Land resources of the Victoria River District
Napier, Diane E; Hill, Jason V; Northern Territory. Department of Land Resource Management. Land Resource Assessment Branch
E-Publications; E-Books; PublicationNT; Technical Report Number 19/2012
This Technical Report describes a land resource survey. It was mapped at a survey scale of 1:100 000 and includes a description of the landforms, soils and vegetation for 237 land units. The surveyed area of 74 502km2 is located 700km south west of Darwin and covers 23 major land holdings in the Victoria River District, (VRD) Northern Territory. The objectives of the project were to map, describe and evaluate the pastoral lands of the VRD and provide this information to land managers, industry, government and other relevant stakeholders.
Made available via the Publications (Legal Deposit) Act 2004 (NT)
1. Introduction; 2. Previous Mapping; 3. Survey Collection Methodology and Data Collection; 4. Lithology and Stratigraphy; 5. Landform; 6. Soil Classification; 7. Vegetation; 8. Land Evaluation; 9. Soil Erosion; 10. Land Unit Descriptions; References; Appendices x 10. Tables x 49. Figures x 10.
Soils -- Northern Territory -- Victoria River; Land use -- Northern Territory -- Victoria River; Geology -- Northern Territory -- Victoria River
Northern Territory Government
Technical Report Number 19/2012
vii, 363 pages : colour illustrations and maps ; 30 cm.
Attribution International 4.0 (CC BY 4.0)
Northern Territory Government
24 of the Victoria River DistrictLAND RESOURCES 24 5.8. Drainage systems Drainage systems is a broad term that describes major active river systems, linear stream channels, stream banks, active levees and terraces, drainage depressions and flood outs and back plains associated with these systems. They dissect the landscape and are quite extensive in the north, but are noticeably more absent in the southern inland areas. On Rosewood, Waterloo and parts of Newry the drainage systems are extensive. This is partly due to a dissected basaltic landscape but also the influence of climate. Drainage systems include major river systems such as the Victoria, Wickham, Stirling, Ord and Armstrong Rivers and Sturt Creek. The soil landscape is essentially dependent on the landform element. The lighter earthy textured soils such as Kandosols and to some degree Dermosols are common across the banks, levees and terraces in contrast to the back plains and flood outs that have increasingly heavier soils such as Vertosols. 5.9. Inland Wetlands Inland Wetlands is another broad term that generally includes flat closed inland depressions, lakes, swamps and some associated floodouts. The inland wetlands are restricted to the Sturt Creek network on Birrindudu and Wallamunga and Nongra Lake. Some are annually inundated but others are periodically inundated every 5 - 10 years. Nongra Lake can remain inundated for a number of consecutive years if high seasonal rainfall occurs. In contrast it can also be dry for many years when rainfall is low. This variability makes it difficult to place a specific drainage class on these landscapes however, it is considered they are generally poorly to imperfectly drained. The soils of inland lakes are generally lighter textured than the cracking clays of the alluvial plains, although poorly drained cracking clays (Aquic Vertosols) are present. Both the Hydrosols and Aquic Vertosols are generally mottled. The Hydrosols are grey-yellow earths (Kandosolic and Dermosolic Hydrosols).
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