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Large areas of the south-west agricultural region, particularly coastal regions and the north-eastern wheatbelt, are potentially at risk of wind erosion. The incorporation of perennials into these farming systems plays a large role in the stabilisation of fragile soils. The planting of perennial shrubs in widely-spaced alleys has been used to slow wind speeds across susceptible paddocks, and accompanying perennial pastures aim to provide year-round ground cover and improve soil stability.