310
Table 20.7
The physico-chemical characteristics of some of the wetlands in Assam
Sl.
No.
Name of
the wetland
Location
(district)
Position
(lat–long)
Water characteristics
Soil characteristics
T
= temperature (°C), Turb. = turbidity
(NTU), DO = dissolved oxygen (mg/l),
FCO
2 = free carbon dioxide (mg/l),
TA = total alkalinity (mg/l), SC = specifi c
conductivity (μmhos/cm), P = phosphate (mg/l), N = nitrate
(mg/l)
T
= temperature (°C), SC = specifi c conductivity
(μmhos/cm), CS = coarse sand, OC = organic
carbon (%), AP = available phosphorus
(kg/acre), AK = available potassium (kg/acre),
N = nitrogen (kg/acre), AN = ammoniacal nitrogen
(kg/acre), NR = not recorded
1.
Sone Beel
Karimganj N 24° 41′ 12.4″
T air 13.2–34.4, T water 13.1–33.9, Turb. 20.56–360.5, pH
6.43–7.9, DO 2.43–5.96, FCO
2 1.75–10, TA 25–76.01, SC
51.98–156.66, P 0.24–0.75, N 0.04–0.056
T 19.9–32.3, pH 5.09–5.99, SC 47.42–322.08,
OC 0.25–1.74 %, AP 0.15–1.93, AK 1.6–24.8
E 92° 27′ 12″
2.
Sat Beel
Cachar
District
N 24° 50′ 4.0″
T air 13.6–34.8, T water 13.1–34.3, Turb. 59.0, pH 5.82,
DO 6.0, FCO
2 3.0, TA 55.5, SC 46.0, P 0.35,
N 0.040
Yellowish brown (2.5Y, 6/4),CS69.1 %, pH6,
OC < 0.5 %, AP traces, N20.41, AN81.64,AK
113.4
E 92° 49′ 20.0″
3.
Malini Beel
Cachar
N 24° 49′ 30.1″
T air 13.2–34.5, T water 13.0–34.0, Turb. 276, pH 6.28,
DO 7.4, FCO
2 5.1, TA 65.0, SC 0.26 millimhos/cm, P
0.42, N 0.01
Light yellowish brown (2.5Y, 6/4), CS65.8 %, pH
6, OC <0.5 %, AP traces, N 1.81, AN5.89, AK
100
E 92° 46′ 27.8″
4.
Srikona Beel
Cachar
N 24° 50′ 19.3″
T air 13.1–34.2 T water 12.9–33.9, Turb. 86, pH 6.04, DO
7.3, FCO
2
Pale yellow (2.5Y, 7/4), CS 59.6 %, pH 6.0, OC
<0.5 %, AP traces, N <1.81, AN 5.89, AK 100
E 92° 43′ 11.6″
3, TA 32 SC 48, P 0.26, N 0.25
5.
Tapang Beel
Cachar
N 24° 49′ 1.9″
T air 14.1–34.3, T water 14.0–34.1, Turb. 228, pH 6.1,
DO 6.5, FCO
2 4.0, TA 66.0, SC 147.0, P 0.24, N 0.04
Light yellowish brown (2.5Y, 6/4), CS 32.75 %,
pH 7, OC <0.5 %, AP traces, N 20.41, AN5.89,
AK113.4
E 92° 41′ 52.7″
6.
Dubria Beel
Cachar
N 24° 49′ 9.9″
T air 13.1–34.9, T water 12.9–33.9, Turb. 79, pH 6.1, DO
6.3, FCO
2 4.9 l, TA 34, SC 158, P 0.29, N 0. 36
NR
E 92° 41′ 7.7″
7.
Auti-Bouti Beel Cachar
N 24° 53′ 49″
T air 13.1–34.9, T water 13–34.3, Turb. 408, pH 6.44, DO
3.35, FCO
2 4.5, TA 26, SC 80, P 2.4, N 0.108
Olive (5Y, 5/4), CS55.5 %, pH 6, OC <0.5 %, AP
traces, N 8.16, AN65 lbs/acre, AK 158.76
E 92° 33′ 3.2″
8.
Dholi Beel
Cachar
N 24° 56′ 6.01″
T air 13.2–34.5, T water 13.0–34.2, Turb. 246, pH 6.09,
DO 2.45, FCO
2 5.5, TA 28, SC 50, P 0.15, N 0.06
Olive (5Y, 5/3), CS64.5 %, pH 6, OC <0.5 %, AP
traces, N <45lbs/acre, AN <13 lbs/acre, AK 113.4
E 92° 30′ 23.25″
9.
Lora Beel
Cachar
N 24° 55′ 1.0″
T air 13.3–34.8, T water 13.1–34.1, Turb. 90, pH 5.73,
DO 4.2, FCO
2 4.5, TA 45, SC 68, P 0.3135, N 0.084
NR
E 92° 30′ 37.8″
10.
Narapati Beel
Cachar
N 24° 55′ 39.9″
T air 13.5–34.5, T water 13.2–34.2, Turb. 33, pH 6.02,
DO 2.0, FCO
2 4.2, TA 92, SC 0.22 millimhos/cm, P
0.594, N 0.06
NR
E 92° 30′ 37.1″
20 Wetlands of India
Table 20.7
The physico-chemical characteristics of some of the wetlands in Assam
Sl.
