent trees and Acacia tenuissima, A. laccata, and A. cowleana are the most commonly occurring emergent shrubs. Triodia pungens with or without Eriachne mucronata or Amphipogon sericeus dominate the sparse ground layer. Occurs on ferricrete above scarps. Not a Wetland. (BVG1M: 33b).
10.7.2c: [RE not in use]²: This vegetation community is now mapped as 10.7.1b. Corymbia dallachiana dominates the very sparse canopy. Acacia sericophylla is occasionally present as scattered trees. Triodia pungens usually dominates the very sparse to mid-dense ground layer. Occurs on ferricrete above scarps. Not a Wetland. (BVG1M: 12a).
10.7.2d: [RE not in use]²: This vegetation community is now mapped as 10.7.4a. Eucalyptus persistens dominates the very sparse canopy. Eremophila mitchellii usually occurs as scattered small trees. Carissa lanceolata dominates very sparse shrub layer. Chrysopogon fallax frequently dominates the very sparse to sparse ground layer. Occurs on laterite. Not a Wetland. (BVG1M: 19d).
10.7.2e: [RE not in use]²: This vegetation community is now mapped as 10.7.4b. Eucalyptus socialis subsp. Eucentrica dominates the sparse canopy. E. persistens is occasionally present in the canopy. Acacia decora, Eremophila deserti, and Dodonaea lanceolata are present as scattered shrubs. Triodia longiceps dominates the sparse ground layer. Occurs near margins of lateritised tertiary plateaus. Not a Wetland. (BVG1M: 19d).
Supplementary description Bean (1992), Ep; Lorimer (1998), Ms5; Thompson and Turpin (in prep), E22a, C2a, E22, E26, G12; Turner et al. (1993), E2
Special values 10.7.2: Polygala longifolia occurs at its most southerly known location in this ecosystem. 10.7.2e: Eucalyptus socialis subsp. eucentrica most easterly outlier population occurs in this ecosystem. The subspecies is a common species in central Australia, some hundreds of kilometres to the west, occurring in Northern Territory, South Australia and Western Australia.
Fire management guidelines SEASON: Wet to mid-dry season while soil retains moisture. INTENSITY: Low to occasional moderate. INTERVAL: Interval will depend on need for burning, seasonal conditions and grazing pressure. Approximately 5-10 years. Do not burn during drought years. Concentrate burning during wet years. INTERVAL_MIN: 5. INTERVAL_MAX: 10. STRATEGY: Due to the typically sparse nature of the spinifex in these ecosystems, there is rarely enough fuel load to burn. Patchy burns are preferred. Mosaic 50-80% of area targeted. Burn under conditions of good soil moisture and when plants are actively growing. Burns during dry periods may leave areas of soil exposed, leading to erosion. ISSUES: Spinifex responds to low intensity burning following the first summer rains. De-stock burnt spinifex areas for many months in good seasons or several growing seasons in a run of dry years.
Comments 10.7.2: The soils are shallow with low water holding capacity and low fertility. The topsoils are susceptible to compaction and sheet erosion. Plant growth is seasonal and pasture productivity is low. There are few palatable species and their cover is very sparse. Potential threats to this ecosystem are mainly from inappropriate fire regimes. 10.7.2a: Widespread and common ecosystem in eastern parts of the Desert Uplands. 10.7.2d: 10.7.2d has tussock grasses dominant in the ground layer whereas map unit 10.7.2a has Triodia pungens dominant. 10.7.2e: Very rare vegetation community.

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.

2 Superseded: Revision of the regional ecosystem classification removed this regional ecosystem code from use. It is included in the regional ecosystem description database because the RE code may appear in older versions of RE mapping and the Vegetation Management regulation.

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Licence
Creative Commons Attribution 4.0 International (CC BY 4.0)
Last updated
14 May 2024