Computation of Parameters Used in Preliminary Assessment of Conservation Status

Multi-species estimation of geographical range parameters for preliminary assessment of conservation status following Criterion B of the International Union for Conservation of Nature (IUCN, see <>).


Install ConR

Install R. You may want to install the latest version from github by using the following code:


See the associated vignette for a overview of the different functions.

UPDATE June 2018

It is not possible to run the analysis in parallel which can fasten considerably the computation for large datasets (it does not a significant difference for small datasets or when mapping is not requested).

The example below run the evaluation in 4 cores in parallel.

MyResults <- IUCN.eval(Malagasy.amphibian, parallel=T, NbeCores=4, DrawMap=T)


Reference manual

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1.2.2 by Gilles Dauby, a year ago

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Browse source code at

Authors: Gilles Dauby

Documentation:   PDF Manual  

GPL-2 license

Imports fields, geosphere, grDevices, maptools, methods, rgdal, rgeos, spatstat, spatstat.utils, tibble, writexl, doParallel, plyr

Depends on raster, sp

Suggests knitr, rmarkdown, alphahull, testthat

See at CRAN