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 120 Drainage Systems Land Unit: 8l12A Lithology: Alluvium Sites: 1 Area: 16 km2 Landform General Description Drainage lines, drainage depressions and springs within sandstone hills; Grevillea pteridifolia, Melaleuca viridiflora, Eucalyptus polycarpa low open woodland; deep sandy soils Slopes: 1% Parent Material: Alluvium Surface Gravel: 0% Rock Outcrop: 1% Drainage: Poorly drained Runoff: Slow Soil Most Common Soil: Redoxic Hydrosols of sites: 1 Common Soil Characteristics Surface texture class: Sandy Subsoil texture class: Clay loamy Soil colour: Grey Surface soil gravels: 0% Subsoils gravels: 0% Soil depth: 1.0 -1.5 m Field surface pH: 4.5 - 5.5 Field subsoil pH: 4.5 - 5.5 Other soils described: Vegetation Common vegetation community: of sites Pasture rating Av crown cover % Av height (m) Grevillea pteridifolia, Corymbia polycarpa, Melaleuca viridiflora low open woodland 1 Moderate 16 5 Other communities: Stratum Frequency of dominant species Frequency of other common species Upper stratum Grevillea pteridifolia, Corymbia polycarpa, Melaleuca viridiflora 100% Melaleuca nervosa 100% Mid stratum Melaleuca viridiflora 100% Grevillea pteridifolia 100% Ground stratum Chrysopogon setifolia, Fimbristylis tetragona 100% Xyris oligantha, Xyris pauciflora Scleria sp. 100% Land Evaluation Poorly drained Deep soils Gentle slopes Negligible outcrop Significant habitat Low/Moderate risk: Soils have moderate to high levels of fine sand. Sodic subsoil. Moderate grazing pressure. Significant surface water flow during the Wet season. Disturbance of natural springs and drainage lines should be avoided. Where disturbance is unavoidable erosion and sediment control planning will be required. This unit closely aligns with land unit 4g6 in the VRD however it is better described as drainage rather than a sandstone hills unit. Springs are defined as wetlands. Wetlands are significant habitats that are critical to a large number of wildlife species and many contain animal and plant species that are found nowhere else. These habitats are vulnerable to degradation by fire, over grazing, feral animals and weed invasion.
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