| Transect | STP (0 - 10 cm)† | STP (10 - 20 cm) |
| (mg·kg−1) | ||
| 1 | 249 ab | 226 ab |
| 2 | 210 cd | 184 cde |
| 3 | 235 abc | 192 bcd |
| 4 | 259 a | 226 ab |
| 5 | 247 ab | 218 abc |
| 6 | 271 a | 158 e |
| 7 | 263 a | 231 a |
| 8 | 248 ab | 222 ab |
| 9 | 222 bc | 201 abc |
| 10 | 189 d | 167 de |