Victorian Resources Online (archived)

Salinity Province 89, Natte Yallock

Thumbnail image showing the location of the Nattte Yallock Province in Victoria The relatively small Natte Yallock Salinity Province is located in west, central Victoria and consists of an upland alluvial flood plain surrounded by the Pyrenees and Black Ranges. The area has an intermediate scale Groundwater Flow System in alluvial sediments with an underlying ‘deep lead’ system, which contains reasonable quality groundwater that is not greatly utilised. A bedrock high (buried granite pluton) restricts subsurface drainage and contributes to the upward hydraulic pressures driving salinity in the province. Groundwater monitoring commenced in the 1980s in an extensive network of bores, mainly developed by the local LandCare group.

Extensive perennial pastures, mostly lucerne, phalaris and small areas of saltbush, were planted in the early 2000s when Incentives payments for their establishment were provided. More recently, cereal cropping in the province has been increased.

Province Attributes

Catchment Management Region:	NORTH CENTRAL
Priority Status:	High
Province Area:	24,270 ha
Recorded Soil Salinity Area ¹:	1,589 ha
Dominant Surface Geology Type:	Sedimentary
Influence of Geological Structure on Salinity Occurrence/s:	Probable
Relevant Geomorphological Mapping Units (GMUs):	2.1.7
Predominant Groundwater Flow Systems (GFSs):	Intermediate
Relevant Irrigation Areas:	N/A

Natte Yallock Salinity Province Map

A detailed map showing the Nattte Yallock Salinity Province

Links to further reading and material related to the North Central 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.

This page contains material sourced from the Victorian Resources Online (VRO) website, originally published by the State Government of Victoria.

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