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- Western Australia (5)
- Climate (1)
- Dams (1)
- Erosion (1)
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- Ord River region (W.A.) (1)
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Articles 1 - 6 of 6
Full-Text Articles in Physical Sciences and Mathematics
An Inventory And Condition Survey Of The Western Australian Part Of The Nullarbor Region, P A. Waddell, A K. Gardner, P Hennig
An Inventory And Condition Survey Of The Western Australian Part Of The Nullarbor Region, P A. Waddell, A K. Gardner, P Hennig
Technical Bulletins
The inventory and condition survey of the Western Australian part of the Nullarbor region, undertaken by the Department of Agriculture and Food, Western Australia (DAFWA) between 2005 and 2007, describes and maps the natural resources of the region. This survey report provides a baseline record of the existence and condition of the area's natural resources, to assist with the planning and implementation of land management practices. The report identified and described the condition of soils, landforms, vegetation, habitat, ecosystems, and declared plants and animals. It also assessed the impact of pastoralism and made land management recommendations. The Nullarbor region has …
Dam Site Selection In The North-Eastern Wheatbelt, J L. Frith
Dam Site Selection In The North-Eastern Wheatbelt, J L. Frith
Journal of the Department of Agriculture, Western Australia, Series 4
Western Australia's wheatbelt farm dams are dug three to eight metres deep and are generally sited in soils which either are inherently impermeable or can be made so during construction.
In the eastern and north-eastern wheatbelt, however, only a small proportion of the soils meets these criteria. Dam site selection in these areas therefore depends on a good knowledge ofwhich soils aresuitable and on our being able to locate them efficiently by using surface indications such as surface soil, natural vegetation or topographic features.
Soil Structure Changes Under Wheatbelt Farming Systems, T C. Stoneman
Soil Structure Changes Under Wheatbelt Farming Systems, T C. Stoneman
Journal of the Department of Agriculture, Western Australia, Series 4
A review of 14 years of Department of Agriculture research into the effects of wheatbelt fanning practices on soil structure reaches the general conclusion that cultivation and grazing practices influence soil structure, and that structure can be improved by soil amendments and pasture growth.
Little data has been obtained to relate plant growth to improved soil structure, as measured.
The Ord River Catchment Regeneration Project. 1. The Nature, Extent And Causes Of Erosion In The Ord River Catchment Area, K Fitzgerald
The Ord River Catchment Regeneration Project. 1. The Nature, Extent And Causes Of Erosion In The Ord River Catchment Area, K Fitzgerald
Journal of the Department of Agriculture, Western Australia, Series 4
OF the 17,800 square miles of Ord River catchment area, an estimated 1,450 square miles of country is subject to varying degrees of erosion.
This lies astride the Ord River and its major tributaries, the Elvire, Negri, Stirling, Panton, Turner, Nicholson and RB rivers.
The bulk of the eroded country lies in W.A. but part projects into the Northern Territory.
Loss Of Structure In Wheatbelt Soils, T C. Stoneman
Loss Of Structure In Wheatbelt Soils, T C. Stoneman
Journal of the Department of Agriculture, Western Australia, Series 4
MANY of the heavy soils of the West Australian wheatbelt have been farmed for 30 or 40 years, and farmers now frequently complain that these soils are becoming more difficult to handle, that greater power is needed to break up the soil, and the time that it remains in a workable condition after rains is shorter.
Fossils And Farmers, D Merrilees
Fossils And Farmers, D Merrilees
Journal of the Department of Agriculture, Western Australia, Series 4
The West Australian Museum is looking for fossil remains from the Pleistocene age, the period of geological time when Europe was covered with ice.
Little is known of what the Australian continent was like at that time, and the Museum hopes, by collecting as many fossil remains as possible, to get a better picture of Australian conditions at that time.
It is also hoped to discover more about the ancestors of our present marsupial fauna.
Farmers may be able to make a valuable contribution to the present knowledge of this period by forwarding suspected fossil remains to the Museum. Here …