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 81 Low Hills Land Unit: 4g5V Lithology: Sandstone Sites: 4 Area: 14 km2 Landform General Description Undulating to rolling low sandstone hills and ridges; rock outcrop; Eucalyptus tectifica low open woodland; very shallow soils Slopes: Up to 25% Parent Material: Sandstone Surface Gravel: > 50% Rock Outcrop: Up to 5% Drainage: Well drained Runoff: Very rapid Soil Most Common Soil: Leptic Rudosols Common Soil Characteristics Surface texture class: Sandy Subsoil texture class: - Soil colour: Red Surface soil gravels: > 50% Subsoils gravels: - Soil depth: < 0.25 m Field surface pH: 5.5 - 6.5 Field subsoil pH: - Other soils described: Shallow Red Kandosols Vegetation Common vegetation community: of sites Pasture rating Eucalyptus tectifica low open woodland 3 Poor Other communities: Mixed spp. low tussock grassland with Indigofera sp. and Triodia bitextura Stratum Frequency of dominant species Frequency of other common species Upper stratum Eucalyptus tectifica 75% Erythrophleum chlorostachys 75%, Eucalyptus brevifolia 50%, Hakea lorea 25% Mid stratum Eucalyptus tectifica 75%, Hakea arborescens 50% Acacia lysiphloia, Cochlospermum fraseri, Carissa lanceolata 50%, Terminalia canescens 25% Ground stratum Annual Sorghum sp., Triodia bitextura 100%, Sorghum plumosum, Sehima nervosum 25% Eriachne obtusa, Eriachne ciliata 75%, Chrysopogon fallax 50%, Themeda triandra, Aristida pruinosa, Indigofera sp. 25% Land Evaluation Well drained Very shallow soils Excessive slopes Rock outcrop (abundant rock outcrop in areas) High erosion risk: The soils have moderate to high levels of fine sand. Excessive slopes. Abundant surface rock (rock armour) combined with very low grazing pressure minimise the extreme erosion risk of these units. If disturbance is unavoidable then detailed erosion and sediment control planning is essential. Generally found on Newry and Auvergne Stations.
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