biomass {PASWR}R Documentation

Beech Trees

Description

Several measurements of 42 beech trees (Fagus Sylvatica) taken from a forest in Navarra (Spain).

Usage

biomass

Format

A data frame with 42 observations on the following 4 variables:

Dn
diameter of the stem in centimeters
H
height of the tree in meters
PST
weight of the stem in kilograms
PSA
aboveground weight in kilograms

Source

Gestion Ambiental Viveros y Repoblaciones de Navarra and Gobierno de Navarra, 2006.

References

Ugarte, M. D., Militino, A. F., and Arnholt, A. T. (2008) Probability and Statistics with R. Chapman & Hall/CRC.

Examples

attach(biomass)
plot(log(Dn),log(PSA))
detach(biomass)

[Package PASWR version 1.0 Index]