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Microcosm enrichment
| Microcosm enrichment | Concn (no. of copies g of soil−1) of:
|
|
|---|---|---|
| phnAc | nahAc | |
| Preincubationa | NDb | ND |
| Control incubation | 2.0 × 108 | ND |
| Naphthalene | 1.8 × 109 | ND |
| Phenanthrene | 5.5 × 108 | ND |
| Fluoranthene | 4.9 × 108 | ND |
Soil sample obtained before microcosms were established.
ND, not detected (<2 × 106 copies per g [dry weight] of soil).
