Abstract Three trace metals Cu, Pb and Zn at the region of Shatt Al-Basra canal in south of
Hammer marsh, were determined monthly from Sep. 2003 to Feb. 2004 in water, surface
sediments and two emerged aquatic plants (Phragmites australis and Typha domingensis)
which were collected from four selected stations. Trace metal concentrations were high in
the surface sediment with a clear local variation. While their values in the water samples
were much lower than that found in the surface sediment, with clear local variations among …