Table 2.
CH4 oxidation rates in Amazonian Dark Earth and their adjacent soils under secondary forest and manioc cultivation.
| Soil type and site | Land use | CH4 oxidation ratea [pmol of CH4 (g dw)--1 h--1] |
| Amazonian Dark Earth | ||
| Barro Branco | Secondary forest | 33.5 ± 1.6 |
| Caldeirão | Secondary forest | 48.1 ± 4.5 |
| Barro Branco | Manioc plantation | 50.0 ± 1.4 |
| Caldeirão | Manioc plantation | 6.0 ± 1.1 |
| Adjacent soil | ||
| Barro Branco | Secondary forest | 31.0 ± 1.9 |
| Caldeirão | Secondary forest | 21.0 ± 1.7 |
| Barro Branco | Manioc plantation | 8.0 ± 1.9 |
| Caldeirão | Manioc plantation | 6.1 ± 2.2 |
aErrors are standard deviation (n = 3).