Table 3 Average trace metals contents (mg/kg) in sediment from Akaki River catchment and Aba Samuel reservoir compared with aquatic environments from Ethiopia and other parts of the world
Location | Cd | Cr | Cu | Fe | Pb | Mn | Ni | Zn | References |
|---|---|---|---|---|---|---|---|---|---|
Aba Samuel reservoir, Ethiopiaa | 2.6 | 25 | 4.5 | 469.3 | 136.8 | 464 | 20.6 | 10 | This study |
GAR, Ethiopiaa | 2.6 | 24.5 | 4.2 | 612.7 | 137.7 | 701.4 | 19.8 | 21.8 | This study |
LAR, Ethiopiaa | 2.6 | 28.9 | 6.4 | 508.3 | 183.9 | 787.4 | 21 | 23.9 | This study |
LAR, Ethiopia | 0.2 | 262.1 | 32.0 | 30,475.2 | 45.4 | 1089.1 | 31.2 | 108.6 | Aschale et al. (2016) |
Lake Awassa, Ethiopia | 0.2 | 8.3 | 8.7 | – | 15.7 | – | 20.2 | 93.8 | Yohannes et al. (2013) |
Lake Ziway, Ethiopia | – | 32.8 | 31.1 | – | 39.9 | – | 14.2 | 30.3 | Mekonnen et al. (2015) |
Awash River Basin, Ethiopia | 2.6 | 120.6 | 79.4 | – | 13.5 | – | 89.5 | 382.7 | Dirbaba et al. (2018) |
Lake Victoria, Tanzania | 2.5 | 11.0 | 21.6 | – | 29.6 | – | – | 36.4 | Kishe and Machiwa (2003) |
Buriganga River, Bangladesh | 1.5 | 173.4 | 344.2 | – | 31.4 | – | 153.3 | 481.8 | Mohiuddin et al. (2015) |
Tembi River, Iran | 14.5 | 42 | 51.5 | 232 | 182 | 409 | 87.8 | 35.0 | Shanbehzadeh et al. (2014) |
Lijiang River, China | 1.72 | 56.4 | 38.1 | – | 51.5 | – | – | 142.2 | Xu et al. (2016) |
Ergene River, Turkey | – | 160.0 | 65.0 | 26,935 | 99.0 | 356.0 | 64.0 | 177.0 | Halli et al. (2014) |