No.
Name of
the wetland
Location
(district)
Position
(lat–long)
Water characteristics
Soil characteristics
T
= temperature (°C), Turb. = turbidity
(NTU), DO = dissolved oxygen (mg/l),
FCO
2 = free carbon dioxide (mg/l),
TA = total alkalinity (mg/l), SC = specifi c
conductivity (μmhos/cm), P = phosphate (mg/l), N = nitrate
(mg/l)
T
= temperature (°C), SC = specifi c conductivity
(μmhos/cm), CS = coarse sand, OC = organic
carbon (%), AP = available phosphorus
(kg/acre), AK = available potassium (kg/acre),
N = nitrogen (kg/acre), AN = ammoniacal nitrogen
(kg/acre), NR = not recorded
1.
Sone Beel
Karimganj N 24° 41′ 12.4″
T air 13.2–34.4, T water 13.1–33.9, Turb. 20.56–360.5, pH
6.43–7.9, DO 2.43–5.96, FCO
2 1.75–10, TA 25–76.01, SC
51.98–156.66, P 0.24–0.75, N 0.04–0.056
T 19.9–32.3, pH 5.09–5.99, SC 47.42–322.08,
OC 0.25–1.74 %, AP 0.15–1.93, AK 1.6–24.8
E 92° 27′ 12″
2.
Sat Beel
Cachar
District
N 24° 50′ 4.0″
T air 13.6–34.8, T water 13.1–34.3, Turb. 59.0, pH 5.82,
DO 6.0, FCO
2 3.0, TA 55.5, SC 46.0, P 0.35,
N 0.040
Yellowish brown (2.5Y, 6/4),CS69.1 %, pH6,
OC < 0.5 %, AP traces, N20.41, AN81.64,AK
113.4
E 92° 49′ 20.0″
3.
Malini Beel
Cachar
N 24° 49′ 30.1″
T air 13.2–34.5, T water 13.0–34.0, Turb. 276, pH 6.28,
DO 7.4, FCO
2 5.1, TA 65.0, SC 0.26 millimhos/cm, P
0.42, N 0.01
Light yellowish brown (2.5Y, 6/4), CS65.8 %, pH
6, OC <0.5 %, AP traces, N 1.81, AN5.89, AK
100
E 92° 46′ 27.8″
4.
Srikona Beel
Cachar
N 24° 50′ 19.3″
T air 13.1–34.2 T water 12.9–33.9, Turb. 86, pH 6.04, DO
7.3, FCO
2
Pale yellow (2.5Y, 7/4), CS 59.6 %, pH 6.0, OC
<0.5 %, AP traces, N <1.81, AN 5.89, AK 100
E 92° 43′ 11.6″
3, TA 32 SC 48, P 0.26, N 0.25
5.
Tapang Beel
Cachar
N 24° 49′ 1.9″
T air 14.1–34.3, T water 14.0–34.1, Turb. 228, pH 6.1,
DO 6.5, FCO
2 4.0, TA 66.0, SC 147.0, P 0.24, N 0.04
Light yellowish brown (2.5Y, 6/4), CS 32.75 %,
pH 7, OC <0.5 %, AP traces, N 20.41, AN5.89,
AK113.4
E 92° 41′ 52.7″
6.
Dubria Beel
Cachar
N 24° 49′ 9.9″
T air 13.1–34.9, T water 12.9–33.9, Turb. 79, pH 6.1, DO
6.3, FCO
2 4.9 l, TA 34, SC 158, P 0.29, N 0. 36
NR
E 92° 41′ 7.7″
7.
Auti-Bouti Beel Cachar
N 24° 53′ 49″
T air 13.1–34.9, T water 13–34.3, Turb. 408, pH 6.44, DO
3.35, FCO
2 4.5, TA 26, SC 80, P 2.4, N 0.108
Olive (5Y, 5/4), CS55.5 %, pH 6, OC <0.5 %, AP
traces, N 8.16, AN65 lbs/acre, AK 158.76
E 92° 33′ 3.2″
8.
Dholi Beel
Cachar
N 24° 56′ 6.01″
T air 13.2–34.5, T water 13.0–34.2, Turb. 246, pH 6.09,
DO 2.45, FCO
2 5.5, TA 28, SC 50, P 0.15, N 0.06
Olive (5Y, 5/3), CS64.5 %, pH 6, OC <0.5 %, AP
traces, N <45lbs/acre, AN <13 lbs/acre, AK 113.4
E 92° 30′ 23.25″
9.
Lora Beel
Cachar
N 24° 55′ 1.0″
T air 13.3–34.8, T water 13.1–34.1, Turb. 90, pH 5.73,
DO 4.2, FCO
2 4.5, TA 45, SC 68, P 0.3135, N 0.084
NR
E 92° 30′ 37.8″
10.
Narapati Beel
Cachar
N 24° 55′ 39.9″
T air 13.5–34.5, T water 13.2–34.2, Turb. 33, pH 6.02,
DO 2.0, FCO
2 4.2, TA 92, SC 0.22 millimhos/cm, P
0.594, N 0.06
NR
E 92° 30′ 37.1″
20 Wetlands of India