treedata {forestSAS} | R Documentation |
Sample data for analizing the forest spatial structure.
Description
A sample data of field survey, to help us understanding the method of forest spatial structure analysis.
Usage
data("treedata")
Format
A data frame with 41 observations on the following 11 variables.
tree.id
Specific identification number of trees in the point pattern
x
x coordinates of trees
y
y coordinates of trees
sp.code
Specific code of tree species in the point pattern
dbh.cm
Diameter at breast height (DBH),1.3 m. unit:cm
h.m
Tree height,unit:m
storey
forest storey
crownwid.m
Crown width,unit:m
group
Tree group, which can be divided exotic,pioneer,transtional,climax,5 types
biomass.kg
Tree biomass,unit:kg
quality
Quality of individual trees
References
None
Examples
data(treedata)
[Package forestSAS version 2.0.4 Index]