A beel thicky infested with water hyacinth
A beel thicky infested with water hyacinth
A beel thicky infested with water hyacinth
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D~ssolved organic carbon content of all the baels wen relatively high, the values<br />
ranging between 0.8 and 5.0 mg/l. The concentration of calcium and magnesium<br />
exhib~ted wide variations; it was relatively more in the bcels of the Brahmaputra valley<br />
The values of Ca and Mg ranged from 2.0 to 34.5 and 1.2 to 20.6 mgil respectively<br />
Concentrations of iron, silicate and chloride in <strong>water</strong> varied <strong>with</strong>in 0.02 to 2.1, 0 8 to 9 4<br />
and IS to 44 mdl respectively. Variations in the concentrations of these nutrients are<br />
mainly due to thc variations in their uptake or release by macrophytes as also due to<br />
allochthonous inputs during monsoon months.<br />
Table 8 Phyrico-cbemical charwteri~tics of <strong>water</strong><br />
Temp Transp PH IX) C0: TA Hardness Sp Cond<br />
"C' (cm) mp'l mgtl mg!l mp:l prnhos crn<br />
m!w<br />
Ka~tanpur 20 B.V. 7.2 5.2 3.8 73 86 174<br />
Banska'ndi<br />
Algapur<br />
Ramnagar<br />
Hailakandi<br />
Barchumati<br />
Boiya<br />
Karlmaanj<br />
Sone<br />
Sakaity<br />
Howder<br />
Anganai<br />
Lllkhlmaur<br />
Bilmukh<br />
Morichamwra<br />
B.V.<br />
28<br />
B.V.<br />
B.V.<br />
DhemRii<br />
Holladunga 18 54 6.5 6.2 1.9 16 10 18<br />
Somrajan(S) 19 63 7.0 7.5 2.8 16 10 18<br />
Somraian(N) 17 B.V. 7.0 5.0 3.8 42 59 93<br />
~utukabah ' 18 B.V. 7.4 9.8 1.9 66 89 133<br />
Keshukhana 19 35 7.6 6.4 4.7 120 25 218<br />
Puasaikia 18 B.V. 6.7 7.0 5.7 18 30 139
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