treevolruca: Tree-level volume by species in the Rucamanque forest

In biometrics: A Package for Biometrics and Modelling

Tree-level volume by species in the Rucamanque forest

Description

These is tree-level measurement data of sample trees in the Rucamanque experimental forest, near Temuco, in the Araucanía region in south-central Chile. Data were measured in 1999.

Usage

data(treevolruca)

Format

Contains tree-level variables, as follows:

tree

Tree number identification.

spp

Tree species common name as follows: "Laurel" is Laurelia sempervirens, "Lingue" is Persea lingue, "Olivillo" is Aextoxicon punctatum, "Tepa" is Laureliopsis philippiana, "Tineo" is Weinmannia trichosperma, y "Ulmo" is Eucryphia cordifolia.

dbh

Diameter at breast height, in cm.

toth

Total height, in m.

d6

Upper-stem diameter at 6 m, in cm.

totv

Tree gross volume, in m³ with bark.

Source

The data were provided courtesy of Dr. Christian Salas-Eljatib, Universidad de Chile (Santiago, Chile).

References

• Salas C. 2002. Ajuste y validación de ecuaciones de volumen para un relicto del bosque de Roble-Laurel-Lingue. Bosque 23(2): 81-92. \Sexpr[results=rd]{tools:::Rd_expr_doi("10.4067/S0717-92002002000200009")} https://eljatib.com/publication/2002-07-01_ajuste_y_validacion_/

Examples

data(treevolruca)
head(treevolruca)
table(treevolruca$spp)

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