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Table 5 Component matrix showing three factor models for sampling sites
| Elements | PC1 | PC2 | PC3 |
|---|---|---|---|
| S1 | −1.112 | 0.205 | −0.218 |
| S2 | 0.009 | −1.544 | −0.685 |
| S3 | −1.046 | 1.295 | −0.125 |
| S4 | 0.265 | −1.428 | −2.137 |
| S5 | 0.228 | −1.310 | −1.138 |
| S6 | 0.583 | −0.505 | 0.256 |
| S7 | −1.301 | 0.151 | −0.555 |
| S8 | 0.031 | 0.496 | 1.546 |
| S9 | 0.410 | −0.745 | 0.816 |
| S10 | 1.192 | 0.417 | 0.230 |
| S11 | 0.860 | −0.114 | 0.992 |
| S12 | 1.364 | 2.730 | −1.984 |
| S13 | −1.183 | 1.002 | 0.117 |
| S14 | 1.071 | 0.337 | 1.380 |
| S15 | 0.349 | −0.050 | −0.237 |
| S16 | 0.816 | −0.283 | 0.060 |
| S17 | 0.750 | −0.442 | 0.952 |
| S18 | −1.536 | −0.157 | 0.194 |
| S19 | −1.751 | −0.054 | 0.535 |
