OECD - Threatened species

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The data on the state of threatened species build on country replies to the Annual Quality Assurance (AQA) of OECD environmental reference series. These data are harmonised through the work of the OECD Working Party on Environmental Information (WPEI). Some where updated or revised on the basis of comments from national Delegates and in the framework of the OECD Environmental Performance Reviews.
Some countries report data according to their national classification, others report their national red list data and others IUCN Red List data (International Union for Conservation of Nature, "The IUCN Red List of Threatened Species" https://www.iucnredlist.org/). See countries' metadata for more information.
When interpreting these data, it should be borne in mind that the number of species known does not always accurately reflect the number of species in extistence and that varying definitions can limit comparability accross countries.
Species assessed as Critically Endangered (CR), Endangered (EN), or Vulnerable (VU) are referred to as "threatened" species. Reporting the proportion of threatened species on The IUCN Red List is complicated by the fact that not all species groups have been fully evaluated, and also by the fact that some species have so little information available that they can only be assessed as Data Deficient (DD). For many of the incompletely evaluated groups, assessment efforts have focused on species that are likely to be threatened; therefore any percentage of threatened species reported for these groups would be heavily biased (i.e., the % threatened species would likely be an overestimate).

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Source https://stats.oecd.org/Index.aspx?DataSetCode=WILD_LIFE
Last Updated October 25, 2021, 16:33 (UTC)
Created October 19, 2021, 13:06 (UTC)
Access level Public
Geographical area World
Language English
Organization OECD