330
Table 19.15 Chemical aspects of Halaldai wetland
Parameters
Amount present (mg.l
−1 except p
H
)
Minimum
Maximum
Mean
Amplitude
p
H
5.2
5.9
5.5
0.7
Dissolved oxygen (DO)
6.8
7.5
7.1
0.7
Free carbon dioxide (FCO 2 )
8.2
12.5
10.3
4.3
Total alkalinity (TA)
24.0
28.0
26.0
4.0
Total hardness (TH)
14.0
18.0
16.0
4.0
Table 19.16 Chemical aspects of Korila wetland
Parameters
Amount present (mg.l
−1 except p
H
)
Minimum
Maximum
Mean
Amplitude
p
H
6.8
7.2
7.0
0.4
Dissolved oxygen (DO)
6.5
7.5
7.0
1.0
Free carbon dioxide (FCO 2 )
10.0
11.5
10.7
1.5
Total alkalinity (TA)
22.0
28.0
25.0
6.0
Total hardness (TH)
13.0
16.0
14.5
3.0
Table 19.17 Chemical aspects of Bara wetland
Parameters
Amount present (mg.l
−1 except p
H
)
Minimum
Maximum
Mean
Amplitude
p
H
6.4
7.8
7.1
1.4
Dissolved oxygen (DO)
6.2
6.8
6.5
0.4
Free carbon dioxide (FCO 2 )
8.0
11.0
9.5
3.0
Total alkalinity (TA)
28.0
32.0
30.0
4.0
Total hardness (TH)
18.0
21.0
19.5
3.0
Table 19.18 Chemical aspects of Sigmara wetland
Parameters
Amount present (mg.l
−1 except p
H
)
Minimum
Maximum
Mean
Amplitude
p
H
6.2
7.2
6.7
1.0
Dissolved oxygen (DO)
5.4
6.5
5.9
1.1
Free carbon dioxide (FCO 2 )
8.0
12.0
10.0
4.0
Total alkalinity (TA)
23.0
28.0
25.5
5.0
Total hardness (TH)
21.0
27.0
24.0
6.0
Table 19.14 Chemical aspects of Raumari wetland
Parameters
Amount present (mg.l
−1 except p
H
)
Minimum
Maximum
Mean
Amplitude
p
H
7.4
7.8
7.6
0.4
Dissolved oxygen (DO)
6.5
7.8
7.1
1.3
Free carbon dioxide (FCO 2 )
8.0
11.0
9.5
3.0
Total alkalinity (TA)
22.0
24.0
23.0
2.0
Total hardness (TH)
12.0
16.0
14.0
4.0
P. Sarma and K. Sarma