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 57 Sensitive and Significant Habitats The terms Sensitive and Significant Habitats have largely overlapped in the past however the explanations below provide a clearer separation between the two. Sensitive vegetation or habitats applies to vegetation that is easily impacted by land uses or management and includes impacts from fire, feral pests, over-grazing and weed invasion. Rugged sandstone ranges and hills are classified as fire sensitive because of the high number of obligate seed species that occur in these areas. These plants and communities are particularly sensitive to fire because they take several years to reach reproductive maturity and set seed. Fire frequency is a particular issue and plant numbers dramatically decline or suffer extinction from contemporary fire regimes as documented by numerous studies (Bowman and Panton 1993, Keith et al. 2002, Russel-Smith et al. 2002, Yates and Russel-Smith 2003). The Pinkerton Range is recognised as having a large number of fire sensitive species in study areas located on Bradshaw Station (Yates and Russel-Smith 2003). It can be assumed that these species and communities also exist on the Pinkerton range as it extends through Auvergne. Significant vegetation habitats include riparian areas and wetlands and although these habitats are also sensitive to fire, feral pests, overgrazing and weed invasion they are classified as significant habitats due to their ecological importance and value. Wetlands encompass a wide range of habitats however are generally defined as supporting plants or animals that are adapted to and depend on living in wet conditions for part of their life cycle. It includes but is not limited to, rivers, streams, estuaries, channels, springs, lakes, swamps, intertidal sand flats, mud flats, salt flats, tidal marshes, mangroves and claypans. Sensitive and Significant Habitats on Auvergne are presented in Figure 9.2. Land evaluation for Sensitive and Significant vegetation is purely based on presence or absence and where such a vegetation type occurs it is rated as V (very high). Table 9.6 Summary of land units with sensitive or significant vegetation Limitation Class Limitation Description Land Units Area (km2) V Sensitive Habitats easily impacted from a range of land uses and external factors such as fire and feral pests 1gA, 2gV, 2g1A, 4g7V, 5g11V 666 V Significant As above but are also habitats with high ecological importance and value 4g6V, 8lV, 8l11A, 8l12A, 8l13A, 9m5A, 10iA, 10iA/10i2A 350 file://pgb-bas01/bas_data/spatial/Working/Land_veg/Napier%20projects/AUVERGNE/Report/Draft%20Report/Report_DN_Draft%20_LU%20page%20edit.docx#figure92
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