| impact of tannery effluents on the aquatic environment of the buriganga river in dhaka, bangladesh. | this study presents an overview of the existence and effects of six heavy metals, chromium (cr), lead (pb), cadmium (cd), mercury (hg), manganese (mn), and aluminum (al), in tannery effluents released to the buriganga river in dhaka, bangladesh. the pollutants were found in three different sources, such as effluents from tanneries, contaminated river water and three species of fish-climbing perch (anabas testudineus), spotted snakehead (channa punctata), and black tilapia (oreochromis mossambicu ... | 2016 | 25216801 |