| pspLlancahue {datana} | R Documentation |
Tree locations for a sample plot in the Llancahue experimental forest, near Valdivia, Chile.
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(pspLlancahue)
Format
Contains tree-level variables, as follows:
- tree.code
Tree identificator
- spp.name
Species abbreviation 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.
- spp.ori
Original species abbreviation.
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 despues de un disturbio parcial. Revista Chilena de Historia Natural 83(3): 335-347.
Examples
data(pspLlancahue)
head(pspLlancahue)
tapply(pspLlancahue$dbh,pspLlancahue$spp.name,length)
boxplot(dbh~spp.name, data=pspLlancahue)