Basal area (BA) = (22/7)*(DBH/2)2
Tree density = number of tree/ha
Stem density* = number of stem/ha
Relative density = density of one species*100
Sum of density of all species
Relative
frequency = frequency of one species*100
Sum of frequency of all species
Relative
dominance = basal area of one species*100
Sum of BA of all species