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 43 Corymbia polycarpa woodland with mixed closed grassland understorey. Land unit: 6c14A Stratum Growth form Cover (cover range) % Av Height (height range) m Upper Tree 24 (5-40) 11 (7-14) Mid Tree 8 (0-20) 3 Ground Tussock Grass 82 (70-95) 0.5 (0.2-1) Corymbia polycarpa is the dominant species. Structural formations vary from low open woodlands to woodlands. Corymbia bella, Pandanus spiralis and Terminalia grandiflora may also occur. The mid stratum is absent or a sparse low open woodland possibly with Melaleuca viridiflora, M. nervosa, Acacia difficilis, Bauhinia cunninghamii and Owenia vernicosa. The ground layer is variable and consists of Sehima nervosum/Themeda triandra grassland, Sorghum bulbosum/stipoideum grassland or Eriachne obtusa grassland. On wetter sites Cyperus bifax sedgeland, Pseudoraphis spinescens grassland or Eriachne glauca grassland can be found. Located on low plains, backplains, swamp margins, seasonally inundated drainage depressions, valley flats and levees. Melaleuca viridiflora low woodland with Eriachne glauca/Chrysopogon setifolius grassland. Land unit: 6c13A Stratum Growth form Cover (cover range) % Av Height (height range) m Upper Tree 20.6 (8-30) 6.9 (4.5-12) Mid Shrub 2.1 (0-8) 1.3 Ground Tussock Grass/sedge 77.5 (60-90) 0.4 (0.2-0.6) Melaleuca viridiflora is dominant in the upper stratum. Occasional Corymbia polycarpa, C. papuana and/or Eucalyptus microtheca may occur. The structural formation of the upper stratum is generally low woodland and low open woodland. The mid stratum is generally absent or consists of isolated Melaleuca viridiflora, Planchonia careya and/or Buchanania obovata. The ground stratum is an Eriachne glauca/Chrysopogon setifolius/ Fimbristylis simplex grassland/sedgeland. Other grass species include Eriachne obtusa, Sorghum bulbosum/stipoideum, S. plumosum and Themeda triandra. Herbs include Cleome tetranda and Cartonema spicatum. Various Cyperus spp. and Eleocharis spp. occur in small depressions. Located on plains and alluvial plains in drainage depressions and seasonal swamps.
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