Distribution and risk assessment of some heavy metals in surface water, sediment and grey mullet (Mugil cephalus) from contaminated creek in Woji, southern Nigeria

被引：30
作者：
Ihunwo, Owhonda Chikeru [1 ]
Dibofori-Orji, Amalo Ndu [2 ]
Olowu, Clifford [2 ]
Ibezim-Ezeani, Millicent Uzoamaka [1 ,3 ]
机构：
[1] Univ Port Harcourt, Sch Sci Lab Technol, Dept Biochem & Chem Technol, Niger Delta Aqua Res Grp, PMB 5323, Choba, Rivers State, Nigeria
[2] Ignatius Ajuru Univ Educ, Fac Nat & Appl Sci, Dept Chem, Port Harcourt, Nigeria
[3] Univ Port Harcourt, Dept Pure & Ind Chem, PMB 5323, Choba, Rivers State, Nigeria
来源：
MARINE POLLUTION BULLETIN | 2020年 / 154卷
关键词：
Heavy metals; Niger Delta; Hazard index; Water; Grey mullet; Southern; Nigeria; HEALTH-RISK; FISH; BIOACCUMULATION; COPPER; COASTS;
D O I：
10.1016/j.marpolbul.2020.111042
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The human health risk assessment associated with accumulation of nickel (Ni), cadmium (Cd), chromium (Cr), lead (Pb) and copper (Cu) in the tissues (gills, livers and muscles) of grey mullet (Mugil cephalus) collected from the creek in the Niger Delta region of Nigeria was investigated. Surface water, sediment and fish samples were collected and analysed from June to September 2019; estimated daily intake (EDI), target hazard quotient (THQ) and hazard index (HI) were determined. The mean concentration (mg/kg ww) of the tested metals followed the sequence: Cu (33.48 +/- 15.54) > Cd (24.62 +/- 12.11) > Pb (10.59 +/- 9.12) > Cr (0.43 +/- 0.66); while Ni was not detected in the sampled tissues. The HI for male and female (adults) are 7.612 and 7.840 respectively, while male and female (children) are 9.567 and 10.842 respectively.
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页数：7
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