Study

IUCN Conservation Categories

  •   0%
  •  0     0     0

  • What does IUCN stand for?
    International Union for the Conservation of Nature
  • What are the three categories that are considered to be threatened?
    Vulnerable, endangered and critically endangered
  • What does a classification of endangered mean?
    Thespecies is facing very high risk of extinction in the wild in the near future.
  • What does a classification of extinct in the wild mean?
    The species is known to survive in cultivation or captivity but surveys have failed to record any individuals in the wild.
  • What does a classification of critically endangered mean?
    The species is facing an extremely high risk of extinction in the wild in the immediate future.
  • How many mature individuals are there remaining in a population that is considered critically endangered?
    Less than 50
  • Why do we want to assign species to a conservation category?
    Categorising species according to their conservation status provides a framework for setting conservation priorities.
  • What is the difference between a species that is classified as 'data deficient' and one that is classified as 'not evaluated'?
    Data deficient = inadequate information to make an assessment of risk of extinction; not evaluated = species hasn't been assessed against criteria
  • What components contribute to the rarity of a species?
    Population size, Geographic range and Specificity of habitat
  • What does a classification of vulnerable mean?
    The species is facing a very high risk of extinction in the wild in the medium-term future.
  • What is the probability of a species going extinct in the next 5 year if it is classified as critically endangered?
    At least 50%