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首页> 外文期刊>Current Journal of Applied Science and Technology >Heavy Metals Accumulation in Water, Sedimentsand Catfish (Clarias gariepinus) from Two FishingSettlements along River Kaduna in Niger State,Nigeria
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Heavy Metals Accumulation in Water, Sedimentsand Catfish (Clarias gariepinus) from Two FishingSettlements along River Kaduna in Niger State,Nigeria

机译：尼日利亚尼日尔州卡杜纳河沿线两个渔区的水，沉积物和Cat鱼（Clarias gariepinus）中的重金属积累

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摘要

Water, sediments and catfish ( Clarias gariepinus ) samples obtained from two fishing settlements along River Kaduna at Shiroro and Zungeru in Niger State, Nigeria were analyzed for some selected heavy metals (Cd, Cr, Cu, Fe, Mn, Ni, Pb and Zn) using Buck Scientific Model 210 VGP atomic absorption spectrophotometer. The data obtained were then, analysed using one-way analysis of variance (ANOVA) statistical analysis. All heavy metals analyzed were detected in all the samples except Pb, not detected in water and catfish samples and also, Cd was not detected in sediments sample. The highest heavy metal concentrations were found in the sediments compared to the water and catfish this is because sediments are known to be major depository of metals present in the system. Zungeru fishing settlement has higher concentration of the following metals: 0.72±0.84 mg/L Fe in the water; 1331.00±46.98 mg/kg Fe and 160.83±12.18 mg/kg Zn in the catfish; 7447.33±139.07 mg/kg Fe and 164.67±7.63 mg/kg Mn in the sediments than the values from Shiroro site. Shiroro fishing settlement has the highest concentration of Fe in water 5.86±0.11 mg/L, highest Fe in catfish 1482.83±99.50 mg/kg, highest in sediment 26629.50±487.97 mg/kg. The heavy metals in the water from Shiroro River follow the ranking: Fe > Cu > Cr > Zn > Mn > Cd > Ni; while the metals in the fish from Zungeru follow the order: Fe > Zn > Mn > Cr > Cu > Cd > Pb, Ni. Variable results were obtained from the two fishing settlements, but results obtained for some metals in different samples (water, catfish and sediments) were within maximum permissible limits for water, sediments and fish as recommended by WHO/USEPA, while other metals were higher than the recommended limits. Regular monitoring of these heavy metals in water, catfish and sediments on these fishing settlements is recommended.
机译：分析了尼日利亚尼日尔州Shiroro和Zungeru沿卡杜纳河沿两个捕鱼定居点的水，沉积物和cat鱼（Clarias gariepinus）样品中的某些选定重金属（Cd，Cr，Cu，Fe，Mn，Ni，Pb和Zn） ）使用Buck Scientific Model 210 VGP原子吸收分光光度计。然后使用单向方差分析（ANOVA）统计分析对获得的数据进行分析。除铅以外的所有样品中均检测到所有重金属，水和cat鱼样品中均未检测到，沉积物样品中也未检测到镉。与水和cat鱼相比，沉积物中的重金属含量最高，这是因为已知沉积物是系统中金属的主要沉积物。 Zungeru捕鱼定居点中以下金属的浓度较高：水中铁为0.72±0.84 mg / L。 the鱼中的铁1331.00±46.98 mg / kg和锌160.83±12.18 mg / kg;沉积物中铁的​​含量为7447.33±139.07 mg / kg，锰的含量为164.67±7.63 mg / kg Mn。 Shiroro捕鱼定居点水中的Fe含量最高，为5.86±0.11 mg / L，fish鱼中的Fe含量最高，为1482.83±99.50 mg / kg，沉积物的最高含量为26629.50±487.97 mg / kg。 Shiroro河水体中的重金属的排名依次为：Fe> Cu> Cr> Zn> Mn> Cd> Ni;而Zungeru鱼中的金属则按照以下顺序排列：Fe> Zn> Mn> Cr> Cu> Cd> Pb，Ni。从两个捕捞定居点获得的结果各不相同，但根据WHO / USEPA的建议，不同样品（水，cat鱼和沉积物中）中某些金属的结果均在水，沉积物和鱼类的最大允许限值之内，而其他金属的含量高于建议的限制。建议对这些捕鱼定居点的水，cat鱼和沉积物中的这些重金属进行定期监测。

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