Appendix E (Table E1). Principal component analysis of edaphic variables: factor loading matrix.
Parameter |
Axis 1 |
Axis 2 |
Axis 3 |
% Sand |
-0.10 |
0.11 |
0.45 |
% Silt |
0.13 |
-0.15 |
-0.42 |
% Clay |
-0.08 |
0.11 |
0.05 |
OD |
-0.16 |
0.26 |
-0.12 |
Soil Drainage |
0.17 |
-0.28 |
-0.05 |
OM |
0.28 |
0.24 |
-0.28 |
TEC |
0.24 |
0.22 |
0.21 |
pH |
0.02 |
-0.40 |
-0.05 |
BS |
0.02 |
-0.41 |
-0.05 |
C:N |
-0.25 |
0.29 |
0.02 |
C |
0.25 |
0.27 |
-0.28 |
N |
0.35 |
0.08 |
-0.26 |
Ca |
0.27 |
0.11 |
0.23 |
Mg |
0.35 |
0.01 |
0.20 |
K |
0.31 |
0.02 |
0.02 |
Na |
0.19 |
0.12 |
0.19 |
S |
-0.16 |
0.10 |
-0.13 |
P |
-0.02 |
-0.15 |
0.19 |
B |
0.07 |
0.02 |
0.10 |
Fe |
-0.01 |
0.34 |
0.08 |
Mn |
0.25 |
-0.13 |
0.26 |
Al |
0.06 |
0.10 |
-0.23 |
Cu |
0.21 |
0.04 |
0.07 |
Zn |
0.24 |
-0.10 |
0.10 |
Notes: Abbreviations are as follows: organic depth (OD), % organic matter (OM), total exchange capacity (TEC), and % base saturation (BSAT). Primary loading factors are shown in bold.