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 117 Drainage Systems Land Unit: 8l5V Lithology: Alluvium Sites: 9 Area: 1 km2 Landform General Description Levees, terraces and backplains (frequently scalded); tussock grassland; deep red soils Slopes: 0 - 1% Parent Material: Alluvium Surface Gravel: < 10% Rock Outcrop: 0% Drainage: Imperfectly drained Runoff: Moderately rapid Soil Most Common Soil: Red and Brown Dermosols Common Soil Characteristics Surface texture class: Clayey Subsoil texture class: Clayey Soil colour: Red Surface soil gravels: Nil Subsoils gravels: Nil Soil depth: > 1.0 m Field surface pH: 7.5 - 8.5 Field subsoil pH: 8.5 - 9.5 Other soils described: Red and Black Vertosols, Brown Kandosols Vegetation Common vegetation community: of sites Pasture rating Mixed spp. low open tussock grassland 5 Moderate Other communities: Eucalyptus pruinosa low open woodland (1), Eucalyptus tectifica mid open woodland (1), Mixed spp. low grassland (1) Stratum Frequency of dominant species Frequency of other common species Upper stratum - Eucalyptus pruinosa (44%), Bauhinia cunninghamii (33%), Excoecaria parvifolia, Corymbia bella (22%), Eucalyptus tectifica, Grevillea striata, Adansonia gregorii (11%) Mid stratum - Carissa lanceolata (66%), Bauhinia cunninghamii (33%), Vachellia farnesiana, Corymbia bella (22%), Atalaya hemiglauca, Terminalia platyphylla (11%) Ground stratum Xerochloa imberbis, Brachyachne convergens (44%), Sporobolus sp. (33%), Sehima nervosum, Themeda triandra, Dactyloctenium radulans (22%) Heteropogon contortus, Chrysopogon fallax (22%), Eriachne obtusa, Eriachne sulcata, Eragrostis setifolia (11%) Land Evaluation Imperfectly drained Deep soils Minimal slopes No rock outcrop Very high erosion risk: Soils are likely to have very high levels of fine sand and silt. Highly sodic subsoils are likely. Saline soils below 0.50 cm are likely. Moderate grazing pressure and stock concentrations. Surface water flow from the surrounding landscape. Scalding is common and careful land management especially along tracks, fence lines and water points is essential. Where disturbance is unavoidable erosion and sediment control planning will be required.
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