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Salinity Province 82, Moyston

On the eastern colluvial slopes of the Grampians Range, the medium sized Moyston Salinity Province lies between the townships of Halls Gap and Stawell. Native vegetation is reasonably prevalent, particularly on the range slopes and along drainage lines. Features of this province are the fresh water lakes supplied from runoff from the slopes of the Grampians, some of which are seasonally dry. Landuse is diverse with a combination of dryland cropping, blue gum plantations and grazing on annual pasture. Dryland salinity is generally adjacent to these lakes with fluctuations in groundwater behaviour corresponding to lake capacity. The fractured Cambrian rocks, deeply weathered Palaeozoic rocks, colluvial slopes and minor alluvials provide local to intermediate scale Groundwater Flow Systems that respond to climate cycles. Increased perennial pasture and native revegetation together with protection of susceptible areas will help to mitigate dryland salinity in this province.

Province Attributes

Catchment Management Region:	WIMMERA
Priority Status:	High
Province Area:	69,590 ha
Recorded Soil Salinity Area 1:	2,125 ha
Dominant Surface Geology Type:	Sedimentary
Influence of Geological Structure on Salinity Occurrence/s:	None
Relevant Geomorphological Mapping Units (GMUs):	2.1.X, 2.2.X
Predominant Groundwater Flow Systems (GFSs):	Local/Intermediate
Relevant Irrigation Areas:	N/A

Moyston Salinity Province Map



Links to further reading and material related to the Wimmera Salinity Province
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.