Heavy-metal pollution and potential ecological risk assessment of sediments from Baihua Lake, Guizhou, PR China

被引：67

作者：

Huang, Xianfei ^{[1
]}

Hu, Jiwei ^{[1
]}

Li, Cunxiong ^{[1
]}

Deng, Jiajun ^{[1
]}

Long, Jian ^{[1
]}

Qin, Fanxin ^{[1
]}

机构：

[1] Guizhou Normal Univ, Guizhou Prov Key Lab Informat Syst Mountainous Ar, Guiyang 550001, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH | 2009年 / 19卷 / 06期

关键词：

exposure assessment; water pollutants; SOIL; FRACTIONATION; CONTAMINATION; ESTUARY; INDEX; RIVER;

D O I：

10.1080/09603120902795598

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Baihua Lake, a man-made reservoir, is one of the five drinking water sources for Guiyang City in China's southwestern province of Guizhou. In the present research, the distribution and accumulation characteristics of heavy metals (Pb, Cd, As, Cu and Zn) for the sediment of this lake were analyzed by examination of 10 recently collected samples. A method based on toxic-response factor was applied to assess the potential ecological risk of these heavy metals to the water body. For comparison, the two sets of reference data representing the pre-industrial and the local baseline pollution levels were employed to derive the accumulating coefficients for the heavy metals under study. The calculated potential ecological risk indices show that the lake was polluted by heavy metals and both cadmium and arsenic loadings were critical factors responsible for the ecological hazards posed to Baihua Lake by the five elements.

引用

页码：405 / 419

页数：15

共 37 条

[1] EFFECTS OF METALS ON A RANGE OF STREPTOMYCES SPECIES [J].