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 79 Low Hills Land Unit: 4g1V Lithology: Sandstone Sites: 21 Area: 439 km2 Landform General Description Undulating and steep low sandstone hills; areas of abundant rock outcrop; variable low open woodland; very shallow soils Slopes: Up to 35% Parent Material: Sandstone Surface Gravel: > 50% Rock Outcrop: Up to 40% Drainage: Well drained Runoff: Very rapid Soil Most Common Soil: Leptic Tenosols Common Soil Characteristics Surface texture class: Sandy Subsoil texture class: - Soil colour: Brown 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 Brown Kandosols Vegetation Common vegetation community: of sites Pasture rating Eucalyptus brevifolia, Terminalia canescens low open woodland 7 Poor Corymbia dichromophloia and Eucalyptus brevifolia low open woodland OR Eucalyptus brevifolia low open woodland 6 (3 of each) Poor Other communities: Corymbia dichromophloia low open woodland, Triodia bitextura or Triodia pungens low and mid hummock grassland Stratum Frequency of dominant species Frequency of other common species Upper stratum Eucalyptus brevifolia 71%, Corymbia dichromophloia 48%, Terminalia canescens 33%, Melaleuca minutifolia 14% Erythrophleum chlorostachys 14%, Eucalyptus tectifica, Corymbia ferruginea 10% Mid stratum Terminalia canescens 33%, Acacia lysiphloia 14%, Acacia stipuligera 10% Acacia spp. 43%, Grevillea spp. 33%, Eucalyptus brevifolia 19%, Cochlospermum fraseri 14% Ground stratum Triodia bitextura 52%, Triodia pungens 24%, Triodia sp. 24%, Sorghum stipoideum 24%, annual Sorghum sp. 10% Acacia spp., Ptilotus spp., Eriachne ciliata 29%, Sehima nervosum, Corchorus sidoides 19% Land Evaluation Well drained Very shallow soils Excessive slopes Abundant rock outcrop High erosion risk: Soils have moderate to high levels of fine sand. Excessive slopes and rapid surface water flow. Abundant surface rock (rock armour) combined with very low grazing pressure helps minimise extreme erosion risk. If disturbance is unavoidable then detailed erosion and sediment control planning is essential.
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