Land Resources of Auvergne Station
A supplement to the Land Resources of the Victoria River District
Napier, Diane; Edmeades, Bart; Lynch, Brian; McGregor, Robert; Northern Territory. Department of Environment and Natural Resources
E-Publications; E-Books; PublicationNT; Jul-18
Auvergne Station; NT Portion 2676; Victoria River Downs; Victoria River District
This report for Auvergne Station is a supplement to Land Resources of the Victoria River District (2012) and completes the land resource assessment of the district which covers 24 properties and approximately 78 760 km² of pastoral land. Land unit mapping at 1:100 000 describes the landforms, soils and vegetation in the district.
Made available via the Publications (Legal Deposit) Act 2004 (NT)
Table of contents; 1. Introduction; 2. Previous mapping; 3. Survey methodology and data collection; 4. Lithology; 5. Landform; 6. Soil; 7. Soil physical and chemical characteristics; 8. Vegetation; 9. Land evaluation; 10. Soil erosion; 11. Land unit descriptions; 12. References; Appendices 1 - 12.
Soils -- Northern Territory -- Auvergne Station; Land use -- Northern Territory -- Auvergne Station; Geology -- Northern Territory -- Auvergne Station; land resource assessment; land units; soil landscapes; vegetation communities
Northern Territory Government
204 pages ; colour photographs, maps, figures, tables ; 30 cm.
Attribution International 4.0 (CC BY 4.0)
Northern Territory Government
http://www.ntlis.nt.gov.au/metadata/export_data?type=html&metadata_id=E3F20A909A8123ADE040CD9B21446CC0; http://hdl.handle.net/10070/245323 [Land resources of the Victoria River District]
Land Resources of Auvergne Station A supplement to the Land Resources of the Victoria River District 96 Rises Land Unit: 5h5V Lithology: Siltstone Sites: 3 Area: 1.4 km2 Landform General Description Undulating siltstone rises; abundant loose gravel and rock; spinifex grassland; shallow soils Slopes: 3 - 10% Parent Material: Siltstone Surface Gravel: Variable Rock Outcrop: 0% Drainage: Well drained Runoff: Very rapid Soil Most Common Soil: Leptic Rudosols Common Soil Characteristics Surface texture class: Loamy Subsoil texture class: - Soil colour: Red Surface soil gravels: < 5% Subsoils gravels: - Soil depth: 0.25 - 0.5 m Field surface pH: 6.5 - 7.5 Field subsoil pH: - Other soils described: Shallow Red Kandosols and Dermosols Vegetation Common vegetation community: of sites Pasture rating Triodia pungens low open hummock grassland 2 Poor Other communities: Corymbia terminalis low open woodland Stratum Frequency of dominant species Frequency of other common species Upper stratum Corymbia terminalis 100%, Gyrocarpus americanus 67%, Eucalyptus tectifica 33% Mid stratum Acacia leptophleba, Corymbia terminalis, Carissa lanceolata 33% Ground stratum Triodia pungens 67%, Sehima nervosum 33% Enneapogon purpurascens 100%, Ptilotus exaltatus 67%, Aristida holathera, Heliotropium sp., annual Sorghum sp. 33% Land Evaluation Well drained Shallow soils Substantial to excessive slopes No rock outcrop Very high erosion risk: Soils have moderate levels of fine sand and silt. Sodic subsoil is likely. Substantial and excessive slopes. High surface water flow from neighbouring plateaux. Siltstone soils are a very high erosion risk. Any disturbance will require erosion and sediment control planning.
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