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red list index

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red list index

Alkylphenols are a large family of organic compounds used in a wide variety of products, including cleaning products, beauty products, contraceptives, coatings, fragrances, thermoplastics, carbonless copy paper, and agrochemicals. The IUCN Red List of Threatened Species is widely recognised as the most authoritative global assessment of the conservation status of species.. Red Lists are a valuable tool to assist conservation planning and decision making. 2009) This produces an index value that ranges from … An RLI value of 1.0 equates to all species being categorised as 'Least Concern', and hence that none are expected to go extinct in the near future. It has been widely recognised as an important component of the suite of indicators needed to measure progress towards the international target of significantly reducing the rate of biodiversity loss by 2010. Currently, the Index is available for five groups : birds, mammals, amphibians, corals and cycads. After habitat loss and degradation, the leading threats to biodiversity are over-exploitation and invasive alien species. 2010, Highlighted paper biological invasions, Convention on Biological Diversity 2010 Biodiversity Target, environmental legislation, Invasive alien species, Red List Index, Species richness Read More Our World in Data is free and accessible for everyone. UNEP-WCMC delivers analysis and interpretation of data and information about biodiversity, in engaging and accessible ways. The RLIs were bootstrapped to track statistically significant changes. Extinction is a key measure of biodiversity loss that has resonance with the public and decision makers, and that has clear relevance to The IndexOf(T) method overload searches the list from the beginning, and finds the first occurrence of the string. Focal area: Status and trends of the components of biological diversity. In April 2002 at the Convention on Biological Diversity (CBD), 188 Nations committed themselves to actions to: “… achieve, by 2010, a significant reduction of the current rate of biodiversity loss at the global, regional and national levels…” The RLI has been adopted by the CBD as one of the indicators to measure progress towards this important target, and specifically to monitor changes in threat status of species. The IUCN Red List is a critical indicator of the health of the world’s biodiversity. Conservation assessments of species are often compiled together in what are called Red Lists. The overall risk of extinction among Europe's birds has generally been on the rise over the last decade. APEs are in cleaning products that end up in waterways from wastewater treatment effluent. Our World In Data is a project of the Global Change Data Lab, a registered charity in England and Wales (Charity Number 1186433). The Red List Index (RLI) is a measure of trends in survival probability (the inverse of extinction risk) for sets of species. While this might sound straightforward the fact is, sometimes it can be difficult to get accurate disclosure information about ingredients from your component suppliers. A Red List Index (RLI) can provide a measure of the rate of biodiversity loss, and whether this rate is being reduced or is increasing. Red List Inde x (rli) - Calculates the Red List Index (RLI) for a group of species. The Red List Index shows trends in the overall threat status of European species. International Union for Conservation of Nature (IUCN) is an international organization (NGO) working in the field of nature conservation and sustainable use of natural resources. You have the permission to use, distribute, and reproduce in any medium, provided the source and authors are credited. 4 Short Overview of Indicator Title: Red List Index for National species. Here, -1 means the last element, -2 means the penultimate and so forth. The database compiles all the categories of cultural goods illustrated in the ICOM Red Lists. In addition, it will help to develop a better understanding of which taxonomic groups, realms or ecosystems are deteriorating the most rapidly, why species are threatened, where they are threatened, what conservation actions exist and which actions are needed. The RLI value is calculated by multiplying the number of species in each red list category by the category weight (0 for LC, 1 for NT, 2 for VU, 3 for EN, 4 for CR and 5 for EX) these products are summed, divided by the maximum possible product (number of species multiplied by the maximum weight of 5) and subtracted from one (Bubb et al. It defines the conservation status of major species groups, and measures trends in extinction risk over time. The index is zero-based, so 0 means the first element, 1 the second element and so on. European indicator headline: Change in status of threatened and/or protected species. Some alkylphenols, especially nonylphen… Returns the element at index index in the list stored at key. Specifically the index relates to the proportion of species expected to remain extant in the near future in the absence of additional conservation action. For the first time ever, the International Union for Conservation of Nature Red List Index for habitat types was calculated for an entire country, Finland. It compares the way the overall extinction risk of 17 of its target mammal, bird and amphibian species has changed to a theoretical scenario in which conservation has not taken place. Linguee. 2004, Butchart et al. The Red List Index uses information from the IUCN Red List to track trends in the projected overall extinction risk of sets of species. IMPORTANT NOTE: A Red List is NOT a list of actual stolen objects. The International Union for Conservation of Nature (IUCN) 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 Red List Index (RLI) is a measure of trends in survival probability (the inverse of extinction risk) for sets of species. License: All of Our World in Data is completely open access and all work is licensed under the Creative Commons BY license. Translate texts with the world's best machine translation technology, developed by the creators of Linguee. The SRLI is based on a representative sample of species selected from taxonomic groups within animals (invertebrates and vertebrates), fungi and plants. Producing indices of change in extinction risk by comprehensively assessing whole species groups, while feasible for well studied groups with relatively few species, is not suitable for all taxonomic groups. The Red List Index (RLI) defines the conservation status of major species groups, and measures trends in the proportion of species expected to remain extant in the near future without additional conservation action. IUCN Red List Index 3 PURPOSE The IUCN Red List Index (RLI) measures trends in the overall extinction risk (‘conservation status’) of sets of species, as an indicator of trends in the status of biodiversity. Summary of 2006 IUCN Red List categories. Examples. the Red List has evolved to become the world’s most comprehensive information source on the extinction risk of species. Most concerns are focused on alkylphenol ethoxylates (APEs), which bioaccumulate and have been shown to cause endocrine disruption in fish. The Red List Index. It is used by government Translator. The 'IUCN' Red List is a global list of threatened and endangered species. A List of strings is created, with one entry that appears twice, at index location 0 and index location 5. The Red List Index (sampled approach) (SRLI) has been developed in order to determine the threat status and also trends of lesser-known and less charismatic species groups. They … 'IUCN' Red List () client. Negative indices can be used to designate elements starting at the tail of the list. Assessing every species in the larger and lesser known groups which comprise the majority of the world’s biodiversity, such as fungi, invertebrates (particularly insects) and plants, is not practical. The IUCN Red List Inde x (RLI) (Butchart et al. The Red List Index (RLI), based on the IUCN Red List of Threatened Species, is an indicator of the changing state of global biodiversity. Established in 1964, The International Union for Conservation of Nature’s Red List of Threatened Species has evolved to become the world’s most comprehensive information source on the global conservation status of animal, fungi and plant species. developed in order to determine the threat status and trends of lesser-known and less charismatic species groups The aim is to provide policy makers, resource managers, scientists, educators, conservation practitioners and the general public with more thorough knowledge of biodiversity change and further tools with which to make informed decisions. Open menu. The following example demonstrates all three overloads of the IndexOf method. As well as taxonomic groups, RLIs can show trends in extinction risk according to biogeographic realm, habitat type, and dominant threat process. , and reproduce in any medium, provided the source and authors are.! Is completely open access and all work is licensed under the Creative Commons license. 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