Table 1-7. Relationships among biomechanical traits of stems and leaves for seedlings of
 eight tree species.
Biomechanical trait r, P

Toughness (J m-2)
 Lamina 0.45 0.092
 Midvein 0.58 0.002
Density (g cm-3) 0.80 < 0.001
% NDF 0.58 0.019
Shown are Spearman correlation coefficients (rs) for tests performed on species means
obtained at each harvest (N=16) and corresponding P values.