Table 2 Depth distribution of charcoal in subtropical dry forest of Puerto Rico, USA, along the soil profile. Charcoal was sampled in December 2015 in the northeastern subtropical dry forest, and in December 2014 in the southeastern subtropical dry forest
From: Late Holocene fire history and charcoal decay in subtropical dry forests of Puerto Rico
Forest type | Soil depth (cm) | Charcoal mass (mg) | Charcoal particles (n) |
|---|---|---|---|
Northeastern subtropical dry forest | 0 to 20 | 149.8 | 24 |
20 to 40 | 27.4 | 7 | |
Southeastern subtropical dry forest | 0 to 20 | 1102.2 | 467 |
20 to 40 | 4451.3 | 1195 | |
40 to 60 | 41.3 | 14 | |
60 to 80 | 117.5 | 16 | |
80 to 100 | 137.7 | 33 | |
100 to 120 | 4.9 | 5 | |
120 to 140 | 8.3 | 4 |