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 95 Rises Land Unit: 5h3A Lithology: Siltstone Sites: 4 Area: 57 km2 Landform General Description Gently undulating to undulating siltstone rises; Melaleuca sericea, Melaleuca minutifolia low open woodland; very shallow soils Slopes: 1 - 5% Parent Material: Siltstone Surface Gravel: > 50% Rock Outcrop: < 2% Drainage: Well drained Runoff: Moderately rapid Soil Most Common Soil: Leptic Rudosols of sites: 2 Common Soil Characteristics Surface texture class: Clay loam 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: Leptic Tenosols, very gravelly, sandy, shallow; Kandosols Vegetation Common vegetation community: of sites Pasture rating Av crown cover % Av height (m) Melaleuca sericea, +/- Melaleuca minutifolia low open woodland 3 Poor 7 3 Other communities: Triodia bitextura hummock grassland with isolated Melaleuca sericea, Melaleuca minutifolia trees (1) Stratum Frequency of dominant species Frequency of other common species Upper stratum Melaleuca sericea, Melaleuca minutifolia 67% Brachychiton diversifolius, Hakea arborescens, Eucalyptus pruinosa 33% Mid stratum Calytrix exstipulata 67% Dodonaea physocarpa, Cochlospermum fraseri, Acacia translucens 33% Ground stratum Triodia bitextura, Sorghum stipoideum, 67%, Eriachne ciliata 100% Heliotropium ventricosum, Corchorus sidoides 67% Eriachne obtusa, Eriachne avenacea, Chrysopogon fallax, Schizachyrium sp., Dolichandrone filiformis, Gomphrena canescens 33% Land Evaluation Well drained Very shallow soils Gentle to substantial slopes Negligible rock outcrop Very high erosion risk: Soils have moderate levels of fine sand and silt. Sodic subsoil is likely. Substantial slopes. Low grazing pressure. Any disturbance will require detailed erosion and sediment control planning.
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