Endangered Species Act

Definition

The Endangered Species Act (ESA) is a United States federal law that provides a framework to conserve and protect endangered and threatened species and their habitats. It aims to prevent the extinction of species by identifying, protecting, and recovering imperiled plants and animals.

5 Must Know Facts For Your Next Test

1. The Endangered Species Act was enacted in 1973 and is administered by the U.S. Fish and Wildlife Service and the National Marine Fisheries Service.
2. The ESA requires federal agencies to ensure that their actions do not jeopardize the existence of endangered or threatened species or destroy their critical habitats.
3. The ESA provides for the listing of species as either endangered or threatened, and it prohibits the 'take' of listed species, which includes harming, harassing, or killing them.
4. The ESA mandates the development of recovery plans for listed species, which outline the actions necessary to help the species recover to the point where it no longer needs the protections of the Act.
5. The ESA has been credited with preventing the extinction of numerous species, such as the bald eagle, the grizzly bear, and the gray wolf.

Review Questions

• Explain the key purpose and goals of the Endangered Species Act.
  • The primary purpose of the Endangered Species Act is to conserve and protect endangered and threatened species and their habitats. The Act aims to prevent the extinction of imperiled plants and animals by identifying, protecting, and recovering these species. It requires federal agencies to ensure their actions do not jeopardize the existence of listed species or destroy their critical habitats. The ESA also mandates the development of recovery plans to help species recover to the point where they no longer need the protections of the Act.
• Describe the process of listing a species as endangered or threatened under the Endangered Species Act.
  • The process of listing a species as endangered or threatened under the Endangered Species Act involves a scientific review of the species' status and threats. The U.S. Fish and Wildlife Service or the National Marine Fisheries Service evaluate the species' population size, habitat, and threats to determine if it meets the criteria for listing. If a species is found to be in danger of extinction throughout all or a significant portion of its range, it can be listed as endangered. If a species is likely to become endangered in the foreseeable future, it can be listed as threatened. The listing process requires public input and consideration of economic and social impacts before a final decision is made.
• Analyze the benefits and costs associated with the implementation of the Endangered Species Act.
  • The Endangered Species Act has provided significant benefits by preventing the extinction of numerous species and promoting the recovery of imperiled plants and animals. By protecting critical habitats and prohibiting the 'take' of listed species, the ESA has helped to preserve biodiversity and maintain healthy ecosystems. However, the implementation of the ESA has also come with economic costs, as it can restrict certain land-use activities and development projects that may impact endangered or threatened species. Balancing the conservation needs of species with the economic interests of communities and industries has been a challenge in the application of the Act. Ultimately, the benefits of preserving biodiversity and preventing extinctions must be weighed against the potential economic impacts on businesses and communities.

Related terms

Endangered Species: A species that is in danger of extinction throughout all or a significant portion of its range.

Threatened Species: A species that is likely to become endangered within the foreseeable future throughout all or a significant portion of its range.

Critical Habitat: The geographic area containing features essential to the conservation of an endangered or threatened species.