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These are tree-level variables for several species in Canada.
biomass
tree number.
species common name.
diameter at breast height, in cm.
total height, in m.
total biomass, in kg.
stem biomass, in kg.
branches biomass, in kg.
foliage biomass, in kg.
data(biomass) head(biomass) tapply(biomass$totbiom,biomass$spp,summary)
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