Table III. Eigenvectors (multiplied by 100) from PCA, based on the high-density field study.

Variable	PC1	PC2	PC3
Stem dry weight	40.90	−16.12	33.23
Root dry weight	27.32	−4.76	35.65
Aboveground volume index	41.67	−13.14	33.68
Stem density	−1.60	43.66	7.97
Midvein angle	25.40	−24.90	−34.21
Petiole angle	24.73	−32.09	−19.88
Branch angle	25.98	3.34	−30.97
Branch length	16.12	24.36	4.10
Crown depth	41.82	−5.60	−5.89
Chlorophyll concentration	−19.03	−43.40	−5.95
Petiole length	31.52	32.85	−5.79
Leaf blade area	18.77	47.44	−29.98
Δ13C	−13.91	11.82	53.70
Percentage variance	27.23%	18.05%	14.60%