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Maxent

1 reviews
Steven J. Phillips, Miroslav Dudík, Robert E. Schapire

The Maxent software is based on the maximum-entropy approach for species habitat modeling. This software takes as input a set of layers or environmental variables (such as elevation, precipitation, etc.), as well as a set of georeferenced occurrence locations, and produces a model of the range of the given species. Maxent is a Java-based applicatio ...

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DOI: 10.1111/ecog.03049
DOI: 10.1016/j.ecolmodel.2005.03.026
DOI: 10.1111/j.1472-4642.2010.00725.x

Last Update: 2016

Data analysis Species populations Plants Mammals Reptiles Butterflies Other Invertebrates Birds Fishes Amphibians Macroinvertebrates

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The Maxent software is based on the maximum-entropy approach for species habitat modeling. This software takes as input a set of layers or environmental variables (such as elevation, precipitation, etc.), as well as a set of georeferenced occurrence locations, and produces a model of the range of the given species. Maxent is a Java-based application and can be used on any computer running Java version 1.5 or later. The model for a species is determined from a set of environmental or climate layers (or "coverages") for a set of grid cells in a landscape, together with a set of sample locations where the species has been observed. The model expresses the suitability of each grid cell as a function of the environmental variables at that grid cell. A high value of the function at a particular grid cell indicates that the grid cell is predicted to have suitable conditions for that species. The computed model is a probability distribution over all the grid cells. The distribution chosen is the one that has maximum entropy subject to some constraints: it must have the same expectation for each feature (derived from the environmental layers) as the average over sample locations.

Contact person: Steven J. Phillips
Contact e-mail: mrmaxent@gmail.com
Contact institute: Center for Biodiversity and Conservation, American Museum of Natural History, New York, NY, USA
License: MIT License (MIT)
Technical Status: Finish and with constant technical support
URL(s): https://biodiversityinformatics.amnh.org/open_source/maxent
https://github.com/mrmaxent/Maxent
https://biodiversityinformatics.amnh.org/open_source/maxent/Maxent_tutorial2017.pdf
profile-image Mar 2020
Christian Langer

Awesome tool, which was used as well for the article: https://doi.org/10.1038/s41586-020-2138-7 published in nature.

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