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 98 Plains Land Unit: 6c8A Lithology: Colluvium Sites: 5 Area: 340 km2 Landform General Description Level to gently undulating colluvial plains; Melaleuca minutifolia low open woodland; very deep brown structured soils Slopes: 0 - 1% Parent Material: Colluvium Surface Gravel: 2 - < 10% Rock Outcrop: 0% Drainage: Imperfectly drained Runoff: Slow Soil Most Common Soil: Brown Dermosols of sites: 3 Common Soil Characteristics Surface texture class: Clay loamy Subsoil texture class: Clayey Soil colour: Brown Surface soil gravels: 2 - < 10% Subsoils gravels: 2 - < 10% Soil depth: 1.5 - 5 m Field surface pH: 5.5 - 6.5 Field subsoil pH: 7.5 - 8.5 Other soils described: Brown Kandosols, slightly gravelly, clay loamy, shallow Vegetation Common vegetation community: of sites Pasture rating Av crown cover % Av height (m) Melaleuca minutifolia, +/- Melaleuca sericea, Grevillea striata, Terminalia platyptera low open woodland 5 Moderate 12 5 Other communities: Stratum Frequency of dominant species Frequency of other common species Upper stratum Melaleuca minutifolia 100%, Melaleuca sericea, Grevillea striata 60%, Terminalia platyptera 40% Melaleuca viridiflora, Eucalyptus pruinosa, Eucalyptus tectifica, Excoecaria parvifolia 20% Mid stratum Melaleuca minutifolia 80%, Melaleuca sericea 40% Carissa lanceolata 40%, Melaleuca viridiflora, Eucalyptus tectifica, Grewia retusifolia 20% Ground stratum Chrysopogon fallax, Eriachne obtusa, Sehima nervosum 60%, Sorghum stipoideum, Themeda triandra, Eriachne glauca 40% Carissa lanceolata 60%, Aristida holathera, Grewia retusifolia, Evolvulus alsinoides, Panicum decompositum 40% Land Evaluation Imperfectly drained Very deep soils Gentle slopes No rock outcrop Moderate/High erosion risk: Soils have high levels of fine sand and silt. Extremely sodic subsoil. Saline from > 0.5 m. Moderate grazing pressure. These plains are currently intact however any disturbance should be carefully managed and will require erosion and sediment control planning.
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