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Chemical conditions (temperature, O2, and N nutrient concentrations) at Pontelagoscuro site during the four seasonal campaigns. Standard deviations are reported (±)
| Seasons | Sampling day | Temperature (°C) | O2 (mg L−1) | NO3− (μM) | NO2− (μM) | NH4+ (μM) |
|---|---|---|---|---|---|---|
| Winter | 15th February | 8 | 11.7 | 201 ± 0.5 | 2 ± 0.1 | 4 ± 1 |
| Spring | 3rd May | 20 | 10.9 | 126 ± 6 | 1 ± 0.1 | 5 ± 1 |
| Summer | 19th July | 29 | 8.3 | 40 ± 3 | 1 ± 0.3 | 4 ± 1 |
| Autumn | 14th November | 14 | 10.2 | 190 ± 4 | 2 ± 0.5 | < 0.5 |
