| studies on the effect of pollution on lake manzala ecosystem in port-said, damietta and dakahlia governorates egypt. | this work studied how pollution impacts the ecosystem of lake manzala by determination of physicochemical parameters, studying biodiversity of aquatic plants and macroinvertebrates, and determining bioaccumulation of pb, cu, cd & zn in some major organisms, biomphalaria alexandrina and melanoides tuberculata snails and oreochromis niloticus fish. the more near to mediterranean sea and to the industrial area, port-said and damietta sites showed higher dissolved oxygen and conductivity than dakahl ... | 2015 | 26012230 |