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Table I
Comparative characteristics of the test sites. Regions of provenance, T, P and Emberger’s pluviothermal index Q3 as in Table SI.
| Region of | ||||||
|---|---|---|---|---|---|---|
| Altitude | provenance | Soil type | T | P | Q3 | |
| Test sites | (m) | (Portugal) | (°C) | (mm) | ||
| Dystric Regosols | ||||||
| Escaroupim | 10 | – | (quartz sand deposits | 15.3 | 577.6 | 82.9 Subhumid |
| from fluvial origin) | ||||||
| Spodic Podzols (from sand | ||||||
| Leiria | 30 | IV | dunes of maritime origin) | 14.7 | 806.4 | 140.4 Humid |
| Malcata | 800 | – | Humic cambisoils on granite | 15.7 | 780.7 | 98.4 Subhumid |
| Montalegre | 1000 | II | Humic cambisoils on shale | 9.9 | 1487.0 | 220.8 Hyperhumid |
| Viseu | 600 | V | Dystric cambisoils | 13.4 | 1200.2 | 153.6 Humid |