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| 长江（万州段）沉积物中重金属污染生态风险评价 | |
| 引用本文： | 付川,潘杰,牟新利,傅扬武,陈书鸿,周纬生.长江（万州段）沉积物中重金属污染生态风险评价[J].长江流域资源与环境,2007,16(2):236-236. |
| 作者姓名： | 付川 潘杰 牟新利 傅扬武 陈书鸿 周纬生 |
| 作者单位： | 1. 重庆大学城市建设与环境工程学院,重庆,400046;重庆三峡学院化学与环境工程系,重庆,404000 2. 重庆三峡学院化学与环境工程系,重庆,404000 3. 日本立命馆大学国际环境系,日本,874-8577 |
| 基金项目： | 教育部春晖计划项目，重庆市教育委员会基金 |
| 摘 要： | 对长江万州段沉积物进行采集，用原子吸收光谱法测定了沉积物中的Pb、Cu、Cr、Cd、Zn等重金属的含量，用单因子指数法和Hakanson生态风险指数法评价了沉积物中重金属综合污染效应。结果表明：长江万州段主要的重金属污染因子为Cd，生态风险影响因子顺序为:Cd>Zn>Pb>Cu>Cr。潜在生态风险因子大小顺序为：Cd>Pb>Cu>Zn>Cr，潜在生态风险指数RI平均值为152.35 ，长江万州段大部分断面处于中等潜在生态风险。 |
| 关 键 词： | 沉积物 重金属 潜在生态风险 |
| 文章编号： | 1004-8227(2007)02-0236-04 |
| 收稿时间： | 2005-12-26 |
| 修稿时间： | 2005年12月26日 |
ECOLOGICAL RISK ASSESSMENT OF HEAVY METAL POLLUTION IN SEDIMENTS FROM THE WANZHOU SECTION OF THE YANGTZE RIVER |
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| FU Chuan,PAN Jie,MU Xin-li,FU Yang-wu,CHEN Shu-hong,ZHOU Wei-sheng.ECOLOGICAL RISK ASSESSMENT OF HEAVY METAL POLLUTION IN SEDIMENTS FROM THE WANZHOU SECTION OF THE YANGTZE RIVER[J].Resources and Environment in the Yangtza Basin,2007,16(2):236-236. | |
| Authors: | FU Chuan PAN Jie MU Xin-li FU Yang-wu CHEN Shu-hong ZHOU Wei-sheng |
| Abstract: | Through analyzing contents of typical pollutants,i.e.Pb,Cu,Cr,Cd and Zn in sediments from the Wanzhou section of the Yangtze River,the quality status of these sediments was evaluated with the index number techniques of single factor and Hakanson ecological risk.It is revealed that the main pollution factor is Cd.The sequence of ecological risk is Cd > Zn > Pb > Cu > Cr,and the potential ecological risk is Cd > Pb > Cu > Zn > Cr.The average of potential ecological risk is 152.35,and it is concluded that the Wanzhou section of the Yangtze River has middle potential ecological risk. |
| Keywords: | sediment heavy metal ecological risk assessment |
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