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 102 Plains Land Unit: 6c14A Lithology: Colluvium Sites: 16 Area: 266 km2 Landform General Description Broad drainage areas including colluvial plains; Corymbia polycarpa open woodland; very deep sandy soils Slopes: 0 - 1% Parent Material: Colluvium Surface Gravel: 0% Rock Outcrop: 0% Drainage: Poorly drained Runoff: Slow Soil Most Common Soil: Redoxic Hydrosols of sites: 8 Common Soil Characteristics Surface texture class: Sandy Subsoil texture class: Clayey Soil colour: Brown Surface soil gravels: < 2% 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-Orthic Tenosols, non-gravelly, sandy to loamy, very deep; Oxyaquic Hydrosols, non-gravelly, clayey, very deep; Brown Kandosols Vegetation Common vegetation community: of sites Pasture rating Av crown cover % Av height (m) Corymbia polycarpa, Corymbia confertiflora mid open woodland 4 Moderate 14 10.5 Corymbia polycarpa, +/- Melaleuca viridiflora, Melaleuca nervosa low open woodland 4 Moderate 9 9 Other communities: Corymbia grandifolia +/- Corymbia foelscheana, Corymbia bella mid open woodland (3), Eriachne glauca, Chrysopogon fallax mixed mid tussock grassland (2), Melaleuca viridiflora, Acacia difficilis low open woodland (1), Eucalyptus microtheca, Corymbia polycarpa low open woodland (1), Corymbia confertiflora, Corymbia bella mid woodland (1) Stratum Frequency of dominant species Frequency of other common species Upper stratum Corymbia polycarpa 100%, Corymbia confertiflora 50%, Melaleuca viridiflora 25% Eucalyptus pruinosa, Terminalia platyptera, Terminalia platyphylla, Owenia vernicosa 13% Mid stratum Melaleuca viridiflora, Melaleuca nervosa 38% Terminalia platyphylla, Bauhinia cunninghamii, Corymbia polycarpa, Brachychiton diversifolius 13% Ground stratum annual Sorghum sp. 75%, Chrysopogon fallax, Eriachne glauca 63%, Eriachne obtusa, Sorghum stipoideum 25% Eulalia aurea, Drosera lanata, Stemodia lythrifolia 38%, Cartonema parviflorum, Platyzoma microphyllum, Sorghum plumosum 25% Land Evaluation Poorly drained Very deep soils Level to gentle slopes No rock outcrop High erosion risk: Soils have moderate to high levels of fine sand and silt. Generally not dispersive. Sodic subsoils are likely in some areas. High surface water flow from the surrounding landscape in places. Moderate grazing pressure. These areas are often inundated and contain species that are indicative of drainage areas. Any disturbance including tracks, roads and fence lines will require erosion and sediment control planning. Vegetation communities can vary but all are indicative of imperfectly to poorly drained soils.


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