eucaplotsampleh {datana}

A sample plot from a Eucalyptus globulus plantation, with height measurements in a sub-sample of trees.

Description

Data from a sample plot, but height measurements are only available for a sub-sample of trees. The sample plot (500 m^{2} of size) was established in a forestry plantation of Eucalyptus globulus near Gorbea, Southern Chile. The plantation is 15 yr-old and had been subject to three thinnings.

Usage

data(eucaplotsampleh)

Format

The data frame contains four variables as follows:

dbh

Diameter at breast height, in cm.

health

health status (1: good, 2: medium, 3: bad).

shape

stem shape for timber purposes (1: good, 2: medium, 3: bad).

crown.class

Crown class (1: superior, 2: intermedium, 3: lower).

toth

Total height, in m. Only measured in a sub-sample of trees.

Source

The data were provided courtesy of Dr Christian Salas-Eljatib (Chile).

Examples

data(eucaplotsampleh)    
head(eucaplotsampleh)