Iucn red list categories Species listed as Critically Endangered species - IUCN, Conservation, Extinction: One of the most well-known objective assessment systems for declining species is the approach unveiled by the International Union for Conservation of Nature (IUCN) in 1994. Learn how the IUCN Red List classifies species at high risk of global extinction into nine categories, from Not Evaluated to Extinct. They provide information about the status of species per region or country. The IUCN Red List Categories indicate how close a species is to becoming extinct. Updated Guidelines for the Application of IUCN Red List of Ecosystems Categories and Criteria Now Available The updated IUCN Red List of Ecosystems Guidelines provides enhanced global standards for ecosystem risk assessment MORE. ver . If the criteria are used on their own to assess non-endemic species at regional or national levels, this could result in incorrect or even misleading assessments. Red List Criteria Summary Sheet. Reasons for Changing Category; Raw Data to Red List; Measuring Recovery with the IUCN Green Status of Species; Assessment Petitions; The Species Threat Abatement and Restoration (STAR) Metric; IUCN 2025. Note that in 2007, Table 7 included species that were removed from the Red List for The IUCN Red List Categories and Criteria were first published in 1994 following six years of research and broad consultation (IUCN 1994). It contains explicit criteria and categories to classify the conservation status of individual species on the basis of their 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. Language versions issued separately. 152 first_pages. It provides a globally accepted standard with which to measure the conservation status of species over time. Download IUCN Red List brochure. The assessment of many species for the 1996 Red List drew attention to certain areas of difficulty, which led IUCN to initiate a review of the 1994 categories and criteria, which was undertaken during 1998 to 1999. e. providing information that can guide actions taken to conserve biological diversity. It divides species into nine categories: Not Evaluated, Data Deficient, Least Group Scientific name Common name IUCN Red List (2023) Category IUCN Red List (2024) Category Reason for change Red List version REPTILES Stichophanes ningshaanensis Ningshaan Kukri Snake DD NT N 2024-1 REPTILES Testudo hermanni Hermann's Tortoise NT VU G 2024-1 REPTILES Thermophis baileyi Xizang Hot-spring Keel-back NT EN N 2024-1 Reasons for Changing Category; Raw Data to Red List; Measuring Recovery with the IUCN Green Status of Species; Assessment Petitions; The Species Threat Abatement and Restoration (STAR) Metric; IUCN 2024. It provides information about range, population size, habitat and ecology, use and/or trade The IUCN Red List categories and criteria are designed to be applied to the entire, or global, range of a species. <https://www. In addition to the international Red List, regional and national Red Lists have also been compiled. However, there are still some taxa that were last assessed in 1996-2000; these assessments used the IUCN Red List Categories and Criteria. Version 2024-2. The Standards and Petitions Committee has developed and regularly updated, the Guidelines for Using the IUCN Red List Categories and Criteria, which gives detailed and specific guidance on the correct use of the IUCN Red List Categories and Criteria. It is also used alongside the Guidelines for Application iii Preface The first edition of the IUCN Red List Categories and Criteria: Version 3. Critically endangered species means a species numbers have decreased, or will decrease by 80% within three generations. This publication explains the assessment system, criteria and documentation requirements for the IUCN Red List of Threatened Species. These experts have cumulatively participated in over 50 meetings Reasons for Changing Category; Raw Data to Red List; Measuring Recovery with the IUCN Green Status of Species; Assessment Petitions; The Species Threat Abatement and Restoration (STAR) Metric; IUCN 2024. IUCN Red List Categories and Criteria at regional levels. The nine Red List Categories are shown below: Species are assessed against five criteria (see below) based on geographic range, population size and population decline/increase, in addition to extinction probability analyses. It provides the criteria, definitions, and documentation Learn how the IUCN Red List system classifies species according to their extinction risk using explicit and objective criteria. This document, The Red Data Book categories provide an easily and widely understood method for highlighting those species under higher extinction risk, so as to focus attention on conservation measures The threatened species categories used in Red Data Books and Red Lists have been in place for almost 30 years. Species changing IUCN Red List Category for genuine reasons . IUCN Red List Category and Criteria - & Assessment . Version 3. The Red Data Book categories provide an easily and widely understood method for highlighting those species under higher extinction risk, so as to focus attention on conservation measures designed to protect them. Download the official document that explains how to use the IUCN Red List of Threatened Species categories and criteria. drawing attention to the magnitude and importance of threatened biodiversity The IUCN Red List Categories and Criteria were first published in 1994 following six years of research and broad consultation (IUCN 1994). The IUCN Red List of Ecosystems Categories and Criteria are designed to be widely applicable across ecosystem types and geographical areas, transparent and scientifically rigorous, and easily understood by policy makers and the public. Far more than a list of species and their status, it is a powerful tool to inform and catalyse action for biodiversity conservation and policy change, critical to protecting the natural resources we need to survive. 1 impact of the The IUCN Red List of Threatened Species 2017–2020. the rigorous IUCN Red List Categories and Criteria, ensuring the highest standards of scientific documentation, information management, expert review, and justification. By 2024, 157,000 species had been assessed by using the IUCN Red List categories and criteria. Recognizing the underdeveloped scientific basis for these 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 nine Red List Categories are shown below: by the current IUCN Red List categories in a way that is informative for conservation. This publication explains the latest version of the classification system adopted in 2001 and its applications. Find out the latest news, data and actions to protect biodiversity based on the Red List information. This document provides guidelines to the application of version 3. . The IUCN Red List is a critical indicator of the health of the world’s biodiversity. The IUCN Red List Categories and Criteria were first published in 1994 following six years of research and broad consultation (IUCN 1994). Five Key Messages IUCN A membership Union founded in 1948, uniquely composed of both government and civil society IUCN gratefully acknowledges the dedication and efforts of the hundreds of scientists and practitioners who have contributed to the scientific development and practical testing of the IUCN Red List of Ecosystems Categories and Criteria since 2008. Since their introduction these categories have become widely recognised internationally, and they are now used in a whole range of publications and 14. These criteria determine which category The following documents provide further detail for the IUCN Red List assessment process and guidance for Red List practitioners. 1. SUMMARY OF THE FIVE CRITERIA (A-E) USED TO EVALUATE IF A TAXON BELONGS IN AN IUCN RED LIST THREATENED CATEGORY (CRITICALLY ENDANGERED, ENDANGERED OR VULNERABLE). The IUCN Red List Categories and Criteria have several specific aims: • to provide a system that can be applied consistently by different people; • to improve objectivity by providing users with clear guidance on how to Steering Committee to develop a more objective approach. 1 Year Published: 2015 Date Assessed: April 27, 2014 Justification: The Malayan Tiger qualifies for listing as Critically Endangered (CR) under criterion C1 because the best 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. BirdLife coordinates the assessment of the status of the world's birds using these categories and criteria and, as the official Red Listing Authority for birds for the IUCN Red List IUCN Red List of Ecosystems Categories and Criteriasince 2008. When a disagreement about the listing of a particular species on the IUCN Red List leads to a The threatened species categories used in Red Data Books and Red Lists have been in place for almost 30 years. Examples of not yet 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. To assess the predictive power of correlations between genetic diversity and IUCN Red List status in vertebrates, we synthesized previous work and reanalyzed data sets based on 3 types of genetic data: mitochondrial DNA, microsatellites, and whole genomes Reasons for Changing Category; Raw Data to Red List; Measuring Recovery with the IUCN Green Status of Species; Assessment Petitions; The Species Threat Abatement and Restoration (STAR) Metric; IUCN 2024. For this purpose, more than 160 assessors have been trained on global standard Red List assessment guideline Reasons for Changing Category; Raw Data to Red List; Measuring Recovery with the IUCN Green Status of Species; Assessment Petitions; The Species Threat Abatement and Restoration (STAR) Metric; IUCN 2024. 1 Reasons for Changing Category; Raw Data to Red List; Measuring Recovery with the IUCN Green Status of Species; Assessment Petitions; The Species Threat Abatement and Restoration (STAR) Metric; IUCN 2024. Year published. 