| 钟艳梅，郑清梅，韩春艳，温茹淑，张红利.粤东北地区淡水经济鱼类重金属
含量的测定与评价[J].广东农业科学,2014,41(12):100-104 |
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粤东北地区淡水经济鱼类重金属
含量的测定与评价 |
| Determination and evaluation of heavy metal concentrationsin freshwatereconomic fishes from the northeastarea of Guangdong province |
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| DOI： |
| 中文关键词: 经济鱼类 重金属 肌肉 肝胰脏 评价 |
| 英文关键词: economic fishes heavy metal muscle hepatopancreas evaluation |
| 基金项目:广东省自然科学基金项目(S2013010013693）；广
东省高等学校优秀青年教师培养计划项目(Yq2013152） |
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| 摘要点击次数: 1908 |
| 全文下载次数: 706 |
| 中文摘要: |
| 采用电感耦合等离子体原子放射光谱法(ICP-AES）测定了粤东北地区9 种鱼类6 种重金属的质量分
数。结果表明院该9 种鱼类肝胰脏中重金属质量分数的平均值由高至低为Zn>Cu>Pb>Cr>Mn>Cd，而肌肉为Zn>Cr>
Pb>Mn>Cu>Cd，且鱼肝胰脏的重金属质量分数平均值均高于其相应的肌肉。单因子污染指数分析结果表明，该9 种
鱼均受到Pb、Cd、Cr、Cu 和Zn 不同程度的污染，其总体污染水平由高至低为Pb>Cd>Cr>Cu >Zn，且大多数鱼类肝胰
脏中Pb、Cd 质量分数超标。同时，鱼体内的重金属质量分数没有随营养等级升高而升高。综上所述，粤东北地区9 种
淡水经济鱼类分别受到Pb、Cd、Cr、Cu 和Zn 的不同程度的污染，表明该地区水域生态环境或渔业安全生产已存在重
金属污染的安全隐患。 |
| 英文摘要: |
| Concentrations of lead (Pb), cadmium (Cd), chromium (Cr), copper (Cu), zinc (Zn) and manganese (Mn) were
measured in various organs (such as hepatopancreas and muscle) from 9 species of freshwater economic fishes which were
collected from northeast area of Guangdong province. The concentration of metals was measured by inductively coupled
plasma atomic emission spectrometry (ICP-AES). Results showed that the levels of metals in hepatopancreas of the fishes
were had the order of Zn >Pb >Cu >Hg >Cd, while in muscles were Zn >Cr >Pb >Mn >Cu >Cd. In general, the metals
concentrations were significantly higher in hepatopancreas samples than those in muscle samples. The result of pollution
index of single factor shoued that, the fishes, to one degree or another, were polluted by Pb, Cd, Cr, Cu and Zn, and
pollution levels were mostly followed by Pb>Cd>Cr>Cu>Zn. The indexes of Pb and Cd tested in hepatopancreas of the
fishes were in a majority exceeded the national safety criteria for food in China. What爷s more, the contents of the heavy
metals in fishes did not vary with the trophic level. In summary, the fishes were polluted by Pb, Cd, Cr, Cu and Zn to some
extent, which indicated that hidden danger of heavy metals pollution was present in ecological environment or fishery
production in the area. |
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