Rising levels of salinity in rivers, streams and soil due to rises in groundwater levels have been a great concern to land users and governments in recent years. Increased salinity endangers trees and threatens the quality of agricultural land. Salinity is considered to be one of Australia's most serious environmental threat.
Some areas such as the Murray-Darling Basin are and will be further badly affected by salt. Streams in lower rainfall areas and small tributaries seem most vulnerable.
Government agencies are considering further legislation to manage and control the problem, especially in water catchment areas. Water catchment authorities are working with farming communities and other interest groups to repair the damage. Strategies include:
- limiting land clearing;
- planting more trees and native wetlands plants;
- using lucerne to soak up excess water;
- increased water engineering; and
- treating low-lying salt-affected areas.
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