Table 2.
Results of db-RDA analyses of phylogenetic and taxonomic turnover versus environmental variables among 41 one-hectare plots in Ecuadorian Amazon
| Phylogenetic turnover | Taxonomic turnover | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Environmental variables | df | Sum of squares | F | Pr(> F) | df | Sum of squares | F | Pr(> F) | |
| dem0.5 km | 1 | 0.29186 | 36.680 | 0.001 | dem0.5 km | 1 | 0.8971 | 38.671 | 0.001 |
| dem5km | 1 | 0.08750 | 10.996 | 0.328 | dem5km | 1 | 0.2859 | 12.323 | 0.189 |
| dem50km | 1 | 0.10677 | 13.419 | 0.183 | dem50km | 1 | 0.2689 | 11.590 | 0.245 |
| Orgmat | 1 | 0.13033 | 16.379 | 0.080 | Orgmat | 1 | 0.3940 | 16.985 | 0.031 |
| P | 1 | 0.26299 | 33.052 | 0.001 | P | 1 | 0.5920 | 25.520 | 0.003 |
| K | 1 | 0.08305 | 10.437 | 0.348 | K | 1 | 0.3062 | 13.199 | 0.156 |
| Ca | 1 | 0.13054 | 16.406 | 0.073 | Ca | 1 | 0.3471 | 14.964 | 0.071 |
| Mg | 1 | 0.25207 | 31.679 | 0.004 | Mg | 1 | 0.6144 | 26.484 | 0.001 |
| Sand | 1 | 0.18182 | 22.851 | 0.012 | Sand | 1 | 0.4815 | 20.757 | 0.009 |
| Silt | 1 | 0.14657 | 18.421 | 0.055 | Silt | 1 | 0.3952 | 17.035 | 0.037 |
| Clay | 1 | 0.21721 | 27.298 | 0.009 | Clay | 1 | 0.4855 | 20.929 | 0.009 |
| Temperature seasonality | 1 | 0.41254 | 51.846 | 0.001 | Temperature seasonality | 1 | 0.9956 | 42.918 | 0.001 |
| Annual precipitation | 1 | 0.23001 | 28.906 | 0.006 | Annual precipitation | 1 | 0.5615 | 24.207 | 0.003 |
| Precipitation driest month | 1 | 0.12631 | 15.874 | 0.091 | Precipitation driest month | 1 | 0.3417 | 14.730 | 0.070 |
| Precipitation coldest quarter | 1 | 0.10231 | 12.858 | 0.184 | Precipitation coldest quarter | 1 | 0.2940 | 12.674 | 0.163 |
| Precipitation seasonality | 1 | 0.10714 | 13.465 | 0.160 | Precipitation seasonality | 1 | 0.3292 | 14.191 | 0.100 |
| Precipitation wettest quarter | 1 | 0.08640 | 10.858 | 0.314 | Precipitation wettest quarter | 1 | 0.2477 | 10.676 | 0.301 |
| Precipitation warmest quarter | 1 | 0.09565 | 12.021 | 0.255 | Precipitation warmest quarter | 1 | 0.2821 | 12.161 | 0.178 |