Canadian Wildlife Species at Risk 2022 - Canada. ca A category that applies when the available information is insufficient (a) to resolve a species’ eligibility for assessment or (b) to permit an assessment of the species’ risk of extinction Summary tables Wildlife species designated in the "risk" and the Extinct categories, as well as the Not at Risk and Data Deficient categories
The fitness consequences of inbreeding in natural populations . . . Background Threatened species often have small and isolated populations where mating among relatives can result in inbreeding depression increasing extinction risk Effective management is hampered by a lack of syntheses summarising the magnitude of, and variation in inbreeding depression Here we describe the nature and scope of the literature examining phenotypic fitness consequences of
An integrated trait-based framework to predict extinction . . . The Red List's reliability stems from its criteria, which are objective and relatively easy to apply when adequate information is available (IUCN, 2001) These criteria were, however, defined based on the requirements of large vertebrate species, causing the system to be putatively biased towards larger and easily sampled taxa (Cardoso et al , 2011, Régnier et al , 2015, Triantis et al , 2010)
Impacts of global urban expansion on natural habitats . . . This framework proposed the Biodiversity Conservation Goals to reduce the risk of species extinction by 10% and 50% before 2030 and 2050, respectively (CBD, 2021) As the foundation of maintaining biodiversity, protecting natural habitats is critically important for reducing the species extinction risk (T Oliver et al , 2015; CBD, 2020
41% of Amphibians Are Threatened with Extinction As Experts . . . More than 1,000 conservationists and experts worked together to assess 8,011 species of amphibians – vertebrates that inhabit both aquatic and terrestrial habitats – figuring on the Red List of Threatened Species compiled by the International Union for Conservation of Nature (IUCN), the global authority on wildlife extinction risk
Long delays in banning trade in threatened species | Science The IUCN is widely considered to be the global authority on the extinction risk of different species, which it assesses using quantitative criteria and compiles into the Red List The IUCN compiles data on factors that imperil species, such as population declines, habitat loss, and direct harvesting