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 97 Plains Land Unit: 6c4A Lithology: Colluvium Sites: 7 Area: 39 km2 Landform General Description Level to gently undulating colluvial plains; Corymbia polycarpa, Corymbia confertiflora low open woodland; very deep sandy soils Slopes: < 2% Parent Material: Colluvium Surface Gravel: 0% Rock Outcrop: 0% Drainage: Well drained Runoff: Slow Soil Most Common Soil: Red-Orthic Tenosols of sites: 3 Common Soil Characteristics Surface texture class: Sandy Subsoil texture class: Sandy Soil colour: Red Surface soil gravels: 0% Subsoils gravels: 0% Soil depth: 1.5 - 5 m Field surface pH: 5.5 - 6.5 Field subsoil pH: 5.5 - 6.5 Other soils described: Red Kandosols, non-gravelly, loamy, very deep; Tenosols Vegetation Common vegetation community: of sites Pasture rating Av crown cover % Av height (m) Corymbia polycarpa, Corymbia confertiflora, +/- Acacia difficilis, Bauhinia cunninghamii low open woodland 5 Poor 12 9 Aristida hygrometrica, Triodia bitextura low grassland with isolated/scattered Owenia vernicosa and Acacia difficilis trees 2 Poor 65 9 Other communities: Sites includes those collected for 5c5, these communities exist in both units Stratum Frequency of dominant species Frequency of other common species Upper stratum Corymbia polycarpa, Corymbia confertiflora 100%, Acacia difficilis 60%, Bauhinia cunninghamii, Terminalia platyptera 20% Eucalyptus pruinosa 40%, Brachychiton diversifolius Melaleuca nervosa 20% Mid stratum Acacia difficilis, Petalostigma pubescens 40% Bauhinia cunninghamii, Melaleuca nervosa, Acacia platycarpa, Hakea arborescens Terminalia platyptera 20% Ground stratum Aristida hygrometrica 80%, Chrysopogon fallax, Aristida holathera, Sorghum stipoideum, Corchorus sidoides 60%, Triodia bitextura 40% Rhynchosia minima 60% Eriachne obtusa, Microstachys chamaelea 40% Eriachne avenacea, Crotalaria crispata 20% Land Evaluation Well drained Very deep soils Gentle slopes No rock outcrop High erosion risk: Soils have very high levels of fine sand. Sodic subsoil is likely in some areas. Surface water flow from the surrounding landscape. Moderate grazing pressure. Any disturbance will require erosion and sediment control planning.