iucn red list categories and criteria pdf

Iucn Red List Categories And Criteria Pdf

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Between and , the Red List of Ecosystems Thematic Group of the IUCN Commission on Ecosystem Management organized 18 workshops and delivered 17 conferences in 20 countries on 5 continents, directly reaching hundreds of participants.

IUCN Red List

Show all documents Do species conservation assessments capture genetic diversity? Dar, B. Khuroo Pleione 6 1 : 46— IUCN Building on IUCN regional red lists to produce lists of species of conservation priority: A model with Irish bees Two documents were supplied to all participants of the workshop to assist with the interpretation and application of the regional IUCN criteria.

It uses a set of criteria to evaluate the extinction risk of thousands of species and subspecies. These criteria are relevant to all species and all regions of the world. With its strong scientific base, the IUCN Red List is recognized as the most authoritative guide to the status of biological diversity. A series of Regional Red Lists are produced by countries or organizations, which assess the risk of extinction to species within a political management unit. The IUCN Red List is set upon precise criteria to evaluate the extinction risk of thousands of species and subspecies. The aim is to convey the urgency of conservation issues to the public and policy makers, as well as help the international community to try to reduce species extinction. According to IUCN the formally stated goals of the Red List are to provide scientifically based information on the status of species and subspecies at a global level, to draw attention to the magnitude and importance of threatened biodiversity, to influence national and international policy and decision-making, and to provide information to guide actions to conserve biological diversity.

Red List Assessment (as a status review tool)

It discusses their strength as a systematic conservation assessment tool and draws on recent scientific literature to analyse the effectiveness of this tool. It examines the efficacy of assessment teams and considers wider applications of the Red List for protecting species than the criteria were originally designed for. The paper concludes that whilst effective assessments can be difficult to achieve due to these factors, the IUCN Red Lists have played a significant role in raising awareness of threatened species through their rigorous science and continue to inform policy makers from national through to international scales. The IUCN Red List Categories and Criteria were developed for classifying species at high risk of global extinction and as well as being a global system, provides methods of assessment at regional levels for evaluating extinction risk [3]. The IUCN Red List is intended to be easily and widely understood and provides an objective framework [1], based on 8 Red List Categories of threat, from Least Concern to Extinct; linked to criteria based on population trend, size, structure and geographic range [4]. More than 77, species have been assessed [4]. The Red List has become a starting point for scientific research [5] including assessing trends in conservation progress and status [6], [2].

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Version Source: See references above Conservation planning step s when this would be used: This tool would be used at the Review Status step of a species conservation planning exercise. Description of tool use: In this context the Red List Assessment tool would be used as a framework for compiling published and unpublished information on species distributions, threats, habitats, populations, and trends, to determine the species' conservation status as per the IUCN Criteria though this would not necessarily be formalized through the Red List Office. Experience and expertise required to use the tool: An understanding of how the Red List criteria should be applied is essential, and some experience in applying those criteria within a workshop situation is advisable. Online training is available.


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.


Using IUCN criteria to perform rapid assessments of at-risk taxa

It contains explicit criteria and categories to classify the conservation status of individual species on the basis of their probability of extinction. The IUCN system uses a set of five quantitative criteria to assess the extinction risk of a given species. In general, these criteria consider:. After a given species has been thoroughly evaluated, it is placed into one of several categories.

Geographic range size was the most common criterion used in Australia and globally for plant listings.

Все на подиуме воскликнули: - Что. В голосе Беккера слышались извиняющиеся нотки: - Простите, но это определенно осмысленные слова. Они выгравированы очень близко одно к другому и на первый взгляд кажутся произвольным набором букв, но если присмотреться повнимательнее, то… становится ясно, что надпись сделана по-латыни.

IUCN Red List of Threatened Species

Молодой священник, причащавший Беккера, смотрел на него с неодобрением. Ему было понятно нетерпение иностранца, но все-таки зачем рваться без очереди. Беккер наклонил голову и тщательно разжевывал облатку.

АНБ было единственной разведывательной организацией США, освобожденной от обязанности отчитываться перед федеральным правительством. Стратмор нередко пользовался этой привилегией: он предпочитал творить свое волшебство в уединении. - Коммандер, - все же возразила она, - это слишком крупная неприятность, и с ней не стоит оставаться наедине.

 Конечно.

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