The 3 Categories of the threatened species [[IUCN Red List.]]

The IUCN Red List of Threatened Species
The IUCN Red List of Threatened Species
The IUCN Red List of Threatened Species
2004 IUCN red list of threatened species : a global species assessment
Quantification of Extinction Risk: IUCN's System for Classifying Threatened Species
Quantification of Extinction Risk: IUCN's System for Classifying Threatened Species
Assessing Extinction Threats: Toward a Reevaluation of IUCN Threatened Species Categories
Wildlife in a changing world : an analysis of the 2008 IUCN red list of threatened species
Quantifying the effects of fisheries on threatened species: the impact of pelagic longlines on loggerhead and leatherback sea turtles
Quantifiying the effects of fisheries on threatened species: the impact of pelagic longlines on loggerhead and leatherback sea turtl...