pinusSpp {datana} | R Documentation |
Tree-level variables of several sample plots of invasive Pinus spp in Chile.
Description
These are tree-lavel measurement data from Pinus spp invasion in Araucaria-Nothofagus forests in
the Malalcahuello National Reserve in La Araucania region in southhern Chile, measured in 2012.
There are 26 plots and plot size is 100 m.
Usage
data(pinusSpp)
Format
Contains 8 variables, as follows:
- plot.id
Plot sample ID.
- plot.size
Plot size, en m
.
- lat.s
Decimal coordinate of S latitude.
- long.w
Decimal coordinate of W longitude.
- indv.id
Tree identificator number in each plot. Same indv/id for multi-stem trees.
- stem.id
Stem identificator number in each plot.
- spp
Specie.
- dbh
Diameter at breast-height, in cm.
- h
Height, in m.
- hcb
Height to crown base, in m.
- crown.lenght
Crown lenght, in m.
- obs
Extra information.
Source
The data are provided courtesy of Drs. Anibal Pauchard and Rafael Garcia at the Laboratorio de Invasiones Biologicas, Universidad de ConcepciĆ³n (Chile).
References
Cobar-Carranza A, Garcia R, Pauchard A, Pena E. 2014. Effect of Pinus contorta invasion on forest fuel properties and its potential implications on the fire regime of Araucaria araucana and Nothofagus antarctica forests. Biological Invasions. 16(11): 2273 - 2291. doi:10.1007/s10530-014-0663-8
Examples
data(pinusSpp)
head(pinusSpp)
length(unique(pinusSpp$plot.id))
boxplot(dbh~plot.id, data=pinusSpp)