Land and water salinisation

Land and water salinisation

Shallow, saline groundwater has the potential to continue to drive land degradation in the wheatbelt region despite falling water tables in some areas due to widespread, below average rainfall over recent decades. The salinity risk in the valley floors is particularly high and only 8% of the entire south-west agricultural region is considered to have a low salinity risk . Land clearance continues to be the major driver of secondary salinisation.

How can we monitor progress?

At Wheatbelt NRM Inc. we have searched for data that can help us monitor the status of salinity in the region. At a regional level we can report on the extent of salinity. We can also follow trends in groundwater, perennial vegetation being cleared and/or revegetated and climate variability.

Extent of salinity in the Wheatbelt

Trends in groundwater (Source: WA Department of Agriculture and Food); and the 1998 mapped extent of salinity (Source: Land Monitor) in the Wheatbelt NRM region.

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