Dominant Height Model for Site Classification of Eucalyptus grandis Incorporating Climatic Variables

Table 2

Weights of the first four principal components (eigenvalue greater than 1) from the PCA using the environmental data.

Variables	Components
	1	2	3	4
Latitude	0.386	−0.596	−0.446	−0.342
Clay	0.567	−0.695	0.276	0.159
Silt	0.467	−0.446	0.283	0.334
Sand	−0.574	0.696	−0.290	−0.177
Maximum temperature	−0.612	−0.422	−0.480	−0.147
Mean temperature	−0.843	−0.384	0.283	−0.168
Minimum temperature	−0.526	0.093	0.779	0.061
Precipitation	0.438	0.136	0.296	−0.722
Precipitation—sdm	0.540	0.451	0.323	−0.498
PET	−0.822	−0.430	0.283	−0.179
PET—sdm	−0.058	−0.729	−0.032	−0.401
Total variance	3.54	2.79	1.63	1.30
Total variance %	32.21	25.40	14.82	11.82
Accumulated variance	3.54	6.34	7.97	9.27
Accumulated variance %	32.21	57.60	72.42	84.24