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 69 Land units 10iA, 10iA/10i2A The relict marine plains and tidal flats have originated from ancient shallow marine environments (Dunster et al. 2000) and in more recent times the fluvial activity of the Victoria River. They are also referred to as estuarine plains (Land Manager 2017, Dunster et al. 2000). These soils have a moderate K factor of 0.034, moderate levels of fine sand and silt (combined total of 44%) and are extremely sodic (ESP% from 46 58) and extremely saline (ECe (dS/m) from 27 145) and pH levels above 8. These factors in combination with rainfall intensity and vegetation loss reflect a landscape that is at extreme risk from scalding, gully and tunnel erosion and increased salt levels. Semi-salt tolerant vegetation is sparse with many areas that are completely bare (Figure 10.5). Disturbance to the landscape from cattle and traffic has increased salinity over time and the bare areas and die back of semi-salt tolerant species such as Gutta percha (Excoecaria parvifolia) reflect a changing environment (Figures 10.6 and 10.7). As stated in previous sections extreme caution should be applied to the management of these areas with regular monitoring. Figure 10.6 Scalds and salt flats are unable to support plant life. Figure 10.7 Severely eroded saline landscapes. Figure 10.5 Relict marine plains with sparse ground cover.


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