Table 1.
Environmental variables of Yantai and Rizhao seawater samples.
| Environmental Variables | YSW | RSW | p-Value |
|---|---|---|---|
| DO (ppm) | 15.86 ± 0.161 | 16.39 ± 0.44 | 0.123 |
| Temperature (°C) | 6.8 ± 0.205 | 5.9 ± 0.200 | 0.005 * |
| Salinity (%) | 3.28 ± 0.097 | 3.33 ± 0.118 | 0.684 |
| pH | 6.90 ± 0.200 | 7.09 ± 0.262 | 0.639 |
| NH4 (μmol/L) | 2.527 ± 0.260 | 0.85 ± 0.429 | 0.004 * |
| Si (μmol/L) | 5.39 ± 0.263 | 6.30 ± 0.921 | 0.175 |
| NO3 (μmol/L) | 4.70 ± 0.806 | 11.301 ± 0.901 | 0.001 * |
| NO2 (μmol/L) | 0.751 ± 0.032 | 0.836 ± 0.069 | 0.130 |
| Phosphate (μmol/L) | 0.177 ± 0.015 | 0.178 ± 0.009 | 0.911 |
* Data are represented as the mean ± standard deviation. Bold p-values indicate a significant difference between the two regions. Means compared using unpaired t-testing and significance is determined as p < 0.05.