安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- IUCN Red List of Threatened Species
2025-1 Red List: more than 1,000 fungi species now on the Red List highlight threats from deforestation, agriculture and urban development Frankincense trees face increasing extinction risk, and more than 100 Green Status assessments show the impact of conservation efforts
- IUCN Red List of Threatened Species
Currently, there are more than 169,000 species on The IUCN Red List, with more than 47,000 species threatened with extinction, including 44% of reef building corals, 41% of amphibians, 38% of trees, 37% of sharks and rays, 34% of conifers, 26% of mammals, 26% of freshwater fishes and 12% of birds
- IUCN Red List of Threatened Species
2025-1 Red List: more than 1,000 fungi species now on the Red List highlight threats from deforestation, agriculture and urban development Frankincense trees face increasing extinction risk, and more than 100 Green Status assessments show the impact of conservation efforts
- IUCN Red List of Threatened Species
The IUCN Red List records 'last seen' dates for species assessed as Extinct (EX), Extinct in the Wild (EW), and for Critically Endangered species flagged as Possibly Extinct (CR(PE)) or Possibly Extinct in the Wild (CR(PEW))
- IUCN Red List of Threatened Species
This includes an update of overall figures for the number of threatened species, good news stories, and the status of specific groups of species on The IUCN Red List All media enquiries about IUCN Red List updates and press releases are handled by the IUCN Press Centre
- IUCN Red List of Threatened Species
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 second edition of the IUCN Red List Categories and Criteria: Version 3 1 retains the same assessment system presented in the first edition
- IUCN Red List of Threatened Species
The RLI is one way of representing information on the status of biodiversity from The IUCN Red List Complementary measures include the proportion of species that are threatened with extinction (as illustrated, for example, in Díaz et al 2019), and the proportion of species that have declining trends More broadly, the trends in extinction
- IUCN Red List of Threatened Species
The data held on The IUCN Red List includes non-threatened as well as threatened species, and some taxonomic groups have been completely, or almost completely assessed, including mammals, birds, amphibians, freshwater crabs, warm-water reef-building corals, sharks and rays, groupers, wrasses, lobsters, freshwater fishes, cephalapods
|
|
|