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

species abreviation as follows: AP=Aextocicon puncatatum, EC=Eucryphia cordifolia, GA=Gevuina avellana, LP=Laureliopsis philippiana, LS=Laurelia sempervirens, ND=Nothofagus dombeyi, Ot=Other, PS=Podocarpus saligna

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 June 13, 2025, 1:11 a.m.