datana (version 1.1.2)

pspruca: Tree spatial coordinates in the Rucamanque forest

Description

Tree-level variables and spatial coordinates in a permanent sample plot of 1 ha (100 x 100m) in the Rucamanque experimental forest, near Temuco, Chile.

Usage

data(pspruca)

Format

The data frame contains four variables for the standing-alive trees as follows:

tree

Tree number identification.

spp

Codificación de la especie como sigue: "A. punctatum" es Aextoxicon punctatum, "E. cordifolia" es Eucryphia cordifolia, "G. avellana" es Gevuina avellana, "L. dentata" es Lomatia dentata, "L. philippiana" es Laureliopsis philippiana, "L. sempervirens" es Laurelia sempervirens, "N. obliqua" es Nothofagus obliqua, "P. lingue" es Persea lingue, y "Other" representa a cualquier especie distinta a cualquiera de las ya definidas.

crown.class

Crown class (1: superior, 2: intermediate, 3; inferior)

dbh

diameter at breast-height, in cm

x.coord

Cartesian position at the X-axis, in m

y.coord

Cartesian position at the Y-axis, in m

References

Salas C, LeMay V, Nunez P, Pacheco P, and Espinosa A. 2006. Spatial patterns in an old-growth Nothofagus obliqua forest in south-central Chile. Forest Ecology and Management 231(1-3): 38-46. tools:::Rd_expr_doi("10.1016/j.foreco.2006.04.037")

Examples

data(pspruca)
head(pspruca)
table(pspruca$species)