Chapter 18 APES

AP Environmental Science

Threatened species- According to the International Union for Conservation of Nature (IUCN)

Species that have a high risk of extinction in the future

Near-threatened species

Species that are very likely to become threatened in the future

Least concern species

Species that are widespread and abundant

Intrinsic value

Value independent of any benefit to humans

Instrumental value

Worth as an instrument or a tool that can be used to accomplish a goal

Provision

A good that humans can use directly

Native species

Species that live in their historical range, typically where they have lived for thousands or millions of years

Exotic species (alien species)

A species living outside its historical range

Invasive species

A species that spreads rapidly across large areas

Lacey Act

A U.S. act that prohibits interstate shipping of all illegally harvested plants and animals

Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES)

A 1973 treaty formed to control the international trade of threatened plants and animals

Red List

A list of worldwide threatened species

Marine Mammal Protection Act

A 1972 U.S. act to protect declining populations of marine mammals

Endangered species

A species that is in danger of extinction within the foreseeable future throughout all or a significant portion of its range

Threatened species- According to U.S. legislation

Any species that is likely to become an endangered species within the foreseeable future throughout all or a significant portion of its range

Convention on Biological Diversity

An international treaty to help protect biodiversity

Edge habitat

Habitat that occurs where two different communities come together, typically forming an abrupt transition, such as where a grassy field meets a forest

Biosphere reserve

Protected area consisting of zones that vary in the amount of permissible human impact