Habitat Distribution Models - Threatened Species

dataset: HDM_75m_threatened_spp
Habitat distribution models (HDMs) predict where suitable habitat may exist for a species, based in part on verified observations of the species in their natural environments. Victorian government has developed HDMs for almost all of Victoria’s terrestrial flora and fauna species, and this dataset includes the models for threatened species listed under the Victorian Flora and Fauna Guarantee Act 1988 and/or the Commonwealth Environment Protection and Biodiversity Conservation Act 1999. Note some models have been deemed restricted by the department and are not included in this dataset. The geotiff files are projected in the Vicgrid2020 coordinate system and have a cell size of 75x75 meters. These files can be viewed in Geographic Information Systems (GIS) software such as ESRI's ArcGIS or the open-source QGIS. The cell values in the HDM are an index of predicted habitat suitability for the species. Higher values indicate areas of greater habitat suitability, and lower values indicate the opposite.    A spreadsheet is included in the download to provide metadata on the models and version control information. These models are updated periodically, and it is up to the user to ensure the most current version of the models are being used. For more information Habitat distribution models, visit the following website: https://www.environment.vic.gov.au/biodiversity/spatial-data-foundation User queries regarding Habitat distribution models can be emailed to: biodiversity.info@deeca.vic.gov.au
 
Citation proposal Citation proposal
(2025)

Habitat Distribution Models - Threatened Species

Department of Energy, Environment and Climate Action
 

Description

Title
Habitat Distribution Models - Threatened Species 
Alternate title
HDM_75m_threatened_spp 
Resource Type
Dataset  
Purpose
The information provided by HDMs is potentially useful for a wide range of decision makers and natural resource managers. Information about the predicted habitat suitability for a species can help inform conservation decision-making processes, such as: - prioritising areas for protection, conservation zoning, or new surveys - avoidance of highly suitable habitat - raising awareness of the spread of biodiversity values across Victoria - assessing the value of landscapes at various spatial scales for single or multiple species HDMs are an important tool to help understand species’ distributions across Victoria, or to capture species’ assemblages at a particular location. HDMs are also an integral part of other decision support tools, including Habitat Value (https://www.environment.vic.gov.au/biodiversity/habitat-value) and Strategic Management Prospects (https://www.environment.vic.gov.au/biodiversity/choosing-actions-for-nature). 
Credit
Dataset Creators: Jim Thomson, Cameron Williams, Matt White, Canran Liu, Graham Newell, and Peter Griffioen 
Supplemental Information
https://www.environment.vic.gov.au/biodiversity/habitat-value https://www.environment.vic.gov.au/biodiversity/how-to-use-habitat-distribution-models 
Status
Completed  
 
 

Temporal

Time period
2025-05-092026-05-09 
 
 

Spatial

Spatial representation type
Grid  
Code
VicGrid on GDA2020 
Description
General - Victoria 
N
S
E
W


 

 

Maintenance

Maintenance and update frequency
As needed  
 
 

Format

Title
DIGITAL - GeoTiff 3 
 
 

Contacts

  Point of contact

Cited responsible party  

No information provided.

Cited responsible party  

No information provided.
 
 

Keywords

Topic category
  • Environment
DELWP Categories
  • EnvironmentBiology & Ecology
 
 

Resource Constraints

Use limitation
None. 
Classification
Unclassified  
 
 

Lineage

 
 

Metadata Constraints

Classification
Unclassified  
 
 

Quality

Attribute Quality
Comments
100% correct 
Positional Accuracy
Comments
75x75m cells 
Conceptual Consistency
Missing Data
Comments
Statewide Victoria 
Excess Data
 
 

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