Table 2.
Summary of environmental variables by depth category.
| Environmental Parameter (∗p < 0.05) | Shallow (≤50 m, μ + σ2) | Deep (>50 m, μ + σ2) |
|---|---|---|
| Temperature∗ | 20.239 (±5.097) | 7.240 (±1.362) |
| Dissolved oxygen (mg/L)∗ | 8.381 (±0.170) | 4.278 (±2.069) |
| Salinity (PSU)∗ | 11.245 (±0.055) | 11.327 (±0.042) |
| Nitrate (μmol/L)∗ | 0.152 (±0.053) | 6.441 (±4.138) |
| Nitrite (μmol/L) | 0.042 (±0.034) | 0.028 (±0.010) |
| Ammonia (μmol/L) | 0.024 (±0.010) | 0.021 (±0.003) |
| Total nitrogen (mg/L)∗ | 0.397 (±0.033) | 0.440 (±0.041) |
| Inorganic phosphate (μmol/L)∗ | 0.026 (±0.008) | 0.606 (±0.569) |
| Silicate (μmol/L)∗ | 2.081 (±1.626) | 36.450 (±23.317) |
| TOC (mg/L) | 7.169 (±0.784) | 6.820 (±0.463) |
Environmental variables for shallow (≤50 m) and deep (>50 m) waters were tested for statistically different means using a two-tailed t-test. Statistically significant environmental variables (P-value < 0.05) are indicated by ∗.