Grassland: Grassland Diversity

In abd: The Analysis of Biological Data

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.

Usage

data(Grassland)

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

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

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