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 114 Drainage Systems Land Unit: 8l2V Lithology: Alluvium Sites: 10 Area: 1 km2 Landform General Description Relict river levees, terraces and associated backplains; tussock grassland; moderately deep red soils Slopes: 0 - 2% Parent Material: Alluvium Surface Gravel: 0% Rock Outcrop: 0% Drainage: Moderately well drained Runoff: Moderately rapid Soil Most Common Soil: Variable (Red and Brown Kandosols and Dermosols) Common Soil Characteristics Surface texture class: Clay loamy Subsoil texture class: Clayey Soil colour: Red Surface soil gravels: 0% Subsoils gravels: 0% Soil depth: 0.5 - 1.0 m Field surface pH: 7.5 - 8.5 Field subsoil pH: 8.0 - 9.5 Other soils described: Calcarosols and Red Vertosols Vegetation Common vegetation community: of sites Pasture rating Mixed spp. low tussock grassland 7 High Mixed spp. low closed tussock grassland 2 High Other communities: Acacia lysiphloia mid sparse shrubland (1) Stratum Frequency of dominant species Frequency of other common species Upper stratum Corymbia terminalis 50%, Bauhinia cunninghamii 40%, Excoecaria parvifolia, Eucalyptus pruinosa, Terminalia arostrata 10% Mid stratum Carissa lanceolata 40%, Bauhinia cunninghamii 30%, Acacia lysiphloia 20%, Atalaya hemiglauca, Vachellia farnesiana, Acacia holosericea 10% Ground stratum Brachyachne convergens 80%, Aristida latifolia 70%, Chrysopogon fallax 60%, Dichanthium fecundum 40% Enneapogon purpurascens 40%, Aristida holathera, Sporobolus australasicus 30%, Iseilema vaginiflorum, Panicum decompositum 20% Land Evaluation Moderately well drained Moderately deep soils Gentle slopes No rock outcrop Very high erosion risk: Soils have high levels of fine sand and silt. High grazing pressure and stock concentrations. Where disturbance is unavoidable erosion and sediment control planning will be required. Occurs in the erodible Ivanhoe land system.
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