llancahue: Tree locations for a sample plot in the Llancahue...

In datana: Datasets and Functions to Accompany Analisis De Datos Con R

Tree locations for a sample plot in the Llancahue experimental forest

Description

The Cartesian position, species, and diameter of trees within a plot were measured. The sample plot is rectangular of 130 m by 70 m. Further details can be #' reviewed in the reference.

Usage

data(llancahue)

Format

Contains tree-level variables, as follows:

tree.code

Tree identificator

spp

Tree species abreviation as follows: "AP" is Aextoxicon punctatum, "EC" is Eucryphia cordifolia, "GA" is Gevuina avellana, "LP" is Laureliopsis philippiana, "LS" is Laurelia sempervirens, "ND" is Nothofagus dombeyi, "PS" is Podocarpus saligna, and "Ot" represents other species different from the above described.

dbh

diameter at breast height, in cm.

x.coord

Cartesian position in the X-axis, in m.

y.coord

Cartesian position in the Y-axis, in m.

Source

The data are provided courtesy of Prof. Daniel Soto at Universidad de Aysen (Coyhaique, Chile).

References

• Soto DP, Salas C, Donoso PJ, Uteau D. 2010. Heterogeneidad estructural y espacial de un bosque mixto dominado por Nothofagus dombeyi después de un disturbio parcial. Revista Chilena de Historia Natural 83(3): 335-347.

Examples

data(llancahue)    
head(llancahue) 
descstat(llancahue$dbh)
boxplot(dbh~spp, data=llancahue)

datana documentation built on Aug. 18, 2025, 5:18 p.m.