| 
      
        | Species | U(nat)mg.kg-1 | 226Ra(Bq.kg-1) |  
        |  | Location-1 |  
        | Algae | 0.023 | 31.4 |  
        | Polgonum barbatum | 0.002 | 0.12 |  
        | Nitella | < 7.0E-04 | 38 |  
        |  | Location -2 |  
        | Algae | 1.06 | 132.1 |  
        | Eichornia | 0.06 | 1.93 |  
        | Polgonum barbatum | < 7.0E-04 | <0.02 |  
        |  | Location-3 |  
        | Polgonum barbatum | < 7.0E-04 | <0.02 |  
        | Algae | 1.2 | 42.1 |  
        | Eichornia | 0.21 | 13.5 |  
        | Cynodon dectylon | 1.3E-03 | <0.02 |  
        |  | Location-4 |  
        | Eichornia | <7.0E-04 | 0.75 |  
        | algae | 0.07 | 2.32 |  
        | Polgonum barbatum | 1.5E-03 | <0.02 |  
        |  | Location-5 |  
        | Algae | 0.15 | 3.85 |  
        | Hydrilla | 0.18 | 4.5 |  |