Table 2.
Spring | Summer | Fall | Winter | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean ± SD | Median | Min. − Max. | Mean ± SD | Median | Min. − Max. | Mean ± SD | Median | Min. − Max. | Mean ± SD | Median | Min. − Max. | |
Temperature (°C) | 27.4 ± 0.5 | 28.1 | 27.2 − 29.7 | 29.3 ± 0.8 | 29.6 | 28.0 − 30.2 | 22.4 ± 2.8 | 21.2 | 17.9 − 26.9 | 16.9 ± 1.1 | 16.9 | 14.4 − 18.9 |
DO (mg L−1) | 4.3 ± 0.7 | 4.2 | 3.4 − 6.7 | 5.6 ± 0.3 | 5.6 | 4.7 − 6.1 | 5.8 ± 1.7 | 5.6 | 2.5 − 8 | 5.5 ± 1.6 | 5.8 | 1.7 − 8.1 |
N-NO2 − (μM) | 0.218 ± 0.47 | 0.131 | 0 − 3.87 | 1.798 ± 1.63 | 1.277 | 0.35 − 9.11 | 0.511 ± 0.38 | 0.378 | 0.03 − 1.46 | 0.661 ± 0.37 | 0.521 | 0.01 − 1.32 |
N-NO3 (μM) | 0.145 ± 0.17 | 0.074 | 0.01 − 0.96 | 0.09 ± 0.08 | 0.064 | 0.02 − 0.46 | 0.359 ± 0.25 | 0.377 | 0.03 − 0.82 | 0.517 ± 0.23 | 0.456 | 0.06 − 0.94 |
N-NH4 (μM) | 5.82 ± 6.83 | 19.79 | 0.23 − 19.31 | 1.733 ± 2.6 | 0.806 | 0.05 − 16.22 | 4.371 ± 6.13 | 1.197 | 0.01 − 19.09 | 1.609 ± 1.21 | 1.238 | 0.09 − 3.99 |
PO4 (μM) | 4.291 ± 6.38 | 1.231 | 0.34 − 21.98 | 1.495 ± 0.55 | 1.26 | 1.07 − 5.1 | 2.439 ± 3.4 | 13.54 | 0.32 − 16.42 | 5.014 ± 3.03 | 2.184 | 1.38 − 21.98 |
Chl a (mg m−3) | 0.9 ± 1.8 | 0.4 | 0 − 13.7 | 5.7 ± 0.7 | 5.6 | 3.4 − 6.7 | 2.5 ± 5.6 | 0.8 | 0 − 37.2 | 2.2 ± 2.9 | 1 | 0 − 16.9 |