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 77 Sideslopes Land Unit: 2gV Lithology: Sandstone Sites: 4 Area: 92 km2 Landform General Description Steep sandstone scarps; Eucalyptus tectifica low open woodland; very shallow soils Slopes: 20 - 30% Parent Material: Sandstone Surface Gravel: > 50% Rock Outcrop: 10 - 60% Drainage: Well drained Runoff: Rapid Soil Most Common Soil: Leptic Rudosols Common Soil Characteristics Surface texture class: Sandy Subsoil texture class: - Soil colour: Brown Surface soil gravels: 20 - 50% Subsoils gravels: - Soil depth: < 0.25 m Field surface pH: 6.5 - 7.5 Field subsoil pH: - Other soils described: Vegetation Common vegetation community: of sites Pasture rating Eucalyptus tectifica low open woodland 2 Poor Other communities: Mixed species low open woodland, Terminalia canescens low open woodland Stratum Frequency of dominant species Frequency of other common species Upper stratum Eucalyptus tectifica 50%, Terminalia canescens, Bauhinia cunninghamii, Corymbia terminalis 25% Eucalyptus greeniana, Owenia vernicosa 50%, Erythrophleum chlorostachys, Hakea arborescens 25% Mid stratum Terminalia canescens 75% Cochlospermum fraseri, Wrightia saligna, Erythrophleum chlorostachys, Dolichandrone heterophylla 25% Ground stratum Sorghum stipoideum 100% Eriachne obtusa, Sehima nervosum, Indigofera linifolia, Cajanus latisepalus, Corchorus sidoides, Triodia bitextura 25% Land Evaluation Well drained Very shallow soils Excessive slopes Abundant rock outcrop Sensitive habitat High erosion risk: Excessive slopes and rapid surface water flow. Abundant surface rock (rock armour) and low grazing pressure minimise the erosion risk. If disturbance is unavoidable then detailed erosion and sediment control planning is essential. Rugged sandstone habitats may contain plant assemblages and species that are fire sensitive. Small semi-deciduous/deciduous rainforest pockets and vine thickets can occur on rugged dissected margins, steep skeletal slopes, crevices and rocky screes.
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