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 108 Alluvial Plains Land Unit: 7lA Lithology: Alluvium Sites: 28 Area: 179 km2 Landform General Description Flat alluvial plains; black soil grasslands; very deep cracking clays with gilgai Slopes: 0% Parent Material: Alluvium Surface Gravel: < 2% Rock Outcrop: 0% Drainage: Imperfectly drained Runoff: Slow Soil Most Common Soil: Brown Vertosols of sites: 17 Common Soil Characteristics Surface texture class: Clayey Subsoil texture class: Clayey Soil colour: Brown Surface soil gravels: < 2% Subsoils gravels: < 2% Soil depth: 1.5 - 5 m Field surface pH: 5.5 - 6.5 Field subsoil pH: 8.5 - 9.5 Other soils described: Aquic Vertosols, Black Vertosols, Redoxic Hydrosols Vegetation Common vegetation community: of sites Pasture rating Av ground cov % Av height (m) Mixed species low tussock grassland (black soil grasslands) 28 High 67 0.35 Other communities: Stratum Frequency of dominant species Frequency of other common species Upper stratum Bauhinia cunninghamii 29% Terminalia volucris, Excoecaria parvifolia 14% Atalaya hemiglauca 11% Mid stratum Bauhinia cunninghamii 11% Vachellia farnesiana, Sesbania cannabina 7% Ground stratum Iseilema sp. 57%, Brachyachne convergens 54% Aristida latifolia 36%, Chrysopogon fallax, 21%, Alloteropsis semialata 18%, Flemingia pauciflora 11% Polymeria ambigua 36%, Panicum decompositum, Sesbania cannabina, 25%, Rhynchospora exserta 14% Abelmoschus ficulneus 11% Neptunia major, Astrebla pectinata, Cucumis melo 7% Land Evaluation Imperfectly drained Very deep soils Minimal slopes No rock outcrop Moderate erosion risk: Soils have a low level of fine sand and silt. Extremely sodic through the profile. High grazing pressure. Level slopes minimise the erosion risk. Saline soil profiles in areas near the Victoria River, highly saline below 60 cm in other places. Generally these plains are relatively stable but any disturbance particularly at depth will require erosion and sediment control planning.


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