allometry {lgrdata}

Allometry

Description

This dataset contains measurements of tree dimensions and biomass. Data kindly provided by John Marshall, University of Idaho.

Usage

allometry

Format

A data frame with 63 rows and 5 variables:

species

factor The tree species (PSME = Douglas fir, PIMO = Western white pine, PIPO = Ponderosa pine).

diameter

double Tree diameter at 1.3m above ground (cm).

height

double Tree height (m).

leafarea

double Total leaf area (m2)

branchmass

double Total (oven-dry) mass of branches (kg).

Examples

data(allometry)
with(allometry, plot(diameter, height, pch=19, col=species))