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Regional ecosystem details for 9.3.12

Regional ecosystem 9.3.12
Vegetation Management Act class Least concern
Wetlands Riverine
Biodiversity status Of concern
Subregion 2, 4, 1, 3, (5), (2.9), (6), (2.6), (3.1), (2.5), (2.4), (11.1), (11.3), (11.5), (11.4), (7.5), (7.9), (10.3)
Estimated extent1 Pre-clearing 67000 ha; Remnant 2021 66000 ha
Short description River beds and associated waterholes on major rivers and channels
Structure code Bare
Description Sandy or rocky river beds sometimes with waterholes and lagoons. Occurs along major rivers and channels. Riverine. (BVG1M: 16d).

Vegetation communities in this regional ecosystem include:
9.3.12a: Sandy river beds sometimes with patches of ephemeral grassland, herbland or sedgeland, which can include Heteropogon contortus (black speargrass), Bothriochloa spp., and Ammannia multiflora. There can be clumps of shrubs (or isolated emergents), which can include Lophostemon grandiflorus, Melaleuca spp., Eucalyptus camaldulensis (river red gum) and Casuarina cunninghamiana (river sheoak). Sandy river beds. Riverine. (BVG1M: 16d).
9.3.12b: Waterholes and lagoons in the bed of larger rivers containing aquatic vegetation. Waterholes and lagoons in the bed of larger rivers. Riverine. (BVG1M: 16d).
Protected areas Bulleringa NP, Rungulla NP, Canyon RR, Palmer Goldfield RR, Mount Windsor NP, Littleton NP, Paluma Range NP, Dalrymple NP, Chillagoe-Mungana Caves NP, White Mountains NP, Mount Lewis NP, Rungulla RR, Porcupine Gorge NP
Special values 9.3.12: Significant habitat as drought refuge, wildlife corridors and for arboreal animals.
Fire management guidelines INTERVAL: Fire return interval not relevant. INTERVAL_MIN: 100. INTERVAL_MAX: 100. ISSUES: Contain fire sensitive species such as river she-oak Casuarina glauca, Melaleuca leucadendra and M. argentea as well as habitat trees.
Comments 9.3.12: Generally mapped in a mosaic with fringing woodland regional ecosystems. Occurs on major rivers through-out the bioregion. 9.3.12a: Occurs in major rivers through-out the bioregion. 9.3.12b: Occurs on major rivers through-out the bioregion.

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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The Queensland Herbarium REDD lookup tool searches for information on regional ecosystems for a range of planning and management applications. If you're looking for vegetation management information you can use the vegetation management regional ecosystems description database (VM REDD)

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