Table 2.
Alpha-diversity.
| Sample | Observed | Shannon | Chao1 | |
|---|---|---|---|---|
| Hydrocarbon-contaminated sites | OG | 113 | 1.9 | 239 |
| OY | 270 | 3.2 | 481 | |
| ODC | 237 | 3.2 | 442 | |
| Non-hydrocarbon-contaminated sites | KG | 201 | 3.0 | 297 |
| KY | 141 | 2.6 | 279 | |
| KDC | 123 | 2.7 | 172 |
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