abd (version 0.2-6)

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.

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

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