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- Year the endangered species act became law: 1973
- Purpose of the endangered species act: "[t]o provide a means whereby the ecosystems upon which endangered species and threatened species depend may be conserved, to provide a program for the conservation of such endangered species and threatened species, and to take such steps as may be appropriate to achieve the purposes of [international] treaties and conventions.."
- Approximate number of u.s. Species currently listed as
Threatened or endangered under the endangered species act: 988 endangered, 276 threatened
- Average number of years species have been listed: 15.5
- Average length of time species recovery plans say it will take to recover listed species: 30 to 50 years
- Number of listed species with recovery plans: 1,082
- Number of listed species with designated critical
habitat: 464
- Approximate total acerage of designated critical
Habitat in the united states: 43 million acres
- Ratio by which species with designated critical
Habitat are increasing in number according to analysis of us fish and wildlife service reports: 2 : 1
- Approximate number of habitat conservation plans that have been approved: 405
- Number of species that have been declared "recovered" and delisted under the endangered species act: 15
- Percentage of species that have gone extinct while listed under the endangered species act: 0.58%
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