期刊
BIODIVERSITY DATA JOURNAL
卷 5, 期 -, 页码 -出版社
PENSOFT PUBLISHERS
DOI: 10.3897/BDJ.5.e20530
关键词
Area of Occupancy; Extent of Occurrence; extinction risk; International Union for the Conservation of Nature; red list index; species distribution modelling
资金
- Koneen Saatio
- Mohamed Bin Zayed Species Conservation Fund
- Chicago Zoological Society CBOT Endangered Species Fund
- Toyota Global Species Programme
The International Union for the Conservation of Nature Red List is the most useful database of species that are at risk of extinction worldwide, as it relies on a number of objective criteria and is now widely adopted. The R package red - IUCN Redlisting Tools - performs a number of spatial analyses based on either observed occurrences or estimated ranges. Functions include calculating Extent of Occurrence (EOO), Area of Occupancy (AOO), mapping species ranges, species distribution modelling using climate and land cover and calculating the Red List Index for groups of species. The package allows the calculation of confidence limits for all measures. Spatial data of species occurrences, environmental or land cover variables can be either given by the user or automatically extracted from several online databases. It outputs geographical range, elevation and country values, maps in several formats and vectorial data for visualization in Google Earth. Several examples are shown demonstrating the usefulness of the different methods. The red package constitutes an open platform for further development of new tools to facilitate red list assessments.
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