standtabRoble: Stand table for _Nothofagus obliqua_ (roble) secondary...
In biometrics: A Package for Biometrics and Modelling

standtabRoble

R Documentation

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.

Source

The stand table is from Puente et al. (1979), as a part of a study regarding secondary Nothofagus forests in southern Chile.

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)

biometrics documentation built on March 20, 2026, 5:09 p.m.