TABLE 3.
Pairwise comparisons of species compositions of rDNA libraries from triplicate unimproved and improved grassland soil samples
| Soil samples | Library | Similarity coefficienta
|
||||
|---|---|---|---|---|---|---|
| Libraries from unimproved grassland
|
Libraries from improved grassland
|
|||||
| SAF1 | SAF2 | SAF3 | SL1 | SL2 | ||
| Unimproved | SAF1 | |||||
| SAF2 | 0 | |||||
| SAF3 | 0.075 | 0.049 | ||||
| Improved | SL1 | 0.025 | 0.025 | 0 | ||
| SL2 | 0.132 | 0.026 | 0.125 | 0 | ||
| SL3 | 0.051 | 0.051 | 0.073 | 0.123 | 0.026 | |
The similarity coefficient (S) was determined as follows: S = 2 C/(A +B), where A and B are the numbers of OTUs in libraries A and B, respectively, and C is the number of shared OTUs.