datana (version 1.0.6)

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.no

tree number

species

Species name, "N. obliqua" is Nothofagus obliqua, "Ap" is Aexitocicum puncatatum, etc.

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)