biometrics (version 1.0.3)

standtabRoble: Stand table for Nothofagus obliqua (roble) secondary forests

Description

Average stand table for secondary forests of Nothofagus obliqua (roble) forests, between 40 and 50 years-old, in the Malleco, Cautín, and Valdiva provinces in southern Chile.

Usage

data(standtabRoble)

Format

The data has the following columns

diam.cl

Diameter class, in cm.

nha

Density for the respective diameter class, in trees/ha.

References

• Puente M, C Donoso, R Peñaloza, E Morales. 1979. Estudio de raleo y otras técnicas para el manejo de renovales de raulí (Nothofagus alpina) y roble (Nothofagus obliqua). Etapa I: Identificación y caracterización de renovales de raulí y roble. Informe de convenio No. 5, Proyecto CONAF/PNUD/FAO-CHI/76/003, Santiago, Chile. 88 p.

Examples

data(standtabRoble)
df<-standtabRoble
df<-df[-nrow(df),]
# Diameter distribution plot 
barplot(df$nha, legend = TRUE, beside = TRUE, las=1,
        names.arg = df$diam.cl,
        ylab="Density (trees/ha)",xlab="Diameter class (cm)")
abline(h=0)