APPENDIX D (TABLE D1). Factor loadings derived from principal component analysis (PCA) to characterize ecosystem service providers (ESPs).
| Variables | Factor loadings | |||||||
| F1 | F2 | F3 | F4 | F5 | F6 | F7 | F8 | |
| Flee-floating | -0.485 | -0.577 | 0.146 | -0.257 | 0.249 | -0.171 | 0.163 | -0.162 |
| Anchored, submerged leaves | -0.449 | 0.417 | -0.089 | -0.268 | -0.511 | 0.088 | -0.332 | 0.157 |
| Anchored, emergent leaves | -0.177 | 0.585 | -0.326 | -0.328 | -0.265 | -0.135 | -0.010 | 0.038 |
| Graminoids | 0.203 | -0.075 | -0.016 | 0.683 | 0.436 | -0.136 | -0.265 | 0.148 |
| Helophytes | 0.659 | -0.032 | 0.123 | -0.121 | 0.056 | 0.153 | 0.266 | -0.243 |
| Perennial | 0.478 | -0.003 | 0.152 | -0.488 | 0.123 | -0.288 | -0.339 | -0.144 |
| Plant height | 0.529 | 0.564 | 0.163 | -0.045 | -0.216 | 0.141 | 0.123 | -0.043 |
| Leaf area | 0.516 | 0.170 | -0.061 | -0.264 | 0.148 | 0.426 | -0.222 | -0.016 |
| Leaf texture | 0.549 | -0.276 | -0.238 | -0.403 | 0.191 | 0.021 | 0.070 | 0.093 |
| Physical defenses | 0.461 | 0.262 | -0.438 | 0.280 | 0.232 | -0.260 | 0.033 | -0.062 |
| Rhizome/tubers | 0.572 | 0.098 | 0.400 | 0.028 | 0.076 | 0.090 | -0.416 | -0.021 |
| Stolons | -0.331 | -0.264 | 0.102 | -0.458 | 0.153 | -0.420 | 0.106 | 0.205 |
| Body flexibility | -0.600 | 0.298 | 0.254 | 0.407 | -0.027 | -0.066 | 0.070 | -0.082 |
| Wind dispersion | 0.621 | -0.105 | 0.019 | 0.173 | -0.238 | -0.455 | -0.075 | 0.278 |
| Water dispersion | -0.329 | -0.056 | 0.514 | -0.129 | 0.196 | 0.330 | -0.148 | -0.371 |
| Animal dispersion | -0.197 | 0.521 | -0.397 | -0.259 | 0.528 | 0.026 | 0.099 | -0.035 |
| Dispersule size | 0.052 | 0.615 | 0.502 | 0.203 | 0.209 | -0.119 | 0.125 | 0.011 |
| Dispersule shape | 0.055 | 0.440 | 0.521 | -0.007 | -0.092 | -0.290 | 0.289 | -0.099 |
| Early phenology | -0.127 | -0.072 | 0.250 | 0.007 | 0.186 | 0.504 | 0.128 | 0.688 |
| Vegetative reproduction | -0.088 | 0.072 | 0.567 | -0.318 | 0.151 | -0.276 | -0.255 | 0.259 |
| Flower visually attractive | -0.221 | 0.647 | -0.172 | -0.187 | 0.451 | -0.034 | 0.073 | 0.117 |
| Foliage visually attractive | 0.539 | -0.072 | 0.233 | -0.148 | -0.140 | 0.059 | 0.526 | 0.139 |
| Eigenvalue | 3.932 | 2.806 | 2.100 | 1.967 | 1.497 | 1.388 | 1.152 | 1.018 |
| Variance explained (%) | 17.872 | 12.754 | 9.547 | 8.941 | 6.805 | 6.311 | 5.236 | 4.628 |
| Variance accumulated (%) | 17.872 | 30.625 | 40.172 | 49.113 | 55.918 | 62.228 | 67.464 | 72.092 |