Ecological Archives M082-007-A15
Thomas W. Baribault, Richard K. Kobe, and Andrew O. Finley. 2012. Tropical tree growth is correlated with soil phosphorus, potassium, and calcium, though not for legumes. Ecological Monographs 82:189–203. http://dx.doi.org/10.1890/11-1013.1
Appendix O. Soil resource correlations and sample sizes by functional group.
Table O1. Correlations (Pearson’s R) between site-mean inorganic N and other resources for all species and for the three single species — S. exorrhiza, I. deltoidea, and P. decurrens — for which growth was negatively related to soil N.
| Species | N type | Ca | K | Mg | P |
| All species | NH4 | -0.430 | -0.625 | -0.151 | -0.744 |
| All species | NO3 | -0.619 | -0.936 | 0.115 | -0.762 |
| S. exorrhiza | NH4 | -0.487 | -0.576 | -0.141 | -0.854 |
| S. exorrhiza | NO3 | -0.628 | -0.899 | 0.037 | -0.880 |
| I. deltoidea | NO3 | -0.710 | -0.934 | -0.193 | -0.723 |
| P. decurrens | NO3 | -0.438 | -0.807 | -0.115 | -0.589 |
Table O2. Sample sizes by site for each functional group.
| Site | Fabaceae | Arecaceae | Other | Unknown | |||
| Canopy | Smaller | Subcanopy | Smaller | Canopy | Smaller | ||
| 1 | 87 | 39 | 172 | 16 | 160 | 390 | 3 |
| 2 | 73 | 43 | 171 | 24 | 143 | 394 | 5 |
| 3 | 89 | 37 | 219 | 27 | 195 | 433 | 5 |
| 4 | 116 | 10 | 146 | 1 | 123 | 415 | 0 |
| 5 | 81 | 23 | 181 | 51 | 106 | 207 | 3 |