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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

From: Distribution and ecological risk assessment of trace metals in surface sediments from Akaki River catchment and Aba Samuel reservoir, Central Ethiopia

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)
  1. aAverage of three sampling stations in the dry season was taken