Table 2.
Differences in bacterial diversity between rhizosphere and bulk soil along a teak plantation chronosequence.
| Alpha Diversity | Soil | CK | 22-y | 35-y | 45-y | 55-y | Age |
|---|---|---|---|---|---|---|---|
| Sobs | R | 2057.00 ± 60.48 | 2037.00 ± 32.47 | 2087.00 ± 56.36 | 2063.00 ± 34.70 | 2241.33 ± 68.13 | ns |
| B | - | 2378.67 ± 19.03 | 2369.67 ± 95.57 | 2293.33 ± 50.52 | 2185.67 ± 168.03 | ns | |
| Shannon | R | 5.85 ± 0.05 | 6.02 ± 0.01 | 5.99 ± 0.06 | 5.96 ± 0.04 | 6.00 ± 0.09 | ns |
| B | - | 6.18 ± 0.04 | 5.93 ± 0.10 | 5.94 ± 0.10 | 5.87 ± 0.16 | ns | |
| Simpson | R | 0.02 ± 0.00 | 0.01 ± 0.00 | 0.01 ± 0.00 | 0.02 ± 0.00 | 0.02 ± 0.00 | ns |
| B | - | 0.01 ± 0.00 | 0.02 ± 0.00 | 0.02 ± 0.00 | 0.02 ± 0.00 | ns | |
| Chao 1 | R | 2562.04 ± 84.45 | 2561.24 ± 54.80 | 2582.40 ± 53.85 | 2595.71 ± 67.34 | 2791.59 ± 38.01 | ns |
| B | - | 3070.74 ± 49.04 | 3081.95 ± 94.98 | 3073.89 ± 25.80 | 2967.665 ± 172.92 | ns | |
| Coverage (%) | R | 98.25 | 97.98 | 98.36 | 98.13 | 98.06 | |
| B | 97.84 | 97.94 | 97.68 | 97.70 |
Values are presented as the mean (n = 3) ± stand error except the coverage is presented as the mean. ns indicate non-significant differences among different stand ages at p < 0.05 level.