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Table 3 Average concentration of heavy metals (mg/kg) in Little Akaki River sediment and other rivers

From: Little Akaki River sediment enrichment with heavy metals, pollution load and potential ecological risks in downstream, Central Ethiopia

Country Concentrations of heavy metals in Sediment References
Zn Cr Cd Pb
LAR sediment, Ethiopia 148.28 109.51 3.14 129.68 Present study
Awash River sediment, Ethiopia 382.73 120.58 2.60 13.53 Bekele et al. (2018)
Pearl River sediment, China 143.10 78.37 0.46 49.66 Zhao et al. (2017)
Wen-Rui Tang River sediment, China 1362 193 17.7 115 Xia et al. (2018)
Tigris River sediment, Iraq 502.30 101.2 0.8 79.80 Saha and Hossain ( 2010)
Euphrates River sediment, Iraq 48 58.4 1.87 22.56 Salah et al. (2012)
Tigris River Sediment, Baghdad 128.73 164.94 7.38 71.52 Al Obaidy et al. (2014)
Subarnarekha River sediment, India 50.13 1.30 16.14 Manoj and Padhy ( 2014)
Mangonbangon River sediment, Philippines 213.71 89.45 Decena et al. (2018)
Burigangan River Sediment, Bangladesh 502.26 101.2 0.82 79.4 Saha and Hossian (2011)