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Salinity Province 51, Inverloch

Thumbnail image showing the location of the Inverloch Salinity Province in VictoriaThe Inverloch Salinity Province is a small province located on Victoria’s southern coastline, about 110km southeast of Melbourne. Most of the salinity in the province is located on or near the coast in coastal flats, floodplains and narrow alluvial plains, consisting of unconsolidated Quaternary marine and non-marine sediments. Some smaller areas of salinity are found slightly further inland on the gently undulating rises associated with Tertiary sediments of the Haunted Hills Gravel Formation that rises towards the Strezlecki Hills to the northwest.

The Groundwater Flow Systems (GFSs) of most relevance to salinity are the local to intermediate scale ones located in the younger coastal sediments, where a naturally saline shallow watertable is present. The few occurrences mapped further inland are associated with groundwater discharge from the intermediate scale GFSs in the Haunted Hills Gravels.

Some management of the coastal salinity could be achieved through, ‘living-with-salt’ options such as planting salt tolerant pastures with careful grazing management to maximise production whilst minimising soil damage when wet.

Province Attributes

Catchment Management Region:WEST GIPPSLAND
Priority Status:High
Province Area:24,570 ha
Recorded Soil Salinity Area 1:1,180 ha
Dominant Surface Geology Type:Sedimentary
Influence of Geological Structure on Salinity Occurrence/s:Possible
Relevant Geomorphological Mapping Units (GMUs):7.X, 8.X
Predominant Groundwater Flow Systems (GFSs):Local, Intermediate & Local/Intermediate
Relevant Irrigation Areas:N/A

Inverloch Salinity Province Map

A detailed map showing the Inverloch Salinity Province

Links to further reading and material related to the West Gippsland Salinity Province
Groundwater Flow Systems (GFS) in the West Gippsland CMR

For further information relating to groundwater levels and salinities in this Province please see: Visualising Victoria's Groundwater (VVG)

1 Please Note: The ‘Recorded Soil Salinity Area’ indicated in the Salinity Province Attribute Table, comprises the total geographic area that has been mapped as having, or showing symptoms of, dryland soil salinity at some time (past or present). As dryland salinity occurrence in the Victorian landscape exhibits many different levels of severity and can change due to climate, landuse and vegetation, previously mapped areas may no longer be showing symptoms. In addition, as not all parts of the State have been mapped, or mapped in the same way, the mapping may not have captured some occurrences.

The soil salinity mapping used to calculate this ‘area’ does not cover irrigation regions. In irrigation regions, depth to watertable and watertable salinity mapping has been used to convey the threat of high watertables on soil waterlogging and/or soil salinisation and these areas are not included in this ‘area‘ calculation.

Please contact the Department, your Catchment Management Authority or your rural water provider for more information about salinity in your location.
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