Regional Management Units of north west Victoria

dataset: NW_REGIONAL_MANAGEMENT_UNIT
A polygonal dataset of Regional Map Units (RMUs) in the Victorian Mallee. The dataset was created from the disaggregation of land systems originally defined by Rowan and Downes (1963). RMUs delineate areas of repeating landform component patterns that occur within a similar landscape context. They were created to provide the Mallee CMA with areas for priority investment to monitor, assess and manage regional land management issues, such as wind erosion. The units also assist in distinguishing the morphological variation in landform components, for example the difference in size of hummocks between the Tempy and Culgoa land systems. The RMUs have been attributed for their relative wind erosion susceptibility and have been embedded into the Victorian Geomorphological Framework. Each RMU therefore has a local naming context (eg: Central Mallee 1) and a statewide Geomorphological reference, eg: 5.1.2. The landform component grid developed by the same project, a 10 metre grid Digital Elevation Model (DEM), expert opinion and the GMU were key inputs into the creation of the landform units. An alpha-numeric code has been applied as the naming convention for these new landform units. The letter indicates the primary parent land system to which the unit is a member whilst the number reflects the number of units the land system has been divided into. The dataset was an output of the project "Disaggregation of landform components within land systems of the Mallee" and "Wind erosion susceptibility mapping" projects conducted by DPI between 2008 and 2011. These projects were sponsored by the Mallee Catchment Management Authority with funding from the Federal government's Caring for our Country initiative. The final project reports and the Rowan and Downes (1963) report , "A study of the land of north-western Victoria", should be referred to when analysing or utilising this dataset.
 
Citation proposal Citation proposal
(2019)

Regional Management Units of north west Victoria

Department of Energy, Environment and Climate Action
 

Description

Title
Regional Management Units of north west Victoria 
Alternate title
NW_REGIONAL_MANAGEMENT_UNIT 
Resource Type
Dataset  
Supplemental Information
Related Documents: None 
Status
Completed  
 
 

Temporal

Time period
2010-07-012012-06-30 
 
 

Spatial

Spatial representation type
Vector  
Code
4283 


 

 

Maintenance

Maintenance and update frequency
Not planned  
 
 

Format

 
 

Contacts

  Point of contact

Cited responsible party  

No information provided.

Cited responsible party  

No information provided.

Cited responsible party  

No information provided.
 
 

Keywords

Topic category
  • Farming
  • Geoscientific information
 
 

Resource Constraints

Use limitation
. Mapping is generalised and nominally reflects 1:250k. There is likely to be significant variation in landform, landform patterns and associated soils within units. 
Classification
Unclassified  
 
 

Lineage

Statement
Dataset Source: In 1963 Rowan and Downes published "Landsystems of north west Victoria" which broadly mapped and described land, land use, climate and vegetation patterns in the Mallee region of Victoria. From 2009 to 2011 landform components described within each land system were disaggregated using a 10 meter resolution digital elevation model. 19 landforms classes were mapped in total across dryland agricultural areas. The landform mapping has been used to sub divide the broader land systems into units that delineate more localised landform patterns. These units have been used to update the Geomorphological Map Unit (GMU) mapping on the region. Dataset Originality: Derived 
Description
Collection Method: mixed 
Description
refer to factsheet 
 
 

Metadata Constraints

Classification
Unclassified  
 
 

Quality

Attribute Quality
Comments
Attributes are accurate as dataset is a broad interpretation of landform pattern and susceptibility to wind erosion 
Positional Accuracy
Conceptual Consistency
Comments
consistent across all records 
Missing Data
Comments
NW Victoria 
Excess Data
 
 

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