
This function computes the quadratic mean diameter of a sample plot.
qmd(tph = tph, gha = gha)
Returns the quadratic mean diameter (in cm) for a given plot.
is tree density, in trees/ha;
is basal area, in m2/ha
Christian Salas-Eljatib.
#using the function
qmd(tph=1023, gha=50)
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