Table 3.
Abundance of bacterial and chromophytic algal cbbL genes in the different soils
| Soila | Abundanceb |
|||
|---|---|---|---|---|
| Bacteria (108 copies g−1 soil) |
Algae (106 copies g−1 soil) |
|||
| Light | Dark | Light | Dark | |
| P1 | 0.99 ± 0.02 B | 0.59 ± 0.02 | 0.62 ± 0.06 B | 0.37 ± 0.04 |
| P2 | 1.17 ± 0.03 A | 0.58 ± 0.03 | 1.39 ± 0.12 A | 0.22 ± 0.01 |
| P3 | 1.25 ± 0.02 A | 0.62 ± 0.02 | 1.40 ± 0.27 A | 0.56 ± 0.02 |
| U1 | 0.22 ± 0.03 C | 0.11 ± 0.02 | 1.08 ± 0.17 A | 0.69 ± 0.04 |
| U2 | 0.14 ± 0.01 D | 0.07 ± 0.01 | 0.01 ± 0.00 C | ND |
| U3 | 0.04 ± 0.01 E | 0.02 ± 0.00 | 0.01 ± 0.00 C | ND |
a
See Table 1 for soils.
b
Means followed by the same letter are not significantly different (P > 0.05) between different soil types. In all cases, the mean with light incubation was significantly (P < 0.05) larger than that with dark incubation for the same soil. ND, not detectable.