largetrees: Large trees in forests near Tolga, in Eastern Norway.
| largetrees | R Documentation |
Large trees in forests near Tolga, in Eastern Norway.
Description
The study area is situated in the municipality of Tolga, located in Hedmark County, Eastern Norway. Field plots 32 m × 32 m in size were established in forests. A total of 1109 plots were sampled. In each plot, Scots pines (Pinus sylvestris L.). trees with a stem diameter larger than 35 cm were measured and counted.
Usage
data(largetrees)
Format
Contains two variables, as follows:
- plot
Plot code.
- y
Number of large-diameter trees in a given sample plot.
Source
Although Christian Salas was part of the study, he just reproduced the needed data to mimic the distribution of the random variable of interest, as shown in the study of Korkhonen et al (2016).
References
Korhonen L, Salas C, Ostgard T, Lien V, Gobakken T, Naesset E. 2016. Predicting the occurrence of large-diameter trees using airborne laser scanning. Canadian Journal of Forest Research 46:461–469. \Sexpr[results=rd]{tools:::Rd_expr_doi("10.1139/cjfr-2015-0384")}
Examples
data(largetrees)
head(largetrees)
hist(largetrees$y)
