贵州典型重金属高背景区耕地土壤重金属生态风险评价

王惠艳, 彭敏, 马宏宏, 张富贵

Ecological risk assessment of cultivated land in typical areas with high heavy metal background values in Guizhou Province

WANG Hui-Yan, PENG Min, MA Hong-Hong, ZHANG Fu-Gui

表7 土壤重金属元素之间的相关性

Table 7 Correlation of heavy metals in soil

指标 As Cd Cu Pb Zn Al Corg As 1 Cd 0.420** 1 Cu -0.590** -0.148 1 Pb 0.674** 0.563** -0.344** 1 Zn 0.388** 0.834** -0.002 0.655** 1 Al -0.532** -0.360** 0.557** -0.394** -0.199* 1 Corg 0.445** 0.474** -0.347** 0.526** 0.434** -0.406** 1