Note: This is the 1997 edition of UNEP's Global Environment Outlook. If you are interested in more recent information, please see the 2000 and 2002 editions.

Figure 2.20. Percentage of known species threatened in North America, 1990s.

Source:
IUCN (1993); WCMC (1992, 1994, 1995).
Notes:
The number of threatened species listed for all countries includes full species that are classified by the World Conservation Union (IUCN) as endangered, vulnerable, rare, and indeterminate, but excludes introduced species, species whose status is insufficiently known, or those known to be extinct.