1) are now published IUCN 2024. VII People all over the world are becoming increasingly aware of the growing challenges facing our future and of the vital links between the natural world and human Summary results of subpopulation assessments and global assessment for all IUCN Red List Criteria, and the final listings for each subpopulation and global population. For the first time, all species of scombrids (tunas, bonitos, mackerels and Spanish mackerels) and billfishes (swordfish and marlins) have been assessed for the IUCN Red List of Threatened Species™. To allow for occasional changes in Based on the hypothesis that ecosystem risk is a function of the species that compose them, their interactions, and the ecological processes they depend on, the IUCN Red List of Ecosystems protocol includes five criteria for assessing the risk of ecosystem collapse:. This publication provides the latest version of the system and its application guidelines. The IUCN Council adopted the new Red List system in 1994. This report captures the highlights of the conservation impact of The IUCN Red List of Threatened Species over the 2017–2020 quadrennial. 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 IUCN Red List Threat Category PMS Red Green Blue HTML Colour Not Applicable (NA) 401 193 181 165 #C1B5A5 Not Evaluated (NE) White 255 255 255 #FFFFFF Data Deficient (DD) 441 209 209 198 #D1D1C6 Least Concern (LC) 360 96 198 89 #60C659 Near threatened (NT) 381 204 226 38 #CCE226 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. Extinct in the wild (EW): Known distinctly to make due in bondage, or as a naturalized populace outside its notable reach. Assessment Information Red List Category & Criteria: Critically Endangered C1+2a(i) ver 3. There are eight The Red Data Book categories provide an easily and widely understood method for highlighting those species under higher extinction risk, so as to focus attention on conservation measures designed to protect them. Such assessments, which take into account the world-wide distribution range of a species, are known as global assessments and are included in the IUCN's international Red List of Threatened Species. The 1994 IUCN Categories and Criteria were developed to improve objectivity and transparency in assessing the conservation status 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. Following are the 9 categories in the IUCN red list: Extinct (EX): No realized people remaining. 2001 IUCN Red List Categories and Criteria version 3. In the Netherlands, Red Lists The IUCN Red List Categories and Criteria were first published in 1994 following six years of research and broad consultation (IUCN 1994). 1 was published in 2001, after its formal adoption by the IUCN Council in February 2000. This second edition of the IUCN Red List Categories and Criteria: Version 3. Assessment Information in detail. 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. These Guidelines assist correct implementation of the IUCN Red List of Ecosystems Categories and Criteria by providing iii Preface The first edition of the IUCN Red List Categories and Criteria: Version 3. Each species assessed is assigned to one of eight different categories (Extinct, Extinct in the Wild, Critically Endangered, Endangered, 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. To all we are most indebted. 2008). This review was completed and the IUCN Red List Categories and Criteria (version 3. This document, incorporating changes recommended by 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. This quick-reference sheet presents all of the IUCN From title page: IUCN Red List Categories as approved by the 40th meeting of the IUCN Council, 30 November 1994. The IUCN Red List brings into focus the ongoing decline of Earth’s biodiversity and the influence humans have on life on the planet. The IUCN Red List Categories and Criteria have several specific aims: • to provide a system that can be applied consistently by different people; • to improve objectivity by providing users with clear guidance on how to The threatened species categories used in Red Data Books and Red Lists have been in place for almost 30 years. Year last seen. This latest version of the classification system was adopted by the IUCN Council in February 2001 and reflects comments 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. IUCN (2001) IUCN Red List Categories and Criteria: version 3. All of the world’s species fall into one of nine IUCN Red List Categories based on five criteria (A-E) linked to population trend, population size, and geographic range (Figure 1). Endangered (EN): High The IUCN Red List Categories and Criteria were first published in 1994 following six years of research and broad consultation (IUCN 1994). Since then it has been used as the standard for global Red List assessments published on the IUCN Red List of Threatened SpeciesTM. These ex perts have cumulatively participated in nearly 50 meetings and workshops in more than 20 countries around the world, as well as submitted comments and suggestions remotely. The IUCN Red List of Ecosystems is the global standard for ecosystem risk assessment and a framework for monitoring the status of the world’s ecosystems. IUCN 2024. It divides species into nine categories: Not Evaluated, Data Deficient, Least 11. 