Appendix D (Table D1). Pearson’s correlation matrix of litter traits at species level and at phylogenetically independent contrasts (italics) (n = 40 species).
|
Litter traits |
|||||||||
Variables |
Total phenolics, TP |
Condensed tannins, CT |
Lignin, LIG |
Nitrogen, N |
Carbon to N ratio, C:N |
Total phenolics to N ratio, TP:N |
Condensed tannins to N ratio, CT:N |
Lignin to N ratio, LIG:N |
Leaf mass per area, LMA |
Toughness, T |
TP |
|
0.52** |
−0.48** |
−0.22 |
0.32* |
0.98*** |
0.54*** |
−0.24 |
0.42** |
0.11 |
CT |
0.57*** |
|
−0.34* |
−0.02 |
0.00 |
0.48** |
0.95*** |
−0.23 |
0.20 |
0.01 |
LIG |
−0.64*** |
−0.18 |
|
−0.31† |
0.30† |
−0.39* |
−0.23 |
0.87*** |
0.21 |
0.42** |
N |
0.03 |
0.02 |
−0.40* |
|
−0.90*** |
−0.42** |
−0.29† |
−0.73*** |
−0.39* |
−0.30† |
C:N |
0.03 |
−0.02 |
0.37* |
−0.94*** |
|
0.50** |
0.25 |
0.67*** |
0.51** |
0.39* |
TP:N |
0.96*** |
0.53*** |
−0.51*** |
−0.24 |
0.29† |
|
0.56*** |
−0.06 |
0.48** |
0.17 |
CT:N |
0.54*** |
0.93*** |
−0.06 |
−0.29† |
0.28† |
0.60*** |
|
0.00 |
0.29† |
0.09 |
LIG:N |
−0.45** |
−0.14 |
0.08*** |
−0.78*** |
0.73*** |
−0.23 |
0.11 |
|
0.36* |
0.45** |
LMA |
0.22 |
0.21 |
0.15 |
−0.32* |
0.38* |
0.31† |
0.31† |
0.27† |
|
0.83*** |
T |
−0.07 |
0.00 |
0.39* |
−0.33* |
0.35* |
0.03 |
0.10 |
0.43** |
0.82*** |
|
Note: Significant correlations are indicated by asterisks (†P < 0.1; *P < 0.05; **P < 0.01; ***P < 0.001).