These criteria are relevant to all species and all regions of the world. De très nombreux exemples de phrases traduites contenant "2001 iucn Red List categories and criteria" – Dictionnaire français-anglais et moteur de recherche de traductions françaises. These criteria are relevant to most species and all regions of the world. Red List Categories According to their extinction risk, species are classified into eight categories: Red List Criteria The Red List Criteria give a quantitative threshold for the threatened Categories VU, EN and CR: For more information, please see the IUCN. IUCN Red List Categories and Criteria. BirdLife's Globally Threatened Bird Forums. In summary, the The Red List Categories and Criteria, Version 3.1 are available in booklet form in the following language versions: English, French and Spanish from the IUCN Publications ... at the IUCN Red List Criteria following which, changes were proposed affecting the criteria, … produced a revision of the Red List categories,along with criteria for assigning them to sp ecies (World Conservation Union 1994).This revised system provided the means to assess species status much more objectively than was possible before,using a series of numerical threshold s based on measurements of abundance and decline. The IUCN Red List Categories and Criteria are intended to be an easily and widely understood system for classifying species at high risk of global extinction. The Red List of Threatened Species (also known as the (IUCN) Red List or Red Data List), founded in 1964, is the world's most comprehensive inventory of the global conservation status of biological species.It uses a set of criteria to evaluate the extinction risk of thousands of species and subspecies. The threatened species categories used in Red Data Books and Red Lists have been in place for almost 30 years. Red List Guidelines 5 Subpopulations: If a subpopulation assessed under the criteria is not isolated (i.e., if it may be exchanging individuals with other subpopulations), its assessments must follow the regional guidelines (IUCN 2003, 2012a). South Africa uses the internationally endorsed IUCN Red List Categories and Criteria in the Red List of South African plants. This review was completed and the IUCN Red List Categories and Criteria (version 3.1) are now published List of Threatened Animals. List of Threatened Animals. Reduction in population size based on any of the following: 1. Red List Criteria Summary Sheet. This review was completed and the IUCN Red List Categories and Criteria (version 3.1) are now published The threatened species categories used in Red Data Books and Red Lists have been in place for almost 30 years. Since then it has been used as the standard for global Red List assessments published on the IUCN Red List of Threatened SpeciesTM.It is also used alongside the Guidelines for Application The purpose of this system is to highlight those species that are most urgently in need of conservation action. It uses a set of quantitative criteria to evaluate the extinction risk of thousands of species. The IUCN Red List Categories and Criteria provide an easily and widely understood system for classifying species at high risk of global extinction, so as to focus attention on conservation measures designed to protect them. Seeing Red – lifting the lid on The IUCN Red List: the Red List Categories and Criteria explained. (eds.) Conservation assessments can be carried out using a number of different criteria systems to rank species, but the most widely used system is provided by the IUCN Red List Categories and Criteria, which were developed to assess the threatened status of species through a set of objective quantitative criteria. 2001 IUCN Red List Categories and Criteria (version 3.1) IUCN – SSC Cetacean Specialist Group / 2001 IUCN Red List Categories and Criteria (version 3.1) EXTINCT (EX) A taxon is Extinct when there is no reasonable doubt that the last individual has died.