1. More than half of all mangrove ecosystems at risk of collapse by 2050, first global assessment finds 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. 1 of the categories and criteria, and in so doing addresses many of the issues raised in the process of reviewing the Reasons for Changing Category; Raw Data to Red List; Measuring Recovery with the IUCN Green Status of Species; Assessment Petitions; The Species Threat Abatement and Restoration (STAR) Metric; IUCN 2024. In 2021, the 2017-2020 IUCN Red List quadrennial report was made available on the Red List website. It divides species into nine categories: Not Evaluated, Data Deficient, Least Guidelines for Using the IUCN Red List Categories and Criteria The Guidelines for Using the IUCN Red List Categories and Criteria are regularly updated: the current version is version 16 (March 2024) . Assessor(s) The version of the Red List Categories and Criteria used for the assessment. 25) that “Requests the SSC, within available Reasons for Changing Category; Raw Data to Red List; Measuring Recovery with the IUCN Green Status of Species; Assessment Petitions; The Species Threat Abatement and Restoration (STAR) Metric; IUCN 2024. The IUCN Red List Categories and Criteria have several specific aims: • to provide a system that can be applied consistently by different people; • to improve objectivity by providing users with clear guidance on how to occurrence) or the occupied range area (i. The IUCN Red List List of Threatened Animals. Version 3. They should be consulted prior to assessing any species for the Red List. The IUCN Red List Categories and Criteria were developed for assessing extinction risk at the global level, considering the global population of a taxon. The IUCN Red List Categories 450 Criteria 452. IUCN Red List 2017-2020 Report. This is version 2. The role of RLAs is to ensure that all species within their remit are correctly assessed The IUCN Red List of Ecosystems Categories and Criteria are designed to be widely applicable across ecosystem types and geographical areas, transparent and scientifically rigorous, and easily understood by policy makers and the public. Red List Index (RLI) The Red List Index (RLI) shows trends in overall extinction risk for species, and is used by governments to track their progress towards targets for reducing biodiversity loss. 1, which provides all the details you need to know and understand to be able to apply the Red List Criteria appropriately. It divides species into nine categories: Not Evaluated, Data Deficient, Least Concern, Near Threatened, Vulnerable, Endangered, Critically Endangered, Extinct in the Wild and Extinct. iucnredlist. IUCN has been working in Nepal since the 1960s. The IUCN Red List categories and criteria are designed to be applied to the entire, or global, range of a species. Among the world’s 35 global biodiversity hotspots (GBH), four (Himalayas, Indo-Burma, Sundaland and Western Ghats) fall in the Indian geo-political The IUCN Red List Categories and Criteria: Comparison between versions 2. IUCN Red List Version IUCN Red List Publication Date Submissions Target Date; 2025-1: 27th March, 2025: 2nd January, 2025: 2025-2: To be confirmed: To be confirmed The IUCN Red List of Ecosystems Categories and Criteria are designed to be widely applicable across ecosystem types and geographical areas, transparent and scientifically rigorous, and easily understood by policy makers and the public. This latest version of the classification 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. South Asian Primates. 1 AND at least one of C1 or C2 C2. Since their introduction these categories have become widely recognised internationally, and they are now used in a whole range of publications and 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. Of the 61 known completed and the IUCN Red List Categories and Criteria (version 3. Species in the Vulnerable, Endangered and Critically Endangered categories are collectively described as ‘threatened’ with extinction. The IUCN Red List Reasons for Changing Category; Raw Data to Red List; Measuring Recovery with the IUCN Green Status of Species; Assessment Petitions; The Species Threat Abatement and Restoration (STAR) Metric; IUCN 2025. According to the IUCN, the Red List goals include:. In 2021, the IUCN Global Ecosystem Typology completed the Reasons for Changing Category; Raw Data to Red List; Measuring Recovery with the IUCN Green Status of Species; Assessment Petitions; The Species Threat Abatement and Restoration (STAR) Metric; IUCN 2024. Categories • Species are classified by the IUCN Red List into nine groups, set through criteria such as rate of decline, population size, area of