| levels of total mercury in different fish species and sediments from the upper volta basin at yeji in ghana. | in this study, total mercury concentrations were determined in sediments and seven different fish species from the upper volta basin area of yeji in ghana. mercury concentrations found ranged from 44.17 to 85.88 ng/g wet weight for synodontis gambiesis, from 11.25 to 79.73 ng/g wet weight for synodontis membranaceus, from 13.11 to 38.64 ng/g wet weight for synodontis ocellifer, from 16.39 to 25.82 ng/g wet weight for distishodus rotratus, from 40.80 to 90.30 ng/g wet weight for bagrus docmac, fr ... | 2011 | 21318735 |