Authors

D A. Blood

Publication Date

1-1-1995

Series Number

141

Abstract

The development of agriculture in south-western Australia has been characterised by the replacement of deep-rooted, perennial species of native vegetation with shallow-rooted, annual species. Except for the high rainfall areas, the native vegetation was able to intercept and transpire nearly all of the rainfall resulting in low stream flows and recharge to a groundwater system which was typically deep and restricted to the major valleys. The lack of surface or groundwater movement out of inland catchments used large quantities of cyclic salts to become stored in the regolith. Although annual crops and pastures can be high water users, they are poorly adapted to transpire rainfall outside of the growing season.

Keywords

Western Australia, Rangelands Western Australia Management, Western Australia Environmental Protection Authority, Soils, Soil erosion Australia, Vegetation management Australia

Disciplines

Natural Resources and Conservation | Soil Science

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