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Turkish Journal of Fisheries and Aquatic Sciences 2019, Vol 19, Num, 10     (Pages: 857-864)

Uptake and Accumulation of Heavy Metals in Water and Planktonic Biomass of the River Ravi, Pakistan

Abdul Rauf 1 ,Muhammad Javed 2 ,Ghazala Jabeen 3

1 Department of Zoology, Government College for boys, Malakwal
2 University of Agriculture, Department of Zoology and Fisheries, Faisalabad
3 Lahore College for Women University, Department of Zoology, Lahore
DOI : 10.4194/1303-2712-v19_10_05 Viewed : 555 - Downloaded : 461 The role of different taxa of plankton as biological sign of heavy metal pollution in the river Ravi from Lahore Siphon to BalokiHeadworks has been studied. Levels of heavy metals investigated were higher than the permissible standards suggested for drinking water by EPA of USA and Pakistan. Aquatic biota exhibited higher tendency to amass metals in their bodies. The phytoplankton taxa showed direct relationship with the concentrations and amount of metals in river water as these taxa disappeared in extremely polluted sampling sites. The zooplankton taxa were almost absent due to heavy metal pollution. Among 13 zooplanktonic groups investigated, Brachionus and Cyclops were dominating with higher abundance. Present study indicated a strong affinity of plankton for the metal accumulation from the water. Keywords : Aquatic ecosystem, Metal pollution, Sensitive, Tributaries, Phytoplankton, Zooplankton