National Land and Water Resources Audit
New South Wales Dryland Salinity Assessment 2000
M Littleboy, G Piscopo, R Beecham, P Barnett, L Newman, N Alwood
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In New South Wales, at last 180 000 ha of land have shallow water tables or are currently affected by dryland salinity. Over 90% of this occurs in five catchments - the Murray, Murrumbidgee, Lachlan, Macquarie and Hunter Rivers. Apart from the Hunter and Hawkesbury/Nepean River catchments there is no measured data indicating extensive areas of existing dryland salinity or shallow groundwater in other coastal catchments of NSW.
Within the Murray-Darling Basin (MDB) alone, the area affected by 2050 is predicted to increase from the current 152 000 hectares to 1.3 million ha, a greater than eight-fold increase. The coastal catchments are not represented in this future prediction due to the paucity of groundwater data on which to make the estimates.
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