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The effect of land clearance in the Mallee region on River Murray salinity and land salinisation

Created 17/10/2025

Updated 17/10/2025

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Widespread clearing of native vegetation has dramatically increased recharge in the Mallee region by up to two orders of magnitude. The resultant rising water tables have caused land salinisation problems in low lying areas and, in the long term, will increase saline groundwater inflows to the River Murray with a consequent rise in river salinity. Computer modelling suggests that, 50 years after the water table begins responding to the increase in recharge, an increase of 70 Electrical Conductivity (EC) units in river salinity will occur at Morgan. Broadscale revegetation in strategic areas adjacent to the river will reduce saline groundwater inflows, and the economic and social aspects of this measure should be investigated.

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Additional Info

Field Value
Title The effect of land clearance in the Mallee region on River Murray salinity and land salinisation
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/38c1287e-30cd-4abb-87f8-dcdd05b5de5d
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        138.73,
        -37.37
      ],
      [
        143.85,
        -37.37
      ],
      [
        143.85,
        -33.6
      ],
      [
        138.73,
        -33.6
      ],
      [
        138.73,
        -37.37
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "The effect of land clearance in the Mallee region on River Murray salinity and land salinisation". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/the-effect-of-land-clearance-in-the-mallee-region-on-river-murray-salinity-and-land-salinisatio