geographic distribution, and degree of population and distribution fragmentation. The IUCN red list was established to educate the public and policymakers on the urgent conservation issues that face us today. Prior to Red List version 2022-2, IUCN used a scoring scheme to quantify the impact of these variables and reported them in the Threats section of each assessment. v List of Abbreviations ARROS Amphibian & Reptile Research Organization of Sri Lanka BDS Biodiversity Secretariat BEAR Biodiversity Education & Research Organization CABRE Center for Our resources share the knowledge gathered by IUCN’s unique global community of 17,000+ experts. IUCN red list of threatened species. The general aim of the system is to provide an explicit, objective framework for the classification of the broadest range of species according to their extinction risk. Most assessments published on The IUCN Red List use the IUCN Red List Categories and Criteria. Categories Species are classified by the IUCN Red List into nine groups, set through criteria such as rate of decline, population size, area of geographic distribution, and degree of population and distribution The IUCN Red List is a critical indicator of the health of the world’s biodiversity. : ill. The IUCN Nepal country office was formally opened in 1995 in close association with the Ministry of Finance. There are eight IUCN Red List Categories based on criteria linked to population trend, size and structure, and geographic range. Date assessed. The categories and their meanings are as follows: Not Evaluated (NE) Several species are categorized as Not Evaluated. Of Steering Committee to develop a more objective approach. The Netherlands’ Red Lists. Critically endangered (CR): Extremely high danger of eradication in nature. Further information. Action – hundreds of conservation projects all over the world. Recognizing the need for coherent guidelines for the application of IUCN Red List Categories at regional levels, the First World Conservation Congress held in Montreal in 1996, adopted a resolution (WCC Res. The 1994 IUCN Categories and Criteria were developed to improve objectivity and transparency in assessing the conservation status of 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. India has 2. Regional assessments. With the collaborative efforts of governments, business and civil society, using nine categories Critically Endangered (CR), Endangered (EN) and Vulnerable (VU) species are considered to be The IUCN Red List of Threatened Species™ has been assessing the conservation status of plants, following the latest Red List categories and criteria guideline. A) Reduction in geographic distribution, 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. 1) are now published (IUCN 2001, 2012b). It provides information about range, population size, habitat and ecology, use and/or trade The IUCN Red List assigns a specific category to each of the evaluated species. org> ISSN 2307-8235. 1 (2001) All new assessments and reassessments for publication on The IUCN Red List must use the IUCN Red List Categories and Criteria. Guidelines for Using the IUCN Red List Categories and 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. IUCN, Gland, Switzerland and Cambridge, UK. Categories of the IUCN Red List Data. The IUCN Red List Categories and Criteria are an objective and widely accepted system for classifying species at high risk of extinction. Russian version published by Ekotsyentr, Karaganda, 1997. To allow for occasional changes in IUCN Red List threat categories and their risk level. The threatened species categories now used in Red Data Books and Red Lists have been in place, with some modification, for almost 30 years. Imprint: Gland : IUCN, 2024. The IUCN Red List of Threatened Species. I) Introduction. Critically Endangered (Cr) is the highest risk category assigned by the IUCN for wild species. Cells shaded red indicate “Threatened” category status according to IUCN Red List Criteria. 1 (IUCN 2001, 2012). Assessor(s) Reasons for Changing Category; Raw Data to Red List; Measuring Recovery with the IUCN Green Status of Species; Assessment Petitions; The Species Threat Abatement and Restoration (STAR) Metric; IUCN 2025. IUCN Red List of Ecosystems Categories and Criteriasince 2008. D. Also available in HTML format. Learn how to classify species at high risk of global extinction using the IUCN Red List system. The 1994 IUCN Categories and Criteria were developed to improve objectivity and transparency inassessing the conservation status 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. It represents the collective efforts of the IUCN Red List Partnership and reports against the ten target Results of the IUCN Red List Strategic Plan (2017-2030). 4% of world’s area with 8% of global biodiversity and is one of the 12 mega diversity countries of the world (Myers et al. This categorization means that the IUCN and its specialists have not yet researched the species and its risk of extinction. 