Ecological niche modelling workflow

Created: 2013-01-07 18:29:13      Last updated: 2015-06-11 13:32:35

This workflow takes as input a file containing species occurrence points to create a model with the openModeller Web Service. Algorithm, environmental layers and mask are selected during the workflow. The model is tested (internal test and optional cross validation external test) and then projected one or more times. All points from the input file are used to create a single model, even if there are differences in the scientific names. Cross validation calculates the mean AUC. Model projections can be downloaded from the links in the workflow output. They are geotiff files with suitability values ranging from 0 to 254 (nodata=255).

For more information about the input file format, please check the documentation of the corresponding parameter. The default occurrence points are from a marine species called Gammarus tigrinus, so it is necessary to choose marine environmental layers during the modelling procedure to use it.

Workflow requirements: When running on Taverna workbench, this workflow requires Internet connection and the Taverna interaction plugin installed.

Please note that ecological niche modelling experiments can take a long time to run depending on the parameters - sometimes several hours. This may happen with high resolution environmental layers, thousands of occurrence points and heavy algorithms, such as ANN and GARP BS. Cancelling a workflow run may not cancel the corresponding job on the server side, so if this procedure is repeated the server may get overloaded.

More information and documentation about this workflow can be found here: https://wiki.biovel.eu/display/doc/Ecological+Niche+Modelling+%28ENM%29+Workflow

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