鄱阳湖三江流域沉积物重金属污染现状评价.pdfVIP

第 25卷 第 6期 江 西 科 学 Vo.l 25 N o. 6 2007年 12月 JIANGX I SCIENCE Dec. 2007 : 1001- 3679( 2007) 06- 078 - 05 1, 2 1 1, 3 1 1 弓晓峰 , 唐志平, 尹 丽 , 武和胜 , 陈 瑶 ( 1. , 330031; 2. , 3300 7; 3. , 3 3009) : 在乐安江昌江饶河三江河段布设采样点, 采取河流表层沉积物进行重金属 染现状分析及潜在生态 风险性评价结果表明三江流域都不同程度受 CuZnPbCd 的 染从总体 染程度分析, 各 染物的 染程度大小排列次序为: Cu Zn Pb Cd各采样点 染程度排序为:蔡家湾 2 号点 鄱阳镇 赵家湾 饶 河口 昌江 蔡家湾 1号点 尧山刘家从各采样点潜在生态 染程度分析, 各 染物对鄱阳湖生态风险构 成危害的影响程度排列次序为: Zn Pb Cd Cu : 重金属 染; 河流; 沉积物; 评价 : X52 : A Assessm ent on HeavyM etals Pollution in the Sedim ent of the Three R ivers of Poyang Lake 1, 2 1 1, 3 1 1 GONG X iaofeng , TANG Zh iping , Y IN L i , WU H esheng, CHEN Yao ( 1. School of Environm ental Science and Engineering of Nanchang Univers ity, JiangxiNanchang 330031 PRC; 2. Key Laboratory of Poyang Lake Ecology and B ioresou rce Utilization ofMOE, N anchang University, Jiangxi Nanchang 3300 7 PRC; 3. College of Life Science, Jinggangshan Un iversity, Jiangx i Ji an 3 3009 PRC) Abstract: A t the junction of LeAn river, Chang river and Rao river, the surface sedmi entsw ere col lected to be analysed the present situation of heavy metals pollution in these rivers and evaluate the potential ecological risk. The results show ed that Sanjiang basin are suffering different degrees pollu tion of Cu, Zn, Pb and Cd. From the total pollution degree analyse, the order of the pollution degree for each pollutant is: Cu Zn Pb Cd and for each sampling point is: Cai jiaw a