EndangeredSpecies: Endangered and Threatened Species

EndangeredSpeciesR Documentation

Endangered and Threatened Species

Description

Frequency of taxon groups on the U.S. Fish and Wildlife Service list of endangered and threatened species (2002).

Usage

EndangeredSpecies

Format

A data frame with 11 observations on the following 2 variables.

taxon

a character vector

num.species

a numeric vector

Source

U.S. Fish and Wildlife Service. 2001. Number of U.S. listed species per calendar year.

References

http://www.fws.gov/endangered/

Examples


str(EndangeredSpecies)
EndangeredSpecies


kmiddleton/abd documentation built on April 24, 2024, 12:17 p.m.