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
图2 5种重金属元素地球化学分布
Fig.2 The geochemical maps of five heavy metals