pspruca {datana} | R Documentation |
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
Source
Data were provided by Dr Christian Salas-Eljatib (Universidad de Chile, Santiago, Chile).
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)
table(pspruca$species)