From Australian Oceans Data Network
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Ecosystem model parameter set for a near-shore Antarctic food web

Created 23/06/2025

Updated 23/06/2025

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This parameter set was developed to provide a plausible implementation for the ecological model described in Bates, M., S Bengtson Nash, D.W. Hawker, J. Norbury, J.S. Stark and R. A. Cropp. 2015. Construction of a trophically complex near-shore Antarctic food web model using the Conservative Normal framework with structural coexistence. Journal of Marine Systems. 145: 1-14. The ecosystem model used in this paper was designed to have the property of structural coexistence. This means that the functional forms used to describe population interactions in the equations were chosen to ensure that the boundary eigenvalues of every population were all always positive, ensuring that no population in the model can ever become extinct. This property is appropriate for models such as this that are implemented to model typical seasonal variations rather than changes over time. The actual parameter values were determined by searching a parameter space for parameter sets that resulted in a plausible distribution of biomass among the trophic levels. The search was implemented using the Boundary Eigenvalue Nudging - Genetic Algorithm (BENGA) method and was constrained by measured values where these were available. This parameter set is provided as an indicative set that is appropriate for studying the partitioning of Persistent Organic Pollutants in coastal Antarctic ecosystems. It should not be used for predictive population modelling without independent calibration and validation.

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Additional Info

Field Value
Title Ecosystem model parameter set for a near-shore Antarctic food web
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/a90ca238-7a01-4b95-99d2-1bef30f0a49b
Contact Point
Australian Ocean Data Network
metadata@aad.gov.au
Reference Period 01/01/2012 - 31/12/2016
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        -180.0,
        -70.0
      ],
      [
        180.0,
        -70.0
      ],
      [
        180.0,
        -64.0
      ],
      [
        -180.0,
        -64.0
      ],
      [
        -180.0,
        -70.0
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Australian Oceans Data Network

Data Source

This dataset was originally found on Australian Oceans Data Network "Ecosystem model parameter set for a near-shore Antarctic food web". Please visit the source to access the original metadata of the dataset:
https://catalogue.aodn.org.au/geonetwork/srv/eng/csw/dataset/ecosystem-model-parameter-set-for-a-near-shore-antarctic-food-web