Earthworms: Earthworm Diversity and Soil Nitrogen Levels

EarthwormsR Documentation

Earthworm Diversity and Soil Nitrogen Levels

Description

Number of earthworm species and total nitrogen content in the soil in 39 hardwood forest plots.

Usage

Earthworms

Format

A data frame with 39 observations on the following 2 variables.

worm.species

a numeric vector

nitrogen

a numeric vector

Source

Gundale, M.J., W.M. Jolly, and T.H. Deluca. 2005. Susceptibility of a northern hardwood forest to exotic earthworm invasion. Conservation Biology 19: 1075-1083.

References

http://www3.interscience.wiley.com/journal/118701215/abstract

Examples


str(Earthworms)
xyplot(nitrogen ~ worm.species, Earthworms)



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