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NSW Forest Monitoring and Improvement Program Biodiversity Model Outputs: SOMs, Maxent & NARCliM (climate) Projections

Created 25/06/2025

Updated 25/06/2025

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This dataset contains a series of spatial outputs describing probabilistic species predictive occupancy (Species Occupancy Models, or SOM) & habitat suitability (Maximum Entropy, or Maxent) surfaces, the underlying data used to calculate these models & model projections predicting the impact of climate change on flora Maxent surfaces.

Model outputs are combination outputs dependent on known species occurrence in the landscape, the species relationship with environmental variables (covariates) such as temperature, rainfall and topography; and its predicted occurrence based on covariate analysis. Maxent models do not predict actual occupancy, but rather habitat suitability, while SOMs predict actual occupancy. confounding factors such as inter-species competition, geographical barriers and disturbance events play a significant role in species occurrence, and are not considered in Maxent or SOM. Flora Maxent climate change projections used NSW and Australian Regional Climate Modelling (NARCliM) variables to predict habitat suitability for a baseline year 2000 and projections for 2030 and 2070.

Covariates, Fauna & Flora survey records used to create the models are included.

More detailed information regarding each model, its processes and outputs are included in the dataset.

A web mapping application on the NSW Spatial Collaboration Portal depicts Maxent & SOM of a selected group of vulnerable Flora & Fauna from this dataset. Access the webapp through the link below:

https://portal.spatial.nsw.gov.au/portal/home/item.html?id=78e6ae3d34aa45d2b8118fd0308d6459

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Additional Info

Field Value
Title NSW Forest Monitoring and Improvement Program Biodiversity Model Outputs: SOMs, Maxent & NARCliM (climate) Projections
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/a42da0a7-0803-4cbe-bc87-920a65ee1de0
Contact Point
Terrestrial Ecosystem Research Network�s Data Discovery
jeffrey.bell@nrc.nsw.gov.au
Reference Period 01/01/1987 - 31/12/2019
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        147.0,
        -37.5
      ],
      [
        153.5,
        -37.5
      ],
      [
        153.5,
        -28.0
      ],
      [
        147.0,
        -28.0
      ],
      [
        147.0,
        -37.5
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Terrestrial Ecosystem Research Network

Data Source

This dataset was originally found on Terrestrial Ecosystem Research Network "NSW Forest Monitoring and Improvement Program Biodiversity Model Outputs: SOMs, Maxent & NARCliM (climate) Projections". Please visit the source to access the original metadata of the dataset:
https://geonetwork.tern.org.au/geonetwork/srv/eng/csw/dataset/nsw-forest-monitoring-and-improvement-program-biodiversity-model-outputs-soms-maxent-narclim-cl