Description Usage Format Source References Examples
Number of earthworm species and total nitrogen content in the soil in 39 hardwood forest plots.
1 |
A data frame with 39 observations on the following 2 variables.
worm.species
a numeric vector
nitrogen
a numeric vector
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.
http://www3.interscience.wiley.com/journal/118701215/abstract
1 2 3 | data(Earthworms)
str(Earthworms)
xyplot(nitrogen ~ worm.species, Earthworms)
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