Description Usage Format Source References Examples
Tree weights by tree and stand properties.
1 |
data.frame with columns
Original author of the data
Identifier of the forest plot
Altitude above sea level in m
site index of the plot, i.e. expected tree height at age 100, in m
tree age in yr
stocking density
tree diameter at breastheight (1.3m) in cm
tree height in m
stem weight in kg
http://pubs.nrc-cnrc.gc.ca/rp/rpsuppl/x07-194e.RData
Wutzler, T.; Wirth, C. & Schumacher, J. (2008) Generic biomass functions for Common beech (Fagus sylvatica L.) in Central Europe - predictions and components of uncertainty. Canadian Journal of Forest Research, 38, 1661-1675
1 2 3 | data(Wutzler08BeechStem)
plot( log(stem)~dbh, col=author, data=Wutzler08BeechStem)
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