状态

Chl.a (ug/L)

TP (ug/L)

TN (mg/L)

COD_Mn (mg/L)

BOD₅ (mg/L)

NH₃-N (mg/L)

BIO生物量(10⁴个/L)

x_ik

s_ik

x_ik

s_ik

x_ik

s_ik

x_ik

s_ik

x_ik

s_ik

x_ik

s_ik

x_ik

s_ik

极贫

0.40

1

1.0

1

0.02

1

0.12

1

0.1

1

0.01

1

2.0

1

贫

1.60

4

4.6

4.6

0.08

4

0.48

4

1.2

12

0.055

5.5

20

10

中

10

25

23.0

23

0.31

15.5

1.80

15

2.8

28

0.20

20

60

30

富

64

160

110

110

1.20

60

7.10

59.17

6.6

66

0.65

65

200

100

重富

160

400

250

250

2.30

115

14

116.7

12.0

120

1.50

150

500

250

极富

1000

2500

1250

1250

9.10

455

54

450

30.0

300

5.00

500

1000

500