EndangeredSpecies: Endangered and Threatened Species

In abd: The Analysis of Biological Data

Description

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

Usage

data(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/wildlife.html

Examples

data(EndangeredSpecies)
str(EndangeredSpecies)
EndangeredSpecies

abd documentation built on May 2, 2019, 4:46 p.m.