Tools for the IUCN Red List of Ecosystems and Species R package redlistr version 2.1.0 A toolbox created by members of the International Union for Conservation of Nature (IUCN) Red List of Ecosystems Committee for Scientific Standards. Primarily, it is a set of tools suitable for calculating the metrics required for making assessments of species and ecosystems against the IUCN Red List of Threatened Species and the IUCN Red List of Ecosystems categories and criteria. See the IUCN website for detailed guidelines, the criteria, publications and other information. Software Depends: R (>= 4.1.0) Imports: terra (>= 1.8-54), sf (>= 1.0-21), dplyr, methods, ggplot2, rlang, units, stringr, mgcv Suggests: devtools, knitr, rmarkdown, testthat, leaflet Aniko Toth <anikobtoth@gmail.com> Comprehensive R Archive Network (CRAN) Calvin Lee [aut] (Original functions and examples, ORCID: <https://orcid.org/0000-0001-8277-8614>), Nicholas Murray [aut] (Original functions and examples, ORCID: <https://orcid.org/0000-0002-4008-3053>), Aniko Toth [cre, aut] (Updated functions, classes and methods, ORCID: <https://orcid.org/0000-0002-3063-1917>), José R. Ferrer-Paris [aut] (Documentation, contributions to classes and methods, ORCID: <https://orcid.org/0000-0002-9554-3395>) GPL (>= 3) file LICENSE (https://CRAN.R-project.org/package=redlistr/LICENSE) 2026-07-14 application/tgz https://CRAN.R-project.org/package=redlistr doi:10.32614/CRAN.package.redlistr