3 (1994) and 3. pdf. To allow for occasional changes in The IUCN Red List is the starting point for conservation action. There are eight IUCN Red List Categories based on criteria linked to population the rigorous IUCN Red List Categories and Criteria, ensuring the highest standards of scientific documentation, information management, expert review, and justification. It is An overview of the categories can be found in the IUCN Red List brochure. Key contributors to this process are listed in Appendix 1. 3 of the document. under review by the IUCN SSC Cat Specialist Group. IUCN Red List Categories and Criteria”, as may beupdated from time to time ; 9. 2000; Bapat et al. It is part of the growing toolbox for assessing risks to biodiversity and aims to support conservation, resource use and management decisions by identifying ecosystems most at risk of biodiversity loss. , area of occupancy) as defined by the IUCN Red List Categories and Criteria. • Extinct in the wild (EW) – Known only to survive in captivity, or as a naturalized Guidelines & Brochures — Global Red List Criteria Summary Sheet. In 2014 IUCN adopted the IUCN Red List of Ecosystems Categories and Criteria as the global standard for assessing the status of ecosystems, following two resolutions from IUCN Members. The basis of the IUCN Red List of Ecosystems is the IUCN Red List of Ecosystems Categories and Criteria, a set of eight categories and five criteria that provide a consistent method for assessing the risk of ecosystem collapse. • Extinct (EX) – No known individuals remaining. IUCN RED LIST CATEGORIES. Table 7 (2007-2023) - Species changing IUCN Red List Category each year between 2007 and 2023 (zip file containing separate tables for each year). They include databases, tools, standards, guidelines and policy recommendations. There are three main reasons for creating a distribution map for taxa being assessed for the IUCN Red List: Informing Red List assessments: Distribution maps can help to inform Red List 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. ii+30pp. IUCN Species Survival Commission. By targeting a level of Science – the IUCN Red List of Threatened Species™. URL (link) of redlist assessment or publication. It is also used alongside the Guidelines for Application Red List Authorities Red List Authorities (RLAs) oversee the assessment of species within their remit according to the IUCN Rules of Procedure. This latest version of the classification system was adopted by the IUCN Council in February 2001 and reflects comments Reasons for Changing Category; Raw Data to Red List; Measuring Recovery with the IUCN Green Status of Species; Assessment Petitions; The Species Threat Abatement and Restoration (STAR) Metric; IUCN 2024. Learn about the taxonomic, geographical, and temporal Learn how the IUCN classifies species at high risk of global extinction using a system of threatened species categories and criteria. An observed, estimated, projected or inferred continuing decline AND at least 1 of the following 3 conditions: Number of mature individuals C1. Ensuring that Assessors adhere to the current version of the “Documentation Standards and Consistency Checks for IUCN Red List Assessments and Species Accounts”, as Reasons for Changing Category; Raw Data to Red List; Measuring Recovery with the IUCN Green Status of Species; Assessment Petitions; The Species Threat Abatement and Restoration (STAR) Metric; IUCN 2024. This document explains the system for assessing extinction risk of species using the IUCN Red List of Threatened SpeciesTM. These experts have cumulatively participated in nearly 50 meetings and workshops in more than 20 countries around the world, as well as submitted comments and suggestions remotely. indd VI 13/07/2009 11:27:07. Physical Description: xii, 162p. Most species that move between categories on The IUCN Red List (see the section Reasons for Changing Category) do so because of improved knowledge The IUCN Red List Categories indicate how close a species is to becoming extinct. IUCN Red List Categories. Reasons for Changing Category; Raw Data to Red List; Measuring Recovery with the IUCN Green Status of Species; Assessment Petitions; The Species Threat Abatement and Restoration (STAR) Metric; IUCN 2024. Species listed as Critically The IUCN Red List Categories and Criteria The IUCN Red List Categories and Criteria are the world’s most widely used system for gauging the extinction risk faced by species. 1 retains the same assessment system presented in the first edition. Endemism (according to Steering Committee to develop a more objective approach. In partnership with various government line agencies as well as non-government organisations, our programmes in the country aim to conserve biodiversity to improve and secure livelihoods. All assesments being prepared for publication on The IUCN Red List must use the IUCN Red List Categories and Criteria.
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