biomass {datana}

Contains tree-level biomass data for several species in Canada.

Description

Biomass component measurements for sample trees of four species. The species are Balsam fir (Abies balsamea), Black spruce (Picea mariana), White birch (Betula papyrifera), and White spruce (Picea glauca).

Usage

biomass

Format

treenum

Tree number.

spp

Species common name.

dbh

Diameter at breast height, in cm.

height

Total height, in m.

totbiom

Total biomass, in kg.

bolebiom

Stem biomass, in kg.

branchbiom

Branches biomass, in kg.

foliagebiom

Foliage biomass, in kg.

Source

The data are provided courtesy of Prof. Timothy Gregoire at the School of Forestry and Environmental Studies at Yale University (New Haven, CT, USA).

Examples

head(biomass) 
table(biomass$spp)