Territory Stories

Land Resources of Auvergne Station

Details:

Title

Land Resources of Auvergne Station

Other title

A supplement to the Land Resources of the Victoria River District

Creator

Napier, Diane; Edmeades, Bart; Lynch, Brian; McGregor, Robert; Northern Territory. Department of Environment and Natural Resources

Editor

Hill, J.V.

Collection

E-Publications; E-Books; PublicationNT; Jul-18

Date

2018-06-30

Location

Auvergne Station; NT Portion 2676; Victoria River Downs; Victoria River District

Description

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.

Notes

Made available via the Publications (Legal Deposit) Act 2004 (NT)

Table of contents

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.

Language

English

Subject

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

Publisher name

Northern Territory Government

Place of publication

Palmerston

Series

Jul-18

Format

204 pages ; colour photographs, maps, figures, tables ; 30 cm.

File type

application/pdf

ISBN

9781743501498

Use

Attribution International 4.0 (CC BY 4.0)

Copyright owner

Northern Territory Government

License

https://creativecommons.org/licenses/by/4.0/

Related links

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]

Parent handle

https://hdl.handle.net/10070/300258

Citation address

https://hdl.handle.net/10070/378762

Page content

Land Resources of Auvergne Station A supplement to the Land Resources of the Victoria River District 118 Drainage Systems Land Unit: 8l6V Lithology: Alluvium Sites: 7 Area: 28 km2 Landform General Description Alluvial backplains and anastomotic plains; Bauhinia cunninghamii low open woodland; deep heavy black cracking clays Slopes: 0 - 2% Parent Material: Alluvium Surface Gravel: < 10% Rock Outcrop: 0% Drainage: Imperfectly drained Runoff: Very slow Soil Most Common Soil: Black and Grey Vertosols Common Soil Characteristics Surface texture class: Clayey Subsoil texture class: Clayey Soil colour: Black Surface soil gravels: < 10% Subsoils gravels: < 5% Soil depth: > 1.0 m Field surface pH: 7.5 - 8.5 Field subsoil pH: 8.5 - 9.5 Other soils described: Aquic Vertosols, non-gravelly, clayey, very deep Vegetation Common vegetation community: of sites Pasture rating Bauhinia cunninghamii low open woodland 5 Moderate/High Other communities: Eucalyptus microtheca, Excoecaria parvifolia low open woodland (1). Melaleuca bracteata with Bauhinia cunninghamii tall shrubland (1) Stratum Frequency of dominant species Frequency of other common species Upper stratum Bauhinia cunninghamii (83), Melaleuca bracteata (17%) Excoecaria parvifolia, Parkinsonia aculeata, Atalaya hemiglauca, Terminalia platyphylla (17%) Mid stratum Bauhinia cunninghamii (67%) Atalaya hemiglauca, Carissa lanceolata (67%), Vachellia farnesiana (17%) Ground stratum Aristida latifolia (67%), Chrysopogon fallax (50%), Cyperus bifax (33%) Brachyachne convergens (67%), Panicum decompositum (50%), Heteropogon contortus, Wedelia asperrima (17%) Land Evaluation Imperfectly drained Deep soils Gentle slopes No rock outcrop Very high erosion risk: Soils have high levels of silt particularly in the topsoil. Likely to have sodic subsoil. Incision from water flow. Saline soils below 0.80 cm. High grazing pressure. These soils are extremely fragile, if the surface is exposed they are dispersive and will rapidly erode. Careful land management especially along tracks, fence lines and water points is essential. Where disturbance is unavoidable erosion and sediment control planning will be required. Associated with the West Baines and Keep River alluvial systems primarily on Newry, Auvergne, Waterloo Stations and Nagurunguru ALT (Amanbidji). Gilgai common. On Auvergne Eucalyptus microtheca and Excoecaria parvifolia communities are prevalent.


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