abd (version 0.2-8)

Grassland: Grassland Diversity

Description

Species diversity in 10 experimental plots in the Park Grass Experiment at Rothamsted Experimental Station to which varying numbers of nutrients have been added.

Format

A data frame with 10 observations on the following 2 variables.

nutrients

a numeric vector

num.species

a numeric vector

Source

Harpole, W. S. and D. Tilman. 2007. Grassland species loss due to reduced niche dimension. Nature 446: 791-793.

References

http://www.rothamsted.ac.uk/

Examples

xyplot(num.species ~ jitter(nutrients, amount=0.1), Grassland, pch=16)