Research Article

Bioaccumulation of Heavy Metals in Water, Sediments, and Tissues and Their Histopathological Effects on Anodonta cygnea (Linea, 1876) in Kabul River, Khyber Pakhtunkhwa, Pakistan

Table 4

Mean concentration of metals (mg/Kg) in sediments from Michini Bridge below Warsak Dam (reference site/site 1), Sardaryab, Amangarh, and Pir Sabaq (polluted sites 2, 3, and 4) of River Kabul receiving industrial effluents and city sewages.

Metals (mg/kg)Site 1Site 2Site 3Site 4

Cd4.4 ± 2.6
Cr75.5 ± 24.885.4 ± 15.492.0 ± 10.292.5 ± 12.8
Cu10.9 ± 2.914.2 ± 6.914.1 ± 6.515.3 ± 8.8
Fe270.0 ± 97.9
Ni69.1 ± 18.868.5 ± 13.3
Pb32.8 ± 18.2
Mn73.2 ± 24.878.3 ± 20.480.26 ± 8.1
Zn85.9 ± 10.581.3 ± 16.8

Data is shown as Mean ± SD. Difference is significant relative to site 1 at and .