pspRuca {datana}R Documentation

Tree-level measurements and spatial coordinates in a sample plot in the Rucamanque experimental forest, Temuco, Chile.

Description

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

Usage

data(pspRuca)

Format

The data frame contains four variables as follows:

tree.no

tree number

spp

Species name, "N. obliqua" is Nothofagus obliqua, "A. punctatum" is Aexitocicon puncatatum, etc.

status

1 alive, 0 standing-dead

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

crown.class

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

Source

Data were provided by Dr Christian Salas-Eljatib (Chile). Further details can be found at Salas et al (2006).

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. doi:10.1016/j.foreco.2006.04.037

Examples

data(pspRuca)    
head(pspRuca) 
tapply(pspRuca$dbh,pspRuca$spp,summary)

[Package datana version 1.0.3 Index]