Summary

The IUCN Red List is a critical indicator of the health of the world’s biodiversity. This dataset contains global assessments for more than 147.500 species, the most of it with spacial data. The spatial data provided are mostly for comprehensively assessed taxonomic groups and selected freshwater groups.

Source

IUCN

Category

Marine Biodiversity

Format

• Polygons: Esri shapefile format
• Points: lat and lon of each observation

Data Range

NA

Link Access (Internal)

Original Source

The IUCN Red List of Threatened Species

Metadata

• Spatial Referencia Information
  • WGS_1984
  • Units: decimal degrees
• IUCN Red List Categories and Criteria
  • Data Deficient (DD)
    • A taxon is DD when have inadequate information to make assessment of its risk of extinction based on its distribution and/or population status
  • Least Concern (LC)
    • A taxon is LC when its has been evaluated against the Red List criteria and does not qualify for high threatened categories
  • Neat Threatened (NT)
    • A taxon is NT when it is close to qualifying for high threatened category in the near future
  • Vulnerable (VU)
    • A taxon is VU when it is considered to be facing a high risk of extinction in the wild
  • Endangered (EN)
    • A taxon is EN when it is considered to be facing a very high risk of extinction in the wild
  • Critically Endangered (CR)
    • A taxon is CR when it is considered to be facing an extremely high risk of extinction in the wild
  • Extinct In The Wild (EW)
    • A taxon is EW when it is known only to survive in cultivation, un captivity or as a naturalized population, also when exhaustive surveys in known expect habitat, at appropriate times throughout its historic range have failed to record and individual
  • Extinct (EX)
    • A taxon is (EX) when there is no reasonable doubt that the last individual has died
  • Not Evaluated (NE)
    • A taxon is (NE) when it has not been yet evaluated against the criteria. They aren’t published in the IUCN Red List