TABLE 1.
Ratio of AOB/AOA amoA gene abundance and physicochemical characteristics of the estuarine sites
| Site (mo) | AOB/AOA ratio | Salinity | Water content (%) | NH4+-Na (μM) | NO2−-N + NO3−-Na (μM) |
|---|---|---|---|---|---|
| Hythe (June) | 10.0 | 3.0 | 64.3 | 14.13 | 20.11 |
| Alresford (June) | 16.5 | 20.0 | 51.2 | 4.46 | 3.52 |
| Brightlingsea (June) | 121.0 | 33.5 | 70.0 | 2.10 | 0.94 |
| Hythe (August) | 15.0 | 3.0 | 66.6 | 6.69 | 6.56 |
| Alresford (August) | 6.9 | 20.0 | 53.2 | 6.31 | 2.99 |
| Brightlingsea (August) | 18.2 | 33.5 | 61.4 | 3.21 | 1.30 |
| Hythe (January) | 5.6 | 3.0 | 70.3 | 4.48 | 4.98 |
| Alresford (January) | 15.8 | 20.0 | 57.5 | 5.01 | 2.53 |
| Brightlingsea (January) | 1340.6 | 33.5 | 34.9 | 3.68 | 1.39 |
a
Sediment pore water was used to measure nutrient concentrations.