Variables |
August |
September |
October |
November |
December |
NO2 |
0.14 ± 0.1ab |
0.18 ± 0.1a |
0.08 ± 0.02b |
0.11 ± 0.03ab |
0.06 ± 0.02b |
NO3 |
0.60 ± 0.58b |
1.34 ± 0.95a |
0.18 ± 0.03b |
0.47 ± 0.32b |
0.33 ± 0.08b |
NH3 |
4.72 ± 3.50a |
4.78 ± 3.88a |
1.90 ± 0.69a |
5.00 ± 2.32a |
3.56 ± 0.92a |
PO4 |
0.50 ± 1.13a |
0.14 ± 0.06a |
0.12 ± 0.09a |
0.11 ± 0.07a |
0.11 ± 0.08a |
SiO2 |
10.15 ± 6.28a |
9.67 ± 1.94a |
9.36 ± 1.24a |
12.27 ± 8.18a |
7.16 ± 1.51a |
CaCO3 |
153.00 ± 67.59a |
88.50 ± 5.80b |
94.00 ± 6.52b |
108.50 ± 13.75b |
113.00 ± 10.37b |
SO4 |
160.30 ± 16.53b |
184.00 ± 3.16a |
185.00 ± 6.12a |
176.50 ± 3.37a |
177.00 ± 2.74a |
Chl a |
52.46 ± 20.79b |
23.03 ± 14.59cd |
136.83 ± 15.80a |
42.08 ± 21.67bc |
11.03 ± 3.82d |
Different letters show significant difference between columns (P<0.05).
a and b show significant differences between nutrient concentration in different months. |