Parameters

Low region

Middle region

High region

Temperature (℃)

23.72a

23.44ab

23.12b

Salinity (‰)

32.53

32.61

32.70

Transparency (cm)

287.87a

171.47b

144.48b

pH

8.05

8.06

8.08

Dissolved Oxygen (mg/L)

8.14

8.04

8.07

Chla (μg/L)

1.87a

1.12b

0.97b

NH 4 + -N (μM)

2.18

2.22

2.00

NO 3 -N (μM)

11.90

12.10

10.90

NO 2 -N (μM)

1.41

1.58

1.82

TN (μM)

15.50

15.91

14.73

PO 4 3 -P (μM)

0.29

0.25

0.31

N/P

134.96

137.85

95.94

BA (cells/mL)

10390.77a

6043.19b

6362.04b

VA (cells/mL)

1154.78a

322.00b

192.61b

V/B

0.11a

0.06b